/* * libprocps - Library to read proc filesystem * * Copyright (C) 1995 Martin Schulze * Copyright (C) 1996 Charles Blake * Copyright (C) 2003 Albert Cahalan * Copyright (C) 2015 Craig Small * Copyright (C) 2016 Jim Warner * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #define VMSTAT_FILE "/proc/vmstat" struct vmstat_data { unsigned long allocstall; unsigned long balloon_deflate; unsigned long balloon_inflate; unsigned long balloon_migrate; unsigned long compact_fail; unsigned long compact_free_scanned; unsigned long compact_isolated; unsigned long compact_migrate_scanned; unsigned long compact_stall; unsigned long compact_success; unsigned long drop_pagecache; unsigned long drop_slab; unsigned long htlb_buddy_alloc_fail; unsigned long htlb_buddy_alloc_success; unsigned long kswapd_high_wmark_hit_quickly; unsigned long kswapd_inodesteal; unsigned long kswapd_low_wmark_hit_quickly; unsigned long nr_active_anon; unsigned long nr_active_file; unsigned long nr_alloc_batch; unsigned long nr_anon_pages; unsigned long nr_anon_transparent_hugepages; unsigned long nr_bounce; unsigned long nr_dirtied; unsigned long nr_dirty; unsigned long nr_dirty_background_threshold; unsigned long nr_dirty_threshold; unsigned long nr_file_pages; unsigned long nr_free_cma; unsigned long nr_free_pages; unsigned long nr_inactive_anon; unsigned long nr_inactive_file; unsigned long nr_isolated_anon; unsigned long nr_isolated_file; unsigned long nr_kernel_stack; unsigned long nr_mapped; unsigned long nr_mlock; unsigned long nr_pages_scanned; // note: alphabetic WHEN capitalized (as w/ enum) unsigned long nr_page_table_pages; // note: alphabetic WHEN capitalized (as w/ enum) unsigned long nr_shmem; unsigned long nr_slab_reclaimable; unsigned long nr_slab_unreclaimable; unsigned long nr_unevictable; unsigned long nr_unstable; unsigned long nr_vmscan_immediate_reclaim; unsigned long nr_vmscan_write; unsigned long nr_writeback; unsigned long nr_writeback_temp; unsigned long nr_written; unsigned long numa_foreign; unsigned long numa_hint_faults; unsigned long numa_hint_faults_local; unsigned long numa_hit; unsigned long numa_huge_pte_updates; unsigned long numa_interleave; unsigned long numa_local; unsigned long numa_miss; unsigned long numa_other; unsigned long numa_pages_migrated; unsigned long numa_pte_updates; unsigned long pageoutrun; unsigned long pgactivate; unsigned long pgalloc_dma; unsigned long pgalloc_dma32; unsigned long pgalloc_movable; unsigned long pgalloc_normal; unsigned long pgdeactivate; unsigned long pgfault; unsigned long pgfree; unsigned long pginodesteal; unsigned long pgmajfault; unsigned long pgmigrate_fail; unsigned long pgmigrate_success; unsigned long pgpgin; unsigned long pgpgout; unsigned long pgrefill_dma; unsigned long pgrefill_dma32; unsigned long pgrefill_movable; unsigned long pgrefill_normal; unsigned long pgrotated; unsigned long pgscan_direct_dma; unsigned long pgscan_direct_dma32; unsigned long pgscan_direct_movable; unsigned long pgscan_direct_normal; unsigned long pgscan_direct_throttle; unsigned long pgscan_kswapd_dma; unsigned long pgscan_kswapd_dma32; unsigned long pgscan_kswapd_movable; unsigned long pgscan_kswapd_normal; unsigned long pgsteal_direct_dma; unsigned long pgsteal_direct_dma32; unsigned long pgsteal_direct_movable; unsigned long pgsteal_direct_normal; unsigned long pgsteal_kswapd_dma; unsigned long pgsteal_kswapd_dma32; unsigned long pgsteal_kswapd_movable; unsigned long pgsteal_kswapd_normal; unsigned long pswpin; unsigned long pswpout; unsigned long slabs_scanned; unsigned long thp_collapse_alloc; unsigned long thp_collapse_alloc_failed; unsigned long thp_fault_alloc; unsigned long thp_fault_fallback; unsigned long thp_split; unsigned long thp_zero_page_alloc; unsigned long thp_zero_page_alloc_failed; unsigned long unevictable_pgs_cleared; unsigned long unevictable_pgs_culled; unsigned long unevictable_pgs_mlocked; unsigned long unevictable_pgs_munlocked; unsigned long unevictable_pgs_rescued; unsigned long unevictable_pgs_scanned; unsigned long unevictable_pgs_stranded; unsigned long workingset_activate; unsigned long workingset_nodereclaim; unsigned long workingset_refault; unsigned long zone_reclaim_failed; }; struct vmstat_hist { struct vmstat_data new; struct vmstat_data old; }; struct stacks_extent { int ext_numstacks; struct stacks_extent *next; struct vmstat_stack **stacks; }; struct procps_vmstat { int refcount; int vmstat_fd; int vmstat_was_read; int dirty_stacks; struct vmstat_hist hist; int numitems; enum vmstat_item *items; struct stacks_extent *extents; struct hsearch_data hashtab; }; // ___ Results 'Set' Support |||||||||||||||||||||||||||||||||||||||||||||||||| #define setNAME(e) set_results_ ## e #define setDECL(e) static void setNAME(e) \ (struct vmstat_result *R, struct vmstat_hist *H) // regular assignment #define REG_set(e,x) setDECL(e) { R->result.ul_int = H->new . x; } // delta assignment #define HST_set(e,x) setDECL(e) { R->result.sl_int = ( H->new . x - H->old. x ); } setDECL(noop) { (void)R; (void)H; } setDECL(extra) { (void)R; (void)H; } REG_set(ALLOCSTALL, allocstall) REG_set(BALLOON_DEFLATE, balloon_deflate) REG_set(BALLOON_INFLATE, balloon_inflate) REG_set(BALLOON_MIGRATE, balloon_migrate) REG_set(COMPACT_FAIL, compact_fail) REG_set(COMPACT_FREE_SCANNED, compact_free_scanned) REG_set(COMPACT_ISOLATED, compact_isolated) REG_set(COMPACT_MIGRATE_SCANNED, compact_migrate_scanned) REG_set(COMPACT_STALL, compact_stall) REG_set(COMPACT_SUCCESS, compact_success) REG_set(DROP_PAGECACHE, drop_pagecache) REG_set(DROP_SLAB, drop_slab) REG_set(HTLB_BUDDY_ALLOC_FAIL, htlb_buddy_alloc_fail) REG_set(HTLB_BUDDY_ALLOC_SUCCESS, htlb_buddy_alloc_success) REG_set(KSWAPD_HIGH_WMARK_HIT_QUICKLY, kswapd_high_wmark_hit_quickly) REG_set(KSWAPD_INODESTEAL, kswapd_inodesteal) REG_set(KSWAPD_LOW_WMARK_HIT_QUICKLY, kswapd_low_wmark_hit_quickly) REG_set(NR_ACTIVE_ANON, nr_active_anon) REG_set(NR_ACTIVE_FILE, nr_active_file) REG_set(NR_ALLOC_BATCH, nr_alloc_batch) REG_set(NR_ANON_PAGES, nr_anon_pages) REG_set(NR_ANON_TRANSPARENT_HUGEPAGES, nr_anon_transparent_hugepages) REG_set(NR_BOUNCE, nr_bounce) REG_set(NR_DIRTIED, nr_dirtied) REG_set(NR_DIRTY, nr_dirty) REG_set(NR_DIRTY_BACKGROUND_THRESHOLD, nr_dirty_background_threshold) REG_set(NR_DIRTY_THRESHOLD, nr_dirty_threshold) REG_set(NR_FILE_PAGES, nr_file_pages) REG_set(NR_FREE_CMA, nr_free_cma) REG_set(NR_FREE_PAGES, nr_free_pages) REG_set(NR_INACTIVE_ANON, nr_inactive_anon) REG_set(NR_INACTIVE_FILE, nr_inactive_file) REG_set(NR_ISOLATED_ANON, nr_isolated_anon) REG_set(NR_ISOLATED_FILE, nr_isolated_file) REG_set(NR_KERNEL_STACK, nr_kernel_stack) REG_set(NR_MAPPED, nr_mapped) REG_set(NR_MLOCK, nr_mlock) REG_set(NR_PAGES_SCANNED, nr_pages_scanned) REG_set(NR_PAGE_TABLE_PAGES, nr_page_table_pages) REG_set(NR_SHMEM, nr_shmem) REG_set(NR_SLAB_RECLAIMABLE, nr_slab_reclaimable) REG_set(NR_SLAB_UNRECLAIMABLE, nr_slab_unreclaimable) REG_set(NR_UNEVICTABLE, nr_unevictable) REG_set(NR_UNSTABLE, nr_unstable) REG_set(NR_VMSCAN_IMMEDIATE_RECLAIM, nr_vmscan_immediate_reclaim) REG_set(NR_VMSCAN_WRITE, nr_vmscan_write) REG_set(NR_WRITEBACK, nr_writeback) REG_set(NR_WRITEBACK_TEMP, nr_writeback_temp) REG_set(NR_WRITTEN, nr_written) REG_set(NUMA_FOREIGN, numa_foreign) REG_set(NUMA_HINT_FAULTS, numa_hint_faults) REG_set(NUMA_HINT_FAULTS_LOCAL, numa_hint_faults_local) REG_set(NUMA_HIT, numa_hit) REG_set(NUMA_HUGE_PTE_UPDATES, numa_huge_pte_updates) REG_set(NUMA_INTERLEAVE, numa_interleave) REG_set(NUMA_LOCAL, numa_local) REG_set(NUMA_MISS, numa_miss) REG_set(NUMA_OTHER, numa_other) REG_set(NUMA_PAGES_MIGRATED, numa_pages_migrated) REG_set(NUMA_PTE_UPDATES, numa_pte_updates) REG_set(PAGEOUTRUN, pageoutrun) REG_set(PGACTIVATE, pgactivate) REG_set(PGALLOC_DMA, pgalloc_dma) REG_set(PGALLOC_DMA32, pgalloc_dma32) REG_set(PGALLOC_MOVABLE, pgalloc_movable) REG_set(PGALLOC_NORMAL, pgalloc_normal) REG_set(PGDEACTIVATE, pgdeactivate) REG_set(PGFAULT, pgfault) REG_set(PGFREE, pgfree) REG_set(PGINODESTEAL, pginodesteal) REG_set(PGMAJFAULT, pgmajfault) REG_set(PGMIGRATE_FAIL, pgmigrate_fail) REG_set(PGMIGRATE_SUCCESS, pgmigrate_success) REG_set(PGPGIN, pgpgin) REG_set(PGPGOUT, pgpgout) REG_set(PGREFILL_DMA, pgrefill_dma) REG_set(PGREFILL_DMA32, pgrefill_dma32) REG_set(PGREFILL_MOVABLE, pgrefill_movable) REG_set(PGREFILL_NORMAL, pgrefill_normal) REG_set(PGROTATED, pgrotated) REG_set(PGSCAN_DIRECT_DMA, pgscan_direct_dma) REG_set(PGSCAN_DIRECT_DMA32, pgscan_direct_dma32) REG_set(PGSCAN_DIRECT_MOVABLE, pgscan_direct_movable) REG_set(PGSCAN_DIRECT_NORMAL, pgscan_direct_normal) REG_set(PGSCAN_DIRECT_THROTTLE, pgscan_direct_throttle) REG_set(PGSCAN_KSWAPD_DMA, pgscan_kswapd_dma) REG_set(PGSCAN_KSWAPD_DMA32, pgscan_kswapd_dma32) REG_set(PGSCAN_KSWAPD_MOVEABLE, pgscan_kswapd_movable) REG_set(PGSCAN_KSWAPD_NORMAL, pgscan_kswapd_normal) REG_set(PGSTEAL_DIRECT_DMA, pgsteal_direct_dma) REG_set(PGSTEAL_DIRECT_DMA32, pgsteal_direct_dma32) REG_set(PGSTEAL_DIRECT_MOVABLE, pgsteal_direct_movable) REG_set(PGSTEAL_DIRECT_NORMAL, pgsteal_direct_normal) REG_set(PGSTEAL_KSWAPD_DMA, pgsteal_kswapd_dma) REG_set(PGSTEAL_KSWAPD_DMA32, pgsteal_kswapd_dma32) REG_set(PGSTEAL_KSWAPD_MOVABLE, pgsteal_kswapd_movable) REG_set(PGSTEAL_KSWAPD_NORMAL, pgsteal_kswapd_normal) REG_set(PSWPIN, pswpin) REG_set(PSWPOUT, pswpout) REG_set(SLABS_SCANNED, slabs_scanned) REG_set(THP_COLLAPSE_ALLOC, thp_collapse_alloc) REG_set(THP_COLLAPSE_ALLOC_FAILED, thp_collapse_alloc_failed) REG_set(THP_FAULT_ALLOC, thp_fault_alloc) REG_set(THP_FAULT_FALLBACK, thp_fault_fallback) REG_set(THP_SPLIT, thp_split) REG_set(THP_ZERO_PAGE_ALLOC, thp_zero_page_alloc) REG_set(THP_ZERO_PAGE_ALLOC_FAILED, thp_zero_page_alloc_failed) REG_set(UNEVICTABLE_PGS_CLEARED, unevictable_pgs_cleared) REG_set(UNEVICTABLE_PGS_CULLED, unevictable_pgs_culled) REG_set(UNEVICTABLE_PGS_MLOCKED, unevictable_pgs_mlocked) REG_set(UNEVICTABLE_PGS_MUNLOCKED, unevictable_pgs_munlocked) REG_set(UNEVICTABLE_PGS_RESCUED, unevictable_pgs_rescued) REG_set(UNEVICTABLE_PGS_SCANNED, unevictable_pgs_scanned) REG_set(UNEVICTABLE_PGS_STRANDED, unevictable_pgs_stranded) REG_set(WORKINGSET_ACTIVATE, workingset_activate) REG_set(WORKINGSET_NODERECLAIM, workingset_nodereclaim) REG_set(WORKINGSET_REFAULT, workingset_refault) REG_set(ZONE_RECLAIM_FAILED, zone_reclaim_failed) HST_set(DELTA_ALLOCSTALL, allocstall) HST_set(DELTA_BALLOON_DEFLATE, balloon_deflate) HST_set(DELTA_BALLOON_INFLATE, balloon_inflate) HST_set(DELTA_BALLOON_MIGRATE, balloon_migrate) HST_set(DELTA_COMPACT_FAIL, compact_fail) HST_set(DELTA_COMPACT_FREE_SCANNED, compact_free_scanned) HST_set(DELTA_COMPACT_ISOLATED, compact_isolated) HST_set(DELTA_COMPACT_MIGRATE_SCANNED, compact_migrate_scanned) HST_set(DELTA_COMPACT_STALL, compact_stall) HST_set(DELTA_COMPACT_SUCCESS, compact_success) HST_set(DELTA_DROP_PAGECACHE, drop_pagecache) HST_set(DELTA_DROP_SLAB, drop_slab) HST_set(DELTA_HTLB_BUDDY_ALLOC_FAIL, htlb_buddy_alloc_fail) HST_set(DELTA_HTLB_BUDDY_ALLOC_SUCCESS, htlb_buddy_alloc_success) HST_set(DELTA_KSWAPD_HIGH_WMARK_HIT_QUICKLY, kswapd_high_wmark_hit_quickly) HST_set(DELTA_KSWAPD_INODESTEAL, kswapd_inodesteal) HST_set(DELTA_KSWAPD_LOW_WMARK_HIT_QUICKLY, kswapd_low_wmark_hit_quickly) HST_set(DELTA_NR_ACTIVE_ANON, nr_active_anon) HST_set(DELTA_NR_ACTIVE_FILE, nr_active_file) HST_set(DELTA_NR_ALLOC_BATCH, nr_alloc_batch) HST_set(DELTA_NR_ANON_PAGES, nr_anon_pages) HST_set(DELTA_NR_ANON_TRANSPARENT_HUGEPAGES, nr_anon_transparent_hugepages) HST_set(DELTA_NR_BOUNCE, nr_bounce) HST_set(DELTA_NR_DIRTIED, nr_dirtied) HST_set(DELTA_NR_DIRTY, nr_dirty) HST_set(DELTA_NR_DIRTY_BACKGROUND_THRESHOLD, nr_dirty_background_threshold) HST_set(DELTA_NR_DIRTY_THRESHOLD, nr_dirty_threshold) HST_set(DELTA_NR_FILE_PAGES, nr_file_pages) HST_set(DELTA_NR_FREE_CMA, nr_free_cma) HST_set(DELTA_NR_FREE_PAGES, nr_free_pages) HST_set(DELTA_NR_INACTIVE_ANON, nr_inactive_anon) HST_set(DELTA_NR_INACTIVE_FILE, nr_inactive_file) HST_set(DELTA_NR_ISOLATED_ANON, nr_isolated_anon) HST_set(DELTA_NR_ISOLATED_FILE, nr_isolated_file) HST_set(DELTA_NR_KERNEL_STACK, nr_kernel_stack) HST_set(DELTA_NR_MAPPED, nr_mapped) HST_set(DELTA_NR_MLOCK, nr_mlock) HST_set(DELTA_NR_PAGES_SCANNED, nr_pages_scanned) HST_set(DELTA_NR_PAGE_TABLE_PAGES, nr_page_table_pages) HST_set(DELTA_NR_SHMEM, nr_shmem) HST_set(DELTA_NR_SLAB_RECLAIMABLE, nr_slab_reclaimable) HST_set(DELTA_NR_SLAB_UNRECLAIMABLE, nr_slab_unreclaimable) HST_set(DELTA_NR_UNEVICTABLE, nr_unevictable) HST_set(DELTA_NR_UNSTABLE, nr_unstable) HST_set(DELTA_NR_VMSCAN_IMMEDIATE_RECLAIM, nr_vmscan_immediate_reclaim) HST_set(DELTA_NR_VMSCAN_WRITE, nr_vmscan_write) HST_set(DELTA_NR_WRITEBACK, nr_writeback) HST_set(DELTA_NR_WRITEBACK_TEMP, nr_writeback_temp) HST_set(DELTA_NR_WRITTEN, nr_written) HST_set(DELTA_NUMA_FOREIGN, numa_foreign) HST_set(DELTA_NUMA_HINT_FAULTS, numa_hint_faults) HST_set(DELTA_NUMA_HINT_FAULTS_LOCAL, numa_hint_faults_local) HST_set(DELTA_NUMA_HIT, numa_hit) HST_set(DELTA_NUMA_HUGE_PTE_UPDATES, numa_huge_pte_updates) HST_set(DELTA_NUMA_INTERLEAVE, numa_interleave) HST_set(DELTA_NUMA_LOCAL, numa_local) HST_set(DELTA_NUMA_MISS, numa_miss) HST_set(DELTA_NUMA_OTHER, numa_other) HST_set(DELTA_NUMA_PAGES_MIGRATED, numa_pages_migrated) HST_set(DELTA_NUMA_PTE_UPDATES, numa_pte_updates) HST_set(DELTA_PAGEOUTRUN, pageoutrun) HST_set(DELTA_PGACTIVATE, pgactivate) HST_set(DELTA_PGALLOC_DMA, pgalloc_dma) HST_set(DELTA_PGALLOC_DMA32, pgalloc_dma32) HST_set(DELTA_PGALLOC_MOVABLE, pgalloc_movable) HST_set(DELTA_PGALLOC_NORMAL, pgalloc_normal) HST_set(DELTA_PGDEACTIVATE, pgdeactivate) HST_set(DELTA_PGFAULT, pgfault) HST_set(DELTA_PGFREE, pgfree) HST_set(DELTA_PGINODESTEAL, pginodesteal) HST_set(DELTA_PGMAJFAULT, pgmajfault) HST_set(DELTA_PGMIGRATE_FAIL, pgmigrate_fail) HST_set(DELTA_PGMIGRATE_SUCCESS, pgmigrate_success) HST_set(DELTA_PGPGIN, pgpgin) HST_set(DELTA_PGPGOUT, pgpgout) HST_set(DELTA_PGREFILL_DMA, pgrefill_dma) HST_set(DELTA_PGREFILL_DMA32, pgrefill_dma32) HST_set(DELTA_PGREFILL_MOVABLE, pgrefill_movable) HST_set(DELTA_PGREFILL_NORMAL, pgrefill_normal) HST_set(DELTA_PGROTATED, pgrotated) HST_set(DELTA_PGSCAN_DIRECT_DMA, pgscan_direct_dma) HST_set(DELTA_PGSCAN_DIRECT_DMA32, pgscan_direct_dma32) HST_set(DELTA_PGSCAN_DIRECT_MOVABLE, pgscan_direct_movable) HST_set(DELTA_PGSCAN_DIRECT_NORMAL, pgscan_direct_normal) HST_set(DELTA_PGSCAN_DIRECT_THROTTLE, pgscan_direct_throttle) HST_set(DELTA_PGSCAN_KSWAPD_DMA, pgscan_kswapd_dma) HST_set(DELTA_PGSCAN_KSWAPD_DMA32, pgscan_kswapd_dma32) HST_set(DELTA_PGSCAN_KSWAPD_MOVEABLE, pgscan_kswapd_movable) HST_set(DELTA_PGSCAN_KSWAPD_NORMAL, pgscan_kswapd_normal) HST_set(DELTA_PGSTEAL_DIRECT_DMA, pgsteal_direct_dma) HST_set(DELTA_PGSTEAL_DIRECT_DMA32, pgsteal_direct_dma32) HST_set(DELTA_PGSTEAL_DIRECT_MOVABLE, pgsteal_direct_movable) HST_set(DELTA_PGSTEAL_DIRECT_NORMAL, pgsteal_direct_normal) HST_set(DELTA_PGSTEAL_KSWAPD_DMA, pgsteal_kswapd_dma) HST_set(DELTA_PGSTEAL_KSWAPD_DMA32, pgsteal_kswapd_dma32) HST_set(DELTA_PGSTEAL_KSWAPD_MOVABLE, pgsteal_kswapd_movable) HST_set(DELTA_PGSTEAL_KSWAPD_NORMAL, pgsteal_kswapd_normal) HST_set(DELTA_PSWPIN, pswpin) HST_set(DELTA_PSWPOUT, pswpout) HST_set(DELTA_SLABS_SCANNED, slabs_scanned) HST_set(DELTA_THP_COLLAPSE_ALLOC, thp_collapse_alloc) HST_set(DELTA_THP_COLLAPSE_ALLOC_FAILED, thp_collapse_alloc_failed) HST_set(DELTA_THP_FAULT_ALLOC, thp_fault_alloc) HST_set(DELTA_THP_FAULT_FALLBACK, thp_fault_fallback) HST_set(DELTA_THP_SPLIT, thp_split) HST_set(DELTA_THP_ZERO_PAGE_ALLOC, thp_zero_page_alloc) HST_set(DELTA_THP_ZERO_PAGE_ALLOC_FAILED, thp_zero_page_alloc_failed) HST_set(DELTA_UNEVICTABLE_PGS_CLEARED, unevictable_pgs_cleared) HST_set(DELTA_UNEVICTABLE_PGS_CULLED, unevictable_pgs_culled) HST_set(DELTA_UNEVICTABLE_PGS_MLOCKED, unevictable_pgs_mlocked) HST_set(DELTA_UNEVICTABLE_PGS_MUNLOCKED, unevictable_pgs_munlocked) HST_set(DELTA_UNEVICTABLE_PGS_RESCUED, unevictable_pgs_rescued) HST_set(DELTA_UNEVICTABLE_PGS_SCANNED, unevictable_pgs_scanned) HST_set(DELTA_UNEVICTABLE_PGS_STRANDED, unevictable_pgs_stranded) HST_set(DELTA_WORKINGSET_ACTIVATE, workingset_activate) HST_set(DELTA_WORKINGSET_NODERECLAIM, workingset_nodereclaim) HST_set(DELTA_WORKINGSET_REFAULT, workingset_refault) HST_set(DELTA_ZONE_RECLAIM_FAILED, zone_reclaim_failed) // ___ Results 'Get' Support |||||||||||||||||||||||||||||||||||||||||||||||||| #define getNAME(e) get_results_ ## e #define getDECL(e) static signed long getNAME(e) \ (struct procps_vmstat *I) // regular get #define REG_get(e,x) getDECL(e) { return I->hist.new. x; } // delta get #define HST_get(e,x) getDECL(e) { return ( I->hist.new. x - I->hist.old. x ); } getDECL(noop) { (void)I; return 0; } getDECL(extra) { (void)I; return 0; } REG_get(ALLOCSTALL, allocstall) REG_get(BALLOON_DEFLATE, balloon_deflate) REG_get(BALLOON_INFLATE, balloon_inflate) REG_get(BALLOON_MIGRATE, balloon_migrate) REG_get(COMPACT_FAIL, compact_fail) REG_get(COMPACT_FREE_SCANNED, compact_free_scanned) REG_get(COMPACT_ISOLATED, compact_isolated) REG_get(COMPACT_MIGRATE_SCANNED, compact_migrate_scanned) REG_get(COMPACT_STALL, compact_stall) REG_get(COMPACT_SUCCESS, compact_success) REG_get(DROP_PAGECACHE, drop_pagecache) REG_get(DROP_SLAB, drop_slab) REG_get(HTLB_BUDDY_ALLOC_FAIL, htlb_buddy_alloc_fail) REG_get(HTLB_BUDDY_ALLOC_SUCCESS, htlb_buddy_alloc_success) REG_get(KSWAPD_HIGH_WMARK_HIT_QUICKLY, kswapd_high_wmark_hit_quickly) REG_get(KSWAPD_INODESTEAL, kswapd_inodesteal) REG_get(KSWAPD_LOW_WMARK_HIT_QUICKLY, kswapd_low_wmark_hit_quickly) REG_get(NR_ACTIVE_ANON, nr_active_anon) REG_get(NR_ACTIVE_FILE, nr_active_file) REG_get(NR_ALLOC_BATCH, nr_alloc_batch) REG_get(NR_ANON_PAGES, nr_anon_pages) REG_get(NR_ANON_TRANSPARENT_HUGEPAGES, nr_anon_transparent_hugepages) REG_get(NR_BOUNCE, nr_bounce) REG_get(NR_DIRTIED, nr_dirtied) REG_get(NR_DIRTY, nr_dirty) REG_get(NR_DIRTY_BACKGROUND_THRESHOLD, nr_dirty_background_threshold) REG_get(NR_DIRTY_THRESHOLD, nr_dirty_threshold) REG_get(NR_FILE_PAGES, nr_file_pages) REG_get(NR_FREE_CMA, nr_free_cma) REG_get(NR_FREE_PAGES, nr_free_pages) REG_get(NR_INACTIVE_ANON, nr_inactive_anon) REG_get(NR_INACTIVE_FILE, nr_inactive_file) REG_get(NR_ISOLATED_ANON, nr_isolated_anon) REG_get(NR_ISOLATED_FILE, nr_isolated_file) REG_get(NR_KERNEL_STACK, nr_kernel_stack) REG_get(NR_MAPPED, nr_mapped) REG_get(NR_MLOCK, nr_mlock) REG_get(NR_PAGES_SCANNED, nr_pages_scanned) REG_get(NR_PAGE_TABLE_PAGES, nr_page_table_pages) REG_get(NR_SHMEM, nr_shmem) REG_get(NR_SLAB_RECLAIMABLE, nr_slab_reclaimable) REG_get(NR_SLAB_UNRECLAIMABLE, nr_slab_unreclaimable) REG_get(NR_UNEVICTABLE, nr_unevictable) REG_get(NR_UNSTABLE, nr_unstable) REG_get(NR_VMSCAN_IMMEDIATE_RECLAIM, nr_vmscan_immediate_reclaim) REG_get(NR_VMSCAN_WRITE, nr_vmscan_write) REG_get(NR_WRITEBACK, nr_writeback) REG_get(NR_WRITEBACK_TEMP, nr_writeback_temp) REG_get(NR_WRITTEN, nr_written) REG_get(NUMA_FOREIGN, numa_foreign) REG_get(NUMA_HINT_FAULTS, numa_hint_faults) REG_get(NUMA_HINT_FAULTS_LOCAL, numa_hint_faults_local) REG_get(NUMA_HIT, numa_hit) REG_get(NUMA_HUGE_PTE_UPDATES, numa_huge_pte_updates) REG_get(NUMA_INTERLEAVE, numa_interleave) REG_get(NUMA_LOCAL, numa_local) REG_get(NUMA_MISS, numa_miss) REG_get(NUMA_OTHER, numa_other) REG_get(NUMA_PAGES_MIGRATED, numa_pages_migrated) REG_get(NUMA_PTE_UPDATES, numa_pte_updates) REG_get(PAGEOUTRUN, pageoutrun) REG_get(PGACTIVATE, pgactivate) REG_get(PGALLOC_DMA, pgalloc_dma) REG_get(PGALLOC_DMA32, pgalloc_dma32) REG_get(PGALLOC_MOVABLE, pgalloc_movable) REG_get(PGALLOC_NORMAL, pgalloc_normal) REG_get(PGDEACTIVATE, pgdeactivate) REG_get(PGFAULT, pgfault) REG_get(PGFREE, pgfree) REG_get(PGINODESTEAL, pginodesteal) REG_get(PGMAJFAULT, pgmajfault) REG_get(PGMIGRATE_FAIL, pgmigrate_fail) REG_get(PGMIGRATE_SUCCESS, pgmigrate_success) REG_get(PGPGIN, pgpgin) REG_get(PGPGOUT, pgpgout) REG_get(PGREFILL_DMA, pgrefill_dma) REG_get(PGREFILL_DMA32, pgrefill_dma32) REG_get(PGREFILL_MOVABLE, pgrefill_movable) REG_get(PGREFILL_NORMAL, pgrefill_normal) REG_get(PGROTATED, pgrotated) REG_get(PGSCAN_DIRECT_DMA, pgscan_direct_dma) REG_get(PGSCAN_DIRECT_DMA32, pgscan_direct_dma32) REG_get(PGSCAN_DIRECT_MOVABLE, pgscan_direct_movable) REG_get(PGSCAN_DIRECT_NORMAL, pgscan_direct_normal) REG_get(PGSCAN_DIRECT_THROTTLE, pgscan_