]> arthur.barton.de Git - netdata.git/blob - src/proc_vmstat.c
inline string to number conversion
[netdata.git] / src / proc_vmstat.c
1 #include "common.h"
2
3 int do_proc_vmstat(int update_every, usec_t dt) {
4     (void)dt;
5
6     static procfile *ff = NULL;
7     static int do_swapio = -1, do_io = -1, do_pgfaults = -1, do_numa = -1;
8     static int has_numa = -1;
9
10     // static uint32_t hash_allocstall_dma = 0;
11     // static uint32_t hash_allocstall_dma32 = 0;
12     // static uint32_t hash_allocstall_movable = 0;
13     // static uint32_t hash_allocstall_normal = 0;
14     // static uint32_t hash_balloon_deflate = 0;
15     // static uint32_t hash_balloon_inflate = 0;
16     // static uint32_t hash_balloon_migrate = 0;
17     // static uint32_t hash_compact_daemon_wake = 0;
18     // static uint32_t hash_compact_fail = 0;
19     // static uint32_t hash_compact_free_scanned = 0;
20     // static uint32_t hash_compact_isolated = 0;
21     // static uint32_t hash_compact_migrate_scanned = 0;
22     // static uint32_t hash_compact_stall = 0;
23     // static uint32_t hash_compact_success = 0;
24     // static uint32_t hash_drop_pagecache = 0;
25     // static uint32_t hash_drop_slab = 0;
26     // static uint32_t hash_htlb_buddy_alloc_fail = 0;
27     // static uint32_t hash_htlb_buddy_alloc_success = 0;
28     // static uint32_t hash_kswapd_high_wmark_hit_quickly = 0;
29     // static uint32_t hash_kswapd_inodesteal = 0;
30     // static uint32_t hash_kswapd_low_wmark_hit_quickly = 0;
31     // static uint32_t hash_nr_active_anon = 0;
32     // static uint32_t hash_nr_active_file = 0;
33     // static uint32_t hash_nr_anon_pages = 0;
34     // static uint32_t hash_nr_anon_transparent_hugepages = 0;
35     // static uint32_t hash_nr_bounce = 0;
36     // static uint32_t hash_nr_dirtied = 0;
37     // static uint32_t hash_nr_dirty = 0;
38     // static uint32_t hash_nr_dirty_background_threshold = 0;
39     // static uint32_t hash_nr_dirty_threshold = 0;
40     // static uint32_t hash_nr_file_pages = 0;
41     // static uint32_t hash_nr_free_cma = 0;
42     // static uint32_t hash_nr_free_pages = 0;
43     // static uint32_t hash_nr_inactive_anon = 0;
44     // static uint32_t hash_nr_inactive_file = 0;
45     // static uint32_t hash_nr_isolated_anon = 0;
46     // static uint32_t hash_nr_isolated_file = 0;
47     // static uint32_t hash_nr_kernel_stack = 0;
48     // static uint32_t hash_nr_mapped = 0;
49     // static uint32_t hash_nr_mlock = 0;
50     // static uint32_t hash_nr_pages_scanned = 0;
51     // static uint32_t hash_nr_page_table_pages = 0;
52     // static uint32_t hash_nr_shmem = 0;
53     // static uint32_t hash_nr_shmem_hugepages = 0;
54     // static uint32_t hash_nr_shmem_pmdmapped = 0;
55     // static uint32_t hash_nr_slab_reclaimable = 0;
56     // static uint32_t hash_nr_slab_unreclaimable = 0;
57     // static uint32_t hash_nr_unevictable = 0;
58     // static uint32_t hash_nr_unstable = 0;
59     // static uint32_t hash_nr_vmscan_immediate_reclaim = 0;
60     // static uint32_t hash_nr_vmscan_write = 0;
61     // static uint32_t hash_nr_writeback = 0;
62     // static uint32_t hash_nr_writeback_temp = 0;
63     // static uint32_t hash_nr_written = 0;
64     // static uint32_t hash_nr_zone_active_anon = 0;
65     // static uint32_t hash_nr_zone_active_file = 0;
66     // static uint32_t hash_nr_zone_inactive_anon = 0;
67     // static uint32_t hash_nr_zone_inactive_file = 0;
68     // static uint32_t hash_nr_zone_unevictable = 0;
69     // static uint32_t hash_nr_zone_write_pending = 0;
70     // static uint32_t hash_nr_zspages = 0;
71     static uint32_t hash_numa_foreign = 0;
72     static uint32_t hash_numa_hint_faults = 0;
73     static uint32_t hash_numa_hint_faults_local = 0;
74     //static uint32_t hash_numa_hit = 0;
75     static uint32_t hash_numa_huge_pte_updates = 0;
76     static uint32_t hash_numa_interleave = 0;
77     static uint32_t hash_numa_local = 0;
78     //static uint32_t hash_numa_miss = 0;
79     static uint32_t hash_numa_other = 0;
80     static uint32_t hash_numa_pages_migrated = 0;
81     static uint32_t hash_numa_pte_updates = 0;
82     // static uint32_t hash_pageoutrun = 0;
83     // static uint32_t hash_pgactivate = 0;
84     // static uint32_t hash_pgalloc_dma = 0;
85     // static uint32_t hash_pgalloc_dma32 = 0;
86     // static uint32_t hash_pgalloc_movable = 0;
87     // static uint32_t hash_pgalloc_normal = 0;
88     // static uint32_t hash_pgdeactivate = 0;
89     static uint32_t hash_pgfault = 0;
90     // static uint32_t hash_pgfree = 0;
91     // static uint32_t hash_pginodesteal = 0;
92     // static uint32_t hash_pglazyfreed = 0;
93     static uint32_t hash_pgmajfault = 0;
94     // static uint32_t hash_pgmigrate_fail = 0;
95     // static uint32_t hash_pgmigrate_success = 0;
96     static uint32_t hash_pgpgin = 0;
97     static uint32_t hash_pgpgout = 0;
98     // static uint32_t hash_pgrefill = 0;
99     // static uint32_t hash_pgrotated = 0;
100     // static uint32_t hash_pgscan_direct = 0;
101     // static uint32_t hash_pgscan_direct_throttle = 0;
102     // static uint32_t hash_pgscan_kswapd = 0;
103     // static uint32_t hash_pgskip_dma = 0;
104     // static uint32_t hash_pgskip_dma32 = 0;
105     // static uint32_t hash_pgskip_movable = 0;
106     // static uint32_t hash_pgskip_normal = 0;
107     // static uint32_t hash_pgsteal_direct = 0;
108     // static uint32_t hash_pgsteal_kswapd = 0;
109     static uint32_t hash_pswpin = 0;
110     static uint32_t hash_pswpout = 0;
111     // static uint32_t hash_slabs_scanned = 0;
112     // static uint32_t hash_thp_collapse_alloc = 0;
