-// TODO
-//
-// 1. support -ch option to set global /proc and /sys prefix
-// 2. disable RESET_OR_OVERFLOW check in charts
-
-
-#define __STDC_FORMAT_MACROS
-#include <inttypes.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-
-#include <sys/resource.h>
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <stdarg.h>
-#include <locale.h>
-#include <ctype.h>
-#include <fcntl.h>
-
-#include <malloc.h>
-#include <inttypes.h>
-#include <dirent.h>
-#include <arpa/inet.h>
-
-#include "../common.h"
-#include "../log.h"
-#include "../avl.h"
-#include "../procfile.h"
-
-#define MAX_COMPARE_NAME 15
-#define MAX_NAME 100
-
-unsigned long long Hertz = 1;
-
-long processors = 1;
-long pid_max = 32768;
-int debug = 0;
-
-int update_every = 1;
-unsigned long long file_counter = 0;
-
-#define PROC_BUFFER 4096
-
-// ----------------------------------------------------------------------------
-// memory debugger
-
-struct allocations {
- size_t allocations;
- size_t allocated;
- size_t allocated_max;
-} allocations = { 0, 0, 0 };
-
-#define MALLOC_MARK (uint32_t)(0x0BADCAFE)
-#define MALLOC_PREFIX (sizeof(uint32_t) * 2)
-#define MALLOC_SUFFIX (sizeof(uint32_t))
-#define MALLOC_OVERHEAD (MALLOC_PREFIX + MALLOC_SUFFIX)
-
-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;
-
- 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);
-}
-
-void *check_allocation(const char *file, int line, const char *function, void *marked_ptr, size_t *size_without_overheads_ptr) {
- uint32_t *real_ptr = (uint32_t *)(marked_ptr - MALLOC_PREFIX);
-
- // fprintf(stderr, "MEMORY_POINTER: Checking pointer at %p, real %p for %s/%u@%s.\n", marked_ptr, (void *)(marked_ptr - MALLOC_PREFIX), function, line, file);
-
- if(real_ptr[0] != MALLOC_MARK) fatal("MEMORY: prefix MARK is not valid for %s/%u@%s.", function, line, file);
-
- size_t size = real_ptr[1];
-
- uint32_t *end_ptr = (uint32_t *)(marked_ptr + size);
- if(end_ptr[0] != MALLOC_MARK) fatal("MEMORY: suffix MARK of allocation with size %zu is not valid for %s/%u@%s.", size, function, line, file);
-
- if(size_without_overheads_ptr) *size_without_overheads_ptr = size;
-
- return real_ptr;
-}
-
-void *malloc_debug(const char *file, int line, const char *function, size_t size) {
- void *ptr = malloc(size + MALLOC_OVERHEAD);
- if(!ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
-
- allocations.allocated += size;
- allocations.allocations++;
-
- debug(D_MEMORY, "MEMORY: Allocated %zu bytes for %s/%u@%s."
- " Status: allocated %zu in %zu allocs."
- , size
- , function, line, file
- , allocations.allocated
- , allocations.allocations
- );
-
- if(allocations.allocated > allocations.allocated_max) {
- debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
- allocations.allocated_max = allocations.allocated;
- }
-
- size_t csize;
- check_allocation(file, line, function, mark_allocation(ptr, size), &csize);
- if(size != csize) {
- fatal("Invalid size.");
- }
-
- return mark_allocation(ptr, size);
-}
-
-void *calloc_debug(const char *file, int line, const char *function, size_t nmemb, size_t size) {
- void *ptr = malloc_debug(file, line, function, (nmemb * size));
- bzero(ptr, nmemb * size);
- return ptr;
-}
-
-void free_debug(const char *file, int line, const char *function, void *ptr) {
- size_t size;
- void *real_ptr = check_allocation(file, line, function, ptr, &size);
-
- bzero(real_ptr, size + MALLOC_OVERHEAD);
-
- free(real_ptr);
- allocations.allocated -= size;
- allocations.allocations--;
-
- debug(D_MEMORY, "MEMORY: freed %zu bytes for %s/%u@%s."
- " Status: allocated %zu in %zu allocs."
- , size
- , function, line, file
- , allocations.allocated
- , allocations.allocations
- );
-}
-
-void *realloc_debug(const char *file, int line, const char *function, void *ptr, size_t size) {
- if(!ptr) return malloc_debug(file, line, function, size);
- if(!size) { free_debug(file, line, function, ptr); return NULL; }
-
- size_t old_size;
- void *real_ptr = check_allocation(file, line, function, ptr, &old_size);
-
- void *new_ptr = realloc(real_ptr, size + MALLOC_OVERHEAD);
- if(!new_ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
-
- allocations.allocated += size;
- allocations.allocated -= old_size;
-
- debug(D_MEMORY, "MEMORY: Re-allocated from %zu to %zu bytes for %s/%u@%s."
- " Status: allocated %z in %zu allocs."
