From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CA39C1878 for ; Thu, 1 Feb 2024 00:15:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706746528; cv=none; b=RjSR4zNsw/9j1fr9iHk3wPX0GiSjgwRoL+B/BaBH5+quEqmM7A4Hy1vEtKw8K4t3eICIYmDYe6oJS8zYJp5jqxMouxGEGeI9nMmlYIfx8h5hV60/gl0JZbkUG2MncZVSvbI8UlZZtd4PhPaDvKTfR7MBPF+rAHsiUdzXhDoMAFY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706746528; c=relaxed/simple; bh=QRpCkX5OhiFVAf9wMaNKpBHKt1xJJ+6SZA8XPyhesEY=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=QyIJIyT/UGwjKqXTGiGVRXYu23JXg4j4TShlPad6Kz09+SOWhRVAmPL1GvqK/jhqFbMLrxId7XAIwaxmmLCwAbbNXmIPypNNZTbyCu6PLIwegjxQnRMpHSBzQNTAssw4qcO6lOnjIbNHijGm4MZWFx+KTRB0VXT8/GNR/5hDpzw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=FUDTUPE8; arc=none smtp.client-ip=209.85.219.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="FUDTUPE8" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-dc6ade10cb8so753653276.0 for ; Wed, 31 Jan 2024 16:15:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1706746526; x=1707351326; darn=lists.linux.dev; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=6LQceo5LZaawmvLGjPJXI4UEv1n2dckt3DrjRuadtZ8=; b=FUDTUPE8fxgnMZK7TXdgTWwTCRiDxS2M9CNNl3Dy2eCrq57WN5XlY7k0jAZwRD2nVy igdxRdhOgXn8ZlhMXqD2kMem7o/FT53mJk//rltFDGweDFLSUzRo98kyyjNBAbsoWj+O g6QYDGNXUKDaTATb4+Wxn7hgyR8GHa4B+0KjX+o79onS934P5smp2FXFCjkB9M+5xF56 dkNF41Po6zd9EqkIEtXi62WwZzV6QGhVEw3Quv6Ikdke5I+Kmu7LrU3oJj0Z3hvfxj8q tw8qTesY340gBpL0VBHrl5vIYB1+ZKcGIShiq+LMVr47uafdgZzWQgrbTWOKxKB84zNt uwAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706746526; x=1707351326; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=6LQceo5LZaawmvLGjPJXI4UEv1n2dckt3DrjRuadtZ8=; b=qafbLLqEAkssmh2AMG5Y2VP5v0kqygkDH9F7XwiMricZMTA+0izmKB5vCXe61b2wDN gVSs9+p4N3d46J37pYnQnJDM/UMBvDsTry8FyrBy4LESxyTiT5eWJXZ0VhiRH43j512i zCLoWgzO9jzsXy6SKugZ2/Oax4FNVKFWwVhCVmhi2l95iaJ0QzQREHpJxDS8xpgB3mVu fNGbiI+mWnM7rwRga78vVxdm/S8dCInOyDHAvslIINmlQdXC/6OPQmuWVI61tAbVWoqP onEeTbJDWDXb4wkCbycKL9CQWc1DOBVAa1ufV2GqL8CyrD/3qjGtdBGi2hOcUrn9ZUTV 8xIA== X-Gm-Message-State: AOJu0YyTkXHnh7PhD7f6ZyfwfqXc3mPxSoGJXOa6Fe232QnZv30/+xeS WeFx9hFvClADBrdnBYL4uRF7XJXoPjjSgjpqbdtAf0kkPeDDJTkgPVUQ8SLcE/P1N/NBSdQmR9Y yPPc0MQ== X-Google-Smtp-Source: AGHT+IGkcSdrvh1eVOyXefE7wqxHzsyE+LRzj7VdVg3SWOtaKEzHNjBSiBdZCUHM6S5SRjI90vPm5BkpRox9 X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:16c5:1feb:bf99:a5d1]) (user=irogers job=sendgmr) by 2002:a5b:803:0:b0:dc6:c9e8:8b0d with SMTP id x3-20020a5b0803000000b00dc6c9e88b0dmr446549ybp.1.1706746525831; Wed, 31 Jan 2024 16:15:25 -0800 (PST) Date: Wed, 31 Jan 2024 16:14:57 -0800 In-Reply-To: <20240201001504.1348511-1-irogers@google.com> Message-Id: <20240201001504.1348511-3-irogers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240201001504.1348511-1-irogers@google.com> X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog Subject: [PATCH v2 3/9] perf tests: Avoid fork in perf_has_symbol test From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Nathan Chancellor , Nick Desaulniers , Tom Rix , Ravi Bangoria , James Clark , Kan Liang , John Garry , 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 Acked-by: Adrian Hunter --- 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