diff options
Diffstat (limited to 'src/proc_diskstats.c')
| -rw-r--r-- | src/proc_diskstats.c | 556 |
1 files changed, 366 insertions, 190 deletions
diff --git a/src/proc_diskstats.c b/src/proc_diskstats.c index 9ccac6dc7..a1b4072dd 100644 --- a/src/proc_diskstats.c +++ b/src/proc_diskstats.c @@ -6,6 +6,9 @@ #define DISK_TYPE_PARTITION 2 #define DISK_TYPE_CONTAINER 3 +#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) unsigned long major; @@ -25,9 +28,24 @@ static struct disk { int do_util; int do_backlog; + int updated; + + 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; + struct disk *next; } *disk_root = NULL; +#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] = ""; @@ -46,7 +64,7 @@ static struct disk *get_disk(unsigned long major, unsigned long minor, char *dis // 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; @@ -72,8 +90,8 @@ static struct disk *get_disk(unsigned long major, unsigned long minor, char *dis // 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 @@ -126,12 +144,12 @@ static struct disk *get_disk(unsigned long major, unsigned long minor, char *dis // 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)); } { @@ -170,7 +188,7 @@ static struct disk *get_disk(unsigned long major, unsigned long minor, char *dis } static inline int is_major_enabled(int major) { - static char *major_configs = NULL; + static int8_t *major_configs = NULL; static size_t major_size = 0; if(major < 0) return 1; @@ -178,7 +196,7 @@ static inline int is_major_enabled(int major) { size_t wanted_size = (size_t)major + 1; if(major_size < wanted_size) { - major_configs = reallocz(major_configs, wanted_size); + major_configs = reallocz(major_configs, wanted_size * sizeof(int8_t)); size_t i; for(i = major_size; i < wanted_size ; i++) @@ -190,43 +208,40 @@ static inline int is_major_enabled(int major) { 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("plugin:proc:/proc/diskstats", buffer, 1); + major_configs[major] = (char)config_get_boolean(CONFIG_SECTION_DISKSTATS, buffer, 1); } - return major_configs[major]; + 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_ONDEMAND, - global_enable_performance_for_partitions = CONFIG_ONDEMAND_NO, - 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_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; } @@ -235,8 +250,8 @@ int do_proc_diskstats(int update_every, usec_t dt) { 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 0; @@ -318,7 +333,7 @@ int do_proc_diskstats(int update_every, usec_t dt) { // 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 @@ -331,25 +346,41 @@ int do_proc_diskstats(int update_every, usec_t dt) { // 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_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_performance = CONFIG_BOOLEAN_AUTO; // since this is 'on demand' we can figure the performance settings // based on the type of disk @@ -380,16 +411,16 @@ int do_proc_diskstats(int update_every, usec_t dt) { // 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, @@ -407,144 +438,216 @@ int do_proc_diskstats(int update_every, usec_t dt) { 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); } - - 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); } // -------------------------------------------------------------------- @@ -552,54 +655,127 @@ int do_proc_diskstats(int update_every, usec_t dt) { // 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(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); + } + } + } - 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); + // 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; } + + freez(t->disk); + freez(t->mount_point); + freez(t); + } + else { + d->updated = 0; + last = d; + d = d->next; } } |