- , old_size, size
- , function, line, file
- , allocations.allocated
- , allocations.allocations
- );
-
- if(allocations.allocated > allocations.allocated_max) {
- debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
- allocations.allocated_max = allocations.allocated;
- }
-
- return mark_allocation(new_ptr, size);
-}
-
-char *strdup_debug(const char *file, int line, const char *function, const char *ptr) {
- size_t size = 0;
- const char *s = ptr;
-
- while(*s++) size++;
- size++;
-
- char *p = malloc_debug(file, line, function, size);
- if(!p) fatal("Cannot allocate %zu bytes.", size);
-
- memcpy(p, ptr, size);
- return p;
-}
-
-#define malloc(size) malloc_debug(__FILE__, __LINE__, __FUNCTION__, (size))
-#define calloc(nmemb, size) calloc_debug(__FILE__, __LINE__, __FUNCTION__, (nmemb), (size))
-#define realloc(ptr, size) realloc_debug(__FILE__, __LINE__, __FUNCTION__, (ptr), (size))
-#define free(ptr) free_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
-
-#ifdef strdup
-#undef strdup
-#endif
-#define strdup(ptr) strdup_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
-
-// ----------------------------------------------------------------------------
-// helper functions
-
-procfile *ff = NULL;
-
-long get_processors(void) {
- int processors = 0;
-
- ff = procfile_reopen(ff, "/proc/stat", "", PROCFILE_FLAG_DEFAULT);
- if(!ff) return 1;
-
- ff = procfile_readall(ff);
- if(!ff) {
- // procfile_close(ff);
- return 1;
- }
-
- unsigned int i;
- for(i = 0; i < procfile_lines(ff); i++) {
- if(!procfile_linewords(ff, i)) continue;
-
- if(strncmp(procfile_lineword(ff, i, 0), "cpu", 3) == 0) processors++;
- }
- processors--;
- if(processors < 1) processors = 1;
-
- // procfile_close(ff);
- return processors;
-}
-
-long get_pid_max(void) {
- long mpid = 32768;
-
- ff = procfile_reopen(ff, "/proc/sys/kernel/pid_max", "", PROCFILE_FLAG_DEFAULT);
- if(!ff) return mpid;
-
- ff = procfile_readall(ff);
- if(!ff) {
- // procfile_close(ff);
- return mpid;
- }
-
- mpid = atol(procfile_lineword(ff, 0, 0));
- if(mpid) mpid = 32768;
-
- // procfile_close(ff);
- return mpid;
-}
-
-unsigned long long get_hertz(void)
-{
- unsigned long long hz = 1;
-
-#ifdef _SC_CLK_TCK
- if((hz = sysconf(_SC_CLK_TCK)) > 0) {
- return hz;
- }
-#endif
-
-#ifdef HZ
- hz = (unsigned long long)HZ; /* <asm/param.h> */
-#else
- /* 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
-
- error("Unknown HZ value. Assuming %llu.", hz);
- return hz;
-}
-
-
-// ----------------------------------------------------------------------------
-// target
-// target is the point to aggregate a process tree values
-
-struct target {
- char compare[MAX_COMPARE_NAME + 1];
- char id[MAX_NAME + 1];
- char name[MAX_NAME + 1];
-
- unsigned long long minflt;
- unsigned long long cminflt;
- unsigned long long majflt;
- unsigned long long cmajflt;
- unsigned long long utime;
- unsigned long long stime;
- unsigned long long cutime;
- unsigned long long cstime;
- unsigned long long num_threads;
- unsigned long long rss;
-
- unsigned long long fix_minflt;
- unsigned long long fix_cminflt;
- unsigned long long fix_majflt;
- unsigned long long fix_cmajflt;
- unsigned long long fix_utime;
- unsigned long long fix_stime;
- unsigned long long fix_cutime;
- unsigned long long fix_cstime;
-
- unsigned long long statm_size;
- unsigned long long statm_resident;
- unsigned long long statm_share;
- unsigned long long statm_text;
- unsigned long long statm_lib;
- unsigned long long statm_data;
- unsigned long long statm_dirty;
-
- unsigned long long io_logical_bytes_read;
- unsigned long long io_logical_bytes_written;
- unsigned long long io_read_calls;
- unsigned long long io_write_calls;
- unsigned long long io_storage_bytes_read;
- unsigned long long io_storage_bytes_written;
- unsigned long long io_cancelled_write_bytes;
-
- unsigned long long fix_io_logical_bytes_read;
- unsigned long long fix_io_logical_bytes_written;
- unsigned long long fix_io_read_calls;
- unsigned long long fix_io_write_calls;
- unsigned long long fix_io_storage_bytes_read;
- unsigned long long fix_io_storage_bytes_written;
- unsigned long long fix_io_cancelled_write_bytes;
-
- int *fds;
- unsigned long long openfiles;
- unsigned long long openpipes;
- unsigned long long opensockets;
- unsigned long long openinotifies;
- unsigned long long openeventfds;
- unsigned long long opentimerfds;
- unsigned long long opensignalfds;
- unsigned long long openeventpolls;
- unsigned long long openother;
-
- unsigned long processes; // how many processes have been merged to this
- int exposed; // if set, we have sent this to netdata
