#define DISK_TYPE_PARTITION 2
#define DISK_TYPE_CONTAINER 3
-#ifndef NETDATA_RELOAD_MOUNTINFO_EVERY
-#define NETDATA_RELOAD_MOUNTINFO_EVERY 10
-#endif
+#define CONFIG_SECTION_DISKSTATS "plugin:proc:/proc/diskstats"
+#define DELAULT_EXLUDED_DISKS "loop* ram*"
static struct disk {
char *disk; // the name of the disk (sda, sdb, etc)
int type;
char *mount_point;
- uint32_t mount_point_hash;
// disk options caching
int configured;
int do_qops;
int do_util;
int do_backlog;
- int do_space;
- int do_inodes;
- struct disk *next;
-} *disk_root = NULL;
-
-static struct mountinfo *disk_mountinfo_root = NULL;
-
-static inline void mountinfo_reload(int force) {
- static time_t last_loaded = 0;
- time_t now = now_realtime_sec();
-
- if(force || now - last_loaded >= NETDATA_RELOAD_MOUNTINFO_EVERY) {
-//#ifdef NETDATA_INTERNAL_CHECKS
-// info("Reloading mountinfo");
-//#endif
-
- // mountinfo_free() can be called with NULL disk_mountinfo_root
- mountinfo_free(disk_mountinfo_root);
-
- // re-read mountinfo in case something changed
- disk_mountinfo_root = mountinfo_read();
-
- last_loaded = now;
- }
-}
-
-
-// linked list of mount points that are by default disabled
-static struct excluded_mount_point {
- const char *prefix;
- size_t len;
- struct excluded_mount_point *next;
-} *excluded_mount_points = NULL;
-
-static inline int is_mount_point_excluded(const char *mount_point) {
- static int initialized = 0;
-
- if(unlikely(!initialized)) {
- initialized = 1;
-
- char *a = config_get("plugin:proc:/proc/diskstats", "exclude space metrics on paths", "/proc/ /sys/ /var/run/user/ /run/user/");
- if(a && *a) {
- char *s = a;
-
- while(s && *s) {
- // skip all spaces
- while(isspace(*s)) s++;
-
- // empty string
- if(unlikely(!*s)) break;
-
- // find the next space
- char *c = s;
- while(*c && !isspace(*c)) c++;
-
- char *n;
- if(likely(*c)) n = c + 1;
- else n = NULL;
-
- // terminate our string
- *c = '\0';
-
- // allocate the structure
- struct excluded_mount_point *m = mallocz(sizeof(struct excluded_mount_point));
- m->prefix = strdup(s);
- m->len = strlen(m->prefix);
- m->next = excluded_mount_points;
- excluded_mount_points = m;
-
- // prepare for next loop
- s = n;
- if(likely(n)) *c = ' ';
- }
- }
- }
-
- size_t len = strlen(mount_point);
- struct excluded_mount_point *m;
- for(m = excluded_mount_points; m ; m = m->next) {
- if(m->len <= len) {
- // fprintf(stderr, "SPACE: comparing '%s' with '%s'\n", mount_point, m->prefix);
- if(unlikely(strncmp(m->prefix, mount_point, m->len) == 0)) {
- // fprintf(stderr, "SPACE: excluded '%s'\n", mount_point);
- return 1;
- }
- }
- }
-
- // fprintf(stderr, "SPACE: included '%s'\n", mount_point);
- return 0;
-}
-
-// Data to be stored in DICTIONARY mount_points used by do_disk_space_stats().
-// This DICTIONARY is used to lookup the settings of the mount point on each iteration.
-struct mount_point_metadata {
- int do_space;
- int do_inodes;
-};
+ int updated;
-static inline void do_disk_space_stats(struct mountinfo *mi, int update_every, usec_t dt) {
- (void)dt;
+ RRDSET *st_avgsz;
+ RRDSET *st_await;
+ RRDSET *st_backlog;
+ RRDSET *st_io;
+ RRDSET *st_iotime;
+ RRDSET *st_mops;
+ RRDSET *st_ops;
+ RRDSET *st_qops;
+ RRDSET *st_svctm;
+ RRDSET *st_util;
- const char *family = mi->mount_point;
- const char *disk = mi->persistent_id;
-
- static DICTIONARY *mount_points = NULL;
- int do_space, do_inodes;
-
- if(unlikely(!mount_points)) {
- mount_points = dictionary_create(DICTIONARY_FLAG_SINGLE_THREADED);
- }
-
- struct mount_point_metadata *m = dictionary_get(mount_points, mi->mount_point);
- if(unlikely(!m)) {
- char var_name[4096 + 1];
- snprintfz(var_name, 4096, "plugin:proc:/proc/diskstats:%s", mi->mount_point);
-
- int def_space = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "space usage for all disks", CONFIG_ONDEMAND_ONDEMAND);
- int def_inodes = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "inodes usage for all disks", CONFIG_ONDEMAND_ONDEMAND);
-
- if(unlikely(is_mount_point_excluded(mi->mount_point))) {
- def_space = CONFIG_ONDEMAND_NO;
- def_inodes = CONFIG_ONDEMAND_NO;
- }
-
- do_space = config_get_boolean_ondemand(var_name, "space usage", def_space);
- do_inodes = config_get_boolean_ondemand(var_name, "inodes usage", def_inodes);
-
- struct mount_point_metadata mp = {
- .do_space = do_space,
- .do_inodes = do_inodes
- };
-
- dictionary_set(mount_points, mi->mount_point, &mp, sizeof(struct mount_point_metadata));
