// TODO
//
-// 1. support -ch option to set global /proc and /sys prefix
-// 2. disable RESET_OR_OVERFLOW check in charts
+// 1. disable RESET_OR_OVERFLOW check in charts
#ifdef HAVE_CONFIG_H
#include <config.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/wait.h>
+#include <sys/stat.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <dirent.h>
#include <arpa/inet.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
+
+#include "avl.h"
+
#include "common.h"
#include "log.h"
-#include "avl.h"
#include "procfile.h"
#define MAX_COMPARE_NAME 15
int update_every = 1;
unsigned long long file_counter = 0;
-#define PROC_BUFFER 4096
+char *host_prefix = "";
+char *config_dir = CONFIG_DIR;
+#ifdef NETDATA_INTERNAL_CHECKS
// ----------------------------------------------------------------------------
// memory debugger
+// do not use in production systems - it mis-aligns allocated memory
struct allocations {
size_t allocations;
void *mark_allocation(void *allocated_ptr, size_t size_without_overheads) {
uint32_t *real_ptr = (uint32_t *)allocated_ptr;
real_ptr[0] = MALLOC_MARK;
- real_ptr[1] = size_without_overheads;
+ real_ptr[1] = (uint32_t) size_without_overheads;
uint32_t *end_ptr = (uint32_t *)(allocated_ptr + MALLOC_PREFIX + size_without_overheads);
end_ptr[0] = MALLOC_MARK;
// fprintf(stderr, "MEMORY_POINTER: Allocated at %p, returning %p.\n", allocated_ptr, (void *)(allocated_ptr + MALLOC_PREFIX));
- return (void *)(allocated_ptr + MALLOC_PREFIX);
+ return allocated_ptr + MALLOC_PREFIX;
}
void *check_allocation(const char *file, int line, const char *function, void *marked_ptr, size_t *size_without_overheads_ptr) {
#endif
#define strdup(ptr) strdup_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
+#endif /* NETDATA_INTERNAL_CHECKS */
+
+
// ----------------------------------------------------------------------------
-// helper functions
+// system functions
+// to retrieve settings of the system
procfile *ff = NULL;
-long get_processors(void) {
+long get_system_cpus(void) {
int processors = 0;
- ff = procfile_reopen(ff, "/proc/stat", "", PROCFILE_FLAG_DEFAULT);
+ char filename[FILENAME_MAX + 1];
+ snprintf(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
+
+ ff = procfile_reopen(ff, filename, "", PROCFILE_FLAG_DEFAULT);
if(!ff) return 1;
ff = procfile_readall(ff);
return processors;
}
-long get_pid_max(void) {
+long get_system_pid_max(void) {
long mpid = 32768;
- ff = procfile_reopen(ff, "/proc/sys/kernel/pid_max", "", PROCFILE_FLAG_DEFAULT);
+ char filename[FILENAME_MAX + 1];
+ snprintf(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
+ ff = procfile_reopen(ff, filename, "", PROCFILE_FLAG_DEFAULT);
if(!ff) return mpid;
ff = procfile_readall(ff);
return mpid;
}
-unsigned long long get_hertz(void)
+unsigned long long get_system_hertz(void)
{
- unsigned long long hz = 1;
+ unsigned long long myhz = 1;
#ifdef _SC_CLK_TCK
- if((hz = sysconf(_SC_CLK_TCK)) > 0) {
- return hz;
+ if((myhz = (unsigned long long int) sysconf(_SC_CLK_TCK)) > 0) {
+ return myhz;
}
#endif
#ifdef HZ
-
hz = (unsigned long long)HZ; /* <asm/param.h> */
-#else
+
myhz = HZ; /* <asm/param.h> */
+#else /* HZ */
/* If 32-bit or big-endian (not Alpha or ia64), assume HZ is 100. */
hz = (sizeof(long)==sizeof(int) || htons(999)==999) ? 100UL : 1024UL;
-#endif
+#endif /* HZ */
- error("Unknown HZ value. Assuming %llu.", hz);
- return hz;
+ error("Unknown HZ value. Assuming %llu.", myhz);
+ return myhz;
}
// ----------------------------------------------------------------------------
// target
-// target is the point to aggregate a process tree values
+// target is the structure that process data are aggregated
struct target {
char compare[MAX_COMPARE_NAME + 1];
+ uint32_t hash;
+
char id[MAX_NAME + 1];
char name[MAX_NAME + 1];
+ uid_t uid;
+ gid_t gid;
+
unsigned long long minflt;
unsigned long long cminflt;
unsigned long long majflt;
int hidden; // if set, we set the hidden flag on the dimension
int debug;
- struct target *target; // the one that will be reported to netdata
+ struct target *target; // the one that will be reported to netdata
struct target *next;
-} *target_root = NULL, *default_target = NULL;
+};
+
+
+// ----------------------------------------------------------------------------
+// apps_groups.conf
+// aggregate all processes in groups, to have a limited number of dimensions
-long targets = 0;
+struct target *apps_groups_root_target = NULL;
+struct target *apps_groups_default_target = NULL;
+long apps_groups_targets = 0;
-// find or create a target
-// there are targets that are just agregated to other target (the second argument)
-struct target *get_target(const char *id, struct target *target)
+struct target *users_root_target = NULL;
+struct target *groups_root_target = NULL;
+
+struct target *get_users_target(uid_t uid)
+{
+ struct target *w;
+ for(w = users_root_target ; w ; w = w->next)
+ if(w->uid == uid) return w;
+
+ w = calloc(sizeof(struct target), 1);
+ if(unlikely(!w)) {
+ error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
+ return NULL;
+ }
+
+ snprintf(w->compare, MAX_COMPARE_NAME, "%d", uid);
+ w->hash = simple_hash(w->compare);
+
+ snprintf(w->id, MAX_NAME, "%d", uid);
+
+ struct passwd *pw = getpwuid(uid);
+ if(!pw)
+ snprintf(w->name, MAX_NAME, "%d", uid);
+ else
+ snprintf(w->name, MAX_NAME, "%s", pw->pw_name);
+
+ w->uid = uid;
+
+ w->next = users_root_target;
+ users_root_target = w;
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: added uid %d ('%s') target\n", w->uid, w->name);
+
+ return w;
+}
+
+struct target *get_groups_target(gid_t gid)
+{
+ struct target *w;
+ for(w = groups_root_target ; w ; w = w->next)
+ if(w->gid == gid) return w;
+
+ w = calloc(sizeof(struct target), 1);
+ if(unlikely(!w)) {
+ error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
+ return NULL;
+ }
+
+ snprintf(w->compare, MAX_COMPARE_NAME, "%d", gid);
+ w->hash = simple_hash(w->compare);
+
+ snprintf(w->id, MAX_NAME, "%d", gid);
+
+ struct group *gr = getgrgid(gid);
+ if(!gr)
+ snprintf(w->name, MAX_NAME, "%d", gid);
+ else
+ snprintf(w->name, MAX_NAME, "%s", gr->gr_name);
+
+ w->gid = gid;
+
+ w->next = groups_root_target;
+ groups_root_target = w;
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: added gid %d ('%s') target\n", w->gid, w->name);
+
+ return w;
+}
+
+// find or create a new target
+// there are targets that are just aggregated to other target (the second argument)
+struct target *get_apps_groups_target(const char *id, struct target *target)
{
const char *nid = id;
if(nid[0] == '-') nid++;
struct target *w;
- for(w = target_root ; w ; w = w->next)
+ for(w = apps_groups_root_target ; w ; w = w->next)
if(strncmp(nid, w->id, MAX_NAME) == 0) return w;
w = calloc(sizeof(struct target), 1);
- if(!w) {
+ if(unlikely(!w)) {
error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
return NULL;
}
strncpy(w->id, nid, MAX_NAME);
strncpy(w->name, nid, MAX_NAME);
strncpy(w->compare, nid, MAX_COMPARE_NAME);
+ w->hash = simple_hash(w->compare);
+
if(id[0] == '-') w->hidden = 1;
w->target = target;
- w->next = target_root;
- target_root = w;
+ w->next = apps_groups_root_target;
+ apps_groups_root_target = w;
- if(debug) fprintf(stderr, "apps.plugin: adding hook for process '%s', compare '%s' on target '%s'\n", w->id, w->compare, w->target?w->target->id:"");
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: adding hook for process '%s', compare '%s' on target '%s'\n", w->id, w->compare, w->target?w->target->id:"");
return w;
}
-// read the process groups file
-int read_process_groups(const char *name)
