From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 25B5BC48298 for ; Fri, 2 Feb 2024 23:41:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:From:Subject:References:Mime-Version :Message-Id:In-Reply-To:Date:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KZKsZYSUqImHmwUzFy5p0ZjQQxB0uWVVW2aFwIw2CuI=; b=nxRgGGf80UxNJB Ltcx2QIUPvYeJ8GcvAJzntZgBBLy/1iYjZv3kuTtxIMWqOaBiLUfkWJ/vTtuPka706XLLsHK8w1KB pXrUX3SziddAtaU7j/xp0OWUnz682PSoMKTv77skpjyiCxuhUfQfVOBgi3ejRZvhrsekukw6beXHg Ye4XO9YTEqe9VNTOcEXLd3zvSuxSWDIUXRhnhVldHarXZBIJ55lROg+3bHJVoR/v81fLbdFD318WO +4uTY/Xicz4nv8HJS4q83q+FkZTGSk9GvTUAqx84FMtLF5AfWOUasREpiP4Tqx+LbyupxU+4DfYfu lxbezAMPrlOMsWSicgrg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rW39z-0000000Doav-3qov; Fri, 02 Feb 2024 23:41:27 +0000 Received: from mail-yw1-x114a.google.com ([2607:f8b0:4864:20::114a]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rW39w-0000000DoWa-16Lb for linux-arm-kernel@lists.infradead.org; Fri, 02 Feb 2024 23:41:25 +0000 Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-6041dbb7a78so40617427b3.0 for ; Fri, 02 Feb 2024 15:41:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1706917283; x=1707522083; darn=lists.infradead.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=Jm6+rGnwaR5/dop0r40XD+HXuvjfQ9BLsYsO2f1XDQM=; b=wbID8quteK44Po3WvgLjel7iGCYOxEo6bvQOAQ+x0Dl1zhMnUP8D1IcMwL9UNrlbBO nzi4J7qp6DcJG/uWL0v6HXDCivgWe8dd3yAUnICDBa3azbYRGGnTjPWqXB2Edv/BOLjE CouTQiYFjyThDNrG8ssHqdr7QTbpSftGbvEt9TGbF9DNe8ktU8vUIJONQIEsUmQtwoQ1 YQ9dJV9vgPNGnxxICOMzANX+Hq7lxoCvUabKevdO1/FhN0t2iWK+bY93HLHoHa86q0Aj gNBM0hWEm+s6bt+tjI3/PvMadxZby9ZmPVNLIbsK0EcTNWcYYe34ddX2cRKq+wcX/rlP HvYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706917283; x=1707522083; 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=Jm6+rGnwaR5/dop0r40XD+HXuvjfQ9BLsYsO2f1XDQM=; b=bgSFrUFo6zhmes8GVvsCRtJCK/DvYaaIBrEIUXUX438x9JBO6nsiXrJODFtaEF0w6k JltMjjElre3dExGbxF0Iez8QaS7rPn7GvF7SspldN9CaiBbGf6mNi+tdwmItaPl85pQp uIYZI3myyZKHm6zgB731oHF3Z1tWJwEUODqJG7A0q+8vqN+8DLwjsiYkdLaVtfZHwfwg fmYXdkEQtK7VRDKeOAu68i5tB0dCiMnA1LHk/mCE2omqDvoq/p/OYra/MRI8oB68eXJ5 58odDl0idnkx/0TeyA/ZCF9T685A3kKkkbmtG08yoDRyrsb7HLkweOjVI7JXpmKVoJe/ iETQ== X-Gm-Message-State: AOJu0Yw2cu0+Fp8f4n2OkoMLgKCK4k7FfnRzrF/yIg7ktxWqj2MVQUhp r4H0DUOyKfH/skVrOlJ4IxCvApDXiOIcFsTIoTuA1fsPOtGHm/IA4jEYW+jy1pQv9ACdp+Hzm0g Ow0eNCA== X-Google-Smtp-Source: AGHT+IEIf9VK/cffpyCYFMB/1zS7sPl9WTUUnXn9QcSaGnk7G6TAqWm/KHwq9Yo8DYBPsZvSFAYyXv5pPTH8 X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:7732:d863:503:f53d]) (user=irogers job=sendgmr) by 2002:a81:994c:0:b0:5ff:dac0:6524 with SMTP id q73-20020a81994c000000b005ffdac06524mr2160038ywg.3.1706917283080; Fri, 02 Feb 2024 15:41:23 -0800 (PST) Date: Fri, 2 Feb 2024 15:40:55 -0800 In-Reply-To: <20240202234057.2085863-1-irogers@google.com> Message-Id: <20240202234057.2085863-7-irogers@google.com> Mime-Version: 1.0 References: <20240202234057.2085863-1-irogers@google.com> X-Mailer: git-send-email 2.43.0.594.gd9cf4e227d-goog Subject: [PATCH v3 6/8] perf arm64 header: Remove unnecessary CPU map get and put From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , John Garry , Will Deacon , Thomas Gleixner , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Kan Liang , K Prateek Nayak , Sean Christopherson , Paolo Bonzini , Kajol Jain , Athira Rajeev , Andrew Jones , Alexandre Ghiti , Atish Patra , "Steinar H. Gunderson" , Yang Jihong , Yang Li , Changbin Du , Sandipan Das , Ravi Bangoria , Paran Lee , Nick Desaulniers , Huacai Chen , Yanteng Si , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240202_154124_362903_1F654618 X-CRM114-Status: GOOD ( 12.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In both cases the CPU map is known owned by either the caller or a PMU. Signed-off-by: Ian Rogers Reviewed-by: James Clark --- tools/perf/arch/arm64/util/header.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/tools/perf/arch/arm64/util/header.c b/tools/perf/arch/arm64/util/header.c index 97037499152e..a9de0b5187dd 100644 --- a/tools/perf/arch/arm64/util/header.c +++ b/tools/perf/arch/arm64/util/header.c @@ -25,8 +25,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus) if (!sysfs || sz < MIDR_SIZE) return EINVAL; - cpus = perf_cpu_map__get(cpus); - for (cpu = 0; cpu < perf_cpu_map__nr(cpus); cpu++) { char path[PATH_MAX]; FILE *file; @@ -51,7 +49,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus) break; } - perf_cpu_map__put(cpus); return ret; } -- 2.43.0.594.gd9cf4e227d-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel