Message ID | 20240212185858.68189-4-irogers@google.com |
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State | New |
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Mon, 12 Feb 2024 10:59:13 -0800 (PST) Date: Mon, 12 Feb 2024 10:58:53 -0800 In-Reply-To: <20240212185858.68189-1-irogers@google.com> Message-Id: <20240212185858.68189-4-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: <linux-kernel.vger.kernel.org> List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org> Mime-Version: 1.0 References: <20240212185858.68189-1-irogers@google.com> X-Mailer: git-send-email 2.43.0.687.g38aa6559b0-goog Subject: [PATCH v3 3/8] 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>, Namhyung Kim <namhyung@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, Nathan Chancellor <nathan@kernel.org>, Nick Desaulniers <ndesaulniers@google.com>, Bill Wendling <morbo@google.com>, Justin Stitt <justinstitt@google.com>, James Clark <james.clark@arm.com>, Athira Jajeev <atrajeev@linux.vnet.ibm.com>, Kan Liang <kan.liang@linux.intel.com>, Yang Jihong <yangjihong1@huawei.com>, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev Content-Type: text/plain; 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Run tests in parallel
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Commit Message
Ian Rogers
Feb. 12, 2024, 6:58 p.m. UTC
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