+// read the apps_groups.conf file
+int read_apps_groups_conf(const char *name)
{
char buffer[4096+1];
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/apps_%s.conf", CONFIG_DIR, name);
+ snprintf(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, name);
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
- if(debug) fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
FILE *fp = fopen(filename, "r");
- if(!fp) {
+ if(unlikely(!fp)) {
error("Cannot open file '%s'", filename);
return 1;
}
struct target *w = NULL;
long count = 0;
+ int blen = 0;
+ char buffer[4097] = "";
+ buffer[4096] = '\0';
// the process names
while((p = strsep(&s, " "))) {
p = trim(p);
if(!p || !*p) continue;
- struct target *n = get_target(p, w);
+ strncpy(&buffer[blen], p, 4096 - blen);
+ blen = strlen(buffer);
+
+ while(buffer[blen - 1] == '\\') {
+ buffer[blen - 1] = ' ';
+
+ if((p = strsep(&s, " ")))
+ p = trim(p);
+
+ if(!p || !*p) p = " ";
+ strncpy(&buffer[blen], p, 4096 - blen);
+ blen = strlen(buffer);
+ }
+
+ struct target *n = get_apps_groups_target(buffer, w);
n->hidden = whidden;
n->debug = wdebug;
if(!w) w = n;
+ buffer[0] = '\0';
+ blen = 0;
+
count++;
}
}
fclose(fp);
- default_target = get_target("+p!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
- strncpy(default_target->name, "other", MAX_NAME);
+ apps_groups_default_target = get_apps_groups_target("+p!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
+ strncpy(apps_groups_default_target->name, "other", MAX_NAME);
return 0;
}
// uint64_t guest_time;
// int64_t cguest_time;
+ uid_t uid;
+ gid_t gid;
+
unsigned long long statm_size;
unsigned long long statm_resident;
unsigned long long statm_share;
unsigned long long io_storage_bytes_written;
unsigned long long io_cancelled_write_bytes;
-#ifdef INCLUDE_CHILDS
+ // we need the last values
+ // for all incremental counters
+ // so that when a process switches users/groups
+ // we will subtract these values from the old
+ // target
+ unsigned long long last_minflt;
+ unsigned long long last_cminflt;
+ unsigned long long last_majflt;
+ unsigned long long last_cmajflt;
+ unsigned long long last_utime;
+ unsigned long long last_stime;
+ unsigned long long last_cutime;
+ unsigned long long last_cstime;
+
+ unsigned long long last_io_logical_bytes_read;
+ unsigned long long last_io_logical_bytes_written;
+ unsigned long long last_io_read_calls;
+ unsigned long long last_io_write_calls;
+ unsigned long long last_io_storage_bytes_read;
+ unsigned long long last_io_storage_bytes_written;
+ unsigned long long last_io_cancelled_write_bytes;
+
+#ifdef AGGREGATE_CHILDREN_TO_PARENTS
unsigned long long old_utime;
unsigned long long old_stime;
unsigned long long old_minflt;
unsigned long long diff_cstime;
unsigned long long diff_cminflt;
unsigned long long diff_cmajflt;
-#endif
+#endif /* AGGREGATE_CHILDREN_TO_PARENTS */
- int *fds; // array of fds it uses
- int fds_size; // the size of the fds array
+ int *fds; // array of fds it uses
+ int fds_size; // the size of the fds array
- int childs; // number of processes directly referencing this
- int updated; // 1 when update
- int merged; // 1 when it has been merged to its parent
+ int children_count; // number of processes directly referencing this
+ int updated; // 1 when update
+ int merged; // 1 when it has been merged to its parent
int new_entry;
- struct target *target;
+
+ struct target *target; // app_groups.conf targets
+ struct target *user_target; // uid based targets
+ struct target *group_target; // gid based targets
+
struct pid_stat *parent;
struct pid_stat *prev;
struct pid_stat *next;
+
} *root_of_pids = NULL, **all_pids;
long all_pids_count = 0;
// ----------------------------------------------------------------------------
// update pids from proc
+int read_proc_pid_ownership(struct pid_stat *p) {
+ char filename[FILENAME_MAX + 1];
+
+ snprintf(filename, FILENAME_MAX, "%s/proc/%d", host_prefix, p->pid);
+
+ // ----------------------------------------
+ // read uid and gid
+
+ struct stat st;
+ if(stat(filename, &st) != 0)
+ return 1;
+
+ p->uid = st.st_uid;
+ p->gid = st.st_gid;
+
+ return 0;
+}
+
int read_proc_pid_stat(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "/proc/%d/stat", p->pid);
+ snprintf(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
+
+ // ----------------------------------------
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
// p->pid = atol(procfile_lineword(ff, 0, 0+i));
// comm is at 1
// p->state = *(procfile_lineword(ff, 0, 2+i));
- p->ppid = atol(procfile_lineword(ff, 0, 3+i));
+ p->ppid = (int32_t) atol(procfile_lineword(ff, 0, 3 + i));
// p->pgrp = atol(procfile_lineword(ff, 0, 4+i));
// p->session = atol(procfile_lineword(ff, 0, 5+i));
// p->tty_nr = atol(procfile_lineword(ff, 0, 6+i));
p->cstime = strtoull(procfile_lineword(ff, 0, 16+i), NULL, 10);
// p->priority = strtoull(procfile_lineword(ff, 0, 17+i), NULL, 10);
// p->nice = strtoull(procfile_lineword(ff, 0, 18+i), NULL, 10);
- p->num_threads = atol(procfile_lineword(ff, 0, 19+i));
+ p->num_threads = (int32_t) atol(procfile_lineword(ff, 0, 19 + i));
// p->itrealvalue = strtoull(procfile_lineword(ff, 0, 20+i), NULL, 10);
// p->starttime = strtoull(procfile_lineword(ff, 0, 21+i), NULL, 10);
// p->vsize = strtoull(procfile_lineword(ff, 0, 22+i), NULL, 10);
int read_proc_pid_statm(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "/proc/%d/statm", p->pid);
+ snprintf(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
int read_proc_pid_io(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "/proc/%d/io", p->pid);
+ snprintf(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
}
-// ----------------------------------------------------------------------------
-
-#ifdef INCLUDE_CHILDS
-// print a tree view of all processes
-int walk_down(pid_t pid, int level) {
- struct pid_stat *p = NULL;
- char b[level+3];
- int i, ret = 0;
-
- for(i = 0; i < level; i++) b[i] = '\t';
- b[level] = '|';
- b[level+1] = '-';
- b[level+2] = '\0';
-
- for(p = root_of_pids; p ; p = p->next) {
- if(p->ppid == pid) {
- ret += walk_down(p->pid, level+1);
- }
- }
-
- p = all_pids[pid];
- if(p) {
- if(!p->updated) ret += 1;
- if(ret) fprintf(stderr, "%s %s %d [%s, %s] c=%d u=%llu+%llu, s=%llu+%llu, cu=%llu+%llu, cs=%llu+%llu, n=%llu+%llu, j=%llu+%llu, cn=%llu+%llu, cj=%llu+%llu\n"
- , b, p->comm, p->pid, p->updated?"OK":"KILLED", p->target->name, p->childs
- , p->utime, p->utime - p->old_utime
- , p->stime, p->stime - p->old_stime
- , p->cutime, p->cutime - p->old_cutime
- , p->cstime, p->cstime - p->old_cstime
- , p->minflt, p->minflt - p->old_minflt
- , p->majflt, p->majflt - p->old_majflt
- , p->cminflt, p->cminflt - p->old_cminflt
- , p->cmajflt, p->cmajflt - p->old_cmajflt
- );
- }
-
- return ret;
-}
-#endif
-
-
// ----------------------------------------------------------------------------
// file descriptor
// this is used to keep a global list of all open files of the system
-// it is needed in order to figure out the unique files a process tree has open
+// it is needed in order to calculate the unique files processes have open
#define FILE_DESCRIPTORS_INCREASE_STEP 100
struct file_descriptor {
avl avl;
+#ifdef NETDATA_INTERNAL_CHECKS
uint32_t magic;
+#endif /* NETDATA_INTERNAL_CHECKS */
uint32_t hash;
const char *name;
int type;
- long count;
- long pos;
+ int count;
+ int pos;
} *all_files = NULL;
int all_files_len = 0;
int all_files_size = 0;
int file_descriptor_compare(void* a, void* b) {
+#ifdef NETDATA_INTERNAL_CHECKS
if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
