Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Smtp-Origin-Hostprefix: devbig
From:   Song Liu <songliubraving@fb.com>
Smtp-Origin-Hostname: devbig006.ftw2.facebook.com
To:     <bpf@vger.kernel.org>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
CC:     <ast@kernel.org>, <daniel@iogearbox.net>, <kernel-team@fb.com>,
        <peterz@infradead.org>, <acme@redhat.com>, <jolsa@kernel.org>,
        <namhyung@kernel.org>, <sdf@fomichev.me>,
        Song Liu <songliubraving@fb.com>
Smtp-Origin-Cluster: ftw2c04
Subject: [PATCH v8 perf,bpf 01/15] perf, bpf: consider events with attr.bpf_event as side-band events
Date:   Mon, 11 Mar 2019 12:55:41 -0700
Message-ID: <20190311195555.889995-2-songliubraving@fb.com>
In-Reply-To: <20190311195555.889995-1-songliubraving@fb.com>
References: <20190311195555.889995-1-songliubraving@fb.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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@fb.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