- }
- else {
- do_space = m->do_space;
- do_inodes = m->do_inodes;
- }
-
- if(unlikely(do_space == CONFIG_ONDEMAND_NO && do_inodes == CONFIG_ONDEMAND_NO))
- return;
-
- struct statvfs buff_statvfs;
- if (statvfs(mi->mount_point, &buff_statvfs) < 0) {
- error("Failed statvfs() for '%s' (disk '%s')", mi->mount_point, disk);
- return;
- }
-
- // taken from get_fs_usage() found in coreutils
- unsigned long bsize = (buff_statvfs.f_frsize) ? buff_statvfs.f_frsize : buff_statvfs.f_bsize;
-
- fsblkcnt_t bavail = buff_statvfs.f_bavail;
- fsblkcnt_t btotal = buff_statvfs.f_blocks;
- fsblkcnt_t bavail_root = buff_statvfs.f_bfree;
- fsblkcnt_t breserved_root = bavail_root - bavail;
- fsblkcnt_t bused;
- if(likely(btotal >= bavail_root))
- bused = btotal - bavail_root;
- else
- bused = bavail_root - btotal;
-
-#ifdef NETDATA_INTERNAL_CHECKS
- if(unlikely(btotal != bavail + breserved_root + bused))
- error("Disk block statistics for '%s' (disk '%s') do not sum up: total = %llu, available = %llu, reserved = %llu, used = %llu", mi->mount_point, disk, (unsigned long long)btotal, (unsigned long long)bavail, (unsigned long long)breserved_root, (unsigned long long)bused);
-#endif
-
- // --------------------------------------------------------------------------
-
- fsfilcnt_t favail = buff_statvfs.f_favail;
- fsfilcnt_t ftotal = buff_statvfs.f_files;
- fsfilcnt_t favail_root = buff_statvfs.f_ffree;
- fsfilcnt_t freserved_root = favail_root - favail;
- fsfilcnt_t fused = ftotal - favail_root;
-
-#ifdef NETDATA_INTERNAL_CHECKS
- if(unlikely(btotal != bavail + breserved_root + bused))
- error("Disk inode statistics for '%s' (disk '%s') do not sum up: total = %llu, available = %llu, reserved = %llu, used = %llu", mi->mount_point, disk, (unsigned long long)ftotal, (unsigned long long)favail, (unsigned long long)freserved_root, (unsigned long long)fused);
-#endif
-
- // --------------------------------------------------------------------------
-
- RRDSET *st;
-
- if(do_space == CONFIG_ONDEMAND_YES || (do_space == CONFIG_ONDEMAND_ONDEMAND && (bavail || breserved_root || bused))) {
- st = rrdset_find_bytype("disk_space", disk);
- if(unlikely(!st)) {
- char title[4096 + 1];
- snprintfz(title, 4096, "Disk Space Usage for %s [%s]", family, mi->mount_source);
- st = rrdset_create("disk_space", disk, NULL, family, "disk.space", title, "GB", 2023, update_every, RRDSET_TYPE_STACKED);
-
- rrddim_add(st, "avail", NULL, bsize, 1024*1024*1024, RRDDIM_ABSOLUTE);
- rrddim_add(st, "used" , NULL, bsize, 1024*1024*1024, RRDDIM_ABSOLUTE);
- rrddim_add(st, "reserved_for_root", "reserved for root", bsize, 1024*1024*1024, RRDDIM_ABSOLUTE);
- }
- else rrdset_next(st);
-
- rrddim_set(st, "avail", (collected_number)bavail);
- rrddim_set(st, "used", (collected_number)bused);
- rrddim_set(st, "reserved_for_root", (collected_number)breserved_root);
- rrdset_done(st);
- }
-
- // --------------------------------------------------------------------------
+ struct disk *next;
+} *disk_root = NULL;
- if(do_inodes == CONFIG_ONDEMAND_YES || (do_inodes == CONFIG_ONDEMAND_ONDEMAND && (favail || freserved_root || fused))) {
- st = rrdset_find_bytype("disk_inodes", disk);
- if(unlikely(!st)) {
- char title[4096 + 1];
- snprintfz(title, 4096, "Disk Files (inodes) Usage for %s [%s]", family, mi->mount_source);
- st = rrdset_create("disk_inodes", disk, NULL, family, "disk.inodes", title, "Inodes", 2024, update_every, RRDSET_TYPE_STACKED);
-
- rrddim_add(st, "avail", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(st, "used" , NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(st, "reserved_for_root", "reserved for root", 1, 1, RRDDIM_ABSOLUTE);
- }
- else rrdset_next(st);
-
- rrddim_set(st, "avail", (collected_number)favail);
- rrddim_set(st, "used", (collected_number)fused);
- rrddim_set(st, "reserved_for_root", (collected_number)freserved_root);
- rrdset_done(st);
- }
-}
+#define rrdset_obsolete_and_pointer_null(st) do { if(st) { rrdset_flag_set(st, RRDSET_FLAG_OBSOLETE); st = NULL; } } while(st)
static struct disk *get_disk(unsigned long major, unsigned long minor, char *disk) {
static char path_to_get_hw_sector_size[FILENAME_MAX + 1] = "";
static char path_to_get_hw_sector_size_partitions[FILENAME_MAX + 1] = "";
static char path_find_block_device[FILENAME_MAX + 1] = "";
+ static struct mountinfo *disk_mountinfo_root = NULL;
+
struct disk *d;
// search for it in our RAM list.