direct_throttle) REG_get(PGSCAN_KSWAPD_DMA, pgscan_kswapd_dma) REG_get(PGSCAN_KSWAPD_DMA32, pgscan_kswapd_dma32) REG_get(PGSCAN_KSWAPD_MOVEABLE, pgscan_kswapd_movable) REG_get(PGSCAN_KSWAPD_NORMAL, pgscan_kswapd_normal) REG_get(PGSTEAL_DIRECT_DMA, pgsteal_direct_dma) REG_get(PGSTEAL_DIRECT_DMA32, pgsteal_direct_dma32) REG_get(PGSTEAL_DIRECT_MOVABLE, pgsteal_direct_movable) REG_get(PGSTEAL_DIRECT_NORMAL, pgsteal_direct_normal) REG_get(PGSTEAL_KSWAPD_DMA, pgsteal_kswapd_dma) REG_get(PGSTEAL_KSWAPD_DMA32, pgsteal_kswapd_dma32) REG_get(PGSTEAL_KSWAPD_MOVABLE, pgsteal_kswapd_movable) REG_get(PGSTEAL_KSWAPD_NORMAL, pgsteal_kswapd_normal) REG_get(PSWPIN, pswpin) REG_get(PSWPOUT, pswpout) REG_get(SLABS_SCANNED, slabs_scanned) REG_get(THP_COLLAPSE_ALLOC, thp_collapse_alloc) REG_get(THP_COLLAPSE_ALLOC_FAILED, thp_collapse_alloc_failed) REG_get(THP_FAULT_ALLOC, thp_fault_alloc) REG_get(THP_FAULT_FALLBACK, thp_fault_fallback) REG_get(THP_SPLIT, thp_split) REG_get(THP_ZERO_PAGE_ALLOC, thp_zero_page_alloc) REG_get(THP_ZERO_PAGE_ALLOC_FAILED, thp_zero_page_alloc_failed) REG_get(UNEVICTABLE_PGS_CLEARED, unevictable_pgs_cleared) REG_get(UNEVICTABLE_PGS_CULLED, unevictable_pgs_culled) REG_get(UNEVICTABLE_PGS_MLOCKED, unevictable_pgs_mlocked) REG_get(UNEVICTABLE_PGS_MUNLOCKED, unevictable_pgs_munlocked) REG_get(UNEVICTABLE_PGS_RESCUED, unevictable_pgs_rescued) REG_get(UNEVICTABLE_PGS_SCANNED, unevictable_pgs_scanned) REG_get(UNEVICTABLE_PGS_STRANDED, unevictable_pgs_stranded) REG_get(WORKINGSET_ACTIVATE, workingset_activate) REG_get(WORKINGSET_NODERECLAIM, workingset_nodereclaim) REG_get(WORKINGSET_REFAULT, workingset_refault) REG_get(ZONE_RECLAIM_FAILED, zone_reclaim_failed) HST_get(DELTA_ALLOCSTALL, allocstall) HST_get(DELTA_BALLOON_DEFLATE, balloon_deflate) HST_get(DELTA_BALLOON_INFLATE, balloon_inflate) HST_get(DELTA_BALLOON_MIGRATE, balloon_migrate) HST_get(DELTA_COMPACT_FAIL, compact_fail) HST_get(DELTA_COMPACT_FREE_SCANNED, compact_free_scanned) HST_get(DELTA_COMPACT_ISOLATED, compact_isolated) HST_get(DELTA_COMPACT_MIGRATE_SCANNED, compact_migrate_scanned) HST_get(DELTA_COMPACT_STALL, compact_stall) HST_get(DELTA_COMPACT_SUCCESS, compact_success) HST_get(DELTA_DROP_PAGECACHE, drop_pagecache) HST_get(DELTA_DROP_SLAB, drop_slab) HST_get(DELTA_HTLB_BUDDY_ALLOC_FAIL, htlb_buddy_alloc_fail) HST_get(DELTA_HTLB_BUDDY_ALLOC_SUCCESS, htlb_buddy_alloc_success) HST_get(DELTA_KSWAPD_HIGH_WMARK_HIT_QUICKLY, kswapd_high_wmark_hit_quickly) HST_get(DELTA_KSWAPD_INODESTEAL, kswapd_inodesteal) HST_get(DELTA_KSWAPD_LOW_WMARK_HIT_QUICKLY, kswapd_low_wmark_hit_quickly) HST_get(DELTA_NR_ACTIVE_ANON, nr_active_anon) HST_get(DELTA_NR_ACTIVE_FILE, nr_active_file) HST_get(DELTA_NR_ALLOC_BATCH, nr_alloc_batch) HST_get(DELTA_NR_ANON_PAGES, nr_anon_pages) HST_get(DELTA_NR_ANON_TRANSPARENT_HUGEPAGES, nr_anon_transparent_hugepages) HST_get(DELTA_NR_BOUNCE, nr_bounce) HST_get(DELTA_NR_DIRTIED, nr_dirtied) HST_get(DELTA_NR_DIRTY, nr_dirty) HST_get(DELTA_NR_DIRTY_BACKGROUND_THRESHOLD, nr_dirty_background_threshold) HST_get(DELTA_NR_DIRTY_THRESHOLD, nr_dirty_threshold) HST_get(DELTA_NR_FILE_PAGES, nr_file_pages) HST_get(DELTA_NR_FREE_CMA, nr_free_cma) HST_get(DELTA_NR_FREE_PAGES, nr_free_pages) HST_get(DELTA_NR_INACTIVE_ANON, nr_inactive_anon) HST_get(DELTA_NR_INACTIVE_FILE, nr_inactive_file) HST_get(DELTA_NR_ISOLATED_ANON, nr_isolated_anon) HST_get(DELTA_NR_ISOLATED_FILE, nr_isolated_file) HST_get(DELTA_NR_KERNEL_STACK, nr_kernel_stack) HST_get(DELTA_NR_MAPPED, nr_mapped) HST_get(DELTA_NR_MLOCK, nr_mlock) HST_get(DELTA_NR_PAGES_SCANNED, nr_pages_scanned) HST_get(DELTA_NR_PAGE_TABLE_PAGES, nr_page_table_pages) HST_get(DELTA_NR_SHMEM, nr_shmem) HST_get(DELTA_NR_SLAB_RECLAIMABLE, nr_slab_reclaimable) HST_get(DELTA_NR_SLAB_UNRECLAIMABLE, nr_slab_unreclaimable) HST_get(DELTA_NR_UNEVICTABLE, nr_unevictable) HST_get(DELTA_NR_UNSTABLE, nr_unstable) HST_get(DELTA_NR_VMSCAN_IMMEDIATE_RECLAIM, nr_vmscan_immediate_reclaim) HST_get(DELTA_NR_VMSCAN_WRITE, nr_vmscan_write) HST_get(DELTA_NR_WRITEBACK, nr_writeback) HST_get(DELTA_NR_WRITEBACK_TEMP, nr_writeback_temp) HST_get(DELTA_NR_WRITTEN, nr_written) HST_get(DELTA_NUMA_FOREIGN, numa_foreign) HST_get(DELTA_NUMA_HINT_FAULTS, numa_hint_faults) HST_get(DELTA_NUMA_HINT_FAULTS_LOCAL, numa_hint_faults_local) HST_get(DELTA_NUMA_HIT, numa_hit) HST_get(DELTA_NUMA_HUGE_PTE_UPDATES, numa_huge_pte_updates) HST_get(DELTA_NUMA_INTERLEAVE, numa_interleave) HST_get(DELTA_NUMA_LOCAL, numa_local) HST_get(DELTA_NUMA_MISS, numa_miss) HST_get(DELTA_NUMA_OTHER, numa_other) HST_get(DELTA_NUMA_PAGES_MIGRATED, numa_pages_migrated) HST_get(DELTA_NUMA_PTE_UPDATES, numa_pte_updates) HST_get(DELTA_PAGEOUTRUN, pageoutrun) HST_get(DELTA_PGACTIVATE, pgactivate) HST_get(DELTA_PGALLOC_DMA, pgalloc_dma) HST_get(DELTA_PGALLOC_DMA32, pgalloc_dma32) HST_get(DELTA_PGALLOC_MOVABLE, pgalloc_movable) HST_get(DELTA_PGALLOC_NORMAL, pgalloc_normal) HST_get(DELTA_PGDEACTIVATE, pgdeactivate) HST_get(DELTA_PGFAULT, pgfault) HST_get(DELTA_PGFREE, pgfree) HST_get(DELTA_PGINODESTEAL, pginodesteal) HST_get(DELTA_PGMAJFAULT, pgmajfault) HST_get(DELTA_PGMIGRATE_FAIL, pgmigrate_fail) HST_get(DELTA_PGMIGRATE_SUCCESS, pgmigrate_success) HST_get(DELTA_PGPGIN, pgpgin) HST_get(DELTA_PGPGOUT, pgpgout) HST_get(DELTA_PGREFILL_DMA, pgrefill_dma) HST_get(DELTA_PGREFILL_DMA32, pgrefill_dma32) HST_get(DELTA_PGREFILL_MOVABLE, pgrefill_movable) HST_get(DELTA_PGREFILL_NORMAL, pgrefill_normal) HST_get(DELTA_PGROTATED, pgrotated) HST_get(DELTA_PGSCAN_DIRECT_DMA, pgscan_direct_dma) HST_get(DELTA_PGSCAN_DIRECT_DMA32, pgscan_direct_dma32) HST_get(DELTA_PGSCAN_DIRECT_MOVABLE, pgscan_direct_movable) HST_get(DELTA_PGSCAN_DIRECT_NORMAL, pgscan_direct_normal) HST_get(DELTA_PGSCAN_DIRECT_THROTTLE, pgscan_direct_throttle) HST_get(DELTA_PGSCAN_KSWAPD_DMA, pgscan_kswapd_dma) HST_get(DELTA_PGSCAN_KSWAPD_DMA32, pgscan_kswapd_dma32) HST_get(DELTA_PGSCAN_KSWAPD_MOVEABLE, pgscan_kswapd_movable) HST_get(DELTA_PGSCAN_KSWAPD_NORMAL, pgscan_kswapd_normal) HST_get(DELTA_PGSTEAL_DIRECT_DMA, pgsteal_direct_dma) HST_get(DELTA_PGSTEAL_DIRECT_DMA32, pgsteal_direct_dma32) HST_get(DELTA_PGSTEAL_DIRECT_MOVABLE, pgsteal_direct_movable) HST_get(DELTA_PGSTEAL_DIRECT_NORMAL, pgsteal_direct_normal) HST_get(DELTA_PGSTEAL_KSWAPD_DMA, pgsteal_kswapd_dma) HST_get(DELTA_PGSTEAL_KSWAPD_DMA32, pgsteal_kswapd_dma32) HST_get(DELTA_PGSTEAL_KSWAPD_MOVABLE, pgsteal_kswapd_movable) HST_get(DELTA_PGSTEAL_KSWAPD_NORMAL, pgsteal_kswapd_normal) HST_get(DELTA_PSWPIN, pswpin) HST_get(DELTA_PSWPOUT, pswpout) HST_get(DELTA_SLABS_SCANNED, slabs_scanned) HST_get(DELTA_THP_COLLAPSE_ALLOC, thp_collapse_alloc) HST_get(DELTA_THP_COLLAPSE_ALLOC_FAILED, thp_collapse_alloc_failed) HST_get(DELTA_THP_FAULT_ALLOC, thp_fault_alloc) HST_get(DELTA_THP_FAULT_FALLBACK, thp_fault_fallback) HST_get(DELTA_THP_SPLIT, thp_split) HST_get(DELTA_THP_ZERO_PAGE_ALLOC, thp_zero_page_alloc) HST_get(DELTA_THP_ZERO_PAGE_ALLOC_FAILED, thp_zero_page_alloc_failed) HST_get(DELTA_UNEVICTABLE_PGS_CLEARED, unevictable_pgs_cleared) HST_get(DELTA_UNEVICTABLE_PGS_CULLED, unevictable_pgs_culled) HST_get(DELTA_UNEVICTABLE_PGS_MLOCKED, unevictable_pgs_mlocked) HST_get(DELTA_UNEVICTABLE_PGS_MUNLOCKED, unevictable_pgs_munlocked) HST_get(DELTA_UNEVICTABLE_PGS_RESCUED, unevictable_pgs_rescued) HST_get(DELTA_UNEVICTABLE_PGS_SCANNED, unevictable_pgs_scanned) HST_get(DELTA_UNEVICTABLE_PGS_STRANDED, unevictable_pgs_stranded) HST_get(DELTA_WORKINGSET_ACTIVATE, workingset_activate) HST_get(DELTA_WORKINGSET_NODERECLAIM, workingset_nodereclaim) HST_get(DELTA_WORKINGSET_REFAULT, workingset_refault) HST_get(DELTA_ZONE_RECLAIM_FAILED, zone_reclaim_failed) // ___ Controlling Table |||||||||||||||||||||||||||||||||||||||||||||||||||||| typedef void (*SET_t)(struct vmstat_result *, struct vmstat_hist *); #define RS(e) (SET_t)setNAME(e) typedef long (*GET_t)(struct procps_vmstat *); #define RG(e) (GET_t)getNAME(e) /* * Need it be said? * This table must be kept in the exact same order as * those 'enum vmstat_item' guys ! */ static struct { SET_t setsfunc; // the actual result setting routine GET_t getsfunc; // a routine to return single result } Item_table[] = { /* setsfunc getsfunc --------------------------------------- -------------------------------------- */ { RS(noop), RG(noop) }, { RS(extra), RG(extra) }, { RS(ALLOCSTALL), RG(ALLOCSTALL) }, { RS(BALLOON_DEFLATE), RG(BALLOON_DEFLATE) }, { RS(BALLOON_INFLATE), RG(BALLOON_INFLATE) }, { RS(BALLOON_MIGRATE), RG(BALLOON_MIGRATE) }, { RS(COMPACT_FAIL), RG(COMPACT_FAIL) }, { RS(COMPACT_FREE_SCANNED), RG(COMPACT_FREE_SCANNED) }, { RS(COMPACT_ISOLATED), RG(COMPACT_ISOLATED) }, { RS(COMPACT_MIGRATE_SCANNED), RG(COMPACT_MIGRATE_SCANNED) }, { RS(COMPACT_STALL), RG(COMPACT_STALL) }, { RS(COMPACT_SUCCESS), RG(COMPACT_SUCCESS) }, { RS(DROP_PAGECACHE), RG(DROP_PAGECACHE) }, { RS(DROP_SLAB), RG(DROP_SLAB) }, { RS(HTLB_BUDDY_ALLOC_FAIL), RG(HTLB_BUDDY_ALLOC_FAIL) }, { RS(HTLB_BUDDY_ALLOC_SUCCESS), RG(HTLB_BUDDY_ALLOC_SUCCESS) }, { RS(KSWAPD_HIGH_WMARK_HIT_QUICKLY), RG(KSWAPD_HIGH_WMARK_HIT_QUICKLY) }, { RS(KSWAPD_INODESTEAL), RG(KSWAPD_INODESTEAL) }, { RS(KSWAPD_LOW_WMARK_HIT_QUICKLY), RG(KSWAPD_LOW_WMARK_HIT_QUICKLY) }, { RS(NR_ACTIVE_ANON), RG(NR_ACTIVE_ANON) }, { RS(NR_ACTIVE_FILE), RG(NR_ACTIVE_FILE) }, { RS(NR_ALLOC_BATCH), RG(NR_ALLOC_BATCH) }, { RS(NR_ANON_PAGES), RG(NR_ANON_PAGES) }, { RS(NR_ANON_TRANSPARENT_HUGEPAGES), RG(NR_ANON_TRANSPARENT_HUGEPAGES) }, { RS(NR_BOUNCE), RG(NR_BOUNCE) }, { RS(NR_DIRTIED), RG(NR_DIRTIED) }, { RS(NR_DIRTY), RG(NR_DIRTY) }, { RS(NR_DIRTY_BACKGROUND_THRESHOLD), RG(NR_DIRTY_BACKGROUND_THRESHOLD) }, { RS(NR_DIRTY_THRESHOLD), RG(NR_DIRTY_THRESHOLD) }, { RS(NR_FILE_PAGES), RG(NR_FILE_PAGES) }, { RS(NR_FREE_CMA), RG(NR_FREE_CMA) }, { RS(NR_FREE_PAGES), RG(NR_FREE_PAGES) }, { RS(NR_INACTIVE_ANON), RG(NR_INACTIVE_ANON) }, { RS(NR_INACTIVE_FILE), RG(NR_INACTIVE_FILE) }, { RS(NR_ISOLATED_ANON), RG(NR_ISOLATED_ANON) }, { RS(NR_ISOLATED_FILE), RG(NR_ISOLATED_FILE) }, { RS(NR_KERNEL_STACK), RG(NR_KERNEL_STACK) }, { RS(NR_MAPPED), RG(NR_MAPPED) }, { RS(NR_MLOCK), RG(NR_MLOCK) }, { RS(NR_PAGES_SCANNED), RG(NR_PAGES_SCANNED) }, { RS(NR_PAGE_TABLE_PAGES), RG(NR_PAGE_TABLE_PAGES) }, { RS(NR_SHMEM), RG(NR_SHMEM) }, { RS(NR_SLAB_RECLAIMABLE), RG(NR_SLAB_RECLAIMABLE) }, { RS(NR_SLAB_UNRECLAIMABLE), RG(NR_SLAB_UNRECLAIMABLE) }, { RS(NR_UNEVICTABLE), RG(NR_UNEVICTABLE) }, { RS(NR_UNSTABLE), RG(NR_UNSTABLE) }, { RS(NR_VMSCAN_IMMEDIATE_RECLAIM), RG(NR_VMSCAN_IMMEDIATE_RECLAIM) }, { RS(NR_VMSCAN_WRITE), RG(NR_VMSCAN_WRITE) }, { RS(NR_WRITEBACK), RG(NR_WRITEBACK) }, { RS(NR_WRITEBACK_TEMP), RG(NR_WRITEBACK_TEMP) }, { RS(NR_WRITTEN), RG(NR_WRITTEN) }, { RS(NUMA_FOREIGN), RG(NUMA_FOREIGN) }, { RS(NUMA_HINT_FAULTS), RG(NUMA_HINT_FAULTS) }, { RS(NUMA_HINT_FAULTS_LOCAL), RG(NUMA_HINT_FAULTS_LOCAL) }, { RS(NUMA_HIT), RG(NUMA_HIT) }, { RS(NUMA_HUGE_PTE_UPDATES), RG(NUMA_HUGE_PTE_UPDATES) }, { RS(NUMA_INTERLEAVE), RG(NUMA_INTERLEAVE) }, { RS(NUMA_LOCAL), RG(NUMA_LOCAL) }, { RS(NUMA_MISS), RG(NUMA_MISS) }, { RS(NUMA_OTHER), RG(NUMA_OTHER) }, { RS(NUMA_PAGES_MIGRATED), RG(NUMA_PAGES_MIGRATED) }, { RS(NUMA_PTE_UPDATES), RG(NUMA_PTE_UPDATES) }, { RS(PAGEOUTRUN), RG(PAGEOUTRUN) }, { RS(PGACTIVATE), RG(PGACTIVATE) }, { RS(PGALLOC_DMA), RG(PGALLOC_DMA) }, { RS(PGALLOC_DMA32), RG(PGALLOC_DMA32) }, { RS(PGALLOC_MOVABLE), RG(PGALLOC_MOVABLE) }, { RS(PGALLOC_NORMAL), RG(PGALLOC_NORMAL) }, { RS(PGDEACTIVATE), RG(PGDEACTIVATE) }, { RS(PGFAULT), RG(PGFAULT) }, { RS(PGFREE), RG(PGFREE) }, { RS(PGINODESTEAL), RG(PGINODESTEAL) }, { RS(PGMAJFAULT), RG(PGMAJFAULT) }, { RS(PGMIGRATE_FAIL), RG(PGMIGRATE_FAIL) }, { RS(PGMIGRATE_SUCCESS), RG(PGMIGRATE_SUCCESS) }, { RS(PGPGIN), RG(PGPGIN) }, { RS(PGPGOUT), RG(PGPGOUT) }, { RS(PGREFILL_DMA), RG(PGREFILL_DMA) }, { RS(PGREFILL_DMA32), RG(PGREFILL_DMA32) }, { RS(PGREFILL_MOVABLE), RG(PGREFILL_MOVABLE) }, { RS(PGREFILL_NORMAL), RG(PGREFILL_NORMAL) }, { RS(PGROTATED), RG(PGROTATED) }, { RS(PGSCAN_DIRECT_DMA), RG(PGSCAN_DIRECT_DMA) }, { RS(PGSCAN_DIRECT_DMA32), RG(PGSCAN_DIRECT_DMA32) }, { RS(PGSCAN_DIRECT_MOVABLE), RG(PGSCAN_DIRECT_MOVABLE) }, { RS(PGSCAN_DIRECT_NORMAL), RG(PGSCAN_DIRECT_NORMAL) }, { RS(PGSCAN_DIRECT_THROTTLE), RG(PGSCAN_DIRECT_THROTTLE) }, { RS(PGSCAN_KSWAPD_DMA), RG(PGSCAN_KSWAPD_DMA) }, { RS(PGSCAN_KSWAPD_DMA32), RG(PGSCAN_KSWAPD_DMA32) }, { RS(PGSCAN_KSWAPD_MOVEABLE), RG(PGSCAN_KSWAPD_MOVEABLE) }, { RS(PGSCAN_KSWAPD_NORMAL), RG(PGSCAN_KSWAPD_NORMAL) }, { RS(PGSTEAL_DIRECT_DMA), RG(PGSTEAL_DIRECT_DMA) }, { RS(PGSTEAL_DIRECT_DMA32), RG(PGSTEAL_DIRECT_DMA32) }, { RS(PGSTEAL_DIRECT_MOVABLE), RG(PGSTEAL_DIRECT_MOVABLE) }, { RS(PGSTEAL_DIRECT_NORMAL), RG(PGSTEAL_DIRECT_NORMAL) }, { RS(PGSTEAL_KSWAPD_DMA), RG(PGSTEAL_KSWAPD_DMA) }, { RS(PGSTEAL_KSWAPD_DMA32), RG(PGSTEAL_KSWAPD_DMA32) }, { RS(PGSTEAL_KSWAPD_MOVABLE), RG(PGSTEAL_KSWAPD_MOVABLE) }, { RS(PGSTEAL_KSWAPD_NORMAL), RG(PGSTEAL_KSWAPD_NORMAL) }, { RS(PSWPIN), RG(PSWPIN) }, { RS(PSWPOUT), RG(PSWPOUT) }, { RS(SLABS_SCANNED), RG(SLABS_SCANNED) }, { RS(THP_COLLAPSE_ALLOC), RG(THP_COLLAPSE_ALLOC) }, { RS(THP_COLLAPSE_ALLOC_FAILED), RG(THP_COLLAPSE_ALLOC_FAILED) }, { RS(THP_FAULT_ALLOC), RG(THP_FAULT_ALLOC) }, { RS(THP_FAULT_FALLBACK), RG(THP_FAULT_FALLBACK) }, { RS(THP_SPLIT), RG(THP_SPLIT) }, { RS(THP_ZERO_PAGE_ALLOC), RG(THP_ZERO_PAGE_ALLOC) }, { RS(THP_ZERO_PAGE_ALLOC_FAILED), RG(THP_ZERO_PAGE_ALLOC_FAILED) }, { RS(UNEVICTABLE_PGS_CLEARED), RG(UNEVICTABLE_PGS_CLEARED) }, { RS(UNEVICTABLE_PGS_CULLED), RG(UNEVICTABLE_PGS_CULLED) }, { RS(UNEVICTABLE_PGS_MLOCKED), RG(UNEVICTABLE_PGS_MLOCKED) }, { RS(UNEVICTABLE_PGS_MUNLOCKED), RG(UNEVICTABLE_PGS_MUNLOCKED) }, { RS(UNEVICTABLE_PGS_RESCUED), RG(UNEVICTABLE_PGS_RESCUED) }, { RS(UNEVICTABLE_PGS_SCANNED), RG(UNEVICTABLE_PGS_SCANNED) }, { RS(UNEVICTABLE_PGS_STRANDED), RG(UNEVICTABLE_PGS_STRANDED) }, { RS(WORKINGSET_ACTIVATE), RG(WORKINGSET_ACTIVATE) }, { RS(WORKINGSET_NODERECLAIM), RG(WORKINGSET_NODERECLAIM) }, { RS(WORKINGSET_REFAULT), RG(WORKINGSET_REFAULT) }, { RS(ZONE_RECLAIM_FAILED), RG(ZONE_RECLAIM_FAILED) }, { RS(DELTA_ALLOCSTALL), RG(DELTA_ALLOCSTALL) }, { RS(DELTA_BALLOON_DEFLATE), RG(DELTA_BALLOON_DEFLATE) }, { RS(DELTA_BALLOON_INFLATE), RG(DELTA_BALLOON_INFLATE) }, { RS(DELTA_BALLOON_MIGRATE), RG(DELTA_BALLOON_MIGRATE) }, { RS(DELTA_COMPACT_FAIL), RG(DELTA_COMPACT_FAIL) }, { RS(DELTA_COMPACT_FREE_SCANNED), RG(DELTA_COMPACT_FREE_SCANNED) }, { RS(DELTA_COMPACT_ISOLATED), RG(DELTA_COMPACT_ISOLATED) }, { RS(DELTA_COMPACT_MIGRATE_SCANNED), RG(DELTA_COMPACT_MIGRATE_SCANNED) }, { RS(DELTA_COMPACT_STALL), RG(DELTA_COMPACT_STALL) }, { RS(DELTA_COMPACT_SUCCESS), RG(DELTA_COMPACT_SUCCESS) }, { RS(DELTA_DROP_PAGECACHE), RG(DELTA_DROP_PAGECACHE) }, { RS(DELTA_DROP_SLAB), RG(DELTA_DROP_SLAB) }, { RS(DELTA_HTLB_BUDDY_ALLOC_FAIL), RG(DELTA_HTLB_BUDDY_ALLOC_FAIL) }, { RS(DELTA_HTLB_BUDDY_ALLOC_SUCCESS), RG(DELTA_HTLB_BUDDY_ALLOC_SUCCESS) }, { RS(DELTA_KSWAPD_HIGH_WMARK_HIT_QUICKLY), RG(DELTA_KSWAPD_HIGH_WMARK_HIT_QUICKLY) }, { RS(DELTA_KSWAPD_INODESTEAL), RG(DELTA_KSWAPD_INODESTEAL) }, { RS(DELTA_KSWAPD_LOW_WMARK_HIT_QUICKLY), RG(DELTA_KSWAPD_LOW_WMARK_HIT_QUICKLY) }, { RS(DELTA_NR_ACTIVE_ANON), RG(DELTA_NR_ACTIVE_ANON) }, { RS(DELTA_NR_ACTIVE_FILE), RG(DELTA_NR_ACTIVE_FILE) }, { RS(DELTA_NR_ALLOC_BATCH), RG(DELTA_NR_ALLOC_BATCH) }, { RS(DELTA_NR_ANON_PAGES), RG(DELTA_NR_ANON_PAGES) }, { RS(DELTA_NR_ANON_TRANSPARENT_HUGEPAGES), RG(DELTA_NR_ANON_TRANSPARENT_HUGEPAGES) }, { RS(DELTA_NR_BOUNCE), RG(DELTA_NR_BOUNCE) }, { RS(DELTA_NR_DIRTIED), RG(DELTA_NR_DIRTIED) }, { RS(DELTA_NR_DIRTY), RG(DELTA_NR_DIRTY) }, { RS(DELTA_NR_DIRTY_BACKGROUND_THRESHOLD), RG(DELTA_NR_DIRTY_BACKGROUND_THRESHOLD) }, { RS(DELTA_NR_DIRTY_THRESHOLD), RG(DELTA_NR_DIRTY_THRESHOLD) }, { RS(DELTA_NR_FILE_PAGES), RG(DELTA_NR_FILE_PAGES) }, { RS(DELTA_NR_FREE_CMA), RG(DELTA_NR_FREE_CMA) }, { RS(DELTA_NR_FREE_PAGES), RG(DELTA_NR_FREE_PAGES) }, { RS(DELTA_NR_INACTIVE_ANON), RG(DELTA_NR_INACTIVE_ANON) }, { RS(DELTA_NR_INACTIVE_FILE), RG(DELTA_NR_INACTIVE_FILE) }, { RS(DELTA_NR_ISOLATED_ANON), RG(DELTA_NR_ISOLATED_ANON) }, { RS(DELTA_NR_ISOLATED_FILE), RG(DELTA_NR_ISOLATED_FILE) }, { RS(DELTA_NR_KERNEL_STACK), RG(DELTA_NR_KERNEL_STACK) }, { RS(DELTA_NR_MAPPED), RG(DELTA_NR_MAPPED) }, { RS(DELTA_NR_MLOCK), RG(DELTA_NR_MLOCK) }, { RS(DELTA_NR_PAGES_SCANNED), RG(DELTA_NR_PAGES_SCANNED) }, { RS(DELTA_NR_PAGE_TABLE_PAGES), RG(DELTA_NR_PAGE_TABLE_PAGES) }, { RS(DELTA_NR_SHMEM), RG(DELTA_NR_SHMEM) }, { RS(DELTA_NR_SLAB_RECLAIMABLE), RG(DELTA_NR_SLAB_RECLAIMABLE) }, { RS(DELTA_NR_SLAB_UNRECLAIMABLE), RG(DELTA_NR_SLAB_UNRECLAIMABLE) }, { RS(DELTA_NR_UNEVICTABLE), RG(DELTA_NR_UNEVICTABLE) }, { RS(DELTA_NR_UNSTABLE), RG(DELTA_NR_UNSTABLE) }, { RS(DELTA_NR_VMSCAN_IMMEDIATE_RECLAIM), RG(DELTA_NR_VMSCAN_IMMEDIATE_RECLAIM) }, { RS(DELTA_NR_VMSCAN_WRITE), RG(DELTA_NR_VMSCAN_WRITE) }, { RS(DELTA_NR_WRITEBACK), RG(DELTA_NR_WRITEBACK) }, { RS(DELTA_NR_WRITEBACK_TEMP), RG(DELTA_NR_WRITEBACK_TEMP) }, { RS(DELTA_NR_WRITTEN), RG(DELTA_NR_WRITTEN) }, { RS(DELTA_NUMA_FOREIGN), RG(DELTA_NUMA_FOREIGN) }, { RS(DELTA_NUMA_HINT_FAULTS), RG(DELTA_NUMA_HINT_FAULTS) }, { RS(DELTA_NUMA_HINT_FAULTS_LOCAL), RG(DELTA_NUMA_HINT_FAULTS_LOCAL) }, { RS(DELTA_NUMA_HIT), RG(DELTA_NUMA_HIT) }, { RS(DELTA_NUMA_HUGE_PTE_UPDATES), RG(DELTA_NUMA_HUGE_PTE_UPDATES) }, { RS(DELTA_NUMA_INTERLEAVE), RG(DELTA_NUMA_INTERLEAVE) }, { RS(DELTA_NUMA_LOCAL), RG(DELTA_NUMA_LOCAL) }, { RS(DELTA_NUMA_MISS), RG(DELTA_NUMA_MISS) }, { RS(DELTA_NUMA_OTHER), RG(DELTA_NUMA_OTHER) }, { RS(DELTA_NUMA_PAGES_MIGRATED), RG(DELTA_NUMA_PAGES_MIGRATED) }, { RS(DELTA_NUMA_PTE_UPDATES), RG(DELTA_NUMA_PTE_UPDATES) }, { RS(DELTA_PAGEOUTRUN), RG(DELTA_PAGEOUTRUN) }, { RS(DELTA_PGACTIVATE), RG(DELTA_PGACTIVATE) }, { RS(DELTA_PGALLOC_DMA), RG(DELTA_PGALLOC_DMA) }, { RS(DELTA_PGALLOC_DMA32), RG(DELTA_PGALLOC_DMA32) }, { RS(DELTA_PGALLOC_MOVABLE), RG(DELTA_PGALLOC_MOVABLE) }, { RS(DELTA_PGALLOC_NORMAL), RG(DELTA_PGALLOC_NORMAL) }, { RS(DELTA_PGDEACTIVATE), RG(DELTA_PGDEACTIVATE) }, { RS(DELTA_PGFAULT), RG(DELTA_PGFAULT) }, { RS(DELTA_PGFREE), RG(DELTA_PGFREE) }, { RS(DELTA_PGINODESTEAL), RG(DELTA_PGINODESTEAL) }, { RS(DELTA_PGMAJFAULT), RG(DELTA_PGMAJFAULT) }, { RS(DELTA_PGMIGRATE_FAIL), RG(DELTA_PGMIGRATE_FAIL) }, { RS(DELTA_PGMIGRATE_SUCCESS), RG(DELTA_PGMIGRATE_SUCCESS) }, { RS(DELTA_PGPGIN), RG(DELTA_PGPGIN) }, { RS(DELTA_PGPGOUT), RG(DELTA_PGPGOUT) }, { RS(DELTA_PGREFILL_DMA), RG(DELTA_PGREFILL_DMA) }, { RS(DELTA_PGREFILL_DMA32), RG(DELTA_PGREFILL_DMA32) }, { RS(DELTA_PGREFILL_MOVABLE), RG(DELTA_PGREFILL_MOVABLE) }, { RS(DELTA_PGREFILL_NORMAL), RG(DELTA_PGREFILL_NORMAL) }, { RS(DELTA_PGROTATED), RG(DELTA_PGROTATED) }, { RS(DELTA_PGSCAN_DIRECT_DMA), RG(DELTA_PGSCAN_DIRECT_DMA) }, { RS(DELTA_PGSCAN_DIRECT_DMA32), RG(DELTA_PGSCAN_DIRECT_DMA32) }, { RS(DELTA_PGSCAN_DIRECT_MOVABLE), RG(DELTA_PGSCAN_DIRECT_MOVABLE) }, { RS(DELTA_PGSCAN_DIRECT_NORMAL), RG(DELTA_PGSCAN_DIRECT_NORMAL) }, { RS(DELTA_PGSCAN_DIRECT_THROTTLE), RG(DELTA_PGSCAN_DIRECT_THROTTLE) }, { RS(DELTA_PGSCAN_KSWAPD_DMA), RG(DELTA_PGSCAN_KSWAPD_DMA) }, { RS(DELTA_PGSCAN_KSWAPD_DMA32), RG(DELTA_PGSCAN_KSWAPD_DMA32) }, { RS(DELTA_PGSCAN_KSWAPD_MOVEABLE), RG(DELTA_PGSCAN_KSWAPD_MOVEABLE) }, { RS(DELTA_PGSCAN_KSWAPD_NORMAL), RG(DELTA_PGSCAN_KSWAPD_NORMAL) }, { RS(DELTA_PGSTEAL_DIRECT_DMA), RG(DELTA_PGSTEAL_DIRECT_DMA) }, { RS(DELTA_PGSTEAL_DIRECT_DMA32), RG(DELTA_PGSTEAL_DIRECT_DMA32) }, { RS(DELTA_PGSTEAL_DIRECT_MOVABLE), RG(DELTA_PGSTEAL_DIRECT_MOVABLE) }, { RS(DELTA_PGSTEAL_DIRECT_NORMAL), RG(DELTA_PGSTEAL_DIRECT_NORMAL) }, { RS(DELTA_PGSTEAL_KSWAPD_DMA), RG(DELTA_PGSTEAL_KSWAPD_DMA) }, { RS(DELTA_PGSTEAL_KSWAPD_DMA32), RG(DELTA_PGSTEAL_KSWAPD_DMA32) }, { RS(DELTA_PGSTEAL_KSWAPD_MOVABLE), RG(DELTA_PGSTEAL_KSWAPD_MOVABLE) }, { RS(DELTA_PGSTEAL_KSWAPD_NORMAL), RG(DELTA_PGSTEAL_KSWAPD_NORMAL) }, { RS(DELTA_PSWPIN), RG(DELTA_PSWPIN) }, { RS(DELTA_PSWPOUT), RG(DELTA_PSWPOUT) }, { RS(DELTA_SLABS_SCANNED), RG(DELTA_SLABS_SCANNED) }, { RS(DELTA_THP_COLLAPSE_ALLOC), RG(DELTA_THP_COLLAPSE_ALLOC) }, { RS(DELTA_THP_COLLAPSE_ALLOC_FAILED), RG(DELTA_THP_COLLAPSE_ALLOC_FAILED) }, { RS(DELTA_THP_FAULT_ALLOC), RG(DELTA_THP_FAULT_ALLOC) }, { RS(DELTA_THP_FAULT_FALLBACK), RG(DELTA_THP_FAULT_FALLBACK) }, { RS(DELTA_THP_SPLIT), RG(DELTA_THP_SPLIT) }, { RS(DELTA_THP_ZERO_PAGE_ALLOC), RG(DELTA_THP_ZERO_PAGE_ALLOC) }, { RS(DELTA_THP_ZERO_PAGE_ALLOC_FAILED), RG(DELTA_THP_ZERO_PAGE_ALLOC_FAILED) }, { RS(DELTA_UNEVICTABLE_PGS_CLEARED), RG(DELTA_UNEVICTABLE_PGS_CLEARED) }, { RS(DELTA_UNEVICTABLE_PGS_CULLED), RG(DELTA_UNEVICTABLE_PGS_CULLED) }, { RS(DELTA_UNEVICTABLE_PGS_MLOCKED), RG(DELTA_UNEVICTABLE_PGS_MLOCKED) }, { RS(DELTA_UNEVICTABLE_PGS_MUNLOCKED), RG(DELTA_UNEVICTABLE_PGS_MUNLOCKED) }, { RS(DELTA_UNEVICTABLE_PGS_RESCUED), RG(DELTA_UNEVICTABLE_PGS_RESCUED) }, { RS(DELTA_UNEVICTABLE_PGS_SCANNED), RG(DELTA_UNEVICTABLE_PGS_SCANNED) }, { RS(DELTA_UNEVICTABLE_PGS_STRANDED), RG(DELTA_UNEVICTABLE_PGS_STRANDED) }, { RS(DELTA_WORKINGSET_ACTIVATE), RG(DELTA_WORKINGSET_ACTIVATE) }, { RS(DELTA_WORKINGSET_NODERECLAIM), RG(DELTA_WORKINGSET_NODERECLAIM) }, { RS(DELTA_WORKINGSET_REFAULT), RG(DELTA_WORKINGSET_REFAULT) }, { RS(DELTA_ZONE_RECLAIM_FAILED), RG(DELTA_ZONE_RECLAIM_FAILED) }, { NULL, NULL } }; /* please note, * this enum MUST be 1 greater than the highest value of any enum */ enum vmstat_item PROCPS_VMSTAT_logical_end = PROCPS_VMSTAT_ZONE_RECLAIM_FAILED + 1; #undef setNAME #undef setDECL #undef REG_set #undef HST_set #undef getNAME #undef getDECL #undef REG_get #undef HST_get // ___ Private Functions |||||||||||||||||||||||||||||||||||||||||||||||||||||| static inline void assign_results ( struct vmstat_stack *stack, struct vmstat_hist *hist) { struct vmstat_result *this = stack->head; for (;;) { enum vmstat_item item = this->item; if (item >= PROCPS_VMSTAT_logical_end) break; Item_table[item].setsfunc(this, hist); ++this; } return; } // end: assign_results static inline void cleanup_stack ( struct vmstat_result *this) { for (;;) { if (this->item >= PROCPS_VMSTAT_logical_end) break; if (this->item > PROCPS_VMSTAT_noop) this->result.ul_int = 0; ++this; } } // end: cleanup_stack static inline void cleanup_stacks_all ( struct procps_vmstat *info) { int i; struct stacks_extent *ext = info->extents; while (ext) { for (i = 0; ext->stacks[i]; i++) cleanup_stack(ext->stacks[i]->head); ext = ext->next; }; info->dirty_stacks = 0; } // end: cleanup_stacks_all static void extents_free_all ( struct procps_vmstat *info) { do { struct stacks_extent *p = info->extents; info->extents = info->extents->next; free(p); } while (info->extents); } // end: extents_free_all static inline struct vmstat_result *itemize_stack ( struct vmstat_result *p, int depth, enum vmstat_item *items) { struct vmstat_result *p_sav = p; int i; for (i = 0; i < depth; i++) { p->item = items[i]; p->result.ul_int = 0; ++p; } return p_sav; } // end: itemize_stack static inline int items_check_failed ( int numitems, enum vmstat_item *items) { int i; /* if an enum is passed instead of an address of one or more enums, ol' gcc * will silently convert it to an address (possibly NULL). only clang will * offer any sort of warning like the following: * * warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'enum vmstat_item *' * my_stack = procps_vmstat_select(info, PROCPS_VMSTAT_noop, num); * ^~~~~~~~~~~~~~~~ */ if (numitems < 1 || (void *)items < (void *)(unsigned long)(2 * PROCPS_VMSTAT_logical_end)) return -1; for (i = 0; i < numitems; i++) { // a vmstat_item is currently unsigned, but we'll protect our future if (items[i] < 0) return -1; if (items[i] >= PROCPS_VMSTAT_logical_end) return -1; } return 0; } // end: items_check_failed static int make_hash_failed ( struct procps_vmstat *info) { #define mkSTR(a) xySTR(a) #define xySTR(z) #z #define htVAL(f) e.key = mkSTR(f); e.data = &info->hist.new. f; \ if (!hsearch_r(e, ENTER, &ep, &info->hashtab)) return -errno; ENTRY e, *ep; size_t n; n = sizeof(struct vmstat_data) / sizeof(unsigned long); // we'll follow the hsearch recommendation of an extra 25% hcreate_r(n + (n / 4), &info->hashtab); htVAL(allocstall) htVAL(balloon_deflate) htVAL(balloon_inflate) htVAL(balloon_migrate) htVAL(compact_fail) htVAL(compact_free_scanned) htVAL(compact_isolated) htVAL(compact_migrate_scanned) htVAL(compact_stall) htVAL(compact_success) htVAL(drop_pagecache) htVAL(drop_slab) htVAL(htlb_buddy_alloc_fail) htVAL(htlb_buddy_alloc_success) htVAL(kswapd_high_wmark_hit_quickly) htVAL(kswapd_inodesteal) htVAL(kswapd_low_wmark_hit_quickly) htVAL(nr_active_anon) htVAL(nr_active_file) htVAL(nr_alloc_batch) htVAL(nr_anon_pages) htVAL(nr_anon_transparent_hugepages) htVAL(nr_bounce) htVAL(nr_dirtied) htVAL(nr_dirty) htVAL(nr_dirty_background_threshold) htVAL(nr_dirty_threshold) htVAL(nr_file_pages) htVAL(nr_free_cma) htVAL(nr_free_pages) htVAL(nr_inactive_anon) htVAL(nr_inactive_file) htVAL(nr_isolated_anon) htVAL(nr_isolated_file) htVAL(nr_kernel_stack) htVAL(nr_mapped) htVAL(nr_mlock) htVAL(nr_pages_scanned) htVAL(nr_page_table_pages) htVAL(nr_shmem) htVAL(nr_slab_reclaimable) htVAL(nr_slab_unreclaimable) htVAL(nr_unevictable) htVAL(nr_unstable) htVAL(nr_vmscan_immediate_reclaim) htVAL(nr_vmscan_write) htVAL(nr_writeback) htVAL(nr_writeback_temp) htVAL(nr_written) htVAL(numa_foreign) htVAL(numa_hint_faults) htVAL(numa_hint_faults_local) htVAL(numa_hit) htVAL(numa_huge_pte_updates) htVAL(numa_interleave) htVAL(numa_local) htVAL(numa_miss) htVAL(numa_other) htVAL(numa_pages_migrated) htVAL(numa_pte_updates) htVAL(pageoutrun) htVAL(pgactivate) htVAL(pgalloc_dma) htVAL(pgalloc_dma32) htVAL(pgalloc_movable) htVAL(pgalloc_normal) htVAL(pgdeactivate) htVAL(pgfault) htVAL(pgfree) htVAL(pginodesteal) htVAL(pgmajfault) htVAL(pgmigrate_fail) htVAL(pgmigrate_success) htVAL(pgpgin) htVAL(pgpgout) htVAL(pgrefill_dma) htVAL(pgrefill_dma32) htVAL(pgrefill_movable) htVAL(pgrefill_normal) htVAL(pgrotated) htVAL(pgscan_direct_dma) htVAL(pgscan_direct_dma32) htVAL(pgscan_direct_movable) htVAL(pgscan_direct_normal) htVAL(pgscan_direct_throttle) htVAL(pgscan_kswapd_dma) htVAL(pgscan_kswapd_dma32) htVAL(pgscan_kswapd_movable) htVAL(pgscan_kswapd_normal) htVAL(pgsteal_direct_dma) htVAL(pgsteal_direct_dma32) htVAL(pgsteal_direct_movable) htVAL(pgsteal_direct_normal) htVAL(pgsteal_kswapd_dma) htVAL(pgsteal_kswapd_dma32) htVAL(pgsteal_kswapd_movable) htVAL(pgsteal_kswapd_normal) htVAL(pswpin) htVAL(pswpout) htVAL(slabs_scanned) htVAL(thp_collapse_alloc) htVAL(thp_collapse_alloc_failed) htVAL(thp_fault_alloc) htVAL(thp_fault_fallback) htVAL(thp_split) htVAL(thp_zero_page_alloc) htVAL(thp_zero_page_alloc_failed) htVAL(unevictable_pgs_cleared) htVAL(unevictable_pgs_culled) htVAL(unevictable_pgs_mlocked) htVAL(unevictable_pgs_munlocked) htVAL(unevictable_pgs_rescued) htVAL(unevictable_pgs_scanned) htVAL(unevictable_pgs_stranded) htVAL(workingset_activate) htVAL(workingset_nodereclaim) htVAL(workingset_refault) htVAL(zone_reclaim_failed) return 0; #undef mkSTR #undef xySTR #undef htVAL } // end: make_hash_failed /* * read_vmstat_failed(): * * Read the data out of /proc/vmstat putting