#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
+#include <dirent.h>
+#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/types.h>
+#include <unistd.h>
+
#include "common.h"
#include "log.h"
#include "rrd.h"
#include "plugin_proc.h"
-#define RRD_TYPE_DISK "disk"
-#define RRD_TYPE_DISK_LEN strlen(RRD_TYPE_DISK)
+#include "proc_self_mountinfo.h"
+
+#define RRD_TYPE_DISK "disk"
+
+#define DISK_TYPE_PHYSICAL 1
+#define DISK_TYPE_PARTITION 2
+#define DISK_TYPE_CONTAINER 3
+
+struct disk {
+ unsigned long major;
+ unsigned long minor;
+ int type;
+ char *mount_point;
+ struct disk *next;
+} *disk_root = NULL;
+
+struct disk *get_disk(unsigned long major, unsigned long minor) {
+ static char path_find_block_device[FILENAME_MAX + 1] = "";
+ static struct mountinfo *mountinfo_root = NULL;
+ struct disk *d;
+
+ // search for it in our RAM list.
+ // this is sequential, but since we just walk through
+ // and the number of disks / partitions in a system
+ // 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;
+
+ if(unlikely(!path_find_block_device[0])) {
+ char dirname[FILENAME_MAX + 1];
+ snprintfz(dirname, 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", dirname));
+ }
+
+ // not found
+ // create a new disk structure
+ d = (struct disk *)malloc(sizeof(struct disk));
+ if(!d) fatal("Cannot allocate memory for struct disk in proc_diskstats.");
+
+ d->major = major;
+ d->minor = minor;
+ d->type = DISK_TYPE_PHYSICAL; // Default type. Changed later if not correct.
+ d->next = NULL;
+
+ // append it to the list
+ if(!disk_root)
+ disk_root = d;
+ else {
+ struct disk *last;
+ for(last = disk_root; last->next ;last = last->next);
+ last->next = d;
+ }
+
+ // ------------------------------------------------------------------------
+ // find the type of the device
+
+ // find if it is a partition
+ // by checking if /sys/dev/block/MAJOR:MINOR/partition is readable.
+ char buffer[FILENAME_MAX + 1];
+ snprintfz(buffer, FILENAME_MAX, path_find_block_device, major, minor, "partition");
+ if(access(buffer, R_OK) == 0) {
+ d->type = DISK_TYPE_PARTITION;
+ } else {
+ // find if it is a container
+ // by checking if /sys/dev/block/MAJOR:MINOR/slaves has entries
+ snprintfz(buffer, FILENAME_MAX, path_find_block_device, major, minor, "slaves/");
+ DIR *dirp = opendir(buffer);
+ if (dirp != NULL) {
+ struct dirent *dp;
+ while( (dp = readdir(dirp)) ) {
+ // . and .. are also files in empty folders.
+ if(strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0) {
+ continue;
+ }
+ d->type = DISK_TYPE_CONTAINER;
+ // Stop the loop after we found one file.
+ break;
+ }
+ if(closedir(dirp) == -1)
+ error("Unable to close dir %s", buffer);
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ // check if we can find its mount point
+
+ // mountinfo_find() can be called with NULL mountinfo_root
+ struct mountinfo *mi = mountinfo_find(mountinfo_root, d->major, d->minor);
+ if(unlikely(!mi)) {
+ // mountinfo_free() can be called with NULL mountinfo_root
+ mountinfo_free(mountinfo_root);
+
+ // re-read mountinfo in case something changed
+ mountinfo_root = mountinfo_read();
+
+ // search again for this disk
+ mi = mountinfo_find(mountinfo_root, d->major, d->minor);
+ }
+
+ if(mi)
+ d->mount_point = strdup(mi->mount_point);
+ // no need to check for NULL
+ else
+ d->mount_point = NULL;
-#define MAX_PROC_DISKSTATS_LINE 4096
+ return d;
+}
int do_proc_diskstats(int update_every, unsigned long long dt) {
static procfile *ff = NULL;
static char path_to_get_hw_sector_size[FILENAME_MAX + 1] = "";
- static int enable_new_disks = -1;
- static int do_io = -1, do_ops = -1, do_mops = -1, do_iotime = -1, do_qops = -1, do_util = -1, do_backlog = -1;
-
- if(enable_new_disks == -1) enable_new_disks = config_get_boolean("plugin:proc:/proc/diskstats", "enable new disks detected at runtime", 1);
-
- if(do_io == -1) do_io = config_get_boolean("plugin:proc:/proc/diskstats", "bandwidth for all disks", 1);
- if(do_ops == -1) do_ops = config_get_boolean("plugin:proc:/proc/diskstats", "operations for all disks", 1);
