linux-kernel - Re: [PATCH 3/7] libperf: Move leader to perf

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Date:   Wed, 7 Jul 2021 11:53:27 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Ian Rogers <irogers@...gle.com>, nakamura.shun@...itsu.com,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 3/7] libperf: Move leader to perf_evsel::leader

Em Tue, Jul 06, 2021 at 05:17:00PM +0200, Jiri Olsa escreveu:
> Moving evsel::leader to perf_evsel::leader, so we can move
> the group interface to libperf.

I also had to apply this, because you didn't build with
BUILD_BPF_SKEL=1, right?

diff --git a/tools/perf/util/bpf_counter.c b/tools/perf/util/bpf_counter.c
index 1d0b9742f7271966..8150e03367bbafad 100644
--- a/tools/perf/util/bpf_counter.c
+++ b/tools/perf/util/bpf_counter.c
@@ -353,7 +353,7 @@ static int bperf_check_target(struct evsel *evsel,
 			      enum bperf_filter_type *filter_type,
 			      __u32 *filter_entry_cnt)
 {
-	if (evsel->leader->core.nr_members > 1) {
+	if (evsel->core.leader->nr_members > 1) {
 		pr_err("bpf managed perf events do not yet support groups.\n");
 		return -1;
 	}