// should not be that many, it should be acceptable
for(d = disk_root; d ; d = d->next)
if(unlikely(d->major == major && d->minor == minor))
- break;
-
- // if we found it, return it
- if(likely(d))
- return d;
+ return d;
// not found
// create a new disk structure
- d = (struct disk *)mallocz(sizeof(struct disk));
+ d = (struct disk *)callocz(1, sizeof(struct disk));
d->disk = strdupz(disk);
d->major = major;
// get the default path for finding info about the block device
if(unlikely(!path_find_block_device[0])) {
- snprintfz(buffer, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/dev/block/%lu:%lu/%s");
- snprintfz(path_find_block_device, FILENAME_MAX, "%s", config_get("plugin:proc:/proc/diskstats", "path to get block device infos", buffer));
+ snprintfz(buffer, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/dev/block/%lu:%lu/%s");
+ snprintfz(path_find_block_device, FILENAME_MAX, "%s", config_get(CONFIG_SECTION_DISKSTATS, "path to get block device infos", buffer));
}
// find if it is a partition
// mountinfo_find() can be called with NULL disk_mountinfo_root
struct mountinfo *mi = mountinfo_find(disk_mountinfo_root, d->major, d->minor);
-/* if(unlikely(!mi)) {
- mountinfo_reload(1);
-
- // search again for this disk
+ if(unlikely(!mi)) {
+ // mountinfo_free can be called with NULL
+ mountinfo_free(disk_mountinfo_root);
+ disk_mountinfo_root = mountinfo_read(0);
mi = mountinfo_find(disk_mountinfo_root, d->major, d->minor);
}
-*/
- if(unlikely(mi)) {
+
+ if(unlikely(mi))
d->mount_point = strdupz(mi->mount_point);
- d->mount_point_hash = mi->mount_point_hash;
- }
- else {
+ else
d->mount_point = NULL;
- d->mount_point_hash = 0;
- }
// ------------------------------------------------------------------------
// find the disk sector size
if(unlikely(!path_to_get_hw_sector_size[0])) {
- snprintfz(buffer, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/block/%s/queue/hw_sector_size");
- snprintfz(path_to_get_hw_sector_size, FILENAME_MAX, "%s", config_get("plugin:proc:/proc/diskstats", "path to get h/w sector size", buffer));
+ snprintfz(buffer, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/block/%s/queue/hw_sector_size");
+ snprintfz(path_to_get_hw_sector_size, FILENAME_MAX, "%s", config_get(CONFIG_SECTION_DISKSTATS, "path to get h/w sector size", buffer));
}
if(unlikely(!path_to_get_hw_sector_size_partitions[0])) {
- snprintfz(buffer, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/dev/block/%lu:%lu/subsystem/%s/../queue/hw_sector_size");
- snprintfz(path_to_get_hw_sector_size_partitions, FILENAME_MAX, "%s", config_get("plugin:proc:/proc/diskstats", "path to get h/w sector size for partitions", buffer));
+ snprintfz(buffer, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/dev/block/%lu:%lu/subsystem/%s/../queue/hw_sector_size");
+ snprintfz(path_to_get_hw_sector_size_partitions, FILENAME_MAX, "%s", config_get(CONFIG_SECTION_DISKSTATS, "path to get h/w sector size for partitions", buffer));
}
{
char *tmp = fgets(buffer2, 1024, fpss);
if(likely(tmp)) {
- d->sector_size = atoi(tmp);
+ d->sector_size = str2i(tmp);
if(unlikely(d->sector_size <= 0)) {
error("Invalid sector size %d for device %s in %s. Assuming 512.", d->sector_size, d->disk, buffer);
d->sector_size = 512;
return d;
}
-static inline int select_positive_option(int option1, int option2) {
- if(unlikely(option1 == CONFIG_ONDEMAND_YES || option2 == CONFIG_ONDEMAND_YES))
- return CONFIG_ONDEMAND_YES;
- else if(unlikely(option1 == CONFIG_ONDEMAND_ONDEMAND || option2 == CONFIG_ONDEMAND_ONDEMAND))
- return CONFIG_ONDEMAND_ONDEMAND;
+static inline int is_major_enabled(int major) {
+ static int8_t *major_configs = NULL;
+ static size_t major_size = 0;
+
+ if(major < 0) return 1;
- return CONFIG_ONDEMAND_NO;
+ size_t wanted_size = (size_t)major + 1;
+
+ if(major_size < wanted_size) {
+ major_configs = reallocz(major_configs, wanted_size * sizeof(int8_t));
+
+ size_t i;
+ for(i = major_size; i < wanted_size ; i++)
+ major_configs[i] = -1;
+
+ major_size = wanted_size;
+ }
+
+ if(major_configs[major] == -1) {
+ char buffer[CONFIG_MAX_NAME + 1];
+ snprintfz(buffer, CONFIG_MAX_NAME, "performance metrics for disks with major %d", major);
+ major_configs[major] = (char)config_get_boolean(CONFIG_SECTION_DISKSTATS, buffer, 1);
+ }
+
+ return (int)major_configs[major];
}
int do_proc_diskstats(int update_every, usec_t dt) {
- (void)dt;
-
static procfile *ff = NULL;
- static int global_enable_new_disks_detected_at_runtime = CONFIG_ONDEMAND_YES,
- global_enable_performance_for_physical_disks = CONFIG_ONDEMAND_ONDEMAND,
- global_enable_performance_for_virtual_disks = CONFIG_ONDEMAND_NO,
- global_enable_performance_for_partitions = CONFIG_ONDEMAND_NO,
- global_enable_performance_for_mountpoints = CONFIG_ONDEMAND_NO,
- global_enable_performance_for_virtual_mountpoints = CONFIG_ONDEMAND_ONDEMAND,
- global_do_io = CONFIG_ONDEMAND_ONDEMAND,
- global_do_ops = CONFIG_ONDEMAND_ONDEMAND,
- global_do_mops = CONFIG_ONDEMAND_ONDEMAND,
- global_do_iotime = CONFIG_ONDEMAND_ONDEMAND,
- global_do_qops = CONFIG_ONDEMAND_ONDEMAND,
- global_do_util = CONFIG_ONDEMAND_ONDEMAND,
- global_do_backlog = CONFIG_ONDEMAND_ONDEMAND,
+ static int global_enable_new_disks_detected_at_runtime = CONFIG_BOOLEAN_YES,
+ global_enable_performance_for_physical_disks = CONFIG_BOOLEAN_AUTO,
+ global_enable_performance_for_virtual_disks = CONFIG_BOOLEAN_AUTO,
+ global_enable_performance_for_partitions = CONFIG_BOOLEAN_NO,
+ global_do_io = CONFIG_BOOLEAN_AUTO,
+ global_do_ops = CONFIG_BOOLEAN_AUTO,
+ global_do_mops = CONFIG_BOOLEAN_AUTO,
+ global_do_iotime = CONFIG_BOOLEAN_AUTO,
+ global_do_qops = CONFIG_BOOLEAN_AUTO,
+ global_do_util = CONFIG_BOOLEAN_AUTO,
+ global_do_backlog = CONFIG_BOOLEAN_AUTO,
globals_initialized = 0;
if(unlikely(!globals_initialized)) {
- global_enable_new_disks_detected_at_runtime = config_get_boolean("plugin:proc:/proc/diskstats", "enable new disks detected at runtime", global_enable_new_disks_detected_at_runtime);
-
- global_enable_performance_for_physical_disks = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for physical disks", global_enable_performance_for_physical_disks);
- global_enable_performance_for_virtual_disks = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for virtual disks", global_enable_performance_for_virtual_disks);
- global_enable_performance_for_partitions = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for partitions", global_enable_performance_for_partitions);
- global_enable_performance_for_mountpoints = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for mounted filesystems", global_enable_performance_for_mountpoints);