- 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 *next;
-} *target_root = NULL, *default_target = NULL;
-
-long 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)
-{
- const char *nid = id;
- if(nid[0] == '-') nid++;
-
- struct target *w;
- for(w = target_root ; w ; w = w->next)
- if(strncmp(nid, w->id, MAX_NAME) == 0) return w;
-
- w = calloc(sizeof(struct target), 1);
- if(!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);
- if(id[0] == '-') w->hidden = 1;
-
- w->target = target;
-
- w->next = target_root;
- target_root = 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:"");
-
- return w;
-}
-
-// read the process groups file
-int read_process_groups(const char *name)
-{
- char buffer[4096+1];
- char filename[FILENAME_MAX + 1];
-
- snprintf(filename, FILENAME_MAX, "%s/apps_%s.conf", CONFIG_DIR, name);
-
- if(debug) fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
- FILE *fp = fopen(filename, "r");
- if(!fp) {
- error("Cannot open file '%s' (%s)", filename, strerror(errno));
- return 1;
- }
-
- long line = 0;
- while(fgets(buffer, 4096, fp) != NULL) {
- int whidden = 0, wdebug = 0;
- line++;
-
- // if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", buffer);
-
- char *s = buffer, *t, *p;
- s = trim(s);
- if(!s || !*s || *s == '#') continue;
-
- if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", s);
-
- // the target name
- t = strsep(&s, ":");
- if(t) t = trim(t);
- if(!t || !*t) continue;
-
- while(t[0]) {
- int stop = 1;
-
- switch(t[0]) {
- case '-':
- stop = 0;
- whidden = 1;
- t++;
- break;
-
- case '+':
- stop = 0;
- wdebug = 1;
- t++;
- break;
- }
-
- if(stop) break;
- }
-
- if(debug) fprintf(stderr, "apps.plugin: \t\ttarget %s\n", t);
-
- struct target *w = NULL;
- long count = 0;
-
- // the process names
- while((p = strsep(&s, " "))) {
- p = trim(p);
- if(!p || !*p) continue;
-
- struct target *n = get_target(p, w);
- n->hidden = whidden;
- n->debug = wdebug;
- if(!w) w = n;
-
- count++;
- }
-
- if(w) strncpy(w->name, t, MAX_NAME);
- if(!count) error("The line %ld on file '%s', for group '%s' does not state any process names.", line, filename, t);
- }
- 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);
-
- return 0;
-}
-
-
-// ----------------------------------------------------------------------------
-// data to store for each pid
-// see: man proc
-
-struct pid_stat {
- int32_t pid;
- char comm[MAX_COMPARE_NAME + 1];
- // char state;
- int32_t ppid;
- // int32_t pgrp;
- // int32_t session;
- // int32_t tty_nr;
- // int32_t tpgid;
- // uint64_t flags;
- unsigned long long minflt;
- unsigned long long cminflt;
- unsigned long long majflt;
- unsigned long long cmajflt;
- unsigned long long utime;
- unsigned long long stime;
- unsigned long long cutime;
- unsigned long long cstime;
- // int64_t priority;
- // int64_t nice;
- int32_t num_threads;
- // int64_t itrealvalue;
- // unsigned long long starttime;
- // unsigned long long vsize;
- unsigned long long rss;
- // unsigned long long rsslim;
- // unsigned long long starcode;
- // unsigned long long endcode;
- // unsigned long long startstack;
- // unsigned long long kstkesp;
- // unsigned long long kstkeip;
- // uint64_t signal;
- // uint64_t blocked;
- // uint64_t sigignore;
- // uint64_t sigcatch;
- // uint64_t wchan;
- // uint64_t nswap;
- // uint64_t cnswap;
- // int32_t exit_signal;
- // int32_t processor;
- // uint32_t rt_priority;
- // uint32_t policy;
- // unsigned long long delayacct_blkio_ticks;
- // uint64_t guest_time;
- // int64_t cguest_time;
-
- unsigned long long statm_size;
- unsigned long long statm_resident;
- unsigned long long statm_share;
- unsigned long long statm_text;
- unsigned long long statm_lib;
- unsigned long long statm_data;
- unsigned long long statm_dirty;
-
- unsigned long long io_logical_bytes_read;
- unsigned long long io_logical_bytes_written;
- unsigned long long io_read_calls;
- unsigned long long io_write_calls;
- unsigned long long io_storage_bytes_read;
- unsigned long long io_storage_bytes_written;
- unsigned long long io_cancelled_write_bytes;
-
-#ifdef INCLUDE_CHILDS
- unsigned long long old_utime;
- unsigned long long old_stime;
- unsigned long long old_minflt;
- unsigned long long old_majflt;
-
- unsigned long long old_cutime;
- unsigned long long old_cstime;
- unsigned long long old_cminflt;
- unsigned long long old_cmajflt;
-
- unsigned long long fix_cutime;
- unsigned long long fix_cstime;
- unsigned long long fix_cminflt;
- unsigned long long fix_cmajflt;
-
- unsigned long long diff_cutime;
- unsigned long long diff_cstime;