113     // static uint32_t hash_thp_collapse_alloc_failed = 0;
114     // static uint32_t hash_thp_deferred_split_page = 0;
115     // static uint32_t hash_thp_fault_alloc = 0;
116     // static uint32_t hash_thp_fault_fallback = 0;
117     // static uint32_t hash_thp_file_alloc = 0;
118     // static uint32_t hash_thp_file_mapped = 0;
119     // static uint32_t hash_thp_split_page = 0;
120     // static uint32_t hash_thp_split_page_failed = 0;
121     // static uint32_t hash_thp_split_pmd = 0;
122     // static uint32_t hash_thp_zero_page_alloc = 0;
123     // static uint32_t hash_thp_zero_page_alloc_failed = 0;
124     // static uint32_t hash_unevictable_pgs_cleared = 0;
125     // static uint32_t hash_unevictable_pgs_culled = 0;
126     // static uint32_t hash_unevictable_pgs_mlocked = 0;
127     // static uint32_t hash_unevictable_pgs_munlocked = 0;
128     // static uint32_t hash_unevictable_pgs_rescued = 0;
129     // static uint32_t hash_unevictable_pgs_scanned = 0;
130     // static uint32_t hash_unevictable_pgs_stranded = 0;
131     // static uint32_t hash_workingset_activate = 0;
132     // static uint32_t hash_workingset_nodereclaim = 0;
133     // static uint32_t hash_workingset_refault = 0;
134     // static uint32_t hash_zone_reclaim_failed = 0;
135
136     if(unlikely(do_swapio == -1)) {
137         do_swapio = config_get_boolean_ondemand("plugin:proc:/proc/vmstat", "swap i/o", CONFIG_ONDEMAND_ONDEMAND);
138         do_io = config_get_boolean("plugin:proc:/proc/vmstat", "disk i/o", 1);
139         do_pgfaults = config_get_boolean("plugin:proc:/proc/vmstat", "memory page faults", 1);
140         do_numa = config_get_boolean_ondemand("plugin:proc:/proc/vmstat", "system-wide numa metric summary", CONFIG_ONDEMAND_ONDEMAND);
141
142         // hash_allocstall_dma32 = simple_hash("allocstall_dma32");
143         // hash_allocstall_dma = simple_hash("allocstall_dma");
144         // hash_allocstall_movable = simple_hash("allocstall_movable");
145         // hash_allocstall_normal = simple_hash("allocstall_normal");
146         // hash_balloon_deflate = simple_hash("balloon_deflate");
147         // hash_balloon_inflate = simple_hash("balloon_inflate");
148         // hash_balloon_migrate = simple_hash("balloon_migrate");
149         // hash_compact_daemon_wake = simple_hash("compact_daemon_wake");
150         // hash_compact_fail = simple_hash("compact_fail");
151         // hash_compact_free_scanned = simple_hash("compact_free_scanned");
152         // hash_compact_isolated = simple_hash("compact_isolated");
153         // hash_compact_migrate_scanned = simple_hash("compact_migrate_scanned");
154         // hash_compact_stall = simple_hash("compact_stall");
155         // hash_compact_success = simple_hash("compact_success");
156         // hash_drop_pagecache = simple_hash("drop_pagecache");
157         // hash_drop_slab = simple_hash("drop_slab");
158         // hash_htlb_buddy_alloc_fail = simple_hash("htlb_buddy_alloc_fail");
159         // hash_htlb_buddy_alloc_success = simple_hash("htlb_buddy_alloc_success");
160         // hash_kswapd_high_wmark_hit_quickly = simple_hash("kswapd_high_wmark_hit_quickly");
161         // hash_kswapd_inodesteal = simple_hash("kswapd_inodesteal");
162         // hash_kswapd_low_wmark_hit_quickly = simple_hash("kswapd_low_wmark_hit_quickly");
163         // hash_nr_active_anon = simple_hash("nr_active_anon");
164         // hash_nr_active_file = simple_hash("nr_active_file");
165         // hash_nr_anon_pages = simple_hash("nr_anon_pages");
166         // hash_nr_anon_transparent_hugepages = simple_hash("nr_anon_transparent_hugepages");
167         // hash_nr_bounce = simple_hash("nr_bounce");
168         // hash_nr_dirtied = simple_hash("nr_dirtied");
169         // hash_nr_dirty_background_threshold = simple_hash("nr_dirty_background_threshold");
170         // hash_nr_dirty = simple_hash("nr_dirty");
171         // hash_nr_dirty_threshold = simple_hash("nr_dirty_threshold");
172         // hash_nr_file_pages = simple_hash("nr_file_pages");
173         // hash_nr_free_cma = simple_hash("nr_free_cma");
174         // hash_nr_free_pages = simple_hash("nr_free_pages");
175         // hash_nr_inactive_anon = simple_hash("nr_inactive_anon");
176         // hash_nr_inactive_file = simple_hash("nr_inactive_file");
177         // hash_nr_isolated_anon = simple_hash("nr_isolated_anon");
178         // hash_nr_isolated_file = simple_hash("nr_isolated_file");
179         // hash_nr_kernel_stack = simple_hash("nr_kernel_stack");
180         // hash_nr_mapped = simple_hash("nr_mapped");
181         // hash_nr_mlock = simple_hash("nr_mlock");
182         // hash_nr_pages_scanned = simple_hash("nr_pages_scanned");
183         // hash_nr_page_table_pages = simple_hash("nr_page_table_pages");
184         // hash_nr_shmem_hugepages = simple_hash("nr_shmem_hugepages");
185         // hash_nr_shmem_pmdmapped = simple_hash("nr_shmem_pmdmapped");
186         // hash_nr_shmem = simple_hash("nr_shmem");
187         // hash_nr_slab_reclaimable = simple_hash("nr_slab_reclaimable");
188         // hash_nr_slab_unreclaimable = simple_hash("nr_slab_unreclaimable");
189         // hash_nr_unevictable = simple_hash("nr_unevictable");
190         // hash_nr_unstable = simple_hash("nr_unstable");
191         // hash_nr_vmscan_immediate_reclaim = simple_hash("nr_vmscan_immediate_reclaim");
192         // hash_nr_vmscan_write = simple_hash("nr_vmscan_write");
193         // hash_nr_writeback = simple_hash("nr_writeback");
194         // hash_nr_writeback_temp = simple_hash("nr_writeback_temp");
195         // hash_nr_written = simple_hash("nr_written");
