diff options
| author | Ian Rogers <irogers@google.com> | 2024-03-01 08:46:39 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-03-21 17:54:39 +0100 |
| commit | 5f2f051a9386aa6d62d081a9889ca321ca8c309b (patch) | |
| tree | 4fb1a0bfbd03bf28e0417045bf82f28c435e0f2a /tools/perf/tests/builtin-test.c | |
| parent | perf test: Use a single fd for the child process out/err (diff) | |
| download | linux-5f2f051a9386aa6d62d081a9889ca321ca8c309b.tar.xz linux-5f2f051a9386aa6d62d081a9889ca321ca8c309b.zip | |
perf test: Read child test 10 times a second rather than 1
Make the perf test output smoother by timing out the poll of the child
process after 100ms rather than 1s.
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: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Disha Goel <disgoel@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20240301074639.2260708-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/builtin-test.c')
| -rw-r--r-- | tools/perf/tests/builtin-test.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index e05b370b1e2b..ddb2f4e38ea5 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -307,8 +307,8 @@ static int finish_test(struct child_test *child_test, int width) char buf[512]; ssize_t len; - /* Poll to avoid excessive spinning, timeout set for 1000ms. */ - poll(pfds, ARRAY_SIZE(pfds), /*timeout=*/1000); + /* Poll to avoid excessive spinning, timeout set for 100ms. */ + poll(pfds, ARRAY_SIZE(pfds), /*timeout=*/100); if (!err_done && pfds[0].revents) { errno = 0; len = read(err, buf, sizeof(buf) - 1); |