- unsigned long long diff_cminflt;
- unsigned long long diff_cmajflt;
-#endif
-
- 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 new_entry;
- struct target *target;
- struct pid_stat *parent;
- struct pid_stat *prev;
- struct pid_stat *next;
-} *root_of_pids = NULL, **all_pids;
-
-long all_pids_count = 0;
-
-struct pid_stat *get_pid_entry(pid_t pid)
-{
- if(all_pids[pid]) {
- all_pids[pid]->new_entry = 0;
- return all_pids[pid];
- }
-
- all_pids[pid] = calloc(sizeof(struct pid_stat), 1);
- if(!all_pids[pid]) {
- error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct pid_stat));
- return NULL;
- }
-
- all_pids[pid]->fds = calloc(sizeof(int), 100);
- if(!all_pids[pid]->fds)
- error("Cannot allocate %ld bytes of memory", (unsigned long)(sizeof(int) * 100));
- else all_pids[pid]->fds_size = 100;
-
- if(root_of_pids) root_of_pids->prev = all_pids[pid];
- all_pids[pid]->next = root_of_pids;
- root_of_pids = all_pids[pid];
-
- all_pids[pid]->pid = pid;
- all_pids[pid]->new_entry = 1;
-
- return all_pids[pid];
-}
-
-void del_pid_entry(pid_t pid)
-{
- if(!all_pids[pid]) return;
-
- if(debug) fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
-
- if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next;
- if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
- if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next;
-
- if(all_pids[pid]->fds) free(all_pids[pid]->fds);
- free(all_pids[pid]);
- all_pids[pid] = NULL;
-}
-
-
-// ----------------------------------------------------------------------------
-// update pids from proc
-
-int read_proc_pid_stat(struct pid_stat *p) {
- char filename[FILENAME_MAX + 1];
-
- snprintf(filename, FILENAME_MAX, "/proc/%d/stat", p->pid);
-
- ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
- if(!ff) return 1;
-
- ff = procfile_readall(ff);
- if(!ff) {
- // procfile_close(ff);
- return 1;
- }
-
- file_counter++;
-
- p->comm[0] = '\0';
- p->comm[MAX_COMPARE_NAME] = '\0';
- size_t blen = 0;
-
- char *s = procfile_lineword(ff, 0, 1);
- if(*s == '(') s++;
- size_t len = strlen(s);
- unsigned int i = 0;
- while(len && s[len - 1] != ')') {
- if(blen < MAX_COMPARE_NAME) {
- strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
- blen = strlen(p->comm);
- }
-
- i++;
- s = procfile_lineword(ff, 0, 1+i);
- len = strlen(s);
- }
- if(len && s[len - 1] == ')') s[len - 1] = '\0';
- if(blen < MAX_COMPARE_NAME)
- strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
-
- // 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->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->tpgid = atol(procfile_lineword(ff, 0, 7+i));
- // p->flags = strtoull(procfile_lineword(ff, 0, 8+i), NULL, 10);
- p->minflt = strtoull(procfile_lineword(ff, 0, 9+i), NULL, 10);
- p->cminflt = strtoull(procfile_lineword(ff, 0, 10+i), NULL, 10);
- p->majflt = strtoull(procfile_lineword(ff, 0, 11+i), NULL, 10);
- p->cmajflt = strtoull(procfile_lineword(ff, 0, 12+i), NULL, 10);
- p->utime = strtoull(procfile_lineword(ff, 0, 13+i), NULL, 10);
- p->stime = strtoull(procfile_lineword(ff, 0, 14+i), NULL, 10);
- p->cutime = strtoull(procfile_lineword(ff, 0, 15+i), NULL, 10);
- 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->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);
- p->rss = strtoull(procfile_lineword(ff, 0, 23+i), NULL, 10);
- // p->rsslim = strtoull(procfile_lineword(ff, 0, 24+i), NULL, 10);
- // p->starcode = strtoull(procfile_lineword(ff, 0, 25+i), NULL, 10);
- // p->endcode = strtoull(procfile_lineword(ff, 0, 26+i), NULL, 10);
- // p->startstack = strtoull(procfile_lineword(ff, 0, 27+i), NULL, 10);
- // p->kstkesp = strtoull(procfile_lineword(ff, 0, 28+i), NULL, 10);
- // p->kstkeip = strtoull(procfile_lineword(ff, 0, 29+i), NULL, 10);
- // p->signal = strtoull(procfile_lineword(ff, 0, 30+i), NULL, 10);
- // p->blocked = strtoull(procfile_lineword(ff, 0, 31+i), NULL, 10);
- // p->sigignore = strtoull(procfile_lineword(ff, 0, 32+i), NULL, 10);
- // p->sigcatch = strtoull(procfile_lineword(ff, 0, 33+i), NULL, 10);
- // p->wchan = strtoull(procfile_lineword(ff, 0, 34+i), NULL, 10);
- // p->nswap = strtoull(procfile_lineword(ff, 0, 35+i), NULL, 10);
- // p->cnswap = strtoull(procfile_lineword(ff, 0, 36+i), NULL, 10);
- // p->exit_signal = atol(procfile_lineword(ff, 0, 37+i));
- // p->processor = atol(procfile_lineword(ff, 0, 38+i));
- // p->rt_priority = strtoul(procfile_lineword(ff, 0, 39+i), NULL, 10);
- // p->policy = strtoul(procfile_lineword(ff, 0, 40+i), NULL, 10);
- // p->delayacct_blkio_ticks = strtoull(procfile_lineword(ff, 0, 41+i), NULL, 10);
- // p->guest_time = strtoull(procfile_lineword(ff, 0, 42+i), NULL, 10);
