diff options
Diffstat (limited to 'src/proc_vmstat.c')
| -rw-r--r-- | src/proc_vmstat.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/src/proc_vmstat.c b/src/proc_vmstat.c deleted file mode 100644 index 52e88d88..00000000 --- a/src/proc_vmstat.c +++ /dev/null @@ -1,255 +0,0 @@ -#include "common.h" - -int do_proc_vmstat(int update_every, usec_t dt) { - (void)dt; - - static procfile *ff = NULL; - static int do_swapio = -1, do_io = -1, do_pgfaults = -1, do_numa = -1; - static int has_numa = -1; - - static ARL_BASE *arl_base = NULL; - static unsigned long long numa_foreign = 0ULL; - static unsigned long long numa_hint_faults = 0ULL; - static unsigned long long numa_hint_faults_local = 0ULL; - static unsigned long long numa_huge_pte_updates = 0ULL; - static unsigned long long numa_interleave = 0ULL; - static unsigned long long numa_local = 0ULL; - static unsigned long long numa_other = 0ULL; - static unsigned long long numa_pages_migrated = 0ULL; - static unsigned long long numa_pte_updates = 0ULL; - static unsigned long long pgfault = 0ULL; - static unsigned long long pgmajfault = 0ULL; - static unsigned long long pgpgin = 0ULL; - static unsigned long long pgpgout = 0ULL; - static unsigned long long pswpin = 0ULL; - static unsigned long long pswpout = 0ULL; - - if(unlikely(!arl_base)) { - do_swapio = config_get_boolean_ondemand("plugin:proc:/proc/vmstat", "swap i/o", CONFIG_BOOLEAN_AUTO); - do_io = config_get_boolean("plugin:proc:/proc/vmstat", "disk i/o", 1); - do_pgfaults = config_get_boolean("plugin:proc:/proc/vmstat", "memory page faults", 1); - do_numa = config_get_boolean_ondemand("plugin:proc:/proc/vmstat", "system-wide numa metric summary", CONFIG_BOOLEAN_AUTO); - - - arl_base = arl_create("vmstat", NULL, 60); - arl_expect(arl_base, "pgfault", &pgfault); - arl_expect(arl_base, "pgmajfault", &pgmajfault); - arl_expect(arl_base, "pgpgin", &pgpgin); - arl_expect(arl_base, "pgpgout", &pgpgout); - arl_expect(arl_base, "pswpin", &pswpin); - arl_expect(arl_base, "pswpout", &pswpout); - - if(do_numa == CONFIG_BOOLEAN_YES || (do_numa == CONFIG_BOOLEAN_AUTO && get_numa_node_count() >= 2)) { - arl_expect(arl_base, "numa_foreign", &numa_foreign); - arl_expect(arl_base, "numa_hint_faults_local", &numa_hint_faults_local); - arl_expect(arl_base, "numa_hint_faults", &numa_hint_faults); - arl_expect(arl_base, "numa_huge_pte_updates", &numa_huge_pte_updates); - arl_expect(arl_base, "numa_interleave", &numa_interleave); - arl_expect(arl_base, "numa_local", &numa_local); - arl_expect(arl_base, "numa_other", &numa_other); - arl_expect(arl_base, "numa_pages_migrated", &numa_pages_migrated); - arl_expect(arl_base, "numa_pte_updates", &numa_pte_updates); - } - else { - // Do not expect numa metrics when they are not needed. - // By not adding them, the ARL will stop processing the file - // when all the expected metrics are collected. - // Also ARL will not parse their values. - has_numa = 0; - do_numa = CONFIG_BOOLEAN_NO; - } - } - - if(unlikely(!ff)) { - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/vmstat"); - ff = procfile_open(config_get("plugin:proc:/proc/vmstat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT); - if(unlikely(!ff)) return 1; - } - - ff = procfile_readall(ff); - if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time - - size_t lines = procfile_lines(ff), l; - - arl_begin(arl_base); - for(l = 0; l < lines ;l++) { - size_t words = procfile_linewords(ff, l); - if(unlikely(words < 2)) { - if(unlikely(words)) error("Cannot read /proc/vmstat line %zu. Expected 2 params, read %zu.", l, words); - continue; - } - - if(unlikely(arl_check(arl_base, - procfile_lineword(ff, l, 0), - procfile_lineword(ff, l, 1)))) break; - } - - // -------------------------------------------------------------------- - - if(pswpin || pswpout || do_swapio == CONFIG_BOOLEAN_YES) { - do_swapio = CONFIG_BOOLEAN_YES; - - static RRDSET *st_swapio = NULL; - static RRDDIM *rd_in = NULL, *rd_out = NULL; - - if(unlikely(!st_swapio)) { - st_swapio = rrdset_create_localhost( - "system" - , "swapio" - , NULL - , "swap" - , NULL - , "Swap I/O" - , "kilobytes/s" - , "proc" - , "vmstat" - , 250 - , update_every - , RRDSET_TYPE_AREA - ); - - rd_in = rrddim_add(st_swapio, "in", NULL, sysconf(_SC_PAGESIZE), 1024, RRD_ALGORITHM_INCREMENTAL); - rd_out = rrddim_add(st_swapio, "out", NULL, -sysconf(_SC_PAGESIZE), 1024, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st_swapio); - - rrddim_set_by_pointer(st_swapio, rd_in, pswpin); - rrddim_set_by_pointer(st_swapio, rd_out, pswpout); - rrdset_done(st_swapio); - } - - // -------------------------------------------------------------------- - - if(do_io) { - static