196         // hash_nr_zone_active_anon = simple_hash("nr_zone_active_anon");
197         // hash_nr_zone_active_file = simple_hash("nr_zone_active_file");
198         // hash_nr_zone_inactive_anon = simple_hash("nr_zone_inactive_anon");
199         // hash_nr_zone_inactive_file = simple_hash("nr_zone_inactive_file");
200         // hash_nr_zone_unevictable = simple_hash("nr_zone_unevictable");
201         // hash_nr_zone_write_pending = simple_hash("nr_zone_write_pending");
202         // hash_nr_zspages = simple_hash("nr_zspages");
203         hash_numa_foreign = simple_hash("numa_foreign");
204         hash_numa_hint_faults_local = simple_hash("numa_hint_faults_local");
205         hash_numa_hint_faults = simple_hash("numa_hint_faults");
206         //hash_numa_hit = simple_hash("numa_hit");
207         hash_numa_huge_pte_updates = simple_hash("numa_huge_pte_updates");
208         hash_numa_interleave = simple_hash("numa_interleave");
209         hash_numa_local = simple_hash("numa_local");
210         //hash_numa_miss = simple_hash("numa_miss");
211         hash_numa_other = simple_hash("numa_other");
212         hash_numa_pages_migrated = simple_hash("numa_pages_migrated");
213         hash_numa_pte_updates = simple_hash("numa_pte_updates");
214         // hash_pageoutrun = simple_hash("pageoutrun");
215         // hash_pgactivate = simple_hash("pgactivate");
216         // hash_pgalloc_dma32 = simple_hash("pgalloc_dma32");
217         // hash_pgalloc_dma = simple_hash("pgalloc_dma");
218         // hash_pgalloc_movable = simple_hash("pgalloc_movable");
219         // hash_pgalloc_normal = simple_hash("pgalloc_normal");
220         // hash_pgdeactivate = simple_hash("pgdeactivate");
221         hash_pgfault = simple_hash("pgfault");
222         // hash_pgfree = simple_hash("pgfree");
223         // hash_pginodesteal = simple_hash("pginodesteal");
224         // hash_pglazyfreed = simple_hash("pglazyfreed");
225         hash_pgmajfault = simple_hash("pgmajfault");
226         // hash_pgmigrate_fail = simple_hash("pgmigrate_fail");
227         // hash_pgmigrate_success = simple_hash("pgmigrate_success");
228         hash_pgpgin = simple_hash("pgpgin");
229         hash_pgpgout = simple_hash("pgpgout");
230         // hash_pgrefill = simple_hash("pgrefill");
231         // hash_pgrotated = simple_hash("pgrotated");
232         // hash_pgscan_direct = simple_hash("pgscan_direct");
233         // hash_pgscan_direct_throttle = simple_hash("pgscan_direct_throttle");
234         // hash_pgscan_kswapd = simple_hash("pgscan_kswapd");
235         // hash_pgskip_dma32 = simple_hash("pgskip_dma32");
236         // hash_pgskip_dma = simple_hash("pgskip_dma");
237         // hash_pgskip_movable = simple_hash("pgskip_movable");
238         // hash_pgskip_normal = simple_hash("pgskip_normal");
239         // hash_pgsteal_direct = simple_hash("pgsteal_direct");
240         // hash_pgsteal_kswapd = simple_hash("pgsteal_kswapd");
241         hash_pswpin = simple_hash("pswpin");
242         hash_pswpout = simple_hash("pswpout");
243         // hash_slabs_scanned = simple_hash("slabs_scanned");
244         // hash_thp_collapse_alloc_failed = simple_hash("thp_collapse_alloc_failed");
245         // hash_thp_collapse_alloc = simple_hash("thp_collapse_alloc");
246         // hash_thp_deferred_split_page = simple_hash("thp_deferred_split_page");
247         // hash_thp_fault_alloc = simple_hash("thp_fault_alloc");
248         // hash_thp_fault_fallback = simple_hash("thp_fault_fallback");
249         // hash_thp_file_alloc = simple_hash("thp_file_alloc");
250         // hash_thp_file_mapped = simple_hash("thp_file_mapped");
251         // hash_thp_split_page_failed = simple_hash("thp_split_page_failed");
252         // hash_thp_split_page = simple_hash("thp_split_page");
253         // hash_thp_split_pmd = simple_hash("thp_split_pmd");
254         // hash_thp_zero_page_alloc_failed = simple_hash("thp_zero_page_alloc_failed");
255         // hash_thp_zero_page_alloc = simple_hash("thp_zero_page_alloc");
256         // hash_unevictable_pgs_cleared = simple_hash("unevictable_pgs_cleared");
257         // hash_unevictable_pgs_culled = simple_hash("unevictable_pgs_culled");
258         // hash_unevictable_pgs_mlocked = simple_hash("unevictable_pgs_mlocked");
259         // hash_unevictable_pgs_munlocked = simple_hash("unevictable_pgs_munlocked");
260         // hash_unevictable_pgs_rescued = simple_hash("unevictable_pgs_rescued");
261         // hash_unevictable_pgs_scanned = simple_hash("unevictable_pgs_scanned");
262         // hash_unevictable_pgs_stranded = simple_hash("unevictable_pgs_stranded");
263         // hash_workingset_activate = simple_hash("workingset_activate");
264         // hash_workingset_nodereclaim = simple_hash("workingset_nodereclaim");
265         // hash_workingset_refault = simple_hash("workingset_refault");
266         // hash_zone_reclaim_failed = simple_hash("zone_reclaim_failed");
267     }
268
269     if(unlikely(!ff)) {
270         char filename[FILENAME_MAX + 1];
271         snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/vmstat");
272         ff = procfile_open(config_get("plugin:proc:/proc/vmstat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
273         if(unlikely(!ff)) return 1;
274     }
275
276     ff = procfile_readall(ff);
277     if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
278
279     uint32_t lines = procfile_lines(ff), l;
280
281     // unsigned long long allocstall_dma = 0ULL;
282     // unsigned long long allocstall_dma32 = 0ULL;
283     // unsigned long long allocstall_movable = 0ULL;
284     // unsigned long long allocstall_normal = 0ULL;