- // p->cguest_time = strtoull(procfile_lineword(ff, 0, 43), NULL, 10);
-
- if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: VALUES: %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", p->comm, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
-
- // procfile_close(ff);
- return 0;
-}
-
-int read_proc_pid_statm(struct pid_stat *p) {
- char filename[FILENAME_MAX + 1];
-
- snprintf(filename, FILENAME_MAX, "/proc/%d/statm", p->pid);
-
- ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
- if(!ff) return 1;
-
- ff = procfile_readall(ff);
- if(!ff) {
- // procfile_close(ff);
- return 1;
- }
-
- file_counter++;
-
- p->statm_size = strtoull(procfile_lineword(ff, 0, 0), NULL, 10);
- p->statm_resident = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
- p->statm_share = strtoull(procfile_lineword(ff, 0, 2), NULL, 10);
- p->statm_text = strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
- p->statm_lib = strtoull(procfile_lineword(ff, 0, 4), NULL, 10);
- p->statm_data = strtoull(procfile_lineword(ff, 0, 5), NULL, 10);
- p->statm_dirty = strtoull(procfile_lineword(ff, 0, 6), NULL, 10);
-
- // procfile_close(ff);
- return 0;
-}
-
-int read_proc_pid_io(struct pid_stat *p) {
- char filename[FILENAME_MAX + 1];
-
- snprintf(filename, FILENAME_MAX, "/proc/%d/io", p->pid);
-
- ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
- if(!ff) return 1;
-
- ff = procfile_readall(ff);
- if(!ff) {
- // procfile_close(ff);
- return 1;
- }
-
- file_counter++;
-
- p->io_logical_bytes_read = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
- p->io_logical_bytes_written = strtoull(procfile_lineword(ff, 1, 1), NULL, 10);
- p->io_read_calls = strtoull(procfile_lineword(ff, 2, 1), NULL, 10);
- p->io_write_calls = strtoull(procfile_lineword(ff, 3, 1), NULL, 10);
- p->io_storage_bytes_read = strtoull(procfile_lineword(ff, 4, 1), NULL, 10);
- p->io_storage_bytes_written = strtoull(procfile_lineword(ff, 5, 1), NULL, 10);
- p->io_cancelled_write_bytes = strtoull(procfile_lineword(ff, 6, 1), NULL, 10);
-
- // procfile_close(ff);
- return 0;
-}
-
-
-// ----------------------------------------------------------------------------
-
-#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
-
-#define FILE_DESCRIPTORS_INCREASE_STEP 100
-
-struct file_descriptor {
- avl avl;
- uint32_t magic;
- uint32_t hash;
- const char *name;
- int type;
- long count;
- long pos;
-} *all_files = NULL;
-
-int all_files_len = 0;
-int all_files_size = 0;
-
-int file_descriptor_compare(void* a, void* b) {
- if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
- error("Corrupted index data detected. Please report this.");
-
- 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);
-}
-int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
-
-avl_tree all_files_index = {
- NULL,
- file_descriptor_compare
-};
-
-static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
- struct file_descriptor *result = NULL, tmp;
- tmp.hash = (hash)?hash:simple_hash(name);
- tmp.name = name;
- tmp.count = 0;
- tmp.pos = 0;
- tmp.magic = 0x0BADCAFE;
-
- avl_search(&all_files_index, (avl *)&tmp, file_descriptor_iterator, (avl **)&result);
- return result;
-}
-
-#define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
-#define file_descriptor_remove(fd) avl_remove(&all_files_index, (avl *)(fd))
-
-#define FILETYPE_OTHER 0
-#define FILETYPE_FILE 1
-#define FILETYPE_PIPE 2
-#define FILETYPE_SOCKET 3
-#define FILETYPE_INOTIFY 4
-#define FILETYPE_EVENTFD 5
-#define FILETYPE_EVENTPOLL 6
-#define FILETYPE_TIMERFD 7
-#define FILETYPE_SIGNALFD 8
-
-void file_descriptor_not_used(int id)
-{
- if(id > 0 && id < all_files_size) {
- if(all_files[id].magic != 0x0BADCAFE) {
- error("Ignoring request to remove empty file id %d.", id);
- return;
- }
-
- if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %ld).\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]);
- all_files[id].magic = 0x00000000;
- all_files_len--;
- }
- }
- else
- error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
- }
- 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)
-{
- static int last_pos = 0;
- uint32_t hash = simple_hash(name);
-
- if(debug) fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
-
- 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);
- fd->count++;
- return fd->pos;
- }
- // not found
-
- // check we have enough memory to add it
- if(!all_files || all_files_len == all_files_size) {
- void *old = all_files;
- int i;
-
- // there is no empty slot
- if(debug) fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