error("Corrupted index data detected. Please report this.");
+#endif /* NETDATA_INTERNAL_CHECKS */
if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
return -1;
+
else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
return 1;
- else return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
+
+ else
+ return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
}
+
int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
avl_tree all_files_index = {
NULL,
file_descriptor_compare,
+#ifndef AVL_WITHOUT_PTHREADS
+#ifdef AVL_LOCK_WITH_MUTEX
+ PTHREAD_MUTEX_INITIALIZER
+#else
PTHREAD_RWLOCK_INITIALIZER
+#endif
+#endif /* AVL_WITHOUT_PTHREADS */
};
static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
tmp.name = name;
tmp.count = 0;
tmp.pos = 0;
+#ifdef NETDATA_INTERNAL_CHECKS
tmp.magic = 0x0BADCAFE;
+#endif /* NETDATA_INTERNAL_CHECKS */
avl_search(&all_files_index, (avl *)&tmp, file_descriptor_iterator, (avl **)&result);
return result;
void file_descriptor_not_used(int id)
{
if(id > 0 && id < all_files_size) {
+
+#ifdef NETDATA_INTERNAL_CHECKS
if(all_files[id].magic != 0x0BADCAFE) {
error("Ignoring request to remove empty file id %d.", id);
return;
}
+#endif /* NETDATA_INTERNAL_CHECKS */
- if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %ld).\n", id, all_files[id].count);
+ if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
if(all_files[id].count > 0) {
all_files[id].count--;
if(!all_files[id].count) {
if(debug) fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
file_descriptor_remove(&all_files[id]);
+#ifdef NETDATA_INTERNAL_CHECKS
all_files[id].magic = 0x00000000;
+#endif /* NETDATA_INTERNAL_CHECKS */
all_files_len--;
}
}
else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
}
-unsigned long file_descriptor_find_or_add(const char *name)
+int file_descriptor_find_or_add(const char *name)
{
static int last_pos = 0;
uint32_t hash = simple_hash(name);
struct file_descriptor *fd = file_descriptor_find(name, hash);
if(fd) {
// found
- if(debug) fprintf(stderr, "apps.plugin: >> found on slot %ld\n", fd->pos);
+ if(debug) fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
fd->count++;
return fd->pos;
}
for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
all_files[i].count = 0;
all_files[i].name = NULL;
+#ifdef NETDATA_INTERNAL_CHECKS
all_files[i].magic = 0x00000000;
+#endif /* NETDATA_INTERNAL_CHECKS */
all_files[i].pos = i;
}
if(!all_files[c].count) {
if(debug) fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
+#ifdef NETDATA_INTERNAL_CHECKS
if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
+#endif /* NETDATA_INTERNAL_CHECKS */
if(debug) fprintf(stderr, "apps.plugin: >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name);
if(all_files[c].name) free((void *)all_files[c].name);
// else we have an empty slot in 'c'
- int type = FILETYPE_OTHER;
+ int type;
if(name[0] == '/') type = FILETYPE_FILE;
else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE;
else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET;
all_files[c].type = type;
all_files[c].pos = c;
all_files[c].count = 1;
+#ifdef NETDATA_INTERNAL_CHECKS
all_files[c].magic = 0x0BADCAFE;
-
+#endif /* NETDATA_INTERNAL_CHECKS */
file_descriptor_add(&all_files[c]);
if(debug) fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
return c;
}
+int read_pid_file_descriptors(struct pid_stat *p) {
+ char dirname[FILENAME_MAX+1];
+
+ snprintf(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid);
+ DIR *fds = opendir(dirname);
+ if(fds) {
+ int c;
+ struct dirent *de;
+ char fdname[FILENAME_MAX + 1];
+ char linkname[FILENAME_MAX + 1];
+
+ // make the array negative
+ for(c = 0 ; c < p->fds_size ; c++)
+ p->fds[c] = -p->fds[c];
+
+ while((de = readdir(fds))) {
+ if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0)
+ continue;
+
+ // check if the fds array is small
+ int fdid = atoi(de->d_name);
+ if(fdid < 0) continue;
+ if(fdid >= p->fds_size) {
+ // it is small, extend it
+ if(debug) fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
+ p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
+ if(!p->fds) {
+ error("Cannot re-allocate fds for %s", p->comm);
+ break;
+ }
+
+ // and initialize it
+ for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
+ p->fds_size = fdid + 100;
+ }
+
+ if(p->fds[fdid] == 0) {
+ // we don't know this fd, get it
+
+ sprintf(fdname, "%s/proc/%d/fd/%s", host_prefix, p->pid, de->d_name);
+ ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
+ if(l == -1) {
+ if(debug || (p->target && p->target->debug)) {
+ if(debug || (p->target && p->target->debug))
+ error("Cannot read link %s", fdname);
+ }
+ continue;
+ }
+ linkname[l] = '\0';
+ file_counter++;
+
+ // if another process already has this, we will get
+ // the same id
+ p->fds[fdid] = file_descriptor_find_or_add(linkname);
+ }
+
+ // else make it positive again, we need it
+ // of course, the actual file may have changed, but we don't care so much
+ // FIXME: we could compare the inode as returned by readdir direct structure
+ else p->fds[fdid] = -p->fds[fdid];
+ }
+ closedir(fds);
+
+ // remove all the negative file descriptors
+ for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
+ file_descriptor_not_used(-p->fds[c]);
+ p->fds[c] = 0;
+ }
+ }
+ else return 1;
+
+ return 0;
+}
+
+// ----------------------------------------------------------------------------
// 1. read all files in /proc
// 2. for each numeric directory:
// to avoid filling up all disk space
// if debug is enabled, all errors are printed
-int update_from_proc(void)
+int collect_data_for_all_processes_from_proc(void)
{
static long count_errors = 0;
- char filename[FILENAME_MAX+1];
- DIR *dir = opendir("/proc");
+ char dirname[FILENAME_MAX + 1];
+
+ snprintf(dirname, FILENAME_MAX, "%s/proc", host_prefix);
+ DIR *dir = opendir(dirname);
if(!dir) return 0;
struct dirent *file = NULL;
all_pids_count++;
p->parent = NULL;
p->updated = 0;
- p->childs = 0;
+ p->children_count = 0;
p->merged = 0;
p->new_entry = 0;
+
+ p->last_minflt = p->minflt;
+ p->last_cminflt = p->cminflt;
+ p->last_majflt = p->majflt;
+ p->last_cmajflt = p->cmajflt;
+ p->last_utime = p->utime;
+ p->last_stime = p->stime;
+ p->last_cutime = p->cutime;
+ p->last_cstime = p->cstime;
+
+ p->last_io_logical_bytes_read = p->io_logical_bytes_read;
+ p->last_io_logical_bytes_written = p->io_logical_bytes_written;
+ p->last_io_read_calls = p->io_read_calls;
+ p->last_io_write_calls = p->io_write_calls;
+ p->last_io_storage_bytes_read = p->io_storage_bytes_read;
+ p->last_io_storage_bytes_written = p->io_storage_bytes_written;
+ p->last_io_cancelled_write_bytes = p->io_cancelled_write_bytes;
}
while((file = readdir(dir))) {
char *endptr = file->d_name;
- pid_t pid = strtoul(file->d_name, &endptr, 10);
- if(pid <= 0 || pid > pid_max || endptr == file->d_name || *endptr != '\0') continue;
+ pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10);
+
+ // make sure we read a valid number
+ if(unlikely(pid <= 0 || pid > pid_max || endptr == file->d_name || *endptr != '\0'))
+ continue;
p = get_pid_entry(pid);
- if(!p) continue;
+ if(unlikely(!p)) continue;
+
// --------------------------------------------------------------------
// /proc/<pid>/stat
- if(read_proc_pid_stat(p)) {
+ if(unlikely(read_proc_pid_stat(p))) {
if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot process /proc/%d/stat", pid);
+ error("Cannot process %s/proc/%d/stat", host_prefix, pid);
+ // there is no reason to proceed if we cannot get its status
continue;
}
- if(p->ppid < 0 || p->ppid > pid_max) p->ppid = 0;
+
+ // check its parent pid
