linux-kernel - [tip:perf/urgent] perf, bpf: Consider events with attr.bpf

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Date:   Sat, 9 Mar 2019 11:46:20 -0800
From:   tip-bot for Song Liu <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     namhyung@...nel.org, ast@...nel.org, daniel@...earbox.net,
        jolsa@...nel.org, linux-kernel@...r.kernel.org, tglx@...utronix.de,
        acme@...hat.com, songliubraving@...com, hpa@...or.com,
        peterz@...radead.org, mingo@...nel.org
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@...com>
AuthorDate: Mon, 25 Feb 2019 16:20:05 -0800
Committer:  Arnaldo Carvalho de Melo <acme@...hat.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@...com>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: kernel-team@...com
Cc: netdev@...r.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@...hat.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;
 }