- all_files = realloc(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
-
- // if the address changed, we have to rebuild the index
- // since all pointers are now invalid
- if(old && old != (void *)all_files) {
- if(debug) fprintf(stderr, "apps.plugin: >> re-indexing.\n");
- all_files_index.root = NULL;
- for(i = 0; i < all_files_size; i++) {
- if(!all_files[i].count) continue;
- file_descriptor_add(&all_files[i]);
- }
- if(debug) fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
- }
-
- for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
- all_files[i].count = 0;
- all_files[i].name = NULL;
- all_files[i].magic = 0x00000000;
- all_files[i].pos = i;
- }
-
- if(!all_files_size) all_files_len = 1;
- all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
- }
-
- if(debug) fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
-
- // search for an empty slot
- int i, c;
- for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
- if(c >= all_files_size) c = 0;
- if(c == 0) continue;
-
- if(!all_files[c].count) {
- if(debug) fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
-
- 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);
-
- 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);
- all_files[c].name = NULL;
- last_pos = c;
- break;
- }
- }
- if(i == all_files_size) {
- fatal("We should find an empty slot, but there isn't any");
- exit(1);
- }
- if(debug) fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
-
- all_files_len++;
-
- // else we have an empty slot in 'c'
-
- int type = FILETYPE_OTHER;
- 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;
- else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY;
- else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD;
- else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
- else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
- else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
- else if(strncmp(name, "anon_inode:", 11) == 0) {
- if(debug) fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
- type = FILETYPE_OTHER;
- }
- else {
- if(debug) fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
- type = FILETYPE_OTHER;
- }
-
- all_files[c].name = strdup(name);
- all_files[c].hash = hash;
- all_files[c].type = type;
- all_files[c].pos = c;
- all_files[c].count = 1;
- all_files[c].magic = 0x0BADCAFE;
-
- 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;
-}
-
-
-// 1. read all files in /proc
-// 2. for each numeric directory:
-// i. read /proc/pid/stat
-// ii. read /proc/pid/statm
-// iii. read /proc/pid/io (requires root access)
-// iii. read the entries in directory /proc/pid/fd (requires root access)
-// for each entry:
-// a. find or create a struct file_descriptor
-// b. cleanup any old/unused file_descriptors
-
-// after all these, some pids may be linked to targets, while others may not
-
-// in case of errors, only 1 every 1000 errors is printed
-// to avoid filling up all disk space
-// if debug is enabled, all errors are printed
-
-int update_from_proc(void)
-{
- static long count_errors = 0;
-
- char filename[FILENAME_MAX+1];
- DIR *dir = opendir("/proc");
- if(!dir) return 0;
-
- struct dirent *file = NULL;
- struct pid_stat *p = NULL;
-
- // mark them all as un-updated
- all_pids_count = 0;
- for(p = root_of_pids; p ; p = p->next) {
- all_pids_count++;
- p->parent = NULL;
- p->updated = 0;
- p->childs = 0;
- p->merged = 0;
- p->new_entry = 0;
- }
-
- 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;
-
- p = get_pid_entry(pid);
- if(!p) continue;
-
- // --------------------------------------------------------------------
- // /proc/<pid>/stat
-
- if(read_proc_pid_stat(p)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot process /proc/%d/stat", pid);
-
- continue;
- }
- if(p->ppid < 0 || p->ppid > pid_max) 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);
-
- 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);
-
- continue;
- }
-
- // --------------------------------------------------------------------
- // link it
-
- // check if it is target
- // we do this only once, the first time this pid is loaded
- if(p->new_entry) {
- if(debug) fprintf(stderr, "apps.plugin: \tJust added %s\n", p->comm);
-
- struct target *w;
- for(w = target_root; 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->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);
- }
- }
- }
-
- // --------------------------------------------------------------------
- // /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;
- }
- }
-
- // --------------------------------------------------------------------
- // done!
