linux-kernel - [PATCH] perf tools: Fix a typo in BTF tracepoint name

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Date:   Thu,  8 Dec 2022 10:26:36 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org, Song Liu <song@...nel.org>,
        bpf@...r.kernel.org
Subject: [PATCH] perf tools: Fix a typo in BTF tracepoint name

In the BTF, tracepoint definitions have the prefix of "btf_trace_".
The off-cpu profilier needs to check the signature of sched_switch
event using the definition.  But there's a typo (s/bpf/btf/) so it
failed always.

Fixes: b36888f71c85 ("perf record: Handle argument change in sched_switch")
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/bpf_off_cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/bpf_off_cpu.c b/tools/perf/util/bpf_off_cpu.c
index c257813e674e..01f70b8e705a 100644
--- a/tools/perf/util/bpf_off_cpu.c
+++ b/tools/perf/util/bpf_off_cpu.c
@@ -102,7 +102,7 @@ static void check_sched_switch_args(void)
 	const struct btf_type *t1, *t2, *t3;
 	u32 type_id;
 
-	type_id = btf__find_by_name_kind(btf, "bpf_trace_sched_switch",
+	type_id = btf__find_by_name_kind(btf, "btf_trace_sched_switch",
 					 BTF_KIND_TYPEDEF);
 	if ((s32)type_id < 0)
 		return;
-- 
2.39.0.rc1.256.g54fd8350bd-goog