From: Konstantin Khorenko <khore...@virtuozzo.com>
It will be shown later in /proc/vestat file.
Signed-off-by: Konstantin Khorenko <khore...@virtuozzo.com>
Reviewed-by: Andrey Ryabinin <aryabi...@virtuozzo.com>
(cherry-picked from vz8 commit 998b123f3c3d ("ve/proc/stat: Introduce
CPUTIME_USED field in cpustat statistic"))
Signed-off-by: Nikita Yushchenko <nikita.yushche...@virtuozzo.com>
---
include/linux/kernel_stat.h | 1 +
kernel/sched/cpuacct.c | 6 +++++-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index fb6149076cc5..94f59687e530 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -25,6 +25,7 @@ enum cpu_usage_stat {
CPUTIME_IRQ,
CPUTIME_IDLE,
CPUTIME_IOWAIT,
+ CPUTIME_USED,
CPUTIME_STEAL,
CPUTIME_GUEST,
CPUTIME_GUEST_NICE,
diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c
index 29105ef2f402..9e7da99bb9d3 100644
--- a/kernel/sched/cpuacct.c
+++ b/kernel/sched/cpuacct.c
@@ -430,7 +430,7 @@ static void cpu_cgroup_update_stat(struct
cgroup_subsys_state *cpu_css,
struct sched_entity *se = tg->se[i];
u64 *cpustat = cpuacct_cpustat(cpuacct_css, i)->cpustat;
u64 now = cpu_clock(i);
- u64 delta, idle, iowait, steal;
+ u64 delta, idle, iowait, steal, used;
/* root_task_group has not sched entities */
if (tg == &root_task_group)
@@ -439,6 +439,7 @@ static void cpu_cgroup_update_stat(struct
cgroup_subsys_state *cpu_css,
iowait = se->statistics.iowait_sum;
idle = se->statistics.sum_sleep_runtime;
steal = se->statistics.wait_sum;
+ used = se->sum_exec_runtime;
if (idle > iowait)
idle -= iowait;
@@ -462,6 +463,7 @@ static void cpu_cgroup_update_stat(struct
cgroup_subsys_state *cpu_css,
cpustat[CPUTIME_IDLE] = max(cpustat[CPUTIME_IDLE], idle);
cpustat[CPUTIME_IOWAIT] = max(cpustat[CPUTIME_IOWAIT], iowait);
cpustat[CPUTIME_STEAL] = steal;
+ cpustat[CPUTIME_USED] = used;
#endif
}
@@ -540,6 +542,8 @@ static void fixup_vcpustat_delta(struct kernel_cpustat *cur,
cur_idle, target_idle);
}
+ cur->cpustat[CPUTIME_USED] = target_usage;
+
/* do not show steal time inside ve */
cur->cpustat[CPUTIME_STEAL] = 0;
}
--
2.30.2
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