+ if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
+ if(unlikely(!count_errors++ || debug || (p->target && p->target->debug)))
+ error("Pid %d states invalid parent pid %d. Using 0.", pid, p->ppid);
+
+ p->ppid = 0;
+ }
// --------------------------------------------------------------------
// /proc/<pid>/statm
- if(read_proc_pid_statm(p)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot process /proc/%d/statm", pid);
+ if(unlikely(read_proc_pid_statm(p))) {
+ if(unlikely(!count_errors++ || debug || (p->target && p->target->debug)))
+ error("Cannot process %s/proc/%d/statm", host_prefix, pid);
+ // there is no reason to proceed if we cannot get its memory status
continue;
}
// --------------------------------------------------------------------
// /proc/<pid>/io
- if(read_proc_pid_io(p)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot process /proc/%d/io", pid);
+ if(unlikely(read_proc_pid_io(p))) {
+ if(unlikely(!count_errors++ || debug || (p->target && p->target->debug)))
+ error("Cannot process %s/proc/%d/io", host_prefix, pid);
- continue;
+ // on systems without /proc/X/io
+ // allow proceeding without I/O information
+ // continue;
+ }
+
+ // --------------------------------------------------------------------
+ // <pid> ownership
+
+ if(unlikely(read_proc_pid_ownership(p))) {
+ if(unlikely(!count_errors++ || debug || (p->target && p->target->debug)))
+ error("Cannot stat %s/proc/%d", host_prefix, pid);
}
// --------------------------------------------------------------------
// check if it is target
// we do this only once, the first time this pid is loaded
- if(p->new_entry) {
+ if(unlikely(p->new_entry)) {
if(debug) fprintf(stderr, "apps.plugin: \tJust added %s\n", p->comm);
+ uint32_t hash = simple_hash(p->comm);
struct target *w;
- for(w = target_root; w ; w = w->next) {
+ for(w = apps_groups_root_target; w ; w = w->next) {
// if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
- if(strcmp(w->compare, p->comm) == 0) {
+ if(w->hash == hash && strcmp(w->compare, p->comm) == 0) {
if(w->target) p->target = w->target;
else p->target = w;
- if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
}
}
}
// --------------------------------------------------------------------
// /proc/<pid>/fd
- snprintf(filename, FILENAME_MAX, "/proc/%s/fd", file->d_name);
- DIR *fds = opendir(filename);
- if(fds) {
- int c;
- struct dirent *de;
- char fdname[FILENAME_MAX + 1];
- char linkname[FILENAME_MAX + 1];
-
- // make the array negative
- for(c = 0 ; c < p->fds_size ; c++) p->fds[c] = -p->fds[c];
-
- while((de = readdir(fds))) {
- if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
-
- // check if the fds array is small
- int fdid = atol(de->d_name);
- if(fdid < 0) continue;
- if(fdid >= p->fds_size) {
- // it is small, extend it
- if(debug) fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
- p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
- if(!p->fds) {
- error("Cannot re-allocate fds for %s", p->comm);
- break;
- }
-
- // and initialize it
- for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
- p->fds_size = fdid + 100;
- }
-
- if(p->fds[fdid] == 0) {
- // we don't know this fd, get it
-
- sprintf(fdname, "/proc/%s/fd/%s", file->d_name, de->d_name);
- int l = readlink(fdname, linkname, FILENAME_MAX);
- if(l == -1) {
- if(debug || (p->target && p->target->debug)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot read link %s", fdname);
- }
- continue;
- }
- linkname[l] = '\0';
- file_counter++;
-
- // if another process already has this, we will get
- // the same id
- p->fds[fdid] = file_descriptor_find_or_add(linkname);
- }
-
- // else make it positive again, we need it
- // of course, the actual file may have changed, but we don't care so much
- // FIXME: we could compare the inode as returned by readdir direct structure
- else p->fds[fdid] = -p->fds[fdid];
- }
- closedir(fds);
-
- // remove all the negative file descriptors
- for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
- file_descriptor_not_used(-p->fds[c]);
- p->fds[c] = 0;
- }
+ if(unlikely(read_pid_file_descriptors(p))) {
+ if(unlikely(!count_errors++ || debug || (p->target && p->target->debug)))
+ error("Cannot process entries in %s/proc/%d/fd", host_prefix, pid);
}
// --------------------------------------------------------------------
// mark it as updated
p->updated = 1;
}
- if(count_errors > 1000) {
+
+ if(unlikely(count_errors > 1000)) {
error("%ld more errors encountered\n", count_errors - 1);
count_errors = 0;
}
}
+// ----------------------------------------------------------------------------
+
+#ifdef AGGREGATE_CHILDREN_TO_PARENTS
+// print a tree view of all processes
+int debug_childrens_aggregations(pid_t pid, int level) {
+ struct pid_stat *p = NULL;
+ char b[level+3];
+ int i, ret = 0;
+
+ for(i = 0; i < level; i++) b[i] = '\t';
+ b[level] = '|';
+ b[level+1] = '-';
+ b[level+2] = '\0';
+
+ for(p = root_of_pids; p ; p = p->next) {
+ if(p->ppid == pid) {
+ ret += debug_childrens_aggregations(p->pid, level+1);
+ }
+ }
+
+ p = all_pids[pid];
+ if(p) {
+ if(!p->updated) ret += 1;
+ if(ret) fprintf(stderr, "%s %s %d [%s, %s] c=%d u=%llu+%llu, s=%llu+%llu, cu=%llu+%llu, cs=%llu+%llu, n=%llu+%llu, j=%llu+%llu, cn=%llu+%llu, cj=%llu+%llu\n"
+ , b, p->comm, p->pid, p->updated?"OK":"KILLED", p->target->name, p->children_count
+ , p->utime, p->utime - p->old_utime
+ , p->stime, p->stime - p->old_stime
+ , p->cutime, p->cutime - p->old_cutime
+ , p->cstime, p->cstime - p->old_cstime
+ , p->minflt, p->minflt - p->old_minflt
+ , p->majflt, p->majflt - p->old_majflt
+ , p->cminflt, p->cminflt - p->old_cminflt
+ , p->cmajflt, p->cmajflt - p->old_cmajflt
+ );
+ }
+
+ return ret;
+}
+#endif /* AGGREGATE_CHILDREN_TO_PARENTS */
+
+
+
// ----------------------------------------------------------------------------
// update statistics on the targets
// 4. go from top to bottom, linking all childs without a target, to their parent target
// after this step, all processes have a target
// [5. for each killed pid (updated = 0), remove its usage from its target]
-// 6. zero all targets
-// 7. concentrate all values on the targets
+// 6. zero all apps_groups_targets
+// 7. concentrate all values on the apps_groups_targets
// 8. remove all killed processes
// 9. find the unique file count for each target
+// check: update_apps_groups_statistics()
-void update_statistics(void)
-{
- int c;
+void link_all_processes_to_their_parents(void) {
struct pid_stat *p = NULL;
- // link all parents and update childs count
+ // link all children to their parents
+ // and update children count on parents
for(p = root_of_pids; p ; p = p->next) {
- if(p->ppid > 0 && p->ppid <= pid_max && all_pids[p->ppid]) {
- if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \tparent of %d %s is %d %s\n", p->pid, p->comm, p->ppid, all_pids[p->ppid]->comm);
+ // for each process found running
- p->parent = all_pids[p->ppid];
- p->parent->childs++;
- }
- else if(p->ppid != 0) error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
- }
-
- // find all the procs with 0 childs and merge them to their parents
- // repeat, until nothing more can be done.
- int found = 1;
- while(found) {
- found = 0;
- for(p = root_of_pids; p ; p = p->next) {
- // if this process does not have any childs, and
- // is not already merged, and
- // its parent has childs waiting to be merged, and
- // the target of this process and its parent is the same, or the parent does not have a target, or this process does not have a parent
- // and its parent is not init
- // then... merge them!
