Commit fc4577b5 authored Feb 10, 2026 by Ian Rogers Committed by Arnaldo Carvalho de Melo Feb 12, 2026

perf test: Test pipe mode with data conversion --to-json



Add pipe mode test for json data conversion. Tidy up exit and cleanup
code.

Committer testing:

  $ perf test 'perf data convert --to-json'
  124: 'perf data convert --to-json' command test                      : Ok
  $ perf test -vv 'perf data convert --to-json'
  124: 'perf data convert --to-json' command test:
  --- start ---
  test child forked, pid 548738
  Testing Perf Data Conversion Command to JSON
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.020 MB /tmp/__perf_test.perf.data.krxvl (104 samples) ]
  [ perf data convert: Converted '/tmp/__perf_test.perf.data.krxvl' into JSON data '/tmp/__perf_test.output.json.0z60p' ]
  [ perf data convert: Converted and wrote 0.075 MB (104 samples) ]
  Perf Data Converter Command to JSON [SUCCESS]
  Validating Perf Data Converted JSON file
  The file contains valid JSON format [SUCCESS]
  Testing Perf Data Conversion Command to JSON (Pipe mode)
  [ perf record: Woken up 2 times to write data ]
  [ perf record: Captured and wrote 0.046 MB - ]
  [ perf data convert: Converted '-' into JSON data '/tmp/__perf_test.output.json.0z60p' ]
  [ perf data convert: Converted and wrote 0.081 MB (110 samples) ]
  Perf Data Converter Command to JSON (Pipe mode) [SUCCESS]
  Validating Perf Data Converted JSON file
  The file contains valid JSON format [SUCCESS]
  ---- end(0) ----
  124: 'perf data convert --to-json' command test                      : Ok
  $

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Derek Foreman <derek.foreman@collabora.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 5b92fc08

tools/perf/tests/shell/test_perf_data_converter_json.sh

+24 −9

Original line number	Diff line number	Diff line
		@@ -15,29 +15,42 @@ result=$(mktemp /tmp/__perf_test.output.json.XXXXX)

		cleanup()
		{
		rm -f "${perfdata}"
		rm -f "${perfdata}*"
		rm -f "${result}"
		trap - exit term int
		}

		trap_cleanup()
		{
		echo "Unexpected signal in ${FUNCNAME[1]}"
		cleanup
		exit ${err}
		exit 1
		}
		trap trap_cleanup exit term int

		test_json_converter_command()
		{
		echo "Testing Perf Data Convertion Command to JSON"
		perf record -o "$perfdata" -F 99 -g -- perf test -w noploop > /dev/null 2>&1
		perf data convert --to-json "$result" --force -i "$perfdata" >/dev/null 2>&1
		echo "Testing Perf Data Conversion Command to JSON"
		perf record -o "$perfdata" -F 99 -g -- perf test -w noploop
		perf data convert --to-json "$result" --force -i "$perfdata"
		if [ "$(cat ${result} \| wc -l)" -gt "0" ] ; then
		echo "Perf Data Converter Command to JSON [SUCCESS]"
		else
		echo "Perf Data Converter Command to JSON [FAILED]"
		err=1
		exit
		fi
		}

		test_json_converter_pipe()
		{
		echo "Testing Perf Data Conversion Command to JSON (Pipe mode)"
		perf record -o - -F 99 -g -- perf test -w noploop > "$perfdata"
		cat "$perfdata" \| perf data convert --to-json "$result" --force -i -
		if [ "$(cat ${result} \| wc -l)" -gt "0" ] ; then
		echo "Perf Data Converter Command to JSON (Pipe mode) [SUCCESS]"
		else
		echo "Perf Data Converter Command to JSON (Pipe mode) [FAILED]"
		err=1
		fi
		}

		@@ -50,16 +63,18 @@ validate_json_format()
		else
		echo "The file does not contain valid JSON format [FAILED]"
		err=1
		exit
		fi
		else
		echo "File not found [FAILED]"
		err=2
		exit
		err=1
		fi
		}

		test_json_converter_command
		validate_json_format

		test_json_converter_pipe
		validate_json_format

		cleanup
		exit ${err}