linux-kernel - [PATCH 5.4 37/37] perf script: Fix CPU filtering of a scripts switch events

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Date:   Mon,  3 Jan 2022 15:24:15 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Adrian Hunter <adrian.hunter@...el.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>,
        Riccardo Mancini <rickyman7@...il.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 5.4 37/37] perf script: Fix CPU filtering of a scripts switch events

From: Adrian Hunter <adrian.hunter@...el.com>

commit 5e0c325cdb714409a5b242c9e73a1b61157abb36 upstream.

CPU filtering was not being applied to a script's switch events.

Fixes: 5bf83c29a0ad2e78 ("perf script: Add scripting operation process_switch()")
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Acked-by: Namhyung Kim <namhyung@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Riccardo Mancini <rickyman7@...il.com>
Cc: stable@...r.kernel.org
Link: https://lore.kernel.org/r/20211215080636.149562-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 tools/perf/builtin-script.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2308,7 +2308,7 @@ static int process_switch_event(struct p
 	if (perf_event__process_switch(tool, event, sample, machine) < 0)
 		return -1;
 
-	if (scripting_ops && scripting_ops->process_switch)
+	if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
 		scripting_ops->process_switch(event, sample, machine);
 
 	if (!script->show_switch_events)