- if(do_mops == -1) do_mops = config_get_boolean("plugin:proc:/proc/diskstats", "merged operations for all disks", 1);
- if(do_iotime == -1) do_iotime = config_get_boolean("plugin:proc:/proc/diskstats", "i/o time for all disks", 1);
- if(do_qops == -1) do_qops = config_get_boolean("plugin:proc:/proc/diskstats", "queued operations for all disks", 1);
- if(do_util == -1) do_util = config_get_boolean("plugin:proc:/proc/diskstats", "utilization percentage for all disks", 1);
- if(do_backlog == -1)do_backlog = config_get_boolean("plugin:proc:/proc/diskstats", "backlog for all disks", 1);
+ static int enable_autodetection;
+ static int enable_physical_disks, enable_virtual_disks, enable_partitions, enable_mountpoints, enable_space_metrics;
+ static int do_io, do_ops, do_mops, do_iotime, do_qops, do_util, do_backlog, do_space, do_inodes;
+ static struct statvfs buff_statvfs;
+ static struct stat buff_stat;
+
+ enable_autodetection = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "enable new disks detected at runtime", CONFIG_ONDEMAND_ONDEMAND);
+
+ enable_physical_disks = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for physical disks", CONFIG_ONDEMAND_ONDEMAND);
+ enable_virtual_disks = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for virtual disks", CONFIG_ONDEMAND_NO);
+ enable_partitions = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for partitions", CONFIG_ONDEMAND_NO);
+ enable_mountpoints = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "performance metrics for mounted filesystems", CONFIG_ONDEMAND_NO);
+ enable_space_metrics = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "space metrics for mounted filesystems", CONFIG_ONDEMAND_ONDEMAND);
+
+ do_io = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "bandwidth for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_ops = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "operations for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_mops = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "merged operations for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_iotime = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "i/o time for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_qops = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "queued operations for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_util = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "utilization percentage for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_backlog = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "backlog for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_space = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "space usage for all disks", CONFIG_ONDEMAND_ONDEMAND);
+ do_inodes = config_get_boolean_ondemand("plugin:proc:/proc/diskstats", "inodes usage for all disks", CONFIG_ONDEMAND_ONDEMAND);
if(!ff) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/diskstats");
+ 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);
}
if(!ff) return 1;
if(!path_to_get_hw_sector_size[0]) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/block/%s/queue/hw_sector_size");
- snprintf(path_to_get_hw_sector_size, FILENAME_MAX, "%s%s", global_host_prefix, config_get("plugin:proc:/proc/diskstats", "path to get h/w sector size", filename));
+ snprintfz(filename, 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", filename));
}
ff = procfile_readall(ff);
uint32_t words;
for(l = 0; l < lines ;l++) {
+ // --------------------------------------------------------------------------
+ // Read parameters
char *disk;
unsigned long long major = 0, minor = 0,
reads = 0, mreads = 0, readsectors = 0, readms = 0,
writes = 0, mwrites = 0, writesectors = 0, writems = 0,
- queued_ios = 0, busy_ms = 0, backlog_ms = 0;
+ queued_ios = 0, busy_ms = 0, backlog_ms = 0,
+ space_avail = 0, space_avail_root = 0, space_used = 0,
+ inodes_avail = 0, inodes_avail_root = 0, inodes_used = 0;
unsigned long long last_reads = 0, last_readsectors = 0, last_readms = 0,
last_writes = 0, last_writesectors = 0, last_writems = 0,
// I/O completion time and the backlog that may be accumulating.