- if(!p->childs && !p->merged && p->parent && p->parent->childs && (p->target == p->parent->target || !p->parent->target || !p->target) && p->ppid != 1) {
- p->parent->childs--;
- p->merged = 1;
+ if(p->ppid > 0
+ && p->ppid <= pid_max
+ && all_pids[p->ppid]
+ ) {
+ // for valid processes
- // the parent inherits the child's target, if it does not have a target itself
- if(p->target && !p->parent->target) {
- p->parent->target = p->target;
- if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\ttarget %s is inherited by %d %s from its child %d %s.\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
- }
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \tparent of %d (%s) is %d (%s)\n", p->pid, p->comm, p->ppid, all_pids[p->ppid]->comm);
- found++;
- }
+ p->parent = all_pids[p->ppid];
+ p->parent->children_count++;
}
- if(debug) fprintf(stderr, "apps.plugin: merged %d processes\n", found);
- }
-
- // give a default target on all top level processes
- // init goes always to default target
- if(all_pids[1]) all_pids[1]->target = default_target;
-
- for(p = root_of_pids; p ; p = p->next) {
- // if the process is not merged itself
- // then is is a top level process
- if(!p->merged && !p->target) p->target = default_target;
-
-#ifdef INCLUDE_CHILDS
- // by the way, update the diffs
- // will be used later for substracting killed process times
- p->diff_cutime = p->utime - p->cutime;
- p->diff_cstime = p->stime - p->cstime;
- p->diff_cminflt = p->minflt - p->cminflt;
- p->diff_cmajflt = p->majflt - p->cmajflt;
-#endif
+ else if(p->ppid != 0)
+ error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
}
+}
- // give a target to all merged child processes
- found = 1;
- while(found) {
- found = 0;
- for(p = root_of_pids; p ; p = p->next) {
- if(!p->target && p->merged && p->parent && p->parent->target) {
- p->target = p->parent->target;
- found++;
- }
- }
- }
+#ifdef AGGREGATE_CHILDREN_TO_PARENTS
+void aggregate_children_to_parents(void) {
+ struct pid_stat *p = NULL;
-#ifdef INCLUDE_CHILDS
// for each killed process, remove its values from the parents
// sums (we had already added them in a previous loop)
for(p = root_of_pids; p ; p = p->next) {
if(diff_minflt) error("Cannot fix up minflt %llu", diff_minflt);
if(diff_majflt) error("Cannot fix up majflt %llu", diff_majflt);
}
-#endif
+}
+#endif /* AGGREGATE_CHILDREN_TO_PARENTS */
+
+void cleanup_non_existing_pids(void) {
+ int c;
+ struct pid_stat *p = NULL;
+
+ for(p = root_of_pids; p ;) {
+ if(!p->updated) {
+// fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->parent->pid, p->parent->comm, p->target->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+
+ for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
+ file_descriptor_not_used(p->fds[c]);
+ p->fds[c] = 0;
+ }
+
+ pid_t r = p->pid;
+ p = p->next;
+ del_pid_entry(r);
+ }
+ else p = p->next;
+ }
+}
+
+void apply_apps_groups_targets_inheritance(void) {
+ struct pid_stat *p = NULL;
+
+ // children that do not have a target
+ // inherit their target from their parent
+ int found = 1;
+ while(found) {
+ found = 0;
+ for(p = root_of_pids; p ; p = p->next) {
+ // if this process does not have a target
+ // and it has a parent
+ // and its parent has a target
+ // then, set the parent's target to this process
+ if(unlikely(!p->target && p->parent && p->parent->target)) {
+ p->target = p->parent->target;
+ found++;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
+ }
+ }
+ }
+
+
+ // find all the procs with 0 childs and merge them to their parents
+ // repeat, until nothing more can be done.
+ found = 1;
+ while(found) {
+ found = 0;
+ for(p = root_of_pids; p ; p = p->next) {
+ // if this process does not have any children
+ // and is not already merged
+ // and has a parent
+ // and its parent has children
+ // and the target of this process and its parent is the same, or the parent does not have a target
+ // and its parent is not init
+ // then, mark them as merged.
+ if(unlikely(
+ !p->children_count
+ && !p->merged
+ && p->parent
+ && p->parent->children_count
+ && (p->target == p->parent->target || !p->parent->target)
+ && p->ppid != 1
+ )) {
+ p->parent->children_count--;
+ p->merged = 1;
+
+ // the parent inherits the child's target, if it does not have a target itself
+ if(unlikely(p->target && !p->parent->target)) {
+ p->parent->target = p->target;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
+ }
+
+ found++;
+ }
+ }
+
+ if(debug)
+ fprintf(stderr, "apps.plugin: merged %d processes\n", found);
+ }
+
+ // init goes always to default target
+ if(all_pids[1])
+ all_pids[1]->target = apps_groups_default_target;
+
+ // give a default target on all top level processes
+ for(p = root_of_pids; p ; p = p->next) {
+ // if the process is not merged itself
+ // then is is a top level process
+ if(!p->merged && !p->target)
+ p->target = apps_groups_default_target;
+
+#ifdef AGGREGATE_CHILDREN_TO_PARENTS
+ // by the way, update the diffs
+ // will be used later for subtracting killed process times
+ p->diff_cutime = p->utime - p->cutime;
+ p->diff_cstime = p->stime - p->cstime;
+ p->diff_cminflt = p->minflt - p->cminflt;
+ p->diff_cmajflt = p->majflt - p->cmajflt;
+#endif /* AGGREGATE_CHILDREN_TO_PARENTS */
+ }
+
+ // give a target to all merged child processes
+ found = 1;
+ while(found) {
+ found = 0;
+ for(p = root_of_pids; p ; p = p->next) {
+ if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) {
+ p->target = p->parent->target;
+ found++;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
+ }
+ }
+ }
+}
- // zero all the targets
- targets = 0;
+long zero_all_targets(struct target *root) {
struct target *w;
- for (w = target_root; w ; w = w->next) {
- targets++;
+ long count = 0;
- w->fds = calloc(sizeof(int), all_files_size);
- if(!w->fds)
- error("Cannot allocate memory for fds in %s", w->name);
+ for (w = root; w ; w = w->next) {
+ count++;
+
+ if(w->fds) free(w->fds);
+ w->fds = NULL;
w->minflt = 0;
w->majflt = 0;
w->io_cancelled_write_bytes = 0;
}
-#ifdef INCLUDE_CHILDS
- if(debug) walk_down(0, 1);
-#endif
+ return count;
+}
- // concentrate everything on the targets
- for(p = root_of_pids; p ; p = p->next) {
- if(!p->target) {
- error("pid %d %s was left without a target!", p->pid, p->comm);
- continue;
- }
+void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
+ if(unlikely(!w->fds)) {
+ w->fds = calloc(sizeof(int), (size_t) all_files_size);
+ if(unlikely(!w->fds))
+ error("Cannot allocate memory for fds in %s", w->name);
+ }
- if(p->updated) {
- p->target->cutime += p->cutime; // - p->fix_cutime;
- p->target->cstime += p->cstime; // - p->fix_cstime;
- p->target->cminflt += p->cminflt; // - p->fix_cminflt;
- p->target->cmajflt += p->cmajflt; // - p->fix_cmajflt;
+ if(likely(p->updated)) {
+ w->cutime += p->cutime; // - p->fix_cutime;
+ w->cstime += p->cstime; // - p->fix_cstime;
+ w->cminflt += p->cminflt; // - p->fix_cminflt;
+ w->cmajflt += p->cmajflt; // - p->fix_cmajflt;
- p->target->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0;
- p->target->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0;
- p->target->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0;
- p->target->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0;
+ w->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0;
+ w->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0;
+ w->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0;
+ w->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0;
- //if(p->num_threads < 0)
- // error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
+ //if(p->num_threads < 0)
+ // error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
- //if(p->num_threads > 10000)
- // error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
+ //if(p->num_threads > 10000)
+ // error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
- p->target->num_threads += p->num_threads;
- p->target->rss += p->rss;
+ w->num_threads += p->num_threads;
+ w->rss += p->rss;
- p->target->statm_size += p->statm_size;
- p->target->statm_resident += p->statm_resident;
- p->target->statm_share += p->statm_share;
- p->target->statm_text += p->statm_text;
- p->target->statm_lib += p->statm_lib;
- p->target->statm_data += p->statm_data;
- p->target->statm_dirty += p->statm_dirty;
+ w->statm_size += p->statm_size;
+ w->statm_resident += p->statm_resident;
+ w->statm_share += p->statm_share;
+ w->statm_text += p->statm_text;
+ w->statm_lib += p->statm_lib;
+ w->statm_data += p->statm_data;
+ w->statm_dirty += p->statm_dirty;
