diff options
| author | Ian Rogers <irogers@google.com> | 2024-10-25 12:21:03 -0700 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2024-10-28 09:32:57 -0700 |
| commit | 2c66343927eebe799324410f1ca9cde79e71dbe4 (patch) | |
| tree | 4d3a56886fae120947aca93cef251c618c7d8054 /tools/perf/tests | |
| parent | d50318fe00d176c5ee5de9092ca092bee05a9eb6 (diff) | |
perf test: Avoid list test blocking on writing to stdout
Python's json.tool will output the input json to stdout. Redirect to
/dev/null to avoid blocking on stdout writes.
Tested-by: James Clark <james.clark@linaro.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Veronika Molnarova <vmolnaro@redhat.com>
Link: https://lore.kernel.org/r/20241025192109.132482-5-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/tests')
| -rwxr-xr-x | tools/perf/tests/shell/list.sh | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/tests/shell/list.sh b/tools/perf/tests/shell/list.sh index 8a868ae64560..76a9846cff22 100755 --- a/tools/perf/tests/shell/list.sh +++ b/tools/perf/tests/shell/list.sh @@ -24,8 +24,11 @@ trap trap_cleanup EXIT TERM INT test_list_json() { echo "Json output test" + # Generate perf list json output into list_output file. perf list -j -o "${list_output}" - $PYTHON -m json.tool "${list_output}" + # Validate the json using python, redirect the json copy to /dev/null as + # otherwise the test may block writing to stdout. + $PYTHON -m json.tool "${list_output}" /dev/null echo "Json output test [Success]" } |