the information * into the supplied info structure */ static int read_vmstat_failed ( struct procps_vmstat *info) { char buf[8192]; char *head, *tail; int size; unsigned long *valptr; if (info == NULL) return -1; // remember history from last time around memcpy(&info->hist.old, &info->hist.new, sizeof(struct vmstat_data)); // clear out the soon to be 'current' values memset(&info->hist.new, 0, sizeof(struct vmstat_data)); if (-1 == info->vmstat_fd && (info->vmstat_fd = open(VMSTAT_FILE, O_RDONLY)) == -1) return -errno; if (lseek(info->vmstat_fd, 0L, SEEK_SET) == -1) return -errno; for (;;) { if ((size = read(info->vmstat_fd, buf, sizeof(buf)-1)) < 0) { if (errno == EINTR || errno == EAGAIN) continue; return -errno; } break; } if (size == 0) return 0; buf[size] = '\0'; head = buf; do { ENTRY e, *ep; tail = strchr(head, ' '); if (!tail) break; *tail = '\0'; valptr = NULL; e.key = head; if (hsearch_r(e, FIND, &ep, &info->hashtab)) valptr = ep->data; head = tail + 1; if (valptr) *valptr = strtoul(head, &tail, 10); tail = strchr(head, '\n'); if (!tail) break; head = tail + 1; } while(tail); // let's not distort the deltas the first time thru ... if (!info->vmstat_was_read) memcpy(&info->hist.old, &info->hist.new, sizeof(struct vmstat_data)); info->vmstat_was_read = 1; return 0; } // end: read_vmstat_failed /* * stacks_alloc(): * * Allocate and initialize one or more stacks each of which is anchored in an * associated vmstat_stack structure. * * All such stacks will have their result structures properly primed with * 'items', while the result itself will be zeroed. * * Returns a stacks_extent struct anchoring the 'heads' of each new stack. */ static struct stacks_extent *stacks_alloc ( struct procps_vmstat *info, int maxstacks) { struct stacks_extent *p_blob; struct vmstat_stack **p_vect; struct vmstat_stack *p_head; size_t vect_size, head_size, list_size, blob_size; void *v_head, *v_list; int i; if (info == NULL || info->items == NULL) return NULL; if (maxstacks < 1) return NULL; vect_size = sizeof(void *) * maxstacks; // size of the addr vectors | vect_size += sizeof(void *); // plus NULL addr delimiter | head_size = sizeof(struct vmstat_stack); // size of that head struct | list_size = sizeof(struct vmstat_result)*info->numitems; // any single results stack | blob_size = sizeof(struct stacks_extent); // the extent anchor itself | blob_size += vect_size; // plus room for addr vects | blob_size += head_size * maxstacks; // plus room for head thing | blob_size += list_size * maxstacks; // plus room for our stacks | /* note: all of our memory is allocated in a single blob, facilitating a later free(). | as a minimum, it is important that the result structures themselves always be | contiguous for every stack since they are accessed through relative position. | */ if (NULL == (p_blob = calloc(1, blob_size))) return NULL; p_blob->next = info->extents; // push this extent onto... | info->extents = p_blob; // ...some existing extents | p_vect = (void *)p_blob + sizeof(struct stacks_extent); // prime our vector pointer | p_blob->stacks = p_vect; // set actual vectors start | v_head = (void *)p_vect + vect_size; // prime head pointer start | v_list = v_head + (head_size * maxstacks); // prime our stacks pointer | for (i = 0; i < maxstacks; i++) { p_head = (struct vmstat_stack *)v_head; p_head->head = itemize_stack((struct vmstat_result *)v_list, info->numitems, info->items); p_blob->stacks[i] = p_head; v_list += list_size; v_head += head_size; } p_blob->ext_numstacks = maxstacks; return p_blob; } // end: stacks_alloc // ___ Public Functions ||||||||||||||||||||||||||||||||||||||||||||||||||||||| /* * procps_vmstat_new: * * Create a new container to hold the stat information * * The initial refcount is 1, and needs to be decremented * to release the resources of the structure. * * Returns: a pointer to a new vmstatinfo struct */ PROCPS_EXPORT int procps_vmstat_new ( struct procps_vmstat **info) { struct procps_vmstat *p; int rc; if (info == NULL || *info != NULL) return -EINVAL; if (!(p = calloc(1, sizeof(struct procps_vmstat)))) return -ENOMEM; p->refcount = 1; p->vmstat_fd = -1; if ((rc = make_hash_failed(p))) { free(p); return rc; } *info = p; return 0; } // end: procps_vmstat_new PROCPS_EXPORT int procps_vmstat_ref ( struct procps_vmstat *info) { if (info == NULL) return -EINVAL; info->refcount++; return info->refcount; } // end: procps_vmstat_ref PROCPS_EXPORT int procps_vmstat_unref ( struct procps_vmstat **info) { if (info == NULL || *info == NULL) return -EINVAL; (*info)->refcount--; if ((*info)->refcount == 0) { if ((*info)->extents) extents_free_all((*info)); if ((*info)->items) free((*info)->items); hdestroy_r(&(*info)->hashtab); free(*info); *info = NULL; return 0; } return (*info)->refcount; } // end: procps_vmstat_unref PROCPS_EXPORT signed long procps_vmstat_get ( struct procps_vmstat *info, enum vmstat_item item) { static time_t sav_secs; time_t cur_secs; int rc; if (info == NULL) return -EINVAL; if (item < 0 || item >= PROCPS_VMSTAT_logical_end) return -EINVAL; /* we will NOT read the vmstat file with every call - rather, we'll offer a granularity of 1 second between reads ... */ cur_secs = time(NULL); if (1 <= cur_secs - sav_secs) { if ((rc = read_vmstat_failed(info))) return rc; sav_secs = cur_secs; } if (item < PROCPS_VMSTAT_logical_end) return Item_table[item].getsfunc(info); return -EINVAL; } // end: procps_vmstat_get /* procps_vmstat_select(): * * Harvest all the requested /proc/vmstat information then return * it in a results stack. * * Returns: pointer to a vmstat_stack struct on success, NULL on error. */ PROCPS_EXPORT struct vmstat_stack *procps_vmstat_select ( struct procps_vmstat *info, enum vmstat_item *items, int numitems) { if (info == NULL || items == NULL) return NULL; if (items_check_failed(numitems, items)) return NULL; /* is this the first time or have things changed since we were last called? if so, gotta' redo all of our stacks stuff ... */ if (info->numitems != numitems + 1 || memcmp(info->items, items, sizeof(enum vmstat_item) * numitems)) { // allow for our PROCPS_VMSTAT_logical_end if (!(info->items = realloc(info->items, sizeof(enum vmstat_item) * (numitems + 1)))) return NULL; memcpy(info->items, items, sizeof(enum vmstat_item) * numitems); info->items[numitems] = PROCPS_VMSTAT_logical_end; info->numitems = numitems + 1; if (info->extents) extents_free_all(info); } if (!info->extents && !(info->extents = stacks_alloc(info, 1))) return NULL; if (info->dirty_stacks) cleanup_stacks_all(info); if (read_vmstat_failed(info)) return NULL; assign_results(info->extents->stacks[0], &info->hist); info->dirty_stacks = 1; return info->extents->stacks[0]; } // end: procps_vmstat_select