285     // unsigned long long balloon_deflate = 0ULL;
286     // unsigned long long balloon_inflate = 0ULL;
287     // unsigned long long balloon_migrate = 0ULL;
288     // unsigned long long compact_daemon_wake = 0ULL;
289     // unsigned long long compact_fail = 0ULL;
290     // unsigned long long compact_free_scanned = 0ULL;
291     // unsigned long long compact_isolated = 0ULL;
292     // unsigned long long compact_migrate_scanned = 0ULL;
293     // unsigned long long compact_stall = 0ULL;
294     // unsigned long long compact_success = 0ULL;
295     // unsigned long long drop_pagecache = 0ULL;
296     // unsigned long long drop_slab = 0ULL;
297     // unsigned long long htlb_buddy_alloc_fail = 0ULL;
298     // unsigned long long htlb_buddy_alloc_success = 0ULL;
299     // unsigned long long kswapd_high_wmark_hit_quickly = 0ULL;
300     // unsigned long long kswapd_inodesteal = 0ULL;
301     // unsigned long long kswapd_low_wmark_hit_quickly = 0ULL;
302     // unsigned long long nr_active_anon = 0ULL;
303     // unsigned long long nr_active_file = 0ULL;
304     // unsigned long long nr_anon_pages = 0ULL;
305     // unsigned long long nr_anon_transparent_hugepages = 0ULL;
306     // unsigned long long nr_bounce = 0ULL;
307     // unsigned long long nr_dirtied = 0ULL;
308     // unsigned long long nr_dirty = 0ULL;
309     // unsigned long long nr_dirty_background_threshold = 0ULL;
310     // unsigned long long nr_dirty_threshold = 0ULL;
311     // unsigned long long nr_file_pages = 0ULL;
312     // unsigned long long nr_free_cma = 0ULL;
313     // unsigned long long nr_free_pages = 0ULL;
314     // unsigned long long nr_inactive_anon = 0ULL;
315     // unsigned long long nr_inactive_file = 0ULL;
316     // unsigned long long nr_isolated_anon = 0ULL;
317     // unsigned long long nr_isolated_file = 0ULL;
318     // unsigned long long nr_kernel_stack = 0ULL;
319     // unsigned long long nr_mapped = 0ULL;
320     // unsigned long long nr_mlock = 0ULL;
321     // unsigned long long nr_pages_scanned = 0ULL;
322     // unsigned long long nr_page_table_pages = 0ULL;
323     // unsigned long long nr_shmem = 0ULL;
324     // unsigned long long nr_shmem_hugepages = 0ULL;
325     // unsigned long long nr_shmem_pmdmapped = 0ULL;
326     // unsigned long long nr_slab_reclaimable = 0ULL;
327     // unsigned long long nr_slab_unreclaimable = 0ULL;
328     // unsigned long long nr_unevictable = 0ULL;
329     // unsigned long long nr_unstable = 0ULL;
330     // unsigned long long nr_vmscan_immediate_reclaim = 0ULL;
331     // unsigned long long nr_vmscan_write = 0ULL;
332     // unsigned long long nr_writeback = 0ULL;
333     // unsigned long long nr_writeback_temp = 0ULL;
334     // unsigned long long nr_written = 0ULL;
335     // unsigned long long nr_zone_active_anon = 0ULL;
336     // unsigned long long nr_zone_active_file = 0ULL;
337     // unsigned long long nr_zone_inactive_anon = 0ULL;
338     // unsigned long long nr_zone_inactive_file = 0ULL;
339     // unsigned long long nr_zone_unevictable = 0ULL;
340     // unsigned long long nr_zone_write_pending = 0ULL;
341     // unsigned long long nr_zspages = 0ULL;
342     unsigned long long numa_foreign = 0ULL;
343     unsigned long long numa_hint_faults = 0ULL;
344     unsigned long long numa_hint_faults_local = 0ULL;
345     //unsigned long long numa_hit = 0ULL;
346     unsigned long long numa_huge_pte_updates = 0ULL;
347     unsigned long long numa_interleave = 0ULL;
348     unsigned long long numa_local = 0ULL;
349     //unsigned long long numa_miss = 0ULL;
350     unsigned long long numa_other = 0ULL;
351     unsigned long long numa_pages_migrated = 0ULL;
352     unsigned long long numa_pte_updates = 0ULL;
353     // unsigned long long pageoutrun = 0ULL;
354     // unsigned long long pgactivate = 0ULL;
355     // unsigned long long pgalloc_dma = 0ULL;
356     // unsigned long long pgalloc_dma32 = 0ULL;
357     // unsigned long long pgalloc_movable = 0ULL;
358     // unsigned long long pgalloc_normal = 0ULL;
359     // unsigned long long pgdeactivate = 0ULL;
360     unsigned long long pgfault = 0ULL;
361     // unsigned long long pgfree = 0ULL;
362     // unsigned long long pginodesteal = 0ULL;
363     // unsigned long long pglazyfreed = 0ULL;
364     unsigned long long pgmajfault = 0ULL;
365     // unsigned long long pgmigrate_fail = 0ULL;
366     // unsigned long long pgmigrate_success = 0ULL;
367     unsigned long long pgpgin = 0ULL;
368     unsigned long long pgpgout = 0ULL;
369     // unsigned long long pgrefill = 0ULL;
370     // unsigned long long pgrotated = 0ULL;
371     // unsigned long long pgscan_direct = 0ULL;
372     // unsigned long long pgscan_direct_throttle = 0ULL;
373     // unsigned long long pgscan_kswapd = 0ULL;
374     // unsigned long long pgskip_dma = 0ULL;
375     // unsigned long long pgskip_dma32 = 0ULL;
376     // unsigned long long pgskip_movable = 0ULL;
377     // unsigned long long pgskip_normal = 0ULL;
378     // unsigned long long pgsteal_direct = 0ULL;
379     // unsigned long long pgsteal_kswapd = 0ULL;
380     unsigned long long pswpin = 0ULL;
381     unsigned long long pswpout = 0ULL;
382     // unsigned long long slabs_scanned = 0ULL;
383     // unsigned long long thp_collapse_alloc = 0ULL;
384     // unsigned long long thp_collapse_alloc_failed = 0ULL;
385     // unsigned long long thp_deferred_split_page = 0ULL;
386     // unsigned long long thp_fault_alloc = 0ULL;
387     // unsigned long long thp_fault_fallback = 0ULL;
388     // unsigned long long thp_file_alloc = 0ULL;
389     // unsigned long long thp_file_mapped = 0ULL;
390     // unsigned long long thp_split_page = 0ULL;
