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| author |   Changwoo Min <changwoo@igalia.com> | 2025-02-04 14:20:52 +0900 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2025-02-04 10:36:47 -1000 |
| commit | 4f7a38c7c917436bb40f10c251a1a973e2f1ada8 (patch) | |
| tree | 2d8166839340ae14cfd68a6020e6b7435a9bf2a7 | |
| parent | sched_ext: Add an event, SCX_EV_ENQ_SKIP_EXITING (diff) | |
| download | wireguard-linux-4f7a38c7c917436bb40f10c251a1a973e2f1ada8.tar.xz wireguard-linux-4f7a38c7c917436bb40f10c251a1a973e2f1ada8.zip | |
sched_ext: Add an event, SCX_EV_BYPASS_ACTIVATE
Add a core event, SCX_EV_BYPASS_ACTIVATE, which represents how many
times the bypass mode has been triggered.
Signed-off-by: Changwoo Min <changwoo@igalia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | kernel/sched/ext.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index c72ba405a1d3..377c2e99cf4f 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -1467,6 +1467,11 @@ struct scx_event_stats { * is dispatched to a local DSQ when exiting. */ u64 SCX_EV_ENQ_SKIP_EXITING; + + /* + * The number of times the bypassing mode has been activated. + */ + u64 SCX_EV_BYPASS_ACTIVATE; }; /* @@ -4399,6 +4404,7 @@ static void scx_ops_bypass(bool bypass) WARN_ON_ONCE(scx_ops_bypass_depth <= 0); if (scx_ops_bypass_depth != 1) goto unlock; + scx_add_event(SCX_EV_BYPASS_ACTIVATE, 1); } else { scx_ops_bypass_depth--; WARN_ON_ONCE(scx_ops_bypass_depth < 0); @@ -4994,6 +5000,7 @@ static void scx_dump_state(struct scx_exit_info *ei, size_t dump_len) scx_dump_event(s, &events, SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE); scx_dump_event(s, &events, SCX_EV_DISPATCH_KEEP_LAST); scx_dump_event(s, &events, SCX_EV_ENQ_SKIP_EXITING); + scx_dump_event(s, &events, SCX_EV_BYPASS_ACTIVATE); if (seq_buf_has_overflowed(&s) && dump_len >= sizeof(trunc_marker)) memcpy(ei->dump + dump_len - sizeof(trunc_marker), @@ -7131,6 +7138,7 @@ __bpf_kfunc void scx_bpf_events(struct scx_event_stats *events, scx_agg_event(&e_sys, e_cpu, SCX_EV_DISPATCH_LOCAL_DSQ_OFFLINE); scx_agg_event(&e_sys, e_cpu, SCX_EV_DISPATCH_KEEP_LAST); scx_agg_event(&e_sys, e_cpu, SCX_EV_ENQ_SKIP_EXITING); + scx_agg_event(&e_sys, e_cpu, SCX_EV_BYPASS_ACTIVATE); } /* |