linux-kernel - [PATCH 1/5] perf record: Always get text

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Message-Id: <20220610113316.6682-2-adrian.hunter@intel.com>
Date:   Fri, 10 Jun 2022 14:33:12 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...hat.com>, Ian Rogers <irogers@...gle.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] perf record: Always get text_poke events with --kcore option

kcore provides a copy of the running kernel including any modified code.
A trace that benefits from that also benefits from text_poke events, so
enable them.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/builtin-record.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 9a71f0330137..3959a1b86afb 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -3805,6 +3805,9 @@ int cmd_record(int argc, const char **argv)
 		goto out_opts;
 	}
 
+	if (rec->opts.kcore)
+		rec->opts.text_poke = true;
+
 	if (rec->opts.kcore || record__threads_enabled(rec))
 		rec->data.is_dir = true;
 
-- 
2.25.1