391     // unsigned long long thp_split_page_failed = 0ULL;
392     // unsigned long long thp_split_pmd = 0ULL;
393     // unsigned long long thp_zero_page_alloc = 0ULL;
394     // unsigned long long thp_zero_page_alloc_failed = 0ULL;
395     // unsigned long long unevictable_pgs_cleared = 0ULL;
396     // unsigned long long unevictable_pgs_culled = 0ULL;
397     // unsigned long long unevictable_pgs_mlocked = 0ULL;
398     // unsigned long long unevictable_pgs_munlocked = 0ULL;
399     // unsigned long long unevictable_pgs_rescued = 0ULL;
400     // unsigned long long unevictable_pgs_scanned = 0ULL;
401     // unsigned long long unevictable_pgs_stranded = 0ULL;
402     // unsigned long long workingset_activate = 0ULL;
403     // unsigned long long workingset_nodereclaim = 0ULL;
404     // unsigned long long workingset_refault = 0ULL;
405     // unsigned long long zone_reclaim_failed = 0ULL;
406
407     unsigned long long *ptr = NULL;
408
409     for(l = 0; l < lines ;l++) {
410         uint32_t words = procfile_linewords(ff, l);
411         if(unlikely(words < 2)) {
412             if(unlikely(words)) error("Cannot read /proc/vmstat line %u. Expected 2 params, read %u.", l, words);
413             continue;
414         }
415
416         char *name = procfile_lineword(ff, l, 0);
417         char * value = procfile_lineword(ff, l, 1);
418         if(unlikely(!name || !*name || !value || !*value)) continue;
419
420         uint32_t hash = simple_hash(name);
421
422         if(unlikely(0)) ;
423         // else if(unlikely(hash == hash_allocstall_dma32 && strcmp(name, "allocstall_dma32") == 0)) ptr = &allocstall_dma32;
424         // else if(unlikely(hash == hash_allocstall_dma && strcmp(name, "allocstall_dma") == 0)) ptr = &allocstall_dma;
425         // else if(unlikely(hash == hash_allocstall_movable && strcmp(name, "allocstall_movable") == 0)) ptr = &allocstall_movable;
426         // else if(unlikely(hash == hash_allocstall_normal && strcmp(name, "allocstall_normal") == 0)) ptr = &allocstall_normal;
427         // else if(unlikely(hash == hash_balloon_deflate && strcmp(name, "balloon_deflate") == 0)) ptr = &balloon_deflate;
428         // else if(unlikely(hash == hash_balloon_inflate && strcmp(name, "balloon_inflate") == 0)) ptr = &balloon_inflate;
429         // else if(unlikely(hash == hash_balloon_migrate && strcmp(name, "balloon_migrate") == 0)) ptr = &balloon_migrate;
430         // else if(unlikely(hash == hash_compact_daemon_wake && strcmp(name, "compact_daemon_wake") == 0)) ptr = &compact_daemon_wake;
431         // else if(unlikely(hash == hash_compact_fail && strcmp(name, "compact_fail") == 0)) ptr = &compact_fail;
432         // else if(unlikely(hash == hash_compact_free_scanned && strcmp(name, "compact_free_scanned") == 0)) ptr = &compact_free_scanned;
433         // else if(unlikely(hash == hash_compact_isolated && strcmp(name, "compact_isolated") == 0)) ptr = &compact_isolated;
434         // else if(unlikely(hash == hash_compact_migrate_scanned && strcmp(name, "compact_migrate_scanned") == 0)) ptr = &compact_migrate_scanned;
435         // else if(unlikely(hash == hash_compact_stall && strcmp(name, "compact_stall") == 0)) ptr = &compact_stall;
436         // else if(unlikely(hash == hash_compact_success && strcmp(name, "compact_success") == 0)) ptr = &compact_success;
437         // else if(unlikely(hash == hash_drop_pagecache && strcmp(name, "drop_pagecache") == 0)) ptr = &drop_pagecache;
438         // else if(unlikely(hash == hash_drop_slab && strcmp(name, "drop_slab") == 0)) ptr = &drop_slab;
439         // else if(unlikely(hash == hash_htlb_buddy_alloc_fail && strcmp(name, "htlb_buddy_alloc_fail") == 0)) ptr = &htlb_buddy_alloc_fail;
440         // else if(unlikely(hash == hash_htlb_buddy_alloc_success && strcmp(name, "htlb_buddy_alloc_success") == 0)) ptr = &htlb_buddy_alloc_success;
441         // else if(unlikely(hash == hash_kswapd_high_wmark_hit_quickly && strcmp(name, "kswapd_high_wmark_hit_quickly") == 0)) ptr = &kswapd_high_wmark_hit_quickly;
442         // else if(unlikely(hash == hash_kswapd_inodesteal && strcmp(name, "kswapd_inodesteal") == 0)) ptr = &kswapd_inodesteal;
443         // else if(unlikely(hash == hash_kswapd_low_wmark_hit_quickly && strcmp(name, "kswapd_low_wmark_hit_quickly") == 0)) ptr = &kswapd_low_wmark_hit_quickly;
444         // else if(unlikely(hash == hash_nr_active_anon && strcmp(name, "nr_active_anon") == 0)) ptr = &nr_active_anon;
445         // else if(unlikely(hash == hash_nr_active_file && strcmp(name, "nr_active_file") == 0)) ptr = &nr_active_file;
446         // else if(unlikely(hash == hash_nr_anon_pages && strcmp(name, "nr_anon_pages") == 0)) ptr = &nr_anon_pages;
447         // else if(unlikely(hash == hash_nr_anon_transparent_hugepages && strcmp(name, "nr_anon_transparent_hugepages") == 0)) ptr = &nr_anon_transparent_hugepages;
448         // else if(unlikely(hash == hash_nr_bounce && strcmp(name, "nr_bounce") == 0)) ptr = &nr_bounce;
449         // else if(unlikely(hash == hash_nr_dirtied && strcmp(name, "nr_dirtied") == 0)) ptr = &nr_dirtied;
450         // else if(unlikely(hash == hash_nr_dirty_background_threshold && strcmp(name, "nr_dirty_background_threshold") == 0)) ptr = &nr_dirty_background_threshold;
451         // else if(unlikely(hash == hash_nr_dirty && strcmp(name, "nr_dirty") == 0)) ptr = &nr_dirty;
452         // else if(unlikely(hash == hash_nr_dirty_threshold && strcmp(name, "nr_dirty_threshold") == 0)) ptr = &nr_dirty_threshold;
453         // else if(unlikely(hash == hash_nr_file_pages && strcmp(name, "nr_file_pages") == 0)) ptr = &nr_file_pages;
454         // else if(unlikely(hash == hash_nr_free_cma && strcmp(name, "nr_free_cma") == 0)) ptr = &nr_free_cma;
