From: Luo Gengkun <luogengkun@huaweicloud.com>
To: peterz@infradead.org
Cc: mingo@redhat.com, acme@kernel.org, namhyung@kernel.org,
mark.rutland@arm.com, alexander.shishkin@linux.intel.com,
jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com,
kan.liang@linux.intel.com, yeoreum.yun@arm.com,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH Fix perf cgroup problem 0/2]
Date: Wed, 14 May 2025 06:47:56 +0000 [thread overview]
Message-ID: <20250514064758.4156497-1-luogengkun@huaweicloud.com> (raw)
Fixed the issue that nr_cgroup and cpuctx->cgrp of the perf cgroup event
are not correctly updated. And Fixed the possible concurrency of
perf_cgroup_switch and perf_cgroup_event_disable.
Luo Gengkun (2):
perf/core: Fix nr_cgroups/cpuctx->cgrp is not updated correctly
perf/core: Fix WARN_ON_ONCE(cpuctx->ctx.nr_cgroups == 0) in
perf_cgroup_switch
kernel/events/core.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
--
2.34.1
next reply other threads:[~2025-05-14 6:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-14 6:47 Luo Gengkun [this message]
2025-05-14 6:47 ` [PATCH Fix perf cgroup problem 1/2] perf/core: Fix nr_cgroups/cpuctx->cgrp is not updated correctly Luo Gengkun
2025-05-14 6:47 ` [PATCH Fix perf cgroup problem 2/2] perf/core: Fix WARN_ON_ONCE(cpuctx->ctx.nr_cgroups == 0) in perf_cgroup_switch Luo Gengkun
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