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Adding AnonHugePages case + comments

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This commit is contained in:
David Carlier 2019-09-20 11:01:36 +01:00
parent 819a661be5
commit 5a8a005026
1 changed files with 11 additions and 2 deletions
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13
src/zmalloc.c
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@ -395,15 +395,24 @@ size_t zmalloc_get_smap_bytes_by_field(char *field, long pid) {
return bytes; return bytes;
} }
#else #else
/* Get sum of the specified field from libproc api call.
* As there are per page value basis we need to convert
* them accordingly.
*
* Note that AnonHugePages is a no-op as THP feature
* is not supported in this platform
*/
size_t zmalloc_get_smap_bytes_by_field(char *field, long pid) { size_t zmalloc_get_smap_bytes_by_field(char *field, long pid) {
#if defined(__APPLE__) #if defined(__APPLE__)
struct proc_regioninfo pri; struct proc_regioninfo pri;
if (proc_pidinfo(pid, PROC_PIDREGIONINFO, 0, &pri, PROC_PIDREGIONINFO_SIZE) == if (proc_pidinfo(pid, PROC_PIDREGIONINFO, 0, &pri, PROC_PIDREGIONINFO_SIZE) ==
PROC_PIDREGIONINFO_SIZE) { PROC_PIDREGIONINFO_SIZE) {
if (!strcmp(field, "Private_Dirty")) { if (!strcmp(field, "Private_Dirty:")) {
return (size_t)pri.pri_pages_dirtied * 4096; return (size_t)pri.pri_pages_dirtied * 4096;
} else if (!strcmp(field, "Rss")) { } else if (!strcmp(field, "Rss:")) {
return (size_t)pri.pri_pages_resident * 4096; return (size_t)pri.pri_pages_resident * 4096;
} else if (!strcmp(field, "AnonHugePages:")) {
return 0;
} }
} }
return 0; return 0;