[PATCH v5 3/8] perf tests: Avoid fork in perf_has_symbol test

Ian Rogers
2024-02-16T23:55:20Z

perf test -vv Symbols is used to indentify symbols within the perf
binary. Add the -F flag so that the test command doesn't fork the test
before running. This removes a little overhead.

Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/tests/shell/lib/perf_has_symbol.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/tests/shell/lib/perf_has_symbol.sh b/tools/perf/tests/shell/lib/perf_has_symbol.sh
index 5d59c32ae3e7..561c93b75d77 100644
--- a/tools/perf/tests/shell/lib/perf_has_symbol.sh
+++ b/tools/perf/tests/shell/lib/perf_has_symbol.sh
@@ -3,7 +3,7 @@

perf_has_symbol()
{
- if perf test -vv "Symbols" 2>&1 | grep "[[:space:]]$1$"; then
+ if perf test -vv -F "Symbols" 2>&1 | grep "[[:space:]]$1$"; then
echo "perf does have symbol '$1'"
return 0
fi
--
2.44.0.rc0.258.g7320e95886-goog