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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-05 20:44:39 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-05 20:44:39 +0100 |
| commit | 9d9cc4aa004edc996ce560e57b1154f658681c05 (patch) | |
| tree | 30b71e1aa3363083855edc22447c52585d04d224 /kernel | |
| parent | Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| parent | tools/headers: Synchronize kernel ABI headers (diff) | |
| download | linux-9d9cc4aa004edc996ce560e57b1154f658681c05.tar.xz linux-9d9cc4aa004edc996ce560e57b1154f658681c05.zip | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Various fixes:
- synchronize kernel and tooling headers
- cgroup support fix
- two tooling fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/headers: Synchronize kernel ABI headers
perf/cgroup: Fix perf cgroup hierarchy support
perf tools: Unwind properly location after REJECT
perf symbols: Fix memory corruption because of zero length symbols
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 9d93db81fa36..10cdb9c26b5d 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -901,9 +901,11 @@ list_update_cgroup_event(struct perf_event *event, cpuctx_entry = &cpuctx->cgrp_cpuctx_entry; /* cpuctx->cgrp is NULL unless a cgroup event is active in this CPU .*/ if (add) { + struct perf_cgroup *cgrp = perf_cgroup_from_task(current, ctx); + list_add(cpuctx_entry, this_cpu_ptr(&cgrp_cpuctx_list)); - if (perf_cgroup_from_task(current, ctx) == event->cgrp) - cpuctx->cgrp = event->cgrp; + if (cgroup_is_descendant(cgrp->css.cgroup, event->cgrp->css.cgroup)) + cpuctx->cgrp = cgrp; } else { list_del(cpuctx_entry); cpuctx->cgrp = NULL; |