linux-kernel - [PATCH v7 perf,bpf 01/15] perf, bpf: consider events with attr.bpf

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Message-ID: <20190307175810.249857-2-songliubraving@fb.com>
Date:   Thu, 7 Mar 2019 09:57:56 -0800
From:   Song Liu <songliubraving@...com>
To:     <bpf@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <ast@...nel.org>, <daniel@...earbox.net>, <kernel-team@...com>,
        <peterz@...radead.org>, <acme@...hat.com>, <jolsa@...nel.org>,
        <namhyung@...nel.org>, Song Liu <songliubraving@...com>
Subject: [PATCH v7 perf,bpf 01/15] perf, bpf: consider events with attr.bpf_event as side-band events

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

Fixes: 6ee52e2a3fe4 ("perf, bpf: Introduce PERF_RECORD_BPF_EVENT")
Signed-off-by: Song Liu <songliubraving@...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 f1a26c8f15b3..4a59cb9b29ee 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;
 }
-- 
2.17.1