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Date: Wed, 31 Jan 2024 16:14:57 -0800
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Subject: [PATCH v2 3/9] perf tests: Avoid fork in perf_has_symbol test
From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, 
	Arnaldo Carvalho de Melo <acme@kernel.org>, Mark Rutland <mark.rutland@arm.com>, 
	Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, 
	Namhyung Kim <namhyung@kernel.org>, Ian Rogers <irogers@google.com>, 
	Adrian Hunter <adrian.hunter@intel.com>, Nathan Chancellor <nathan@kernel.org>, 
	Nick Desaulniers <ndesaulniers@google.com>, Tom Rix <trix@redhat.com>, 
	Ravi Bangoria <ravi.bangoria@amd.com>, James Clark <james.clark@arm.com>, 
	Kan Liang <kan.liang@linux.intel.com>, John Garry <john.g.garry@oracle.com>, 
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, 
	llvm@lists.linux.dev
Content-Type: text/plain; charset="UTF-8"

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.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.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
-- 
2.43.0.429.g432eaa2c6b-goog