-
- // mark it as updated
- p->updated = 1;
- }
- if(count_errors > 1000) {
- error("%ld more errors encountered\n", count_errors - 1);
- count_errors = 0;
- }
-
- closedir(dir);
-
- return 1;
-}
-
-
-// ----------------------------------------------------------------------------
-// update statistics on the targets
-
-// 1. link all childs to their parents
-// 2. go from bottom to top, marking as merged all childs to their parents
-// this step links all parents without a target to the child target, if any
-// 3. link all top level processes (the ones not merged) to the default target
-// 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
-// 8. remove all killed processes
-// 9. find the unique file count for each target
-
-void update_statistics(void)
-{
- int c;
- struct pid_stat *p = NULL;
-
- // link all parents and update childs count
- 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);
-
- 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;
-
- // 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);
- }
-
- found++;
- }
- }
- 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
- }
-
- // 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 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(p->updated) continue;
-
- if(debug) fprintf(stderr, "apps.plugin: UNMERGING %d %s\n", p->pid, p->comm);
-
- unsigned long long diff_utime = p->utime + p->cutime + p->fix_cutime;
- unsigned long long diff_stime = p->stime + p->cstime + p->fix_cstime;
- unsigned long long diff_minflt = p->minflt + p->cminflt + p->fix_cminflt;
- unsigned long long diff_majflt = p->majflt + p->cmajflt + p->fix_cmajflt;
-
- struct pid_stat *t = p;
- while((t = t->parent)) {
- if(!t->updated) continue;
-
- unsigned long long x;
- if(diff_utime && t->diff_cutime) {
- x = (t->diff_cutime < diff_utime)?t->diff_cutime:diff_utime;
- diff_utime -= x;
- t->diff_cutime -= x;
- t->fix_cutime += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cutime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
- }
- if(diff_stime && t->diff_cstime) {
- x = (t->diff_cstime < diff_stime)?t->diff_cstime:diff_stime;
- diff_stime -= x;
- t->diff_cstime -= x;
- t->fix_cstime += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cstime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
- }
- if(diff_minflt && t->diff_cminflt) {
- x = (t->diff_cminflt < diff_minflt)?t->diff_cminflt:diff_minflt;
- diff_minflt -= x;
- t->diff_cminflt -= x;
- t->fix_cminflt += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cminflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
- }
- if(diff_majflt && t->diff_cmajflt) {
- x = (t->diff_cmajflt < diff_majflt)?t->diff_cmajflt:diff_majflt;
- diff_majflt -= x;
- t->diff_cmajflt -= x;
- t->fix_cmajflt += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cmajflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
- }
- }
-
- if(diff_utime) error("Cannot fix up utime %llu", diff_utime);
- if(diff_stime) error("Cannot fix up stime %llu", diff_stime);
- if(diff_minflt) error("Cannot fix up minflt %llu", diff_minflt);
- if(diff_majflt) error("Cannot fix up majflt %llu", diff_majflt);
- }
-#endif
-
- // zero all the targets
- targets = 0;
- struct target *w;
- for (w = target_root; w ; w = w->next) {
- targets++;
-
- w->fds = calloc(sizeof(int), all_files_size);
- if(!w->fds)
- error("Cannot allocate memory for fds in %s", w->name);
-
- w->minflt = 0;
- w->majflt = 0;
- w->utime = 0;
- w->stime = 0;
- w->cminflt = 0;
- w->cmajflt = 0;
- w->cutime = 0;
- w->cstime = 0;
- w->num_threads = 0;
- w->rss = 0;
- w->processes = 0;
-
- w->statm_size = 0;
- w->statm_resident = 0;
- w->statm_share = 0;
- w->statm_text = 0;
- w->statm_lib = 0;
- w->statm_data = 0;
- w->statm_dirty = 0;
-
- w->io_logical_bytes_read = 0;
- w->io_logical_bytes_written = 0;
- w->io_read_calls = 0;
- w->io_write_calls = 0;
- w->io_storage_bytes_read = 0;
- w->io_storage_bytes_written = 0;
- w->io_cancelled_write_bytes = 0;
- }
-
-#ifdef INCLUDE_CHILDS
- if(debug) walk_down(0, 1);
-#endif
-
- // 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;
- }
-
- 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;
-
- 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;
-
- //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);
-
- p->target->num_threads += p->num_threads;
- p->target->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;
-
- 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;
-
- p->target->processes++;
-
- 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]]++;
- }
- 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);
-*/
-#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;
- }
- }
-
-// 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;
- }
-
- pid_t r = p->pid;
- p = p->next;
- del_pid_entry(r);
- }
- else p = p->next;
- }
-
- for (w = target_root; w ; w = w->next) {
- w->openfiles = 0;
- w->openpipes = 0;
- w->opensockets = 0;
- w->openinotifies = 0;
- w->openeventfds = 0;
- w->opentimerfds = 0;
- w->opensignalfds = 0;
- w->openeventpolls = 0;
- w->openother = 0;
-
- for(c = 1; c < all_files_size ;c++) {
- if(w->fds && w->fds[c] > 0) switch(all_files[c].type) {
- case FILETYPE_FILE:
- w->openfiles++;
- break;
-
- case FILETYPE_PIPE:
- w->openpipes++;
- break;
-
- case FILETYPE_SOCKET:
- w->opensockets++;
- break;
-
- case FILETYPE_INOTIFY:
- w->openinotifies++;
- break;
-
- case FILETYPE_EVENTFD:
- w->openeventfds++;
- break;
-
- case FILETYPE_TIMERFD:
- w->opentimerfds++;
- break;
-
- case FILETYPE_SIGNALFD:
- w->opensignalfds++;
- break;
-
- case FILETYPE_EVENTPOLL:
- w->openeventpolls++;
- break;
-
- default:
- w->openother++;
- }
- }
-
- free(w->fds);
- w->fds = NULL;
- }
-}
-
-// ----------------------------------------------------------------------------
-// update chart dimensions
