diff options
Diffstat (limited to 'collectors/proc.plugin/proc_diskstats.c')
| -rw-r--r-- | collectors/proc.plugin/proc_diskstats.c | 276 |
1 files changed, 270 insertions, 6 deletions
diff --git a/collectors/proc.plugin/proc_diskstats.c b/collectors/proc.plugin/proc_diskstats.c index b5d02f32..cfaf2134 100644 --- a/collectors/proc.plugin/proc_diskstats.c +++ b/collectors/proc.plugin/proc_diskstats.c @@ -32,6 +32,7 @@ static struct disk { int do_iotime; int do_qops; int do_util; + int do_ext; int do_backlog; int do_bcache; @@ -64,10 +65,17 @@ static struct disk { RRDDIM *rd_io_reads; RRDDIM *rd_io_writes; + RRDSET *st_ext_io; + RRDDIM *rd_io_discards; + RRDSET *st_ops; RRDDIM *rd_ops_reads; RRDDIM *rd_ops_writes; + RRDSET *st_ext_ops; + RRDDIM *rd_ops_discards; + RRDDIM *rd_ops_flushes; + RRDSET *st_qops; RRDDIM *rd_qops_operations; @@ -84,18 +92,32 @@ static struct disk { RRDDIM *rd_mops_reads; RRDDIM *rd_mops_writes; + RRDSET *st_ext_mops; + RRDDIM *rd_mops_discards; + RRDSET *st_iotime; RRDDIM *rd_iotime_reads; RRDDIM *rd_iotime_writes; + RRDSET *st_ext_iotime; + RRDDIM *rd_iotime_discards; + RRDDIM *rd_iotime_flushes; + RRDSET *st_await; RRDDIM *rd_await_reads; RRDDIM *rd_await_writes; + RRDSET *st_ext_await; + RRDDIM *rd_await_discards; + RRDDIM *rd_await_flushes; + RRDSET *st_avgsz; RRDDIM *rd_avgsz_reads; RRDDIM *rd_avgsz_writes; + RRDSET *st_ext_avgsz; + RRDDIM *rd_avgsz_discards; + RRDSET *st_svctm; RRDDIM *rd_svctm_svctm; @@ -164,6 +186,7 @@ static int global_enable_new_disks_detected_at_runtime = CONFIG_BOOLEAN_YES, global_do_iotime = CONFIG_BOOLEAN_AUTO, global_do_qops = CONFIG_BOOLEAN_AUTO, global_do_util = CONFIG_BOOLEAN_AUTO, + global_do_ext = CONFIG_BOOLEAN_AUTO, global_do_backlog = CONFIG_BOOLEAN_AUTO, global_do_bcache = CONFIG_BOOLEAN_AUTO, globals_initialized = 0, @@ -463,6 +486,7 @@ static void get_disk_config(struct disk *d) { d->do_iotime = CONFIG_BOOLEAN_NO; d->do_qops = CONFIG_BOOLEAN_NO; d->do_util = CONFIG_BOOLEAN_NO; + d->do_ext = CONFIG_BOOLEAN_NO; d->do_backlog = CONFIG_BOOLEAN_NO; d->do_bcache = CONFIG_BOOLEAN_NO; } @@ -513,6 +537,7 @@ static void get_disk_config(struct disk *d) { ddo_iotime = CONFIG_BOOLEAN_NO, ddo_qops = CONFIG_BOOLEAN_NO, ddo_util = CONFIG_BOOLEAN_NO, + ddo_ext = CONFIG_BOOLEAN_NO, ddo_backlog = CONFIG_BOOLEAN_NO, ddo_bcache = CONFIG_BOOLEAN_NO; @@ -524,6 +549,7 @@ static void get_disk_config(struct disk *d) { ddo_iotime = global_do_iotime, ddo_qops = global_do_qops, ddo_util = global_do_util, + ddo_ext = global_do_ext, ddo_backlog = global_do_backlog, ddo_bcache = global_do_bcache; } @@ -534,6 +560,7 @@ static void get_disk_config(struct disk *d) { d->do_iotime = config_get_boolean_ondemand(var_name, "i/o time", ddo_iotime); 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_ext = config_get_boolean_ondemand(var_name, "extended operations", ddo_ext); d->do_backlog = config_get_boolean_ondemand(var_name, "backlog", ddo_backlog); if(d->device_is_bcache) @@ -820,6 +847,7 @@ int do_proc_diskstats(int update_every, usec_t dt) { global_do_iotime = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_DISKSTATS, "i/o time for all disks", global_do_iotime); global_do_qops = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_DISKSTATS, "queued operations for all disks", global_do_qops); global_do_util = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_DISKSTATS, "utilization percentage for all disks", global_do_util); + global_do_ext = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_DISKSTATS, "extended operations for all disks", global_do_ext); global_do_backlog = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_DISKSTATS, "backlog for all disks", global_do_backlog); global_do_bcache = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_DISKSTATS, "bcache for all disks", global_do_bcache); global_bcache_priority_stats_update_every = (int)config_get_number(CONFIG_SECTION_PLUGIN_PROC_DISKSTATS, "bcache priority stats update every", global_bcache_priority_stats_update_every); @@ -889,6 +917,8 @@ int do_proc_diskstats(int update_every, usec_t dt) { collected_number system_read_kb = 0, system_write_kb = 0; + int do_dc_stats = 0, do_fl_stats = 0; + for(l = 0; l < lines ;l++) { // -------------------------------------------------------------------------- // Read parameters @@ -898,11 +928,16 @@ int do_proc_diskstats(int update_every, usec_t dt) { collected_number 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, + discards = 0, mdiscards = 0, discardsectors = 0, discardms = 0, + flushes = 0, flushms = 0; + collected_number last_reads = 0, last_readsectors = 0, last_readms = 0, last_writes = 0, last_writesectors = 0, last_writems = 0, - last_busy_ms = 0; + last_busy_ms = 0, + last_discards = 0, last_discardsectors = 0, last_discardms = 0, + last_flushes = 0, last_flushms = 0; size_t words = procfile_linewords(ff, l); if(unlikely(words < 14)) continue; @@ -951,6 +986,40 @@ int do_proc_diskstats(int update_every, usec_t dt) { // I/O completion time and the backlog that may be accumulating. backlog_ms = str2ull(procfile_lineword(ff, l, 13)); // rq_ticks + if (unlikely(words > 13)) { + do_dc_stats = 1; + + // # of discards completed + // This is the total number of discards completed successfully. + discards = str2ull(procfile_lineword(ff, l, 14)); // dc_ios + + // # of discards merged + // See the description of mreads/mwrites + mdiscards = str2ull(procfile_lineword(ff, l, 15)); // dc_merges + + // # of sectors discarded + // This is the total number of sectors discarded successfully. + discardsectors = str2ull(procfile_lineword(ff, l, 16)); // dc_sec + + // # of milliseconds spent discarding + // This is the total number of milliseconds spent by all discards (as + // measured from __make_request() to end_that_request_last()). + discardms = str2ull(procfile_lineword(ff, l, 17)); // dc_ticks + } + + if (unlikely(words > 17)) { + do_fl_stats = 1; + + // number of flush I/Os processed + // These values increment when an flush I/O request completes. + // Block layer combines flush requests and executes at most one at a time. + // This counts flush requests executed by disk. Not tracked for partitions. + flushes = str2ull(procfile_lineword(ff, l, 18)); // fl_ios + + // total wait time for flush requests + flushms = str2ull(procfile_lineword(ff, l, 19)); // fl_ticks + } + // -------------------------------------------------------------------------- // get a disk structure for the disk @@ -976,7 +1045,7 @@ int do_proc_diskstats(int update_every, usec_t dt) { // Do performance metrics if(d->do_io == CONFIG_BOOLEAN_YES || (d->do_io == CONFIG_BOOLEAN_AUTO && - (readsectors || writesectors || + (readsectors || writesectors || discardsectors || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { d->do_io = CONFIG_BOOLEAN_YES; @@ -1008,8 +1077,37 @@ int do_proc_diskstats(int update_every, usec_t dt) { // -------------------------------------------------------------------- + if (do_dc_stats && d->do_io == CONFIG_BOOLEAN_YES && d->do_ext != CONFIG_BOOLEAN_NO) { + if (unlikely(!d->st_ext_io)) { + d->st_ext_io = rrdset_create_localhost( + "disk_ext" + , d->device + , d->disk + , family + , "disk_ext.io" + , "Amount of Discarded Data" + , "KiB/s" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_DISKSTATS_NAME + , NETDATA_CHART_PRIO_DISK_IO + 1 + , update_every + , RRDSET_TYPE_AREA + ); + + d->rd_io_discards = + rrddim_add(d->st_ext_io, "discards", NULL, d->sector_size, 1024, RRD_ALGORITHM_INCREMENTAL); + } else + rrdset_next(d->st_ext_io); + + last_discardsectors = rrddim_set_by_pointer(d->st_ext_io, d->rd_io_discards, discardsectors); + rrdset_done(d->st_ext_io); + } + + // -------------------------------------------------------------------- + if(d->do_ops == CONFIG_BOOLEAN_YES || (d->do_ops == CONFIG_BOOLEAN_AUTO && - (reads || writes || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { + (reads || writes || discards || flushes || + netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { d->do_ops = CONFIG_BOOLEAN_YES; if(unlikely(!d->st_ops)) { @@ -1042,6 +1140,39 @@ int do_proc_diskstats(int update_every, usec_t dt) { // -------------------------------------------------------------------- + if (do_dc_stats && d->do_ops == CONFIG_BOOLEAN_YES && d->do_ext != CONFIG_BOOLEAN_NO) { + if (unlikely(!d->st_ext_ops)) { + d->st_ext_ops = rrdset_create_localhost( + "disk_ext_ops" + , d->device + , d->disk + , family + , "disk_ext.ops" + , "Disk Completed Extended I/O Operations" + , "operations/s" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_DISKSTATS_NAME + , NETDATA_CHART_PRIO_DISK_OPS + 1 + , update_every + , RRDSET_TYPE_LINE + ); + + rrdset_flag_set(d->st_ext_ops, RRDSET_FLAG_DETAIL); + + d->rd_ops_discards = rrddim_add(d->st_ext_ops, "discards", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + if (do_fl_stats) + d->rd_ops_flushes = rrddim_add(d->st_ext_ops, "flushes", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + } else + rrdset_next(d->st_ext_ops); + + last_discards = rrddim_set_by_pointer(d->st_ext_ops, d->rd_ops_discards, discards); + if (do_fl_stats) + last_flushes = rrddim_set_by_pointer(d->st_ext_ops, d->rd_ops_flushes, flushes); + rrdset_done(d->st_ext_ops); + } + + // -------------------------------------------------------------------- + if(d->do_qops == CONFIG_BOOLEAN_YES || (d->do_qops == CONFIG_BOOLEAN_AUTO && (queued_ios || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { d->do_qops = CONFIG_BOOLEAN_YES; @@ -1171,7 +1302,8 @@ int do_proc_diskstats(int update_every, usec_t dt) { // -------------------------------------------------------------------- if(d->do_mops == CONFIG_BOOLEAN_YES || (d->do_mops == CONFIG_BOOLEAN_AUTO && - (mreads || mwrites || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { + (mreads || mwrites || mdiscards || + netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { d->do_mops = CONFIG_BOOLEAN_YES; if(unlikely(!d->st_mops)) { @@ -1204,8 +1336,39 @@ int do_proc_diskstats(int update_every, usec_t dt) { // -------------------------------------------------------------------- + if(do_dc_stats && d->do_mops == CONFIG_BOOLEAN_YES && d->do_ext != CONFIG_BOOLEAN_NO) { + d->do_mops = CONFIG_BOOLEAN_YES; + + if(unlikely(!d->st_ext_mops)) { + d->st_ext_mops = rrdset_create_localhost( + "disk_ext_mops" + , d->device + , d->disk + , family + , "disk_ext.mops" + , "Disk Merged Discard Operations" + , "merged operations/s" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_DISKSTATS_NAME + , NETDATA_CHART_PRIO_DISK_MOPS + 1 + , update_every + , RRDSET_TYPE_LINE + ); + + rrdset_flag_set(d->st_ext_mops, RRDSET_FLAG_DETAIL); + + d->rd_mops_discards = rrddim_add(d->st_ext_mops, "discards", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + } else + rrdset_next(d->st_ext_mops); + + rrddim_set_by_pointer(d->st_ext_mops, d->rd_mops_discards, mdiscards); + rrdset_done(d->st_ext_mops); + } + + // -------------------------------------------------------------------- + if(d->do_iotime == CONFIG_BOOLEAN_YES || (d->do_iotime == CONFIG_BOOLEAN_AUTO && - (readms || writems || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { + (readms || writems || discardms || flushms || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { d->do_iotime = CONFIG_BOOLEAN_YES; if(unlikely(!d->st_iotime)) { @@ -1237,6 +1400,40 @@ int do_proc_diskstats(int update_every, usec_t dt) { } // -------------------------------------------------------------------- + + if(do_dc_stats && d->do_iotime == CONFIG_BOOLEAN_YES && d->do_ext != CONFIG_BOOLEAN_NO) { + if(unlikely(!d->st_ext_iotime)) { + d->st_ext_iotime = rrdset_create_localhost( + "disk_ext_iotime" + , d->device + , d->disk + , family + , "disk_ext.iotime" + , "Disk Total I/O Time for Extended Operations" + , "milliseconds/s" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_DISKSTATS_NAME + , NETDATA_CHART_PRIO_DISK_IOTIME + 1 + , update_every + , RRDSET_TYPE_LINE + ); + + rrdset_flag_set(d->st_ext_iotime, RRDSET_FLAG_DETAIL); + + d->rd_iotime_discards = rrddim_add(d->st_ext_iotime, "discards", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + if (do_fl_stats) + d->rd_iotime_flushes = + rrddim_add(d->st_ext_iotime, "flushes", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + } else + rrdset_next(d->st_ext_iotime); + + last_discardms = rrddim_set_by_pointer(d->st_ext_iotime, d->rd_iotime_discards, discardms); + if (do_fl_stats) + last_flushms = rrddim_set_by_pointer(d->st_ext_iotime, d->rd_iotime_flushes, flushms); + rrdset_done(d->st_ext_iotime); + } + + // -------------------------------------------------------------------- // calculate differential charts // only if this is not the first time we run @@ -1276,6 +1473,42 @@ int do_proc_diskstats(int update_every, usec_t dt) { rrdset_done(d->st_await); } + if (do_dc_stats && d->do_iotime == CONFIG_BOOLEAN_YES && d->do_ops == CONFIG_BOOLEAN_YES && d->do_ext != CONFIG_BOOLEAN_NO) { + if(unlikely(!d->st_ext_await)) { + d->st_ext_await = rrdset_create_localhost( + "disk_ext_await" + , d->device + , d->disk + , family + , "disk_ext.await" + , "Average Completed Extended I/O Operation Time" + , "milliseconds/operation" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_DISKSTATS_NAME + , NETDATA_CHART_PRIO_DISK_AWAIT + 1 + , update_every + , RRDSET_TYPE_LINE + ); + + rrdset_flag_set(d->st_ext_await, RRDSET_FLAG_DETAIL); + + d->rd_await_discards = rrddim_add(d->st_ext_await, "discards", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); + if (do_fl_stats) + d->rd_await_flushes = + rrddim_add(d->st_ext_await, "flushes", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); + } else + rrdset_next(d->st_ext_await); + + rrddim_set_by_pointer( + d->st_ext_await, d->rd_await_discards, + (discards - last_discards) ? (discardms - last_discardms) / (discards - last_discards) : 0); + if (do_fl_stats) + rrddim_set_by_pointer( + d->st_ext_await, d->rd_await_flushes, + (flushes - last_flushes) ? (flushms - last_flushms) / (flushes - last_flushes) : 0); + rrdset_done(d->st_ext_await); + } + if( (d->do_io == CONFIG_BOOLEAN_YES || (d->do_io == CONFIG_BOOLEAN_AUTO && (readsectors || writesectors || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) && (d->do_ops == CONFIG_BOOLEAN_YES || (d->do_ops == CONFIG_BOOLEAN_AUTO && @@ -1309,6 +1542,37 @@ int do_proc_diskstats(int update_every, usec_t dt) { rrdset_done(d->st_avgsz); } + if(do_dc_stats && d->do_io == CONFIG_BOOLEAN_YES && d->do_ops == CONFIG_BOOLEAN_YES && d->do_ext != CONFIG_BOOLEAN_NO) { + if(unlikely(!d->st_ext_avgsz)) { + d->st_ext_avgsz = rrdset_create_localhost( + "disk_ext_avgsz" + , d->device + , d->disk + , family + , "disk_ext.avgsz" + , "Average Amount of Discarded Data" + , "KiB/operation" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_DISKSTATS_NAME + , NETDATA_CHART_PRIO_DISK_AVGSZ + , update_every + , RRDSET_TYPE_AREA + ); + + rrdset_flag_set(d->st_ext_avgsz, RRDSET_FLAG_DETAIL); + + d->rd_avgsz_discards = + rrddim_add(d->st_ext_avgsz, "discards", NULL, d->sector_size, 1024, RRD_ALGORITHM_ABSOLUTE); + } else + rrdset_next(d->st_ext_avgsz); + + rrddim_set_by_pointer( + d->st_ext_avgsz, d->rd_avgsz_discards, + (discards - last_discards) ? (discardsectors - last_discardsectors) / (discards - last_discards) : + 0); + rrdset_done(d->st_ext_avgsz); + } + if( (d->do_util == CONFIG_BOOLEAN_YES || (d->do_util == CONFIG_BOOLEAN_AUTO && (busy_ms || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) && |