455         // else if(unlikely(hash == hash_nr_free_pages && strcmp(name, "nr_free_pages") == 0)) ptr = &nr_free_pages;
456         // else if(unlikely(hash == hash_nr_inactive_anon && strcmp(name, "nr_inactive_anon") == 0)) ptr = &nr_inactive_anon;
457         // else if(unlikely(hash == hash_nr_inactive_file && strcmp(name, "nr_inactive_file") == 0)) ptr = &nr_inactive_file;
458         // else if(unlikely(hash == hash_nr_isolated_anon && strcmp(name, "nr_isolated_anon") == 0)) ptr = &nr_isolated_anon;
459         // else if(unlikely(hash == hash_nr_isolated_file && strcmp(name, "nr_isolated_file") == 0)) ptr = &nr_isolated_file;
460         // else if(unlikely(hash == hash_nr_kernel_stack && strcmp(name, "nr_kernel_stack") == 0)) ptr = &nr_kernel_stack;
461         // else if(unlikely(hash == hash_nr_mapped && strcmp(name, "nr_mapped") == 0)) ptr = &nr_mapped;
462         // else if(unlikely(hash == hash_nr_mlock && strcmp(name, "nr_mlock") == 0)) ptr = &nr_mlock;
463         // else if(unlikely(hash == hash_nr_pages_scanned && strcmp(name, "nr_pages_scanned") == 0)) ptr = &nr_pages_scanned;
464         // else if(unlikely(hash == hash_nr_page_table_pages && strcmp(name, "nr_page_table_pages") == 0)) ptr = &nr_page_table_pages;
465         // else if(unlikely(hash == hash_nr_shmem_hugepages && strcmp(name, "nr_shmem_hugepages") == 0)) ptr = &nr_shmem_hugepages;
466         // else if(unlikely(hash == hash_nr_shmem_pmdmapped && strcmp(name, "nr_shmem_pmdmapped") == 0)) ptr = &nr_shmem_pmdmapped;
467         // else if(unlikely(hash == hash_nr_shmem && strcmp(name, "nr_shmem") == 0)) ptr = &nr_shmem;
468         // else if(unlikely(hash == hash_nr_slab_reclaimable && strcmp(name, "nr_slab_reclaimable") == 0)) ptr = &nr_slab_reclaimable;
469         // else if(unlikely(hash == hash_nr_slab_unreclaimable && strcmp(name, "nr_slab_unreclaimable") == 0)) ptr = &nr_slab_unreclaimable;
470         // else if(unlikely(hash == hash_nr_unevictable && strcmp(name, "nr_unevictable") == 0)) ptr = &nr_unevictable;
471         // else if(unlikely(hash == hash_nr_unstable && strcmp(name, "nr_unstable") == 0)) ptr = &nr_unstable;
472         // else if(unlikely(hash == hash_nr_vmscan_immediate_reclaim && strcmp(name, "nr_vmscan_immediate_reclaim") == 0)) ptr = &nr_vmscan_immediate_reclaim;
473         // else if(unlikely(hash == hash_nr_vmscan_write && strcmp(name, "nr_vmscan_write") == 0)) ptr = &nr_vmscan_write;
474         // else if(unlikely(hash == hash_nr_writeback && strcmp(name, "nr_writeback") == 0)) ptr = &nr_writeback;
475         // else if(unlikely(hash == hash_nr_writeback_temp && strcmp(name, "nr_writeback_temp") == 0)) ptr = &nr_writeback_temp;
476         // else if(unlikely(hash == hash_nr_written && strcmp(name, "nr_written") == 0)) ptr = &nr_written;
477         // else if(unlikely(hash == hash_nr_zone_active_anon && strcmp(name, "nr_zone_active_anon") == 0)) ptr = &nr_zone_active_anon;
478         // else if(unlikely(hash == hash_nr_zone_active_file && strcmp(name, "nr_zone_active_file") == 0)) ptr = &nr_zone_active_file;
479         // else if(unlikely(hash == hash_nr_zone_inactive_anon && strcmp(name, "nr_zone_inactive_anon") == 0)) ptr = &nr_zone_inactive_anon;
480         // else if(unlikely(hash == hash_nr_zone_inactive_file && strcmp(name, "nr_zone_inactive_file") == 0)) ptr = &nr_zone_inactive_file;
481         // else if(unlikely(hash == hash_nr_zone_unevictable && strcmp(name, "nr_zone_unevictable") == 0)) ptr = &nr_zone_unevictable;
482         // else if(unlikely(hash == hash_nr_zone_write_pending && strcmp(name, "nr_zone_write_pending") == 0)) ptr = &nr_zone_write_pending;
483         // else if(unlikely(hash == hash_nr_zspages && strcmp(name, "nr_zspages") == 0)) ptr = &nr_zspages;
484         else if(unlikely(hash == hash_numa_foreign && strcmp(name, "numa_foreign") == 0)) ptr = &numa_foreign;
485         else if(unlikely(hash == hash_numa_hint_faults_local && strcmp(name, "numa_hint_faults_local") == 0)) ptr = &numa_hint_faults_local;
486         else if(unlikely(hash == hash_numa_hint_faults && strcmp(name, "numa_hint_faults") == 0)) ptr = &numa_hint_faults;
487         //else if(unlikely(hash == hash_numa_hit && strcmp(name, "numa_hit") == 0)) ptr = &numa_hit;
488         else if(unlikely(hash == hash_numa_huge_pte_updates && strcmp(name, "numa_huge_pte_updates") == 0)) ptr = &numa_huge_pte_updates;
489         else if(unlikely(hash == hash_numa_interleave && strcmp(name, "numa_interleave") == 0)) ptr = &numa_interleave;
490         else if(unlikely(hash == hash_numa_local && strcmp(name, "numa_local") == 0)) ptr = &numa_local;
491         //else if(unlikely(hash == hash_numa_miss && strcmp(name, "numa_miss") == 0)) ptr = &numa_miss;
492         else if(unlikely(hash == hash_numa_other && strcmp(name, "numa_other") == 0)) ptr = &numa_other;
493         else if(unlikely(hash == hash_numa_pages_migrated && strcmp(name, "numa_pages_migrated") == 0)) ptr = &numa_pages_migrated;
494         else if(unlikely(hash == hash_numa_pte_updates && strcmp(name, "numa_pte_updates") == 0)) ptr = &numa_pte_updates;
495         // else if(unlikely(hash == hash_pageoutrun && strcmp(name, "pageoutrun") == 0)) ptr = &pageoutrun;
496         // else if(unlikely(hash == hash_pgactivate && strcmp(name, "pgactivate") == 0)) ptr = &pgactivate;
497         // else if(unlikely(hash == hash_pgalloc_dma32 && strcmp(name, "pgalloc_dma32") == 0)) ptr = &pgalloc_dma32;
498         // else if(unlikely(hash == hash_pgalloc_dma && strcmp(name, "pgalloc_dma") == 0)) ptr = &pgalloc_dma;