- global_enable_performance_for_virtual_mountpoints = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for mounted virtual disks", global_enable_performance_for_virtual_mountpoints);
-
- global_do_io = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "bandwidth for all disks", global_do_io);
- global_do_ops = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "operations for all disks", global_do_ops);
- global_do_mops = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "merged operations for all disks", global_do_mops);
- global_do_iotime = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "i/o time for all disks", global_do_iotime);
- global_do_qops = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "queued operations for all disks", global_do_qops);
- global_do_util = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "utilization percentage for all disks", global_do_util);
- global_do_backlog = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "backlog for all disks", global_do_backlog);
+ global_enable_new_disks_detected_at_runtime = config_get_boolean(CONFIG_SECTION_DISKSTATS, "enable new disks detected at runtime", global_enable_new_disks_detected_at_runtime);
+ global_enable_performance_for_physical_disks = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "performance metrics for physical disks", global_enable_performance_for_physical_disks);
+ global_enable_performance_for_virtual_disks = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "performance metrics for virtual disks", global_enable_performance_for_virtual_disks);
+ global_enable_performance_for_partitions = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "performance metrics for partitions", global_enable_performance_for_partitions);
+
+ global_do_io = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "bandwidth for all disks", global_do_io);
+ global_do_ops = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "operations for all disks", global_do_ops);
+ global_do_mops = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "merged operations for all disks", global_do_mops);
+ global_do_iotime = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "i/o time for all disks", global_do_iotime);
+ global_do_qops = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "queued operations for all disks", global_do_qops);
+ global_do_util = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "utilization percentage for all disks", global_do_util);
+ global_do_backlog = config_get_boolean_ondemand(CONFIG_SECTION_DISKSTATS, "backlog for all disks", global_do_backlog);
globals_initialized = 1;
}
+ // --------------------------------------------------------------------------
+
if(unlikely(!ff)) {
char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/diskstats");
- ff = procfile_open(config_get("plugin:proc:/proc/diskstats", "filename to monitor", filename), " \t", PROCFILE_FLAG_DEFAULT);
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/diskstats");
+ ff = procfile_open(config_get(CONFIG_SECTION_DISKSTATS, "filename to monitor", filename), " \t", PROCFILE_FLAG_DEFAULT);
}
- if(unlikely(!ff)) return 1;
+ if(unlikely(!ff)) return 0;
ff = procfile_readall(ff);
if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
- uint32_t lines = procfile_lines(ff), l;
-
- // this is smart enough not to reload it every time
- mountinfo_reload(0);
+ size_t lines = procfile_lines(ff), l;
for(l = 0; l < lines ;l++) {
// --------------------------------------------------------------------------
last_writes = 0, last_writesectors = 0, last_writems = 0,
last_busy_ms = 0;
- uint32_t words = procfile_linewords(ff, l);
+ size_t words = procfile_linewords(ff, l);
if(unlikely(words < 14)) continue;
- major = strtoul(procfile_lineword(ff, l, 0), NULL, 10);
- minor = strtoul(procfile_lineword(ff, l, 1), NULL, 10);
+ major = str2ul(procfile_lineword(ff, l, 0));
+ minor = str2ul(procfile_lineword(ff, l, 1));
disk = procfile_lineword(ff, l, 2);
// # of reads completed # of writes completed
// This is the total number of reads or writes completed successfully.
- reads = strtoull(procfile_lineword(ff, l, 3), NULL, 10); // rd_ios
- writes = strtoull(procfile_lineword(ff, l, 7), NULL, 10); // wr_ios
+ reads = str2ull(procfile_lineword(ff, l, 3)); // rd_ios
+ writes = str2ull(procfile_lineword(ff, l, 7)); // wr_ios
// # of reads merged # of writes merged
// Reads and writes which are adjacent to each other may be merged for
// efficiency. Thus two 4K reads may become one 8K read before it is
// ultimately handed to the disk, and so it will be counted (and queued)
- mreads = strtoull(procfile_lineword(ff, l, 4), NULL, 10); // rd_merges_or_rd_sec
- mwrites = strtoull(procfile_lineword(ff, l, 8), NULL, 10); // wr_merges
+ mreads = str2ull(procfile_lineword(ff, l, 4)); // rd_merges_or_rd_sec
+ mwrites = str2ull(procfile_lineword(ff, l, 8)); // wr_merges
// # of sectors read # of sectors written
// This is the total number of sectors read or written successfully.
- readsectors = strtoull(procfile_lineword(ff, l, 5), NULL, 10); // rd_sec_or_wr_ios
- writesectors = strtoull(procfile_lineword(ff, l, 9), NULL, 10); // wr_sec
+ readsectors = str2ull(procfile_lineword(ff, l, 5)); // rd_sec_or_wr_ios
+ writesectors = str2ull(procfile_lineword(ff, l, 9)); // wr_sec
// # of milliseconds spent reading # of milliseconds spent writing
// This is the total number of milliseconds spent by all reads or writes (as
// measured from __make_request() to end_that_request_last()).
- readms = strtoull(procfile_lineword(ff, l, 6), NULL, 10); // rd_ticks_or_wr_sec
- writems = strtoull(procfile_lineword(ff, l, 10), NULL, 10); // wr_ticks
+ readms = str2ull(procfile_lineword(ff, l, 6)); // rd_ticks_or_wr_sec
+ writems = str2ull(procfile_lineword(ff, l, 10)); // wr_ticks
// # of I/Os currently in progress
// The only field that should go to zero. Incremented as requests are
// given to appropriate struct request_queue and decremented as they finish.
- queued_ios = strtoull(procfile_lineword(ff, l, 11), NULL, 10); // ios_pgr
+ queued_ios = str2ull(procfile_lineword(ff, l, 11)); // ios_pgr
// # of milliseconds spent doing I/Os
// This field increases so long as field queued_ios is nonzero.
- busy_ms = strtoull(procfile_lineword(ff, l, 12), NULL, 10); // tot_ticks
+ busy_ms = str2ull(procfile_lineword(ff, l, 12)); // tot_ticks
// weighted # of milliseconds spent doing I/Os
// This field is incremented at each I/O start, I/O completion, I/O
// (field queued_ios) times the number of milliseconds spent doing I/O since the
// last update of this field. This can provide an easy measure of both
// I/O completion time and the backlog that may be accumulating.
- backlog_ms = strtoull(procfile_lineword(ff, l, 13), NULL, 10); // rq_ticks
+ backlog_ms = str2ull(procfile_lineword(ff, l, 13)); // rq_ticks
// --------------------------------------------------------------------------
// get a disk structure for the disk
struct disk *d = get_disk(major, minor, disk);
-
+ d->updated = 1;
// --------------------------------------------------------------------------
// Set its family based on mount point
// Check the configuration for the device
if(unlikely(!d->configured)) {
+ d->configured = 1;
+
+ static SIMPLE_PATTERN *excluded_disks = NULL;
+
+ if(unlikely(!excluded_disks)) {
+ excluded_disks = simple_pattern_create(
+ config_get(CONFIG_SECTION_DISKSTATS, "exclude disks", DELAULT_EXLUDED_DISKS),
+ SIMPLE_PATTERN_EXACT
+ );
+ }
+
+ int def_enable = global_enable_new_disks_detected_at_runtime;
+
+ if(def_enable != CONFIG_BOOLEAN_NO && simple_pattern_matches(excluded_disks, disk))
+ def_enable = CONFIG_BOOLEAN_NO;
+
char var_name[4096 + 1];
snprintfz(var_name, 4096, "plugin:proc:/proc/diskstats:%s", disk);
- int def_enable = config_get_boolean_ondemand(var_name, "enable", global_enable_new_disks_detected_at_runtime);
- if(unlikely(def_enable == CONFIG_ONDEMAND_NO)) {
+ def_enable = config_get_boolean_ondemand(var_name, "enable", def_enable);
+ if(unlikely(def_enable == CONFIG_BOOLEAN_NO)) {
// the user does not want any metrics for this disk
- d->do_io = CONFIG_ONDEMAND_NO;
- d->do_ops = CONFIG_ONDEMAND_NO;
- d->do_mops = CONFIG_ONDEMAND_NO;
- d->do_iotime = CONFIG_ONDEMAND_NO;
- d->do_qops = CONFIG_ONDEMAND_NO;
- d->do_util = CONFIG_ONDEMAND_NO;
- d->do_backlog = CONFIG_ONDEMAND_NO;
- d->do_space = CONFIG_ONDEMAND_NO;
- d->do_inodes = CONFIG_ONDEMAND_NO;
+ d->do_io = CONFIG_BOOLEAN_NO;
+ d->do_ops = CONFIG_BOOLEAN_NO;
+ d->do_mops = CONFIG_BOOLEAN_NO;
+ d->do_iotime = CONFIG_BOOLEAN_NO;
+ d->do_qops = CONFIG_BOOLEAN_NO;
+ d->do_util = CONFIG_BOOLEAN_NO;
+ d->do_backlog = CONFIG_BOOLEAN_NO;
}
else {
// this disk is enabled
// check its direct settings
- int def_performance = CONFIG_ONDEMAND_ONDEMAND;
- int def_space = (d->mount_point)?CONFIG_ONDEMAND_ONDEMAND:CONFIG_ONDEMAND_NO;
+ int def_performance = CONFIG_BOOLEAN_AUTO;
// since this is 'on demand' we can figure the performance settings
// based on the type of disk
case DISK_TYPE_CONTAINER:
def_performance = global_enable_performance_for_virtual_disks;
-
- if(d->mount_point)
- def_performance = select_positive_option(def_performance, global_enable_performance_for_virtual_mountpoints);
break;
}
- if(d->mount_point)
- def_performance = select_positive_option(def_performance, global_enable_performance_for_mountpoints);
+ // check if we have to disable performance for this disk
+ if(def_performance)
+ def_performance = is_major_enabled((int)major);
// ------------------------------------------------------------
// now we have def_performance and def_space
// check the user configuration (this will also show our 'on demand' decision)
def_performance = config_get_boolean_ondemand(var_name, "enable performance metrics", def_performance);
- int ddo_io = CONFIG_ONDEMAND_NO,
- ddo_ops = CONFIG_ONDEMAND_NO,
- ddo_mops = CONFIG_ONDEMAND_NO,
- ddo_iotime = CONFIG_ONDEMAND_NO,
- ddo_qops = CONFIG_ONDEMAND_NO,
- ddo_util = CONFIG_ONDEMAND_NO,
- ddo_backlog = CONFIG_ONDEMAND_NO;
+ int ddo_io = CONFIG_BOOLEAN_NO,
+ ddo_ops = CONFIG_BOOLEAN_NO,
+ ddo_mops = CONFIG_BOOLEAN_NO,
+ ddo_iotime = CONFIG_BOOLEAN_NO,
+ ddo_qops = CONFIG_BOOLEAN_NO,
+ ddo_util = CONFIG_BOOLEAN_NO,
+ ddo_backlog = CONFIG_BOOLEAN_NO;
// we enable individual performance charts only when def_performance is not disabled
- if(unlikely(def_performance != CONFIG_ONDEMAND_NO)) {
+ if(unlikely(def_performance != CONFIG_BOOLEAN_NO)) {
ddo_io = global_do_io,
ddo_ops = global_do_ops,
ddo_mops = global_do_mops,
d->do_qops = config_get_boolean_ondemand(var_name, "queued operations", ddo_qops);
d->do_util = config_get_boolean_ondemand(var_name, "utilization percentage", ddo_util);
d->do_backlog = config_get_boolean_ondemand(var_name, "backlog", ddo_backlog);
-
- // def_space
- if(unlikely(d->mount_point)) {
- // check the user configuration (this will also show our 'on demand' decision)
- def_space = config_get_boolean_ondemand(var_name, "enable space metrics", def_space);
-
- int ddo_space = def_space,
- ddo_inodes = def_space;
-
- d->do_space = config_get_boolean_ondemand(var_name, "space usage", ddo_space);
- d->do_inodes = config_get_boolean_ondemand(var_name, "inodes usage", ddo_inodes);
- }
- else {
- // don't show settings for this disk
- d->do_space = CONFIG_ONDEMAND_NO;
- d->do_inodes = CONFIG_ONDEMAND_NO;
- }
}
-
- d->configured = 1;
}
- RRDSET *st;
-
// --------------------------------------------------------------------------
// Do performance metrics
- if(d->do_io == CONFIG_ONDEMAND_YES || (d->do_io == CONFIG_ONDEMAND_ONDEMAND && (readsectors || writesectors))) {
- d->do_io = CONFIG_ONDEMAND_YES;
-
- st = rrdset_find_bytype(RRD_TYPE_DISK, disk);
- if(unlikely(!st)) {
- st = rrdset_create(RRD_TYPE_DISK, disk, NULL, family, "disk.io", "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
-
- rrddim_add(st, "reads", NULL, d->sector_size, 1024, RRDDIM_INCREMENTAL);
