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Subject[PATCH v1 4/4] perf test: Read child test 10 times a second rather than 1
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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>
---
tools/perf/tests/builtin-test.c | 4 ++--
1 file 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);
--
2.44.0.278.ge034bb2e1d-goog

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