RRDSET *st_io = NULL; - static RRDDIM *rd_in = NULL, *rd_out = NULL; - - if(unlikely(!st_io)) { - st_io = rrdset_create_localhost( - "system" - , "pgpgio" - , NULL - , "disk" - , NULL - , "Memory Paged from/to disk" - , "kilobytes/s" - , "proc" - , "vmstat" - , 151 - , update_every - , RRDSET_TYPE_AREA - ); - - rd_in = rrddim_add(st_io, "in", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_out = rrddim_add(st_io, "out", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st_io); - - rrddim_set_by_pointer(st_io, rd_in, pgpgin); - rrddim_set_by_pointer(st_io, rd_out, pgpgout); - rrdset_done(st_io); - } - - // -------------------------------------------------------------------- - - if(do_pgfaults) { - static RRDSET *st_pgfaults = NULL; - static RRDDIM *rd_minor = NULL, *rd_major = NULL; - - if(unlikely(!st_pgfaults)) { - st_pgfaults = rrdset_create_localhost( - "mem" - , "pgfaults" - , NULL - , "system" - , NULL - , "Memory Page Faults" - , "page faults/s" - , "proc" - , "vmstat" - , NETDATA_CHART_PRIO_MEM_SYSTEM_PGFAULTS - , update_every - , RRDSET_TYPE_LINE - ); - - rrdset_flag_set(st_pgfaults, RRDSET_FLAG_DETAIL); - - rd_minor = rrddim_add(st_pgfaults, "minor", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_major = rrddim_add(st_pgfaults, "major", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st_pgfaults); - - rrddim_set_by_pointer(st_pgfaults, rd_minor, pgfault); - rrddim_set_by_pointer(st_pgfaults, rd_major, pgmajfault); - rrdset_done(st_pgfaults); - } - - // -------------------------------------------------------------------- - - // Ondemand criteria for NUMA. Since this won't change at run time, we - // check it only once. We check whether the node count is >= 2 because - // single-node systems have uninteresting statistics (since all accesses - // are local). - if(unlikely(has_numa == -1)) - - has_numa = (numa_local || numa_foreign || numa_interleave || numa_other || numa_pte_updates || - numa_huge_pte_updates || numa_hint_faults || numa_hint_faults_local || numa_pages_migrated) ? 1 : 0; - - if(do_numa == CONFIG_BOOLEAN_YES || (do_numa == CONFIG_BOOLEAN_AUTO && has_numa)) { - do_numa = CONFIG_BOOLEAN_YES; - - static RRDSET *st_numa = NULL; - static RRDDIM *rd_local = NULL, *rd_foreign = NULL, *rd_interleave = NULL, *rd_other = NULL, *rd_pte_updates = NULL, *rd_huge_pte_updates = NULL, *rd_hint_faults = NULL, *rd_hint_faults_local = NULL, *rd_pages_migrated = NULL; - - if(unlikely(!st_numa)) { - st_numa = rrdset_create_localhost( - "mem" - , "numa" - , NULL - , "numa" - , NULL - , "NUMA events" - , "events/s" - , "proc" - , "vmstat" - , NETDATA_CHART_PRIO_MEM_NUMA - , update_every - , RRDSET_TYPE_LINE - ); - - rrdset_flag_set(st_numa, RRDSET_FLAG_DETAIL); - - // These depend on CONFIG_NUMA in the kernel. - rd_local = rrddim_add(st_numa, "local", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_foreign = rrddim_add(st_numa, "foreign", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_interleave = rrddim_add(st_numa, "interleave", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_other = rrddim_add(st_numa, "other", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - - // The following stats depend on CONFIG_NUMA_BALANCING in the - // kernel. - rd_pte_updates = rrddim_add(st_numa, "pte_updates", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_huge_pte_updates = rrddim_add(st_numa, "huge_pte_updates", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_hint_faults = rrddim_add(st_numa, "hint_faults", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_hint_faults_local = rrddim_add(st_numa, "hint_faults_local", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rd_pages_migrated = rrddim_add(st_numa, "pages_migrated", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st_numa); - - rrddim_set_by_pointer(st_numa, rd_local, numa_local); - rrddim_set_by_pointer(st_numa, rd_foreign, numa_foreign); - rrddim_set_by_pointer(st_numa, rd_interleave, numa_interleave); - rrddim_set_by_pointer(st_numa, rd_other, numa_other); - - rrddim_set_by_pointer(st_numa, rd_pte_updates, numa_pte_updates); - rrddim_set_by_pointer(st_numa, rd_huge_pte_updates, numa_huge_pte_updates); - rrddim_set_by_pointer(st_numa, rd_hint_faults, numa_hint_faults); - rrddim_set_by_pointer(st_numa, rd_hint_faults_local, numa_hint_faults_local); - rrddim_set_by_pointer(st_numa, rd_pages_migrated, numa_pages_migrated); - - rrdset_done(st_numa); - } - - return 0; -} - |