backlog_ms = strtoull(procfile_lineword(ff, l, 13), NULL, 10); // rq_ticks
- int def_enabled = 0;
-
+ // --------------------------------------------------------------------------
// remove slashes from disk names
char *s;
for(s = disk; *s ;s++) if(*s == '/') *s = '_';
-
- switch(major) {
- case 9: // MDs
- case 43: // network block
- case 144: // nfs
- case 145: // nfs
- case 146: // nfs
- case 199: // veritas
- case 201: // veritas
- case 251: // dm
- def_enabled = enable_new_disks;
- break;
-
- case 48: // RAID
- case 49: // RAID
- case 50: // RAID
- case 51: // RAID
- case 52: // RAID
- case 53: // RAID
- case 54: // RAID
- case 55: // RAID
- case 112: // RAID
- case 136: // RAID
- case 137: // RAID
- case 138: // RAID
- case 139: // RAID
- case 140: // RAID
- case 141: // RAID
- case 142: // RAID
- case 143: // RAID
- case 179: // MMC
- case 180: // USB
- if(minor % 8) def_enabled = 0; // partitions
- else def_enabled = enable_new_disks;
- break;
-
- case 8: // scsi disks
- case 65: // scsi disks
- case 66: // scsi disks
- case 67: // scsi disks
- case 68: // scsi disks
- case 69: // scsi disks
- case 70: // scsi disks
- case 71: // scsi disks
- case 72: // scsi disks
- case 73: // scsi disks
- case 74: // scsi disks
- case 75: // scsi disks
- case 76: // scsi disks
- case 77: // scsi disks
- case 78: // scsi disks
- case 79: // scsi disks
- case 80: // i2o
- case 81: // i2o
- case 82: // i2o
- case 83: // i2o
- case 84: // i2o
- case 85: // i2o
- case 86: // i2o
- case 87: // i2o
- case 101: // hyperdisk
- case 102: // compressed
- case 104: // scsi
- case 105: // scsi
- case 106: // scsi
- case 107: // scsi
- case 108: // scsi
- case 109: // scsi
- case 110: // scsi
- case 111: // scsi
- case 114: // bios raid
- case 116: // ram board
- case 128: // scsi
- case 129: // scsi
- case 130: // scsi
- case 131: // scsi
- case 132: // scsi
- case 133: // scsi
- case 134: // scsi
- case 135: // scsi
- case 153: // raid
- case 202: // xen
- case 256: // flash
- case 257: // flash
- if(minor % 16) def_enabled = 0; // partitions
- else def_enabled = enable_new_disks;
- break;
-
- case 160: // raid
- case 161: // raid
- if(minor % 32) def_enabled = 0; // partitions
- else def_enabled = enable_new_disks;
- break;
-
- case 3: // ide
- case 13: // 8bit ide
- case 22: // ide
- case 33: // ide
- case 34: // ide
- case 56: // ide
- case 57: // ide
- case 88: // ide
- case 89: // ide
- case 90: // ide
- case 91: // ide
- if(minor % 64) def_enabled = 0; // partitions
- else def_enabled = enable_new_disks;
- break;
-
- default:
- def_enabled = 0;
- break;
- }
-
- // check if it is enabled
- {
- char var_name[4096 + 1];
- snprintf(var_name, 4096, "disk %s", disk);
- if(!config_get_boolean("plugin:proc:/proc/diskstats", var_name, def_enabled)) continue;
- }
-
- RRDSET *st;
-
- // --------------------------------------------------------------------
-
- int sector_size = 512;
- if(do_io) {
- st = rrdset_find_bytype(RRD_TYPE_DISK, disk);
- if(!st) {
- char tf[FILENAME_MAX + 1], *t;
- char ssfilename[FILENAME_MAX + 1];
-
- strncpy(tf, disk, FILENAME_MAX);
- tf[FILENAME_MAX] = '\0';
-
- // replace all / with !
- while((t = strchr(tf, '/'))) *t = '!';
-
- snprintf(ssfilename, FILENAME_MAX, path_to_get_hw_sector_size, tf);
- FILE *fpss = fopen(ssfilename, "r");
- if(fpss) {
- char ssbuffer[1025];
- char *tmp = fgets(ssbuffer, 1024, fpss);
-
- if(tmp) {
- sector_size = atoi(tmp);
- if(sector_size <= 0) {
- error("Invalid sector size %d for device %s in %s. Assuming 512.", sector_size, disk, ssfilename);
- sector_size = 512;
- }
- }
- else error("Cannot read data for sector size for device %s from %s. Assuming 512.", disk, ssfilename);
-
- fclose(fpss);
- }
- else error("Cannot read sector size for device %s from %s. Assuming 512.", disk, ssfilename);
-
- st = rrdset_create(RRD_TYPE_DISK, disk, NULL, disk, "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
-
- rrddim_add(st, "reads", NULL, sector_size, 1024, RRDDIM_INCREMENTAL);
- rrddim_add(st, "writes", NULL, sector_size * -1, 1024, RRDDIM_INCREMENTAL);
+ struct disk *d = get_disk(major, minor);
+ // Find mount point and family
+ char *mount_point = d->mount_point;
+ char *family = d->mount_point;
+ if(!family) family = disk;
+
+ // --------------------------------------------------------------------------
+ // Check if device is enabled by autodetection or config
+ int def_enable = -1;
+ char var_name[4096 + 1];
+ snprintfz(var_name, 4096, "plugin:proc:/proc/diskstats:%s", disk);
+
+ if(def_enable == -1) def_enable = config_get_boolean_ondemand(var_name, "enable", CONFIG_ONDEMAND_ONDEMAND);
+ if(def_enable == CONFIG_ONDEMAND_NO) continue;
+
+ int def_performance = CONFIG_ONDEMAND_NO, def_space = CONFIG_ONDEMAND_NO;
+ if(enable_autodetection) {
+ if(enable_physical_disks && (d->type == DISK_TYPE_PHYSICAL)) {
+ def_performance = enable_physical_disks;
+ } else if(enable_virtual_disks && (d->type == DISK_TYPE_CONTAINER)) {
+ def_performance = enable_virtual_disks;
+ } else if(enable_partitions && (d->type == DISK_TYPE_PARTITION)) {
+ def_performance = enable_partitions;
+ } else if(enable_mountpoints && (d->mount_point != NULL)) {
+ def_performance = enable_mountpoints;
}
- else rrdset_next_usec(st, dt);
- last_readsectors = rrddim_set(st, "reads", readsectors);
- last_writesectors = rrddim_set(st, "writes", writesectors);
- rrdset_done(st);
- }
-
- // --------------------------------------------------------------------
-
- if(do_ops) {
- st = rrdset_find_bytype("disk_ops", disk);
- if(!st) {
- st = rrdset_create("disk_ops", disk, NULL, disk, "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(enable_space_metrics && (d->mount_point != NULL)) {
+ def_space = enable_space_metrics;
}
- else rrdset_next_usec(st, dt);
-
- last_reads = rrddim_set(st, "reads", reads);
- last_writes = rrddim_set(st, "writes", writes);
- rrdset_done(st);
}
- // --------------------------------------------------------------------
-
- if(do_qops) {
- st = rrdset_find_bytype("disk_qops", disk);
- if(!st) {
- st = rrdset_create("disk_qops", disk, NULL, disk, "Disk Queued I/O Operations", "operations", 2002, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
+ RRDSET *st;
- rrddim_add(st, "operations", NULL, 1, 1, RRDDIM_ABSOLUTE);
- }
- else rrdset_next_usec(st, dt);
+ // --------------------------------------------------------------------------
+ // Do performance metrics
+ def_performance = config_get_boolean_ondemand(var_name, "enable performance metrics", def_performance);
+ if( (def_performance == CONFIG_ONDEMAND_YES) || (def_performance == CONFIG_ONDEMAND_ONDEMAND && reads && writes) ) {
+ int ddo_io = do_io, ddo_ops = do_ops, ddo_mops = do_mops, ddo_iotime = do_iotime, ddo_qops = do_qops, ddo_util = do_util, ddo_backlog = do_backlog;
+
+ ddo_io = config_get_boolean_ondemand(var_name, "bandwidth", ddo_io);
+ ddo_ops = config_get_boolean_ondemand(var_name, "operations", ddo_ops);
+ ddo_mops = config_get_boolean_ondemand(var_name, "merged operations", ddo_mops);
+ ddo_iotime = config_get_boolean_ondemand(var_name, "i/o time", ddo_iotime);
+ ddo_qops = config_get_boolean_ondemand(var_name, "queued operations", ddo_qops);
+ ddo_util = config_get_boolean_ondemand(var_name, "utilization percentage", ddo_util);
+ ddo_backlog = config_get_boolean_ondemand(var_name, "backlog", ddo_backlog);
+
+ // by default, do not add charts that do not have values
+ if(ddo_io == CONFIG_ONDEMAND_ONDEMAND && !reads && !writes) ddo_io = 0;
+ if(ddo_mops == CONFIG_ONDEMAND_ONDEMAND && mreads == 0 && mwrites == 0) ddo_mops = 0;
+ if(ddo_iotime == CONFIG_ONDEMAND_ONDEMAND && readms == 0 && writems == 0) ddo_iotime = 0;
+ if(ddo_util == CONFIG_ONDEMAND_ONDEMAND && busy_ms == 0) ddo_util = 0;
+ if(ddo_backlog == CONFIG_ONDEMAND_ONDEMAND && backlog_ms == 0) ddo_backlog = 0;
+ if(ddo_qops == CONFIG_ONDEMAND_ONDEMAND && backlog_ms == 0) ddo_qops = 0;
+
+ // for absolute values, we need to switch the setting to 'yes'
+ // to allow it refresh from now on
+ if(ddo_qops == CONFIG_ONDEMAND_ONDEMAND) config_set(var_name, "queued operations", "yes");
+
+ // --------------------------------------------------------------------
+ int sector_size = 512;
+ if(ddo_io) {
+ st = rrdset_find_bytype(RRD_TYPE_DISK, disk);
+ if(!st) {
+ char tf[FILENAME_MAX + 1], *t;
+ char ssfilename[FILENAME_MAX + 1];
+
+ strncpyz(tf, disk, FILENAME_MAX);
+
+ // replace all / with !
