From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (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 D49B41C9EBD for ; Wed, 18 Sep 2024 22:01:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726696913; cv=none; b=r6FML25x0LzY5EemOffqVfeXGRSRK1Ed44BrU9yk0+Ujm2Q12H+SpZdjh3FRllxgfnu81glDhpUQASGO/KjfgE3HmkIlW5mknoBD/sJ780nJY+7sY7i+vF5t/UNblH4LBfUhFrzUVrCG7UEZ42aW/sob0d0vXcgGNjlL3upEDMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726696913; c=relaxed/simple; bh=uHynIhO2a6wMIH0GHztIOVR6Gu4I55/nbVHOrmgwumg=; h=Date:In-Reply-To:Message-Id:Mime-Version:References:Subject:From: To:Content-Type; b=XrmMoE9uDUSZD9PhJl5jqH2tjF1Biq89h5+NoGn1/5IkywdAsfFV0B4CczQB8aXJ0PeTHQJfZ/3DfMVShjxTKJNXjkRPY4B60/Mrj0+b85Cdp5jOofThWxwT/86SJLS72O5rq/WjL9iONR7vNwjkntGMYnTMHk1LxtMFb5oZRRA= 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=BoL8Rvfq; arc=none smtp.client-ip=209.85.128.202 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="BoL8Rvfq" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-6db7a8c6831so3696077b3.3 for ; Wed, 18 Sep 2024 15:01:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1726696911; x=1727301711; darn=vger.kernel.org; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=tA+ca2CfCA+dPHers/lEUgLS4RmANjgCVGUaPchRg24=; b=BoL8Rvfq6IWFL88D7Zfmyj4clzJQwrqW+vXxwN1dSbHqvKZvJq8Y6EpqAEFW7EsG3X oU0H+V7+Coe0/UIqC0uWW6bLv9Nvr63vLWJ2qTOz+rAAyaF0esn7TC1oqfpqrZx7mJjp rCY4C/5eOrSkzqDe4L6G7o/FuUWH61LUhhJ2DPXzBJJWHOamPWtpLlcC0AR/SJuQjPqL eVK1d4/8ovgsfnUywQIC1bRw4d6R80V9HDWsyeW31MSa4W7w7D8e8zeZ0fKQ+jYdodt6 Vam43+qlvb7Lmhiko7nTTjD+ubHES0AadXJDKRUXO1KMH1q2M6XPOQPs5nQ0wYoKyTDw xGdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726696911; x=1727301711; 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=tA+ca2CfCA+dPHers/lEUgLS4RmANjgCVGUaPchRg24=; b=tETPxuoZJaU36ZGWM9NN1tyeKZRzhedAhHo4RckdQ89GDZQ+6vUNhqrRMydd9fLRS2 fiihxRFonwm736eKf2payA8z+zfInOd6AZbOeKAD84VvixCrwH+CzGdSV84YSqLhHMXH gRsyo7nbca1APc5GmL5+1ysL0b5AZflkD+eddN94RVmbQDU6H2ScALn3ByuiKWv75OXp J2FPB2dFriyZa6imlrFSscWkmOAGvYvt8fGXeAZ9tNMO23gUXoxuGkBj6wlf65gYSeFK DDYooupZtMOQUbsHAqp4pQlQG+ypnY/eJd3ZbGnzh6DBET/CTmoB1pbbTF6hTtRlMlXf 2d2Q== X-Forwarded-Encrypted: i=1; AJvYcCXavK509dCf0CqxBjFRGDogsk5vAElRaRvKLUgETqwMzA0HkqmW8OTmnjvstrmiescouucbZSVyJcMsiE9lstGa@vger.kernel.org X-Gm-Message-State: AOJu0YwfICLr4pAmeiQ7C73ZhAK77/934QKkCCRw2a8YfQ/Gp9qDY3NU wCJTnSfHaFf3s9VwS+YRr6UBHdw2XeSPdVWfLiadDlS9YTU2nk8bze2JcBnNzmTYDK1RnnMfOuc wyWN+ZQ== X-Google-Smtp-Source: AGHT+IE8oGOkMGpijeUr13v+FWv/cSJFJ+UhD8kBwfC+Eau1PSptnJGHpI0SerfYTZ1mBE3UCoiS9RJhehTr X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:cb6b:1e62:cfd8:bd50]) (user=irogers job=sendgmr) by 2002:a05:690c:338e:b0:64b:5cc7:bcb7 with SMTP id 00721157ae682-6dbb6acf2ebmr12290067b3.1.1726696910799; Wed, 18 Sep 2024 15:01:50 -0700 (PDT) Date: Thu, 19 Sep 2024 00:01:31 +0200 In-Reply-To: <20240918220133.102964-1-irogers@google.com> Message-Id: <20240918220133.102964-2-irogers@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240918220133.102964-1-irogers@google.com> X-Mailer: git-send-email 2.46.0.662.g92d0881bb0-goog Subject: [PATCH v3 1/3] libperf cpumap: Add ability to create CPU from a single CPU number From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Ravi Bangoria , Weilin Wang , Dominique Martinet , Jing Zhang , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Add perf_cpu_map__new_int so that a CPU map can be created from a single integer. Signed-off-by: Ian Rogers --- tools/lib/perf/cpumap.c | 10 ++++++++++ tools/lib/perf/include/perf/cpumap.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c index cae799ad44e1..2c8e36d0efaa 100644 --- a/tools/lib/perf/cpumap.c +++ b/tools/lib/perf/cpumap.c @@ -293,6 +293,16 @@ struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list) return cpus; } +struct perf_cpu_map *perf_cpu_map__new_int(int cpu) +{ + struct perf_cpu_map *cpus = perf_cpu_map__alloc(1); + + if (cpus) + RC_CHK_ACCESS(cpus)->map[0].cpu = cpu; + + return cpus; +} + static int __perf_cpu_map__nr(const struct perf_cpu_map *cpus) { return RC_CHK_ACCESS(cpus)->nr; diff --git a/tools/lib/perf/include/perf/cpumap.h b/tools/lib/perf/include/perf/cpumap.h index 90457d17fb2f..79ed3449d288 100644 --- a/tools/lib/perf/include/perf/cpumap.h +++ b/tools/lib/perf/include/perf/cpumap.h @@ -37,6 +37,8 @@ LIBPERF_API struct perf_cpu_map *perf_cpu_map__new_online_cpus(void); * perf_cpu_map__new_online_cpus is returned. */ LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list); +/** perf_cpu_map__new_int - create a map with the one given cpu. */ +LIBPERF_API struct perf_cpu_map *perf_cpu_map__new_int(int cpu); LIBPERF_API struct perf_cpu_map *perf_cpu_map__read(FILE *file); LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map); LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig, -- 2.46.0.662.g92d0881bb0-goog