- p->target->io_logical_bytes_read += p->io_logical_bytes_read;
- p->target->io_logical_bytes_written += p->io_logical_bytes_written;
- p->target->io_read_calls += p->io_read_calls;
- p->target->io_write_calls += p->io_write_calls;
- p->target->io_storage_bytes_read += p->io_storage_bytes_read;
- p->target->io_storage_bytes_written += p->io_storage_bytes_written;
- p->target->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+ w->io_logical_bytes_read += p->io_logical_bytes_read;
+ w->io_logical_bytes_written += p->io_logical_bytes_written;
+ w->io_read_calls += p->io_read_calls;
+ w->io_write_calls += p->io_write_calls;
+ w->io_storage_bytes_read += p->io_storage_bytes_read;
+ w->io_storage_bytes_written += p->io_storage_bytes_written;
+ w->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
- p->target->processes++;
+ w->processes++;
+ if(likely(w->fds)) {
+ int c;
for(c = 0; c < p->fds_size ;c++) {
if(p->fds[c] == 0) continue;
- if(p->fds[c] < all_files_size) {
- if(p->target->fds) p->target->fds[p->fds[c]]++;
+
+ if(likely(p->fds[c] < all_files_size)) {
+ if(w->fds) w->fds[p->fds[c]]++;
}
else
error("Invalid fd number %d", p->fds[c]);
}
+ }
- if(debug || p->target->debug) fprintf(stderr, "apps.plugin: \tAgregating %s pid %d on %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, p->target->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
-
-/* if(p->utime - p->old_utime > 100) fprintf(stderr, "BIG CHANGE: %d %s utime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->utime - p->old_utime, p->old_utime, p->utime);
- if(p->cutime - p->old_cutime > 100) fprintf(stderr, "BIG CHANGE: %d %s cutime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cutime - p->old_cutime, p->old_cutime, p->cutime);
- if(p->stime - p->old_stime > 100) fprintf(stderr, "BIG CHANGE: %d %s stime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->stime - p->old_stime, p->old_stime, p->stime);
- if(p->cstime - p->old_cstime > 100) fprintf(stderr, "BIG CHANGE: %d %s cstime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cstime - p->old_cstime, p->old_cstime, p->cstime);
- if(p->minflt - p->old_minflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s minflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->minflt - p->old_minflt, p->old_minflt, p->minflt);
- if(p->majflt - p->old_majflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s majflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->majflt - p->old_majflt, p->old_majflt, p->majflt);
- if(p->cminflt - p->old_cminflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cminflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cminflt - p->old_cminflt, p->old_cminflt, p->cminflt);
- if(p->cmajflt - p->old_cmajflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cmajflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cmajflt - p->old_cmajflt, p->old_cmajflt, p->cmajflt);
+ if(unlikely(debug || w->debug))
+ fprintf(stderr, "apps.plugin: \tAgregating %s pid %d on %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, w->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+
+/* if(p->utime - p->old_utime > 100) fprintf(stderr, "BIG CHANGE: %d %s utime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->utime - p->old_utime, p->old_utime, p->utime);
+ if(p->cutime - p->old_cutime > 100) fprintf(stderr, "BIG CHANGE: %d %s cutime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cutime - p->old_cutime, p->old_cutime, p->cutime);
+ if(p->stime - p->old_stime > 100) fprintf(stderr, "BIG CHANGE: %d %s stime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->stime - p->old_stime, p->old_stime, p->stime);
+ if(p->cstime - p->old_cstime > 100) fprintf(stderr, "BIG CHANGE: %d %s cstime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cstime - p->old_cstime, p->old_cstime, p->cstime);
+ if(p->minflt - p->old_minflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s minflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->minflt - p->old_minflt, p->old_minflt, p->minflt);
+ if(p->majflt - p->old_majflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s majflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->majflt - p->old_majflt, p->old_majflt, p->majflt);
+ if(p->cminflt - p->old_cminflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cminflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cminflt - p->old_cminflt, p->old_cminflt, p->cminflt);
+ if(p->cmajflt - p->old_cmajflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cmajflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cmajflt - p->old_cmajflt, p->old_cmajflt, p->cmajflt);
*/
-#ifdef INCLUDE_CHILDS
- p->old_utime = p->utime;
- p->old_cutime = p->cutime;
- p->old_stime = p->stime;
- p->old_cstime = p->cstime;
- p->old_minflt = p->minflt;
- p->old_majflt = p->majflt;
- p->old_cminflt = p->cminflt;
- p->old_cmajflt = p->cmajflt;
-#endif
- }
- else {
- // since the process has exited, the user
- // will see a drop in our charts, because the incremental
- // values of this process will not be there
-
- // add them to the fix_* values and they will be added to
- // the reported values, so that the report goes steady
- p->target->fix_minflt += p->minflt;
- p->target->fix_majflt += p->majflt;
- p->target->fix_utime += p->utime;
- p->target->fix_stime += p->stime;
- p->target->fix_cminflt += p->cminflt;
- p->target->fix_cmajflt += p->cmajflt;
- p->target->fix_cutime += p->cutime;
- p->target->fix_cstime += p->cstime;
-
- p->target->fix_io_logical_bytes_read += p->io_logical_bytes_read;
- p->target->fix_io_logical_bytes_written += p->io_logical_bytes_written;
- p->target->fix_io_read_calls += p->io_read_calls;
- p->target->fix_io_write_calls += p->io_write_calls;
- p->target->fix_io_storage_bytes_read += p->io_storage_bytes_read;
- p->target->fix_io_storage_bytes_written += p->io_storage_bytes_written;
- p->target->fix_io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+#ifdef AGGREGATE_CHILDREN_TO_PARENTS
+ p->old_utime = p->utime;
+ p->old_cutime = p->cutime;
+ p->old_stime = p->stime;
+ p->old_cstime = p->cstime;
+ p->old_minflt = p->minflt;
+ p->old_majflt = p->majflt;
+ p->old_cminflt = p->cminflt;
+ p->old_cmajflt = p->cmajflt;
+#endif /* AGGREGATE_CHILDREN_TO_PARENTS */
+
+ if(o) {
+ // since the process switched target
+ // for all incremental values
+ // we have to subtract its OLD values from the new target
+ // and add its OLD values to the old target
+
+ // IMPORTANT
+ // We add/subtract the last/OLD values we added to the target
+
+ w->fix_cutime -= p->last_cutime;
+ w->fix_cstime -= p->last_cstime;
+ w->fix_cminflt -= p->last_cminflt;
+ w->fix_cmajflt -= p->last_cmajflt;
+
+ w->fix_utime -= p->last_utime;
+ w->fix_stime -= p->last_stime;
+ w->fix_minflt -= p->last_minflt;
+ w->fix_majflt -= p->last_majflt;
+
+
+ w->fix_io_logical_bytes_read -= p->last_io_logical_bytes_read;
+ w->fix_io_logical_bytes_written -= p->last_io_logical_bytes_written;
+ w->fix_io_read_calls -= p->last_io_read_calls;
+ w->fix_io_write_calls -= p->last_io_write_calls;
+ w->fix_io_storage_bytes_read -= p->last_io_storage_bytes_read;
+ w->fix_io_storage_bytes_written -= p->last_io_storage_bytes_written;
+ w->fix_io_cancelled_write_bytes -= p->last_io_cancelled_write_bytes;
+
+ // ---
+
+ o->fix_cutime += p->last_cutime;
+ o->fix_cstime += p->last_cstime;
+ o->fix_cminflt += p->last_cminflt;
+ o->fix_cmajflt += p->last_cmajflt;
+
+ o->fix_utime += p->last_utime;
+ o->fix_stime += p->last_stime;
+ o->fix_minflt += p->last_minflt;
+ o->fix_majflt += p->last_majflt;
+
+ o->fix_io_logical_bytes_read += p->last_io_logical_bytes_read;
+ o->fix_io_logical_bytes_written += p->last_io_logical_bytes_written;
+ o->fix_io_read_calls += p->last_io_read_calls;
+ o->fix_io_write_calls += p->last_io_write_calls;
+ o->fix_io_storage_bytes_read += p->last_io_storage_bytes_read;
+ o->fix_io_storage_bytes_written += p->last_io_storage_bytes_written;
+ o->fix_io_cancelled_write_bytes += p->last_io_cancelled_write_bytes;
}
}
+ else {
+ // if(o) fprintf(stderr, "apps.plugin: \t\tpid %d (%s) is not updated by OLD target %s (%s) is present.\n", p->pid, p->comm, o->id, o->name);
+
+ // since the process has exited, the user
+ // will see a drop in our charts, because the incremental
+ // values of this process will not be there
+
+ // add them to the fix_* values and they will be added to
+ // the reported values, so that the report goes steady
+ w->fix_minflt += p->minflt;
+ w->fix_majflt += p->majflt;
+ w->fix_utime += p->utime;
+ w->fix_stime += p->stime;