+ while((t = strchr(tf, '/'))) *t = '!';
+
+ snprintfz(ssfilename, FILENAME_MAX, path_to_get_hw_sector_size, tf);
+ FILE *fpss = fopen(ssfilename, "r");
+ if(fpss) {
+ char ssbuffer[1025];
+ char *tmp = fgets(ssbuffer, 1024, fpss);
+
+ if(tmp) {
+ sector_size = atoi(tmp);
+ if(sector_size <= 0) {
+ error("Invalid sector size %d for device %s in %s. Assuming 512.", sector_size, disk, ssfilename);
+ sector_size = 512;
+ }
+ }
+ else error("Cannot read data for sector size for device %s from %s. Assuming 512.", disk, ssfilename);
- rrddim_set(st, "operations", queued_ios);
- rrdset_done(st);
- }
+ fclose(fpss);
+ }
+ else error("Cannot read sector size for device %s from %s. Assuming 512.", disk, ssfilename);
- // --------------------------------------------------------------------
+ st = rrdset_create(RRD_TYPE_DISK, disk, NULL, family, "disk.io", "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
- if(do_backlog) {
- st = rrdset_find_bytype("disk_backlog", disk);
- if(!st) {
- st = rrdset_create("disk_backlog", disk, NULL, disk, "Disk Backlog", "backlog (ms)", 2003, update_every, RRDSET_TYPE_AREA);
- st->isdetail = 1;
+ rrddim_add(st, "reads", NULL, sector_size, 1024, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "writes", NULL, sector_size * -1, 1024, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next_usec(st, dt);
- rrddim_add(st, "backlog", NULL, 1, 10, RRDDIM_INCREMENTAL);
+ last_readsectors = rrddim_set(st, "reads", readsectors);
+ last_writesectors = rrddim_set(st, "writes", writesectors);
+ rrdset_done(st);
}
- else rrdset_next_usec(st, dt);
-
- rrddim_set(st, "backlog", backlog_ms);
- rrdset_done(st);
- }
- // --------------------------------------------------------------------
+ // --------------------------------------------------------------------
+ if(ddo_ops) {
+ st = rrdset_find_bytype("disk_ops", disk);
+ if(!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;
- if(do_util) {
- st = rrdset_find_bytype("disk_util", disk);
- if(!st) {
- st = rrdset_create("disk_util", disk, NULL, disk, "Disk Utilization Time", "% of time working", 2004, update_every, RRDSET_TYPE_AREA);
- st->isdetail = 1;
+ rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next_usec(st, dt);
- rrddim_add(st, "utilization", NULL, 1, 10, RRDDIM_INCREMENTAL);
+ last_reads = rrddim_set(st, "reads", reads);
+ last_writes = rrddim_set(st, "writes", writes);
+ rrdset_done(st);
}
- else rrdset_next_usec(st, dt);
-
- last_busy_ms = rrddim_set(st, "utilization", busy_ms);
- rrdset_done(st);
- }
- // --------------------------------------------------------------------
+ // --------------------------------------------------------------------
+ if(ddo_qops) {
+ st = rrdset_find_bytype("disk_qops", disk);
+ if(!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;
- if(do_mops) {
- st = rrdset_find_bytype("disk_mops", disk);
- if(!st) {
- st = rrdset_create("disk_mops", disk, NULL, disk, "Disk Merged Operations", "merged operations/s", 2021, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
+ rrddim_add(st, "operations", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ }
+ else rrdset_next_usec(st, dt);
- rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
- rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ rrddim_set(st, "operations", queued_ios);
+ rrdset_done(st);
}
- else rrdset_next_usec(st, dt);
-
- rrddim_set(st, "reads", mreads);
- rrddim_set(st, "writes", mwrites);
- rrdset_done(st);
- }
- // --------------------------------------------------------------------
+ // --------------------------------------------------------------------