- rrddim_add(st, "writes", NULL, d->sector_size * -1, 1024, RRDDIM_INCREMENTAL);
+ if(d->do_io == CONFIG_BOOLEAN_YES || (d->do_io == CONFIG_BOOLEAN_AUTO && (readsectors || writesectors))) {
+ d->do_io = CONFIG_BOOLEAN_YES;
+
+ if(unlikely(!d->st_io)) {
+ d->st_io = rrdset_create_localhost(
+ RRD_TYPE_DISK
+ , disk
+ , NULL
+ , family
+ , "disk.io"
+ , "Disk I/O Bandwidth"
+ , "kilobytes/s"
+ , 2000
+ , update_every
+ , RRDSET_TYPE_AREA
+ );
+
+ rrddim_add(d->st_io, "reads", NULL, d->sector_size, 1024, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(d->st_io, "writes", NULL, d->sector_size * -1, 1024, RRD_ALGORITHM_INCREMENTAL);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_io);
- last_readsectors = rrddim_set(st, "reads", readsectors);
- last_writesectors = rrddim_set(st, "writes", writesectors);
- rrdset_done(st);
+ last_readsectors = rrddim_set(d->st_io, "reads", readsectors);
+ last_writesectors = rrddim_set(d->st_io, "writes", writesectors);
+ rrdset_done(d->st_io);
}
// --------------------------------------------------------------------
- if(d->do_ops == CONFIG_ONDEMAND_YES || (d->do_ops == CONFIG_ONDEMAND_ONDEMAND && (reads || writes))) {
- d->do_ops = CONFIG_ONDEMAND_YES;
-
- st = rrdset_find_bytype("disk_ops", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_ops", disk, NULL, family, "disk.ops", "Disk Completed I/O Operations", "operations/s", 2001, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
-
- rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
- rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ if(d->do_ops == CONFIG_BOOLEAN_YES || (d->do_ops == CONFIG_BOOLEAN_AUTO && (reads || writes))) {
+ d->do_ops = CONFIG_BOOLEAN_YES;
+
+ if(unlikely(!d->st_ops)) {
+ d->st_ops = rrdset_create_localhost(
+ "disk_ops"
+ , disk
+ , NULL
+ , family
+ , "disk.ops"
+ , "Disk Completed I/O Operations"
+ , "operations/s"
+ , 2001
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(d->st_ops, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_ops, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(d->st_ops, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_ops);
- last_reads = rrddim_set(st, "reads", reads);
- last_writes = rrddim_set(st, "writes", writes);
- rrdset_done(st);
+ last_reads = rrddim_set(d->st_ops, "reads", reads);
+ last_writes = rrddim_set(d->st_ops, "writes", writes);
+ rrdset_done(d->st_ops);
}
// --------------------------------------------------------------------
- if(d->do_qops == CONFIG_ONDEMAND_YES || (d->do_qops == CONFIG_ONDEMAND_ONDEMAND && queued_ios)) {
- d->do_qops = CONFIG_ONDEMAND_YES;
-
- st = rrdset_find_bytype("disk_qops", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_qops", disk, NULL, family, "disk.qops", "Disk Current I/O Operations", "operations", 2002, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
-
- rrddim_add(st, "operations", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ if(d->do_qops == CONFIG_BOOLEAN_YES || (d->do_qops == CONFIG_BOOLEAN_AUTO && queued_ios)) {
+ d->do_qops = CONFIG_BOOLEAN_YES;
+
+ if(unlikely(!d->st_qops)) {
+ d->st_qops = rrdset_create_localhost(
+ "disk_qops"
+ , disk
+ , NULL
+ , family
+ , "disk.qops"
+ , "Disk Current I/O Operations"
+ , "operations"
+ , 2002
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(d->st_qops, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_qops, "operations", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_qops);
- rrddim_set(st, "operations", queued_ios);
- rrdset_done(st);
+ rrddim_set(d->st_qops, "operations", queued_ios);
+ rrdset_done(d->st_qops);
}
// --------------------------------------------------------------------
- if(d->do_backlog == CONFIG_ONDEMAND_YES || (d->do_backlog == CONFIG_ONDEMAND_ONDEMAND && backlog_ms)) {
- d->do_backlog = CONFIG_ONDEMAND_YES;
-
- st = rrdset_find_bytype("disk_backlog", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_backlog", disk, NULL, family, "disk.backlog", "Disk Backlog", "backlog (ms)", 2003, update_every, RRDSET_TYPE_AREA);
- st->isdetail = 1;
-
- rrddim_add(st, "backlog", NULL, 1, 10, RRDDIM_INCREMENTAL);
+ if(d->do_backlog == CONFIG_BOOLEAN_YES || (d->do_backlog == CONFIG_BOOLEAN_AUTO && backlog_ms)) {
+ d->do_backlog = CONFIG_BOOLEAN_YES;
+
+ if(unlikely(!d->st_backlog)) {
+ d->st_backlog = rrdset_create_localhost(
+ "disk_backlog"
+ , disk
+ , NULL
+ , family
+ , "disk.backlog"
+ , "Disk Backlog"
+ , "backlog (ms)"
+ , 2003
+ , update_every
+ , RRDSET_TYPE_AREA
+ );
+
+ rrdset_flag_set(d->st_backlog, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_backlog, "backlog", NULL, 1, 10, RRD_ALGORITHM_INCREMENTAL);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_backlog);
- rrddim_set(st, "backlog", backlog_ms);
- rrdset_done(st);
+ rrddim_set(d->st_backlog, "backlog", backlog_ms);
+ rrdset_done(d->st_backlog);
}
// --------------------------------------------------------------------
- if(d->do_util == CONFIG_ONDEMAND_YES || (d->do_util == CONFIG_ONDEMAND_ONDEMAND && busy_ms)) {
- d->do_util = CONFIG_ONDEMAND_YES;
-
- st = rrdset_find_bytype("disk_util", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_util", disk, NULL, family, "disk.util", "Disk Utilization Time", "% of time working", 2004, update_every, RRDSET_TYPE_AREA);
