From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 93661195 for ; Thu, 18 Jul 2024 00:30:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721262643; cv=none; b=bI2R3Rqw0Pkrdl+9f4FpDRKn1SAvpUSea9Crxq6/30NJTnWhO7JRNfBhZWUHh4G44ny4Lywf5yYXXhoBJd3+drGfKPf74aCheRgKfFDcJKERTiFTRkxAR61YHj7VctjXkNEBVurOr57cAXaGnaD9DQDM0Z+97Ir3Pp+iLmOUuCA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721262643; c=relaxed/simple; bh=3MmR6WYn5H6j6OnCbe2YIZN1LUz/9RtidsFDq6cezCA=; h=Date:Message-Id:Mime-Version:Subject:From:To:Content-Type; b=ZxP+AKYzUQxpMEOq6riG+MQ7AJvAEkZpv4mEEQZQfP/njQKkejvjBT32igDsWTyD64KaiAH3XMSraj58GcDfVUsDLfAGmdJ1FJYPjcWppF4NRFmxZbCKR/MmBhED6zMAE7ap8x4vGcmRJYmnMPEQunuGqSOvOe78VuccOnTthGA= 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=HpnoHAmd; arc=none smtp.client-ip=209.85.128.201 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="HpnoHAmd" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-664c185a606so6033957b3.2 for ; Wed, 17 Jul 2024 17:30:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1721262640; x=1721867440; darn=vger.kernel.org; h=to:from:subject:mime-version:message-id:date:from:to:cc:subject :date:message-id:reply-to; bh=6MIUEZAXr9ARz/GejKmT/R1O9t1/kgujIZ/pqahQfTY=; b=HpnoHAmdEZNnH8FktsKDPLDAGM7uzGnOiB9eFoRubhhuXcqE6t3rZfuNtMyLlSP1NK aKKS74uJW3/mPhxlsYE6iaepB9GrHvBmJj6hupYEl513dUFK923hkQbjiP2ZMEVDqyWa oTLcn9dH4wksbHK5shwt+/16HDgKRsNvSVK3VIEKWLkgeLk6vvU0/tupxpUhYyvVGSZq h7oHSPwtzXpAgp2r9Y1ptUJhO2mxkicw/vz09ZscSF07Ew04o0TaE/9qDPHBmzV0TRwF eJ70Mm6p4Wm8LJYsz8XkHkPqp3c3MDOFhdxGt5tsNIVudOqizc/bIRfTTCD4MggwlZ9Q Z5BA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721262640; x=1721867440; h=to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=6MIUEZAXr9ARz/GejKmT/R1O9t1/kgujIZ/pqahQfTY=; b=JpjZjKlgbNh3q40FpnVB1soqX8asTS+BSnNLm5cTijTiP4hDpwyrE55JSoElOnA735 k9Jz+jVsl4GiXsouWCrJ9QCSAKoStPfh8qjiBp9UWGNrYp0jWEwaoQ7MvmYUUGdWHiYC JLlFvyQ2ihpMvnO0qbSkOvLzA7/c27WO3d1M+eIeEChVIE2/47q42eS18cTabT7UVn3O CbVA+uUPk7Vzcmhq6Ra3ThQBR2e+XFSd1lh+e+HjPxDw13rh/enpIbpMJ/SWWinW69QP DnmjVUjZyMj9dRGwnmcSimU8NJSl99dxwOjKDbDqoj/XlAAYKsJPvdM/I1kc3v2fDMag x5ig== X-Forwarded-Encrypted: i=1; AJvYcCXI3KkJdpHIdX368d3xfKFpSbgwq5rP+2L9/676ZsWbK+ncoz7ZTAPJPdyT44