+ if(ddo_backlog) {
+ st = rrdset_find_bytype("disk_backlog", disk);
+ if(!st) {
+ st = rrdset_create("disk_backlog", disk, NULL, family, "disk.backlog", "Disk Backlog", "backlog (ms)", 2003, update_every, RRDSET_TYPE_AREA);
+ st->isdetail = 1;
- if(do_iotime) {
- st = rrdset_find_bytype("disk_iotime", disk);
- if(!st) {
- st = rrdset_create("disk_iotime", disk, NULL, disk, "Disk Total I/O Time", "milliseconds/s", 2022, update_every, RRDSET_TYPE_LINE);
- st->isdetail = 1;
+ rrddim_add(st, "backlog", NULL, 1, 10, RRDDIM_INCREMENTAL);
+ }
+ else rrdset_next_usec(st, dt);
- rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
- rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+ rrddim_set(st, "backlog", backlog_ms);
+ rrdset_done(st);
}
- else rrdset_next_usec(st, dt);
-
- last_readms = rrddim_set(st, "reads", readms);
- last_writems = rrddim_set(st, "writes", writems);
- rrdset_done(st);
- }
- // --------------------------------------------------------------------
- // calculate differential charts
- // only if this is not the first time we run
-
- if(dt) {
- if(do_iotime && do_ops) {
- st = rrdset_find_bytype("disk_await", disk);
+ // --------------------------------------------------------------------
+ if(ddo_util) {
+ st = rrdset_find_bytype("disk_util", disk);
if(!st) {
- st = rrdset_create("disk_await", disk, NULL, disk, "Average Completed I/O Operation Time", "ms per operation", 2005, update_every, RRDSET_TYPE_LINE);
+ 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, "reads", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "utilization", NULL, 1, 10, RRDDIM_INCREMENTAL);
}
else rrdset_next_usec(st, dt);
- 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);
+ last_busy_ms = rrddim_set(st, "utilization", busy_ms);
rrdset_done(st);
}
- if(do_io && do_ops) {
- st = rrdset_find_bytype("disk_avgsz", disk);
+ // --------------------------------------------------------------------
+ if(ddo_mops) {
+ st = rrdset_find_bytype("disk_mops", disk);
if(!st) {
- st = rrdset_create("disk_avgsz", disk, NULL, disk, "Average Completed I/O Operation Bandwidth", "kilobytes per operation", 2006, update_every, RRDSET_TYPE_AREA);
+ 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, sector_size, 1024, RRDDIM_ABSOLUTE);
- rrddim_add(st, "writes", NULL, -sector_size, 1024, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next_usec(st, dt);
- 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);
+ rrddim_set(st, "reads", mreads);
+ rrddim_set(st, "writes", mwrites);
rrdset_done(st);
}
- if(do_util && do_ops) {
- st = rrdset_find_bytype("disk_svctm", disk);
+ // --------------------------------------------------------------------
+ if(ddo_iotime) {
+ st = rrdset_find_bytype("disk_iotime", disk);
if(!st) {
- st = rrdset_create("disk_svctm", disk, NULL, disk, "Average Service Time", "ms per operation", 2007, update_every, RRDSET_TYPE_LINE);
+ 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, "svctm", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
+ rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next_usec(st, dt);
- rrddim_set(st, "svctm", ((reads - last_reads) + (writes - last_writes)) ? (busy_ms - last_busy_ms) / ((reads - last_reads) + (writes - last_writes)) : 0);
+ last_readms = rrddim_set(st, "reads", readms);
+ last_writems = rrddim_set(st, "writes", writems);
rrdset_done(st);
}
+
+ // --------------------------------------------------------------------
+ // calculate differential charts
+ // only if this is not the first time we run
+ if(dt) {
+ if(ddo_iotime && ddo_ops) {