+ w->fix_cminflt += p->cminflt;
+ w->fix_cmajflt += p->cmajflt;
+ w->fix_cutime += p->cutime;
+ w->fix_cstime += p->cstime;
+
+ w->fix_io_logical_bytes_read += p->io_logical_bytes_read;
+ w->fix_io_logical_bytes_written += p->io_logical_bytes_written;
+ w->fix_io_read_calls += p->io_read_calls;
+ w->fix_io_write_calls += p->io_write_calls;
+ w->fix_io_storage_bytes_read += p->io_storage_bytes_read;
+ w->fix_io_storage_bytes_written += p->io_storage_bytes_written;
+ w->fix_io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+ }
-// fprintf(stderr, "\n");
- // cleanup all un-updated processed (exited, killed, etc)
- for(p = root_of_pids; p ;) {
- if(!p->updated) {
-// fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->parent->pid, p->parent->comm, p->target->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+}
- for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
- file_descriptor_not_used(p->fds[c]);
- p->fds[c] = 0;
- }
+void count_targets_fds(struct target *root) {
+ int c;
+ struct target *w;
- pid_t r = p->pid;
- p = p->next;
- del_pid_entry(r);
- }
- else p = p->next;
- }
+ for (w = root; w ; w = w->next) {
+ if(!w->fds) continue;
- for (w = target_root; w ; w = w->next) {
w->openfiles = 0;
w->openpipes = 0;
w->opensockets = 0;
w->openother = 0;
for(c = 1; c < all_files_size ;c++) {
- if(w->fds && w->fds[c] > 0) switch(all_files[c].type) {
+ if(w->fds[c] > 0)
+ switch(all_files[c].type) {
case FILETYPE_FILE:
w->openfiles++;
break;
}
}
+void calculate_netdata_statistics(void)
+{
+ link_all_processes_to_their_parents();
+ apply_apps_groups_targets_inheritance();
+
+#ifdef AGGREGATE_CHILDREN_TO_PARENTS
+ aggregate_children_to_parents();
+#endif /* AGGREGATE_CHILDREN_TO_PARENTS */
+
+ zero_all_targets(users_root_target);
+ zero_all_targets(groups_root_target);
+ apps_groups_targets = zero_all_targets(apps_groups_root_target);
+
+#ifdef AGGREGATE_CHILDREN_TO_PARENTS
+ if(debug)
+ debug_childrens_aggregations(0, 1);
+#endif /* AGGREGATE_CHILDREN_TO_PARENTS */
+
+ // this has to be done, before the cleanup
+ struct pid_stat *p = NULL;
+ struct target *w = NULL, *o = NULL;
+
+ // concentrate everything on the apps_groups_targets
+ for(p = root_of_pids; p ; p = p->next) {
+
+ // --------------------------------------------------------------------
+ // apps_groups targets
+ if(likely(p->target))
+ aggregate_pid_on_target(p->target, p, NULL);
+ else
+ error("pid %d %s was left without a target!", p->pid, p->comm);
+
+
+ // --------------------------------------------------------------------
+ // user targets
+ o = p->user_target;
+ if(likely(p->user_target && p->user_target->uid == p->uid))
+ w = p->user_target;
+ else {
+ if(unlikely(debug && p->user_target))
+ fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %d (%s) to %d.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid);
+
+ w = p->user_target = get_users_target(p->uid);
+ }
+
+ if(likely(w))
+ aggregate_pid_on_target(w, p, o);
+ else
+ error("pid %d %s was left without a user target!", p->pid, p->comm);
+
+
+ // --------------------------------------------------------------------
+ // group targets
+ o = p->group_target;
+ if(likely(p->group_target && p->group_target->gid == p->gid))
+ w = p->group_target;
+ else {
+ if(unlikely(debug && p->group_target))
+ fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %d (%s) to %d.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid);
+
+ w = p->group_target = get_groups_target(p->gid);
+ }
+
+ if(likely(w))
+ aggregate_pid_on_target(w, p, o);
+ else
+ error("pid %d %s was left without a group target!", p->pid, p->comm);
+
+ }
+
+ count_targets_fds(apps_groups_root_target);
+ count_targets_fds(users_root_target);
+ count_targets_fds(groups_root_target);
+
+ cleanup_non_existing_pids();
+}
+
// ----------------------------------------------------------------------------
// update chart dimensions
-void show_dimensions(void)
-{
+unsigned long long send_resource_usage_to_netdata() {
static struct timeval last = { 0, 0 };
static struct rusage me_last;
- struct target *w;
struct timeval now;
struct rusage me;
bcopy(&me, &me_last, sizeof(struct rusage));
}
- fprintf(stdout, "BEGIN apps.cpu %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec);
+ fprintf(stdout, "SET user = %llu\n", cpuuser);
+ fprintf(stdout, "SET system = %llu\n", cpusyst);
+ fprintf(stdout, "END\n");
+
+ fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec);
+ fprintf(stdout, "SET files = %llu\n", file_counter);
+ fprintf(stdout, "SET pids = %ld\n", all_pids_count);
+ fprintf(stdout, "SET fds = %d\n", all_files_len);
+ fprintf(stdout, "SET targets = %ld\n", apps_groups_targets);
+ fprintf(stdout, "END\n");
+
+ return usec;
+}
+
+void send_collected_data_to_netdata(struct target *root, const char *type, unsigned long long usec)
+{
+ struct target *w;
+
+ fprintf(stdout, "BEGIN %s.cpu %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->stime + w->fix_utime + w->fix_stime);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.cpu_user %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.cpu_user %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->fix_utime);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.cpu_system %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.cpu_system %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->stime + w->fix_stime);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.threads %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.threads %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->num_threads);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.processes %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.processes %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %lu\n", w->name, w->processes);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.mem %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.mem %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %lld\n", w->name, (long long)w->statm_resident - (long long)w->statm_share);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.minor_faults %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.minor_faults %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->minflt + w->fix_minflt);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.major_faults %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.major_faults %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->majflt + w->fix_majflt);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.lreads %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.lreads %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read + w->fix_io_logical_bytes_read);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.lwrites %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.lwrites %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written + w->fix_io_logical_bytes_written);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.preads %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.preads %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read + w->fix_io_storage_bytes_read);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.pwrites %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.pwrites %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written + w->fix_io_storage_bytes_written);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.files %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.files %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->openfiles);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.sockets %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.sockets %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->opensockets);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.pipes %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.pipes %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->openpipes);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec);
- fprintf(stdout, "SET user = %llu\n", cpuuser);
- fprintf(stdout, "SET system = %llu\n", cpusyst);
- fprintf(stdout, "END\n");
-
- fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec);
- fprintf(stdout, "SET files = %llu\n", file_counter);
- fprintf(stdout, "SET pids = %ld\n", all_pids_count);
- fprintf(stdout, "SET fds = %d\n", all_files_len);
- fprintf(stdout, "SET targets = %ld\n", targets);
- fprintf(stdout, "END\n");
-
fflush(stdout);
}
// ----------------------------------------------------------------------------
// generate the charts
-void show_charts(void)