-
-void show_dimensions(void)
-{
- static struct timeval last = { 0, 0 };
- static struct rusage me_last;
-
- struct target *w;
- struct timeval now;
- struct rusage me;
-
- unsigned long long usec;
- unsigned long long cpuuser;
- unsigned long long cpusyst;
-
- if(!last.tv_sec) {
- gettimeofday(&last, NULL);
- getrusage(RUSAGE_SELF, &me_last);
-
- // the first time, give a zero to allow
- // netdata calibrate to the current time
- // usec = update_every * 1000000ULL;
- usec = 0ULL;
- cpuuser = 0;
- cpusyst = 0;
- }
- else {
- gettimeofday(&now, NULL);
- getrusage(RUSAGE_SELF, &me);
-
- usec = usecdiff(&now, &last);
- cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec;
- cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec;
-
- bcopy(&now, &last, sizeof(struct timeval));
- bcopy(&me, &me_last, sizeof(struct rusage));
- }
-
- fprintf(stdout, "BEGIN apps.cpu %llu\n", usec);
- for (w = target_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) {
- 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) {
- 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) {
- 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) {
- 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) {
- 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) {
- 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) {
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read);
- }
- fprintf(stdout, "END\n");
-
- fprintf(stdout, "BEGIN apps.lwrites %llu\n", usec);
- for (w = target_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, "END\n");
-
- fprintf(stdout, "BEGIN apps.preads %llu\n", usec);
- for (w = target_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, "END\n");
-
- fprintf(stdout, "BEGIN apps.pwrites %llu\n", usec);
- for (w = target_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, "END\n");
-
- fprintf(stdout, "BEGIN apps.files %llu\n", usec);
- for (w = target_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) {
- 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) {
- 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)
-{
- struct target *w;
- int newly_added = 0;
-
- for(w = target_root ; w ; w = w->next)
- if(!w->exposed && w->processes) {
- newly_added++;
- w->exposed = 1;
- if(debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
- }
-
- // nothing more to show
- if(!newly_added) return;
-
- // 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu %s\n", w->name, (unsigned long long)(Hertz * update_every), w->hidden?"hidden":"");
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' absolute 1 1\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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' absolute 1 1\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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu\n", w->name, Hertz * processors * update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu\n", w->name, Hertz * processors * update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 1 %d\n", w->name, update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 1 %d\n", w->name, update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 1 %d\n", w->name, 1024 * update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 1 %d\n", w->name, 1024 * update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 1 %d\n", w->name, 1024 * update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' incremental 1 %d\n", w->name, 1024 * update_every);
- }
-
- 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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' absolute 1 1\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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' absolute 1 1\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) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- fprintf(stdout, "DIMENSION %s '' absolute 1 1\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 * update_every);
- fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000 * update_every);
-
- 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 %d\n", update_every);
- 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);
-}
-
-
-// ----------------------------------------------------------------------------
-// parse command line arguments
-
-void parse_args(int argc, char **argv)
-{
- int i, freq = 0;
- char *name = NULL;
-
- for(i = 1; i < argc; i++) {
- if(!freq) {
- int n = atoi(argv[i]);
- if(n > 0) {
- freq = n;
- continue;
- }
- }
-
- if(strcmp("debug", argv[i]) == 0) {
- debug = 1;
- debug_flags = 0xffffffff;
- continue;
- }
-
- if(!name) {
- name = argv[i];
- continue;
- }
-
- error("Cannot understand option %s", argv[i]);
- exit(1);
- }
-
- if(freq > 0) update_every = freq;
- if(!name) name = "groups";
-
- if(read_process_groups(name)) {
- error("Cannot read process groups %s", name);
- exit(1);
- }
-}
-
-int main(int argc, char **argv)
-{
- // debug_flags = D_PROCFILE;
-
- // set the name for logging
- program_name = "apps.plugin";
-
- 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();
-
- parse_args(argc, argv);
-
- all_pids = calloc(sizeof(struct pid_stat *), 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);
-
- for(;1; counter++) {
- if(!update_from_proc()) {
- error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
- printf("DISABLE\n");
- exit(1);
- }
-
- update_statistics();
- show_charts(); // this is smart enough to show only newly added apps, when needed
- show_dimensions();
-
- if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
- fflush(NULL);
-
- 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);
-
- // 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;
-
- usleep(susec);
- bcopy(&now, &last, sizeof(struct timeval));
-
- current_t = time(NULL);
- if(current_t - started_t > 3600) exit(0);
- }
-}