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Subject[tip:perf/urgent] perf, bpf: Consider events with attr.bpf_event as side-band events
Commit-ID:  21038f2baa05a0550f56f010f609a5c871b6a274
Gitweb: https://git.kernel.org/tip/21038f2baa05a0550f56f010f609a5c871b6a274
Author: Song Liu <songliubraving@fb.com>
AuthorDate: Mon, 25 Feb 2019 16:20:05 -0800
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 28 Feb 2019 14:20:35 -0300

perf, bpf: Consider events with attr.bpf_event as side-band events

Events with attr.bpf_event set should be considered as side-band events,
as they carry information about BPF programs.

Signed-off-by: Song Liu <songliubraving@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: kernel-team@fb.com
Cc: netdev@vger.kernel.org
Fixes: 6ee52e2a3fe4 ("perf, bpf: Introduce PERF_RECORD_BPF_EVENT")
Link: http://lkml.kernel.org/r/20190226002019.3748539-2-songliubraving@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
kernel/events/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 5f59d848171e..dd9698ad3d66 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4238,7 +4238,8 @@ static bool is_sb_event(struct perf_event *event)
if (attr->mmap || attr->mmap_data || attr->mmap2 ||
attr->comm || attr->comm_exec ||
attr->task || attr->ksymbol ||
- attr->context_switch)
+ attr->context_switch ||
+ attr->bpf_event)
return true;
return false;
}
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