+void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
{
struct target *w;
int newly_added = 0;
- for(w = target_root ; w ; w = w->next)
+ for(w = root ; w ; w = w->next)
if(!w->exposed && w->processes) {
newly_added++;
w->exposed = 1;
// we have something new to show
// update the charts
- fprintf(stdout, "CHART apps.cpu '' 'Apps CPU Time (%ld%% = %ld core%s)' 'cpu time %%' apps apps stacked 20001 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.cpu '' '%s CPU Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu %s\n", w->name, (unsigned long long)(Hertz), w->hidden?"hidden,noreset":"noreset");
+ fprintf(stdout, "DIMENSION %s '' incremental 100 %llu %s\n", w->name, Hertz, w->hidden ? "hidden,noreset" : "noreset");
}
- fprintf(stdout, "CHART apps.mem '' 'Apps Dedicated Memory (w/o shared)' 'MB' apps apps stacked 20003 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.mem '' '%s Dedicated Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute %ld %ld noreset\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
}
- fprintf(stdout, "CHART apps.threads '' 'Apps Threads' 'threads' apps apps stacked 20005 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20005 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.processes '' 'Apps Processes' 'processes' apps apps stacked 20004 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20004 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.cpu_user '' 'Apps CPU User Time (%ld%% = %ld core%s)' 'cpu time %%' apps none stacked 20020 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.cpu_user '' '%s CPU User Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
}
- fprintf(stdout, "CHART apps.cpu_system '' 'Apps CPU System Time (%ld%% = %ld core%s)' 'cpu time %%' apps none stacked 20021 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.cpu_system '' '%s CPU System Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
}
- fprintf(stdout, "CHART apps.major_faults '' 'Apps Major Page Faults (swaps in)' 'page faults/s' apps apps stacked 20010 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.major_faults '' '%s Major Page Faults (swap read)' 'page faults/s' swap %s.major_faults stacked 20010 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.minor_faults '' 'Apps Minor Page Faults' 'page faults/s' apps none stacked 20011 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.minor_faults '' '%s Minor Page Faults' 'page faults/s' mem %s.minor_faults stacked 20011 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.lreads '' 'Apps Disk Logical Reads' 'kilobytes/s' apps none stacked 20042 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.lwrites '' 'Apps I/O Logical Writes' 'kilobytes/s' apps none stacked 20042 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.preads '' 'Apps Disk Reads' 'kilobytes/s' apps apps stacked 20002 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.pwrites '' 'Apps Disk Writes' 'kilobytes/s' apps apps stacked 20002 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.files '' 'Apps Open Files' 'open files' apps apps stacked 20050 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.sockets '' 'Apps Open Sockets' 'open sockets' apps apps stacked 20051 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.pipes '' 'Apps Pipes' 'open pipes' apps none stacked 20053 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
-
- fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' netdata netdata stacked 10000 %d\n", update_every);
- fprintf(stdout, "DIMENSION user '' incremental 1 %d\n", 1000);
- fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000);
-
- fprintf(stdout, "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' netdata netdata line 10001 %d\n", update_every);
- fprintf(stdout, "DIMENSION files '' incremental 1 1\n");
- fprintf(stdout, "DIMENSION pids '' absolute 1 1\n");
- fprintf(stdout, "DIMENSION fds '' absolute 1 1\n");
- fprintf(stdout, "DIMENSION targets '' absolute 1 1\n");
-
- fflush(stdout);
}
if(freq > 0) update_every = freq;
if(!name) name = "groups";
- if(read_process_groups(name)) {
+ if(read_apps_groups_conf(name)) {
error("Cannot read process groups %s", name);
exit(1);
}
}
+unsigned long long sutime() {
+ struct timeval now;
+ gettimeofday(&now, NULL);
+ return now.tv_sec * 1000000ULL + now.tv_usec;
+}
+
int main(int argc, char **argv)
{
// debug_flags = D_PROCFILE;
// set the name for logging
program_name = "apps.plugin";
+ host_prefix = getenv("NETDATA_HOST_PREFIX");
+ if(host_prefix == NULL) {
+ info("NETDATA_HOST_PREFIX is not passed from netdata");
+ host_prefix = "";
+ }
+ else info("Found NETDATA_HOST_PREFIX='%s'", host_prefix);
+
+ config_dir = getenv("NETDATA_CONFIG_DIR");
+ if(config_dir == NULL) {
+ info("NETDATA_CONFIG_DIR is not passed from netdata");
+ config_dir = CONFIG_DIR;
+ }
+ else info("Found NETDATA_CONFIG_DIR='%s'", config_dir);
+
info("starting...");
procfile_adaptive_initial_allocation = 1;
- unsigned long started_t = time(NULL), current_t;
- Hertz = get_hertz();
- pid_max = get_pid_max();
- processors = get_processors();
+ time_t started_t = time(NULL);
+ time_t current_t;
+ Hertz = get_system_hertz();
+ pid_max = get_system_pid_max();
+ processors = get_system_cpus();
parse_args(argc, argv);
- all_pids = calloc(sizeof(struct pid_stat *), pid_max);
+ all_pids = calloc(sizeof(struct pid_stat *), (size_t) pid_max);
if(!all_pids) {
error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
printf("DISABLE\n");
exit(1);
}
- unsigned long long counter = 1;
- unsigned long long usec = 0, susec = 0;
- struct timeval last, now;
- gettimeofday(&last, NULL);
+ fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %d\n", update_every);
+ fprintf(stdout, "DIMENSION user '' incremental 1 %d\n", 1000);
+ fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000);
+
+ fprintf(stdout, "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %d\n", update_every);
+ fprintf(stdout, "DIMENSION files '' incremental 1 1\n");
+ fprintf(stdout, "DIMENSION pids '' absolute 1 1\n");
+ fprintf(stdout, "DIMENSION fds '' absolute 1 1\n");
+ fprintf(stdout, "DIMENSION targets '' absolute 1 1\n");
+
+#ifndef PROFILING_MODE
+ unsigned long long sunext = (time(NULL) - (time(NULL) % update_every) + update_every) * 1000000ULL;
+ unsigned long long sunow;
+#endif /* PROFILING_MODE */
+
+ unsigned long long counter = 1;
for(;1; counter++) {
- if(!update_from_proc()) {
- error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
+#ifndef PROFILING_MODE
+ // delay until it is our time to run
+ while((sunow = sutime()) < sunext)
+ usleep((useconds_t)(sunext - sunow));
+
+ // find the next time we need to run
+ while(sutime() > sunext)
+ sunext += update_every * 1000000ULL;
+#endif /* PROFILING_MODE */
+
+ if(!collect_data_for_all_processes_from_proc()) {
+ error("Cannot collect /proc data for running processes. Disabling apps.plugin...");
printf("DISABLE\n");
exit(1);
}
- update_statistics();
- show_charts(); // this is smart enough to show only newly added apps, when needed
- show_dimensions();
+ calculate_netdata_statistics();
- if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
- fflush(NULL);
+ unsigned long long dt = send_resource_usage_to_netdata();
- gettimeofday(&now, NULL);
- usec = usecdiff(&now, &last) - susec;
- if(debug) fprintf(stderr, "apps.plugin: last loop took %llu usec (worked for %llu, sleeped for %llu).\n", usec + susec, usec, susec);
+ // this is smart enough to show only newly added apps, when needed
+ send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps");
+ send_charts_updates_to_netdata(users_root_target, "users", "Users");
+ send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups");
- // if the last loop took less than half the time
- // wait the rest of the time
- if(usec < (update_every * 1000000ULL / 2)) susec = (update_every * 1000000ULL) - usec;
- else susec = update_every * 1000000ULL / 2;
+ send_collected_data_to_netdata(apps_groups_root_target, "apps", dt);
+ send_collected_data_to_netdata(users_root_target, "users", dt);
+ send_collected_data_to_netdata(groups_root_target, "groups", dt);
- usleep(susec);
- bcopy(&now, &last, sizeof(struct timeval));
+ if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
+ fflush(NULL);
current_t = time(NULL);
- if(current_t - started_t > 3600) exit(0);
+
+#ifndef PROFILING_MODE
+ // restart check (14400 seconds)
+ if(current_t - started_t > 14400) exit(0);
+#else
+ if(current_t - started_t > 10) exit(0);
+#endif /* PROFILING_MODE */
}
}
projects / netdata.git / blobdiff