- st->isdetail = 1;
-
- rrddim_add(st, "utilization", NULL, 1, 10, RRDDIM_INCREMENTAL);
+ if(d->do_util == CONFIG_BOOLEAN_YES || (d->do_util == CONFIG_BOOLEAN_AUTO && busy_ms)) {
+ d->do_util = CONFIG_BOOLEAN_YES;
+
+ if(unlikely(!d->st_util)) {
+ d->st_util = rrdset_create_localhost(
+ "disk_util"
+ , disk
+ , NULL
+ , family
+ , "disk.util"
+ , "Disk Utilization Time"
+ , "% of time working"
+ , 2004
+ , update_every
+ , RRDSET_TYPE_AREA
+ );
+
+ rrdset_flag_set(d->st_util, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_util, "utilization", NULL, 1, 10, RRD_ALGORITHM_INCREMENTAL);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_util);
- last_busy_ms = rrddim_set(st, "utilization", busy_ms);
- rrdset_done(st);
+ last_busy_ms = rrddim_set(d->st_util, "utilization", busy_ms);
+ rrdset_done(d->st_util);
}
// --------------------------------------------------------------------
- if(d->do_mops == CONFIG_ONDEMAND_YES || (d->do_mops == CONFIG_ONDEMAND_ONDEMAND && (mreads || mwrites))) {
- d->do_mops = CONFIG_ONDEMAND_YES;
-
- st = rrdset_find_bytype("disk_mops", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_mops", disk, NULL, family, "disk.mops", "Disk Merged Operations", "merged operations/s", 2021, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
-
- rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
- rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ if(d->do_mops == CONFIG_BOOLEAN_YES || (d->do_mops == CONFIG_BOOLEAN_AUTO && (mreads || mwrites))) {
+ d->do_mops = CONFIG_BOOLEAN_YES;
+
+ if(unlikely(!d->st_mops)) {
+ d->st_mops = rrdset_create_localhost(
+ "disk_mops"
+ , disk
+ , NULL
+ , family
+ , "disk.mops"
+ , "Disk Merged Operations"
+ , "merged operations/s"
+ , 2021
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(d->st_mops, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_mops, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(d->st_mops, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_mops);
- rrddim_set(st, "reads", mreads);
- rrddim_set(st, "writes", mwrites);
- rrdset_done(st);
+ rrddim_set(d->st_mops, "reads", mreads);
+ rrddim_set(d->st_mops, "writes", mwrites);
+ rrdset_done(d->st_mops);
}
// --------------------------------------------------------------------
- if(d->do_iotime == CONFIG_ONDEMAND_YES || (d->do_iotime == CONFIG_ONDEMAND_ONDEMAND && (readms || writems))) {
- d->do_iotime = CONFIG_ONDEMAND_YES;
-
- st = rrdset_find_bytype("disk_iotime", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_iotime", disk, NULL, family, "disk.iotime", "Disk Total I/O Time", "milliseconds/s", 2022, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
-
- rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
- rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ if(d->do_iotime == CONFIG_BOOLEAN_YES || (d->do_iotime == CONFIG_BOOLEAN_AUTO && (readms || writems))) {
+ d->do_iotime = CONFIG_BOOLEAN_YES;
+
+ if(unlikely(!d->st_iotime)) {
+ d->st_iotime = rrdset_create_localhost(
+ "disk_iotime"
+ , disk
+ , NULL
+ , family
+ , "disk.iotime"
+ , "Disk Total I/O Time"
+ , "milliseconds/s"
+ , 2022
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(d->st_iotime, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_iotime, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(d->st_iotime, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_iotime);
- last_readms = rrddim_set(st, "reads", readms);
- last_writems = rrddim_set(st, "writes", writems);
- rrdset_done(st);
+ last_readms = rrddim_set(d->st_iotime, "reads", readms);
+ last_writems = rrddim_set(d->st_iotime, "writes", writems);
+ rrdset_done(d->st_iotime);
}
// --------------------------------------------------------------------
// only if this is not the first time we run
if(likely(dt)) {
- if( (d->do_iotime == CONFIG_ONDEMAND_YES || (d->do_iotime == CONFIG_ONDEMAND_ONDEMAND && (readms || writems))) &&
- (d->do_ops == CONFIG_ONDEMAND_YES || (d->do_ops == CONFIG_ONDEMAND_ONDEMAND && (reads || writes)))) {
- st = rrdset_find_bytype("disk_await", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_await", disk, NULL, family, "disk.await", "Average Completed I/O Operation Time", "ms per operation", 2005, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
-
- rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_ABSOLUTE);
+ if( (d->do_iotime == CONFIG_BOOLEAN_YES || (d->do_iotime == CONFIG_BOOLEAN_AUTO && (readms || writems))) &&
+ (d->do_ops == CONFIG_BOOLEAN_YES || (d->do_ops == CONFIG_BOOLEAN_AUTO && (reads || writes)))) {
+
+ if(unlikely(!d->st_await)) {
+ d->st_await = rrdset_create_localhost(
+ "disk_await"
+ , disk
+ , NULL
+ , family
+ , "disk.await"
+ , "Average Completed I/O Operation Time"
+ , "ms per operation"
+ , 2005
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(d->st_await, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_await, "reads", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(d->st_await, "writes", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_await);
- rrddim_set(st, "reads", (reads - last_reads) ? (readms - last_readms) / (reads - last_reads) : 0);