499         // else if(unlikely(hash == hash_pgalloc_movable && strcmp(name, "pgalloc_movable") == 0)) ptr = &pgalloc_movable;
500         // else if(unlikely(hash == hash_pgalloc_normal && strcmp(name, "pgalloc_normal") == 0)) ptr = &pgalloc_normal;
501         // else if(unlikely(hash == hash_pgdeactivate && strcmp(name, "pgdeactivate") == 0)) ptr = &pgdeactivate;
502         else if(unlikely(hash == hash_pgfault && strcmp(name, "pgfault") == 0)) ptr = &pgfault;
503         // else if(unlikely(hash == hash_pgfree && strcmp(name, "pgfree") == 0)) ptr = &pgfree;
504         // else if(unlikely(hash == hash_pginodesteal && strcmp(name, "pginodesteal") == 0)) ptr = &pginodesteal;
505         // else if(unlikely(hash == hash_pglazyfreed && strcmp(name, "pglazyfreed") == 0)) ptr = &pglazyfreed;
506         else if(unlikely(hash == hash_pgmajfault && strcmp(name, "pgmajfault") == 0)) ptr = &pgmajfault;
507         // else if(unlikely(hash == hash_pgmigrate_fail && strcmp(name, "pgmigrate_fail") == 0)) ptr = &pgmigrate_fail;
508         // else if(unlikely(hash == hash_pgmigrate_success && strcmp(name, "pgmigrate_success") == 0)) ptr = &pgmigrate_success;
509         else if(unlikely(hash == hash_pgpgin && strcmp(name, "pgpgin") == 0)) ptr = &pgpgin;
510         else if(unlikely(hash == hash_pgpgout && strcmp(name, "pgpgout") == 0)) ptr = &pgpgout;
511         // else if(unlikely(hash == hash_pgrefill && strcmp(name, "pgrefill") == 0)) ptr = &pgrefill;
512         // else if(unlikely(hash == hash_pgrotated && strcmp(name, "pgrotated") == 0)) ptr = &pgrotated;
513         // else if(unlikely(hash == hash_pgscan_direct && strcmp(name, "pgscan_direct") == 0)) ptr = &pgscan_direct;
514         // else if(unlikely(hash == hash_pgscan_direct_throttle && strcmp(name, "pgscan_direct_throttle") == 0)) ptr = &pgscan_direct_throttle;
515         // else if(unlikely(hash == hash_pgscan_kswapd && strcmp(name, "pgscan_kswapd") == 0)) ptr = &pgscan_kswapd;
516         // else if(unlikely(hash == hash_pgskip_dma32 && strcmp(name, "pgskip_dma32") == 0)) ptr = &pgskip_dma32;
517         // else if(unlikely(hash == hash_pgskip_dma && strcmp(name, "pgskip_dma") == 0)) ptr = &pgskip_dma;
518         // else if(unlikely(hash == hash_pgskip_movable && strcmp(name, "pgskip_movable") == 0)) ptr = &pgskip_movable;
519         // else if(unlikely(hash == hash_pgskip_normal && strcmp(name, "pgskip_normal") == 0)) ptr = &pgskip_normal;
520         // else if(unlikely(hash == hash_pgsteal_direct && strcmp(name, "pgsteal_direct") == 0)) ptr = &pgsteal_direct;
521         // else if(unlikely(hash == hash_pgsteal_kswapd && strcmp(name, "pgsteal_kswapd") == 0)) ptr = &pgsteal_kswapd;
522         else if(unlikely(hash == hash_pswpin && strcmp(name, "pswpin") == 0)) ptr = &pswpin;
523         else if(unlikely(hash == hash_pswpout && strcmp(name, "pswpout") == 0)) ptr = &pswpout;
524         // else if(unlikely(hash == hash_slabs_scanned && strcmp(name, "slabs_scanned") == 0)) ptr = &slabs_scanned;
525         // else if(unlikely(hash == hash_thp_collapse_alloc_failed && strcmp(name, "thp_collapse_alloc_failed") == 0)) ptr = &thp_collapse_alloc_failed;
526         // else if(unlikely(hash == hash_thp_collapse_alloc && strcmp(name, "thp_collapse_alloc") == 0)) ptr = &thp_collapse_alloc;
527         // else if(unlikely(hash == hash_thp_deferred_split_page && strcmp(name, "thp_deferred_split_page") == 0)) ptr = &thp_deferred_split_page;
528         // else if(unlikely(hash == hash_thp_fault_alloc && strcmp(name, "thp_fault_alloc") == 0)) ptr = &thp_fault_alloc;
529         // else if(unlikely(hash == hash_thp_fault_fallback && strcmp(name, "thp_fault_fallback") == 0)) ptr = &thp_fault_fallback;
530         // else if(unlikely(hash == hash_thp_file_alloc && strcmp(name, "thp_file_alloc") == 0)) ptr = &thp_file_alloc;
531         // else if(unlikely(hash == hash_thp_file_mapped && strcmp(name, "thp_file_mapped") == 0)) ptr = &thp_file_mapped;
532         // else if(unlikely(hash == hash_thp_split_page_failed && strcmp(name, "thp_split_page_failed") == 0)) ptr = &thp_split_page_failed;
533         // else if(unlikely(hash == hash_thp_split_page && strcmp(name, "thp_split_page") == 0)) ptr = &thp_split_page;
534         // else if(unlikely(hash == hash_thp_split_pmd && strcmp(name, "thp_split_pmd") == 0)) ptr = &thp_split_pmd;
535         // else if(unlikely(hash == hash_thp_zero_page_alloc_failed && strcmp(name, "thp_zero_page_alloc_failed") == 0)) ptr = &thp_zero_page_alloc_failed;
536         // else if(unlikely(hash == hash_thp_zero_page_alloc && strcmp(name, "thp_zero_page_alloc") == 0)) ptr = &thp_zero_page_alloc;
537         // else if(unlikely(hash == hash_unevictable_pgs_cleared && strcmp(name, "unevictable_pgs_cleared") == 0)) ptr = &unevictable_pgs_cleared;
538         // else if(unlikely(hash == hash_unevictable_pgs_culled && strcmp(name, "unevictable_pgs_culled") == 0)) ptr = &unevictable_pgs_culled;
539         // else if(unlikely(hash == hash_unevictable_pgs_mlocked && strcmp(name, "unevictable_pgs_mlocked") == 0)) ptr = &unevictable_pgs_mlocked;
540         // else if(unlikely(hash == hash_unevictable_pgs_munlocked && strcmp(name, "unevictable_pgs_munlocked") == 0)) ptr = &unevictable_pgs_munlocked;
541         // else if(unlikely(hash == hash_unevictable_pgs_rescued && strcmp(name, "unevictable_pgs_rescued") == 0)) ptr = &unevictable_pgs_rescued;
542         // else if(unlikely(hash == hash_unevictable_pgs_scanned && strcmp(name, "unevictable_pgs_scanned") == 0)) ptr = &unevictable_pgs_scanned;
543         // else if(unlikely(hash == hash_unevictable_pgs_stranded && strcmp(name, "unevictable_pgs_stranded") == 0)) ptr = &unevictable_pgs_stranded;
