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Add columns for process autogroup identifier and nice value

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Adds AGRP (autogroup) and ANI (autogroup nice) columns that
report the information from /proc/PID/autogroup, as well as
handlers for '{' and '}' to change the autogroup nice value.

This is guarded by /proc/sys/kernel/sched_autogroup_enabled
such that sampling and/or changing values wont be attempted
unless the kernel feature is enabled.

Fixes: #720
This commit is contained in:
Nathan Scott
2021-08-06 16:45:30 +10:00
committed by BenBE
parent aa0424ade8
commit 1bd95983b2
13 changed files with 201 additions and 10 deletions
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13
pcp/PCPProcess.h
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@ -20,11 +20,12 @@ in the source distribution for its full text.
#include "Settings.h"
#define PROCESS_FLAG_LINUX_CGROUP 0x0800
#define PROCESS_FLAG_LINUX_OOM 0x1000
#define PROCESS_FLAG_LINUX_SMAPS 0x2000
#define PROCESS_FLAG_LINUX_CTXT 0x4000
#define PROCESS_FLAG_LINUX_SECATTR 0x8000
#define PROCESS_FLAG_LINUX_CGROUP 0x00000800
#define PROCESS_FLAG_LINUX_OOM 0x00001000
#define PROCESS_FLAG_LINUX_SMAPS 0x00002000
#define PROCESS_FLAG_LINUX_CTXT 0x00004000
#define PROCESS_FLAG_LINUX_SECATTR 0x00008000
#define PROCESS_FLAG_LINUX_AUTOGROUP 0x00080000
typedef struct PCPProcess_ {
Process super;
@ -70,6 +71,8 @@ typedef struct PCPProcess_ {
double io_rate_read_bps;
double io_rate_write_bps;
char* cgroup;
long int autogroup_id;
int autogroup_nice;
unsigned int oom;
unsigned long long int delay_read_time;
unsigned long long cpu_delay_total;