From: Ian Rogers <irogers@google.com>
Date: Wed, 21 Feb 2024 03:41:50 +0000 (-0800)
Subject: perf tests: Avoid fork in perf_has_symbol test
X-Git-Tag: v6.9-rc1~108^2~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=526f2ac9f6a1d668fddf925897b55341bef22644;p=thirdparty%2Fkernel%2Flinux.git

perf tests: Avoid fork in perf_has_symbol test

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>
Cc: James Clark <james.clark@arm.com>
Cc: Justin Stitt <justinstitt@google.com>
Cc: Bill Wendling <morbo@google.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: llvm@lists.linux.dev
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240221034155.1500118-4-irogers@google.com
---

diff --git a/tools/perf/tests/shell/lib/perf_has_symbol.sh b/tools/perf/tests/shell/lib/perf_has_symbol.sh
index 5d59c32ae3e7b..561c93b75d77a 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