linux-kernel - [PATCH v1 5/5] perf test: perf data --to-ctf testing

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Message-ID: <20260211015242.2700218-6-irogers@google.com>
Date: Tue, 10 Feb 2026 17:52:42 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	James Clark <james.clark@...aro.org>, Derek Foreman <derek.foreman@...labora.com>, 
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: [PATCH v1 5/5] perf test: perf data --to-ctf testing

If babeltrace is detected check that --to-ctf functions with a data
file and in pipe mode.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 .../shell/test_perf_data_converter_ctf.sh     | 104 ++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100755 tools/perf/tests/shell/test_perf_data_converter_ctf.sh

diff --git a/tools/perf/tests/shell/test_perf_data_converter_ctf.sh b/tools/perf/tests/shell/test_perf_data_converter_ctf.sh
new file mode 100755
index 000000000000..334eebc9945e
--- /dev/null
+++ b/tools/perf/tests/shell/test_perf_data_converter_ctf.sh
@@ -0,0 +1,104 @@
+#!/bin/bash
+# 'perf data convert --to-ctf' command test
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+err=0
+
+perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
+ctf_dir=$(mktemp -d /tmp/__perf_test.ctf.XXXXX)
+
+cleanup()
+{
+	rm -f "${perfdata}"
+	rm -rf "${ctf_dir}"
+	trap - exit term int
+}
+
+trap_cleanup()
+{
+	echo "Unexpected signal in ${FUNCNAME[1]}"
+	cleanup
+	exit ${err}
+}
+trap trap_cleanup exit term int
+
+check_babeltrace_support()
+{
+	if ! perf check feature libbabeltrace
+	then
+		echo "perf not linked with libbabeltrace, skipping test"
+		exit 2
+	fi
+}
+
+test_ctf_converter_file()
+{
+	echo "Testing Perf Data Conversion Command to CTF (File input)"
+	# Record some data
+	if ! perf record -o "$perfdata" -F 99 -g -- perf test -w noploop
+	then
+		echo "Failed to record perf data"
+		err=1
+		return
+	fi
+
+	# Cleanup previous ctf dir
+	rm -rf "${ctf_dir}"
+
+	# Convert
+	if ! perf data convert --to-ctf "$ctf_dir" --force -i "$perfdata"
+	then
+		echo "Perf Data Converter Command to CTF (File input) [FAILED]"
+		err=1
+		return
+	fi
+
+	if [ -d "${ctf_dir}" ] && [ "$(ls -A "${ctf_dir}")" ]
+	then
+		echo "Perf Data Converter Command to CTF (File input) [SUCCESS]"
+	else
+		echo "Perf Data Converter Command to CTF (File input) [FAILED]"
+		echo "    Output directory empty or missing"
+		err=1
+	fi
+}
+
+test_ctf_converter_pipe()
+{
+	echo "Testing Perf Data Conversion Command to CTF (Pipe mode)"
+
+	# Cleanup previous ctf dir
+	rm -rf "${ctf_dir}"
+
+	# Record to stdout and pipe to $perfdata file
+	if ! perf record -o - -F 99 -g -- perf test -w noploop > "$perfdata"
+	then
+		echo "Failed to record perf data"
+		err=1
+		return
+	fi
+
+	if ! perf data convert --to-ctf "$ctf_dir" --force -i "$perfdata"
+	then
+		echo "Perf Data Converter Command to CTF (Pipe mode) [FAILED]"
+		err=1
+		return
+	fi
+
+	if [ -d "${ctf_dir}" ] && [ "$(ls -A "${ctf_dir}")" ]
+	then
+		echo "Perf Data Converter Command to CTF (Pipe mode) [SUCCESS]"
+	else
+		echo "Perf Data Converter Command to CTF (Pipe mode) [FAILED]"
+		echo "    Output directory empty or missing"
+		err=1
+	fi
+}
+
+check_babeltrace_support
+test_ctf_converter_file
+test_ctf_converter_pipe
+
+exit ${err}
-- 
2.53.0.239.g8d8fc8a987-goog