- rrddim_set(st, "writes", (writes - last_writes) ? (writems - last_writems) / (writes - last_writes) : 0);
- rrdset_done(st);
+ rrddim_set(d->st_await, "reads", (reads - last_reads) ? (readms - last_readms) / (reads - last_reads) : 0);
+ rrddim_set(d->st_await, "writes", (writes - last_writes) ? (writems - last_writems) / (writes - last_writes) : 0);
+ rrdset_done(d->st_await);
}
- if( (d->do_io == CONFIG_ONDEMAND_YES || (d->do_io == CONFIG_ONDEMAND_ONDEMAND && (readsectors || writesectors))) &&
- (d->do_ops == CONFIG_ONDEMAND_YES || (d->do_ops == CONFIG_ONDEMAND_ONDEMAND && (reads || writes)))) {
- st = rrdset_find_bytype("disk_avgsz", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_avgsz", disk, NULL, family, "disk.avgsz", "Average Completed I/O Operation Bandwidth", "kilobytes per operation", 2006, update_every, RRDSET_TYPE_AREA);
- st->isdetail = 1;
-
- rrddim_add(st, "reads", NULL, d->sector_size, 1024, RRDDIM_ABSOLUTE);
- rrddim_add(st, "writes", NULL, d->sector_size * -1, 1024, RRDDIM_ABSOLUTE);
+ if( (d->do_io == CONFIG_BOOLEAN_YES || (d->do_io == CONFIG_BOOLEAN_AUTO && (readsectors || writesectors))) &&
+ (d->do_ops == CONFIG_BOOLEAN_YES || (d->do_ops == CONFIG_BOOLEAN_AUTO && (reads || writes)))) {
+
+ if(unlikely(!d->st_avgsz)) {
+ d->st_avgsz = rrdset_create_localhost(
+ "disk_avgsz"
+ , disk
+ , NULL
+ , family
+ , "disk.avgsz"
+ , "Average Completed I/O Operation Bandwidth"
+ , "kilobytes per operation"
+ , 2006
+ , update_every
+ , RRDSET_TYPE_AREA
+ );
+
+ rrdset_flag_set(d->st_avgsz, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_avgsz, "reads", NULL, d->sector_size, 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(d->st_avgsz, "writes", NULL, d->sector_size * -1, 1024, RRD_ALGORITHM_ABSOLUTE);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_avgsz);
- rrddim_set(st, "reads", (reads - last_reads) ? (readsectors - last_readsectors) / (reads - last_reads) : 0);
- rrddim_set(st, "writes", (writes - last_writes) ? (writesectors - last_writesectors) / (writes - last_writes) : 0);
- rrdset_done(st);
+ rrddim_set(d->st_avgsz, "reads", (reads - last_reads) ? (readsectors - last_readsectors) / (reads - last_reads) : 0);
+ rrddim_set(d->st_avgsz, "writes", (writes - last_writes) ? (writesectors - last_writesectors) / (writes - last_writes) : 0);
+ rrdset_done(d->st_avgsz);
}
- if( (d->do_util == CONFIG_ONDEMAND_YES || (d->do_util == CONFIG_ONDEMAND_ONDEMAND && busy_ms)) &&
- (d->do_ops == CONFIG_ONDEMAND_YES || (d->do_ops == CONFIG_ONDEMAND_ONDEMAND && (reads || writes)))) {
- st = rrdset_find_bytype("disk_svctm", disk);
- if(unlikely(!st)) {
- st = rrdset_create("disk_svctm", disk, NULL, family, "disk.svctm", "Average Service Time", "ms per operation", 2007, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
-
- rrddim_add(st, "svctm", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ if( (d->do_util == CONFIG_BOOLEAN_YES || (d->do_util == CONFIG_BOOLEAN_AUTO && busy_ms)) &&
+ (d->do_ops == CONFIG_BOOLEAN_YES || (d->do_ops == CONFIG_BOOLEAN_AUTO && (reads || writes)))) {
+
+ if(unlikely(!d->st_svctm)) {
+ d->st_svctm = rrdset_create_localhost(
+ "disk_svctm"
+ , disk
+ , NULL
+ , family
+ , "disk.svctm"
+ , "Average Service Time"
+ , "ms per operation"
+ , 2007
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_flag_set(d->st_svctm, RRDSET_FLAG_DETAIL);
+
+ rrddim_add(d->st_svctm, "svctm", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
- else rrdset_next(st);
+ else rrdset_next(d->st_svctm);
- rrddim_set(st, "svctm", ((reads - last_reads) + (writes - last_writes)) ? (busy_ms - last_busy_ms) / ((reads - last_reads) + (writes - last_writes)) : 0);
- rrdset_done(st);
+ rrddim_set(d->st_svctm, "svctm", ((reads - last_reads) + (writes - last_writes)) ? (busy_ms - last_busy_ms) / ((reads - last_reads) + (writes - last_writes)) : 0);
+ rrdset_done(d->st_svctm);
}
}
}
- // --------------------------------------------------------------------------
- // space metrics for non-block devices
-
- struct mountinfo *mi;
- for(mi = disk_mountinfo_root; mi ;mi = mi->next) {
- if(unlikely(mi->flags & (MOUNTINFO_IS_DUMMY|MOUNTINFO_IS_BIND|MOUNTINFO_IS_SAME_DEV|MOUNTINFO_NO_STAT|MOUNTINFO_NO_SIZE|MOUNTINFO_READONLY)))
- continue;
+ // cleanup removed disks
+
+ struct disk *d = disk_root, *last = NULL;
+ while(d) {
+ if(unlikely(!d->updated)) {
+ struct disk *t = d;
+
+ rrdset_obsolete_and_pointer_null(d->st_avgsz);
+ rrdset_obsolete_and_pointer_null(d->st_await);
+ rrdset_obsolete_and_pointer_null(d->st_backlog);
+ rrdset_obsolete_and_pointer_null(d->st_io);
+ rrdset_obsolete_and_pointer_null(d->st_iotime);
+ rrdset_obsolete_and_pointer_null(d->st_mops);
+ rrdset_obsolete_and_pointer_null(d->st_ops);
+ rrdset_obsolete_and_pointer_null(d->st_qops);
+ rrdset_obsolete_and_pointer_null(d->st_svctm);
+ rrdset_obsolete_and_pointer_null(d->st_util);
+
+ if(d == disk_root) {
+ disk_root = d = d->next;
+ last = NULL;
+ }
+ else if(last) {
+ last->next = d = d->next;
+ }
- do_disk_space_stats(mi, update_every, dt);
+ freez(t->disk);
+ freez(t->mount_point);
+ freez(t);
+ }
+ else {
+ d->updated = 0;
+ last = d;
+ d = d->next;
+ }
}
return 0;