[Devel] [PATCH RH8 02/10] vzstat: account cpu total time properly in mm performance stats

[Andrey Zhadchenko]

From: Konstantin Khorenko <khorenko at virtuozzo.com>

/proc/vz/mmperf occasionally accounts/shows wall total time in both
"Wall_tot_time" and "CPU_tot_time" columns, fix this.

Fixes: a258c15f2c33 ("vzstat: initial patch")
https://pmc.acronis.com/browse/VSTOR-16659

Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>

(cherry-picked from 306162b35d018f97e3b175d6bb98a4d2632cf303)
Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko at virtuozzo.com>

diff --git a/kernel/ve/vzstat_core.c b/kernel/ve/vzstat_core.c
index 7f8d346..f18767d 100644
--- a/kernel/ve/vzstat_core.c
+++ b/kernel/ve/vzstat_core.c
@@ -20,7 +20,7 @@ void KSTAT_PERF_ADD(struct kstat_perf_pcpu_struct *ptr, u64 real_time, u64 cpu_t
 	cur->wall_tottime += real_time;
 	if (cur->cpu_maxdur < cpu_time)
 		cur->cpu_maxdur = cpu_time;
-	cur->cpu_tottime += real_time;
+	cur->cpu_tottime += cpu_time;
 	write_seqcount_end(&cur->lock);
 	put_cpu_ptr(cur);
 }
-- 
1.8.3.1