544         // else if(unlikely(hash == hash_workingset_activate && strcmp(name, "workingset_activate") == 0)) ptr = &workingset_activate;
545         // else if(unlikely(hash == hash_workingset_nodereclaim && strcmp(name, "workingset_nodereclaim") == 0)) ptr = &workingset_nodereclaim;
546         // else if(unlikely(hash == hash_workingset_refault && strcmp(name, "workingset_refault") == 0)) ptr = &workingset_refault;
547         // else if(unlikely(hash == hash_zone_reclaim_failed && strcmp(name, "zone_reclaim_failed") == 0)) ptr = &zone_reclaim_failed;
548
549         if(unlikely(ptr)) {
550             *ptr = str2ull(value);
551             ptr = NULL;
552         }
553     }
554
555     // --------------------------------------------------------------------
556
557     if(pswpin || pswpout || do_swapio == CONFIG_ONDEMAND_YES) {
558         do_swapio = CONFIG_ONDEMAND_YES;
559
560         static RRDSET *st_swapio = NULL;
561         if(unlikely(!st_swapio)) {
562             st_swapio = rrdset_create("system", "swapio", NULL, "swap", NULL, "Swap I/O", "kilobytes/s", 250, update_every, RRDSET_TYPE_AREA);
563
564             rrddim_add(st_swapio, "in",  NULL, sysconf(_SC_PAGESIZE), 1024, RRDDIM_INCREMENTAL);
565             rrddim_add(st_swapio, "out", NULL, -sysconf(_SC_PAGESIZE), 1024, RRDDIM_INCREMENTAL);
566         }
567         else rrdset_next(st_swapio);
568
569         rrddim_set(st_swapio, "in", pswpin);
570         rrddim_set(st_swapio, "out", pswpout);
571         rrdset_done(st_swapio);
572     }
573
574     // --------------------------------------------------------------------
575
576     if(do_io) {
577         static RRDSET *st_io = NULL;
578         if(unlikely(!st_io)) {
579             st_io = rrdset_create("system", "io", NULL, "disk", NULL, "Disk I/O", "kilobytes/s", 150, update_every, RRDSET_TYPE_AREA);
580
581             rrddim_add(st_io, "in",  NULL,  1, 1, RRDDIM_INCREMENTAL);
582             rrddim_add(st_io, "out", NULL, -1, 1, RRDDIM_INCREMENTAL);
583         }
584         else rrdset_next(st_io);
585
586         rrddim_set(st_io, "in", pgpgin);
587         rrddim_set(st_io, "out", pgpgout);
588         rrdset_done(st_io);
589     }
590
591     // --------------------------------------------------------------------
592
593     if(do_pgfaults) {
594         static RRDSET *st_pgfaults = NULL;
595         if(unlikely(!st_pgfaults)) {
596             st_pgfaults = rrdset_create("mem", "pgfaults", NULL, "system", NULL, "Memory Page Faults", "page faults/s", 500, update_every, RRDSET_TYPE_LINE);
597             st_pgfaults->isdetail = 1;
598
599             rrddim_add(st_pgfaults, "minor",  NULL,  1, 1, RRDDIM_INCREMENTAL);
600             rrddim_add(st_pgfaults, "major", NULL, -1, 1, RRDDIM_INCREMENTAL);
601         }
602         else rrdset_next(st_pgfaults);
603
604         rrddim_set(st_pgfaults, "minor", pgfault);
605         rrddim_set(st_pgfaults, "major", pgmajfault);
606         rrdset_done(st_pgfaults);
607     }
608
609     // --------------------------------------------------------------------
610
611     // Ondemand criteria for NUMA. Since this won't change at run time, we
612     // check it only once. We check whether the node count is >= 2 because
613     // single-node systems have uninteresting statistics (since all accesses
614     // are local).
615     if(unlikely(has_numa == -1)) {
616         has_numa = (get_numa_node_count() >= 2 &&
617                     (numa_local || numa_foreign || numa_interleave || numa_other || numa_pte_updates ||
618                      numa_huge_pte_updates || numa_hint_faults || numa_hint_faults_local || numa_pages_migrated)) ? 1 : 0;
619     }
620
621     if(do_numa == CONFIG_ONDEMAND_YES || (do_numa == CONFIG_ONDEMAND_ONDEMAND && has_numa)) {
622         static RRDSET *st_numa = NULL;
623         if(unlikely(!st_numa)) {
624             st_numa = rrdset_create("mem", "numa", NULL, "numa", NULL, "NUMA events", "events/s", 800, update_every, RRDSET_TYPE_LINE);
625             st_numa->isdetail = 1;
626
627             // These depend on CONFIG_NUMA in the kernel.
628             rrddim_add(st_numa, "local", NULL, 1, 1, RRDDIM_INCREMENTAL);
629             rrddim_add(st_numa, "foreign", NULL, 1, 1, RRDDIM_INCREMENTAL);
630             rrddim_add(st_numa, "interleave", NULL, 1, 1, RRDDIM_INCREMENTAL);
631             rrddim_add(st_numa, "other", NULL, 1, 1, RRDDIM_INCREMENTAL);
632
633             // The following stats depend on CONFIG_NUMA_BALANCING in the
634             // kernel.
635             rrddim_add(st_numa, "pte updates", NULL, 1, 1, RRDDIM_INCREMENTAL);
636             rrddim_add(st_numa, "huge pte updates", NULL, 1, 1, RRDDIM_INCREMENTAL);
637             rrddim_add(st_numa, "hint faults", NULL, 1, 1, RRDDIM_INCREMENTAL);
638             rrddim_add(st_numa, "hint faults local", NULL, 1, 1, RRDDIM_INCREMENTAL);
639             rrddim_add(st_numa, "pages migrated", NULL, 1, 1, RRDDIM_INCREMENTAL);
640         }
641         else rrdset_next(st_numa);
642
643         rrddim_set(st_numa, "local", numa_local);
644         rrddim_set(st_numa, "foreign", numa_foreign);
645         rrddim_set(st_numa, "interleave", numa_interleave);
646         rrddim_set(st_numa, "other", numa_other);
647
648         rrddim_set(st_numa, "pte updates", numa_pte_updates);
649         rrddim_set(st_numa, "huge pte updates", numa_huge_pte_updates);
650         rrddim_set(st_numa, "hint faults", numa_hint_faults);
651         rrddim_set(st_numa, "hint faults local", numa_hint_faults_local);
652         rrddim_set(st_numa, "pages migrated", numa_pages_migrated);
653
654         rrdset_done(st_numa);
655     }
656
657     return 0;
658 }
659