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OpenCloudOS-Kernel
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psi: only show SOME PSI for non-IRQ in cgroup v1 

Upstream: no, unless upstream decide to support cgroup v1 PSI

* This is part of EMM *

Since FULL PSI is not usable here, don't display it.

Signed-off-by: Kairui Song <kasong@tencent.com>
This commit is contained in:
Kairui Song 2023-08-17 16:59:20 +08:00
parent 5ad399e959
commit 92c6115fc4
1 changed files with 3 additions and 1 deletions
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4
kernel/sched/psi.c
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@ -1337,6 +1337,7 @@ void psi_cgroup_restart(struct psi_group *group)
int psi_show(struct seq_file *m, struct psi_group *group, enum psi_res res)
{
bool only_full = false;
bool only_some;
int full;
u64 now;
@ -1354,8 +1355,9 @@ int psi_show(struct seq_file *m, struct psi_group *group, enum psi_res res)
#ifdef CONFIG_IRQ_TIME_ACCOUNTING
only_full = res == PSI_IRQ;
#endif
only_some = psi_use_legacy() && !only_full;
for (full = 0; full < 2 - only_full; full++) {
for (full = 0; full < 2 - (only_full || only_some); full++) {
unsigned long avg[3] = { 0, };
u64 total = 0;
int w;