+ st = rrdset_find_bytype("disk_await", disk);
+ if(!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);
+ }
+ else rrdset_next_usec(st, dt);
+
+ 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);
+ }
+
+ if(ddo_io && ddo_ops) {
+ st = rrdset_find_bytype("disk_avgsz", disk);
+ if(!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, sector_size, 1024, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "writes", NULL, -sector_size, 1024, RRDDIM_ABSOLUTE);
+ }
+ else rrdset_next_usec(st, dt);
+
+ 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);
+ }
+
+ if(ddo_util && ddo_ops) {
+ st = rrdset_find_bytype("disk_svctm", disk);
+ if(!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);
+ }
+ else rrdset_next_usec(st, dt);
+
+ 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);
+ }
+ }
}
- }
+ // --------------------------------------------------------------------------
+ // Do space metrics
+ def_space = config_get_boolean_ondemand(var_name, "enable space metrics", def_space);
+ if(def_space != CONFIG_ONDEMAND_NO) {
+ int ddo_space = do_space, ddo_inodes = do_inodes;
+
+ ddo_space = config_get_boolean_ondemand(var_name, "space", ddo_space);
+ ddo_inodes = config_get_boolean_ondemand(var_name, "inodes", ddo_space);
+ if(mount_point && (ddo_space || ddo_inodes) ) {
+ // collect space metrics using statvfs
+ if (statvfs(mount_point, &buff_statvfs) < 0) {
+ error("Failed checking disk space usage of %s", family);
+ } else {
+ // verify we collected the metrics for the right disk.
+ // if not the mountpoint has changed.
+ if(stat(mount_point, &buff_stat) == -1) {
+ error("Failed to call stat for %s", family);
+ } else {
+ if(major(buff_stat.st_dev) == major && minor(buff_stat.st_dev) == minor)
+ {
+ if(ddo_space) {
+ space_avail = buff_statvfs.f_bavail * buff_statvfs.f_bsize;
+ space_avail_root = (buff_statvfs.f_bfree - buff_statvfs.f_bavail) * buff_statvfs.f_bsize;
+ space_used = (buff_statvfs.f_blocks - buff_statvfs.f_bfree) * buff_statvfs.f_bsize;
+
+ st = rrdset_find_bytype("disk_space", disk);
+ if(!st) {
+ st = rrdset_create("disk_space", disk, NULL, family, "disk.space", "Disk Space Usage", "GB", 2023, update_every, RRDSET_TYPE_STACKED);
+ st->isdetail = 1;
+
+ rrddim_add(st, "avail", NULL, 1, 1000*1000*1000, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "reserved_for_root", "reserved for root", 1, 1000*1000*1000, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "used" , NULL, 1, 1000*1000*1000, RRDDIM_ABSOLUTE);
+ }
+ else rrdset_next_usec(st, dt);
+
+ rrddim_set(st, "avail", space_avail);
+ rrddim_set(st, "reserved_for_root", space_avail_root);
+ rrddim_set(st, "used", space_used);
+ rrdset_done(st);
+ }
+ if(ddo_inodes) {
+ inodes_avail = buff_statvfs.f_favail;
+ inodes_avail_root = buff_statvfs.f_ffree - buff_statvfs.f_favail;
+ inodes_used = buff_statvfs.f_files - buff_statvfs.f_ffree;
+
+ st = rrdset_find_bytype("disk_inodes", disk);
+ if(!st) {
+ st = rrdset_create("disk_inodes", disk, NULL, family, "disk.inodes", "Disk Inodes Usage", "Inodes", 2024, update_every, RRDSET_TYPE_STACKED);
+ st->isdetail = 1;
+
+ rrddim_add(st, "avail", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "reserved_for_root", "reserved for root", 1, 1, RRDDIM_ABSOLUTE);
+ rrddim_add(st, "used" , NULL, 1, 1, RRDDIM_ABSOLUTE);
+ }
+ else rrdset_next_usec(st, dt);
+
+ rrddim_set(st, "avail", inodes_avail);
+ rrddim_set(st, "reserved_for_root", inodes_avail_root);
+ rrddim_set(st, "used", inodes_used);
+ rrdset_done(st);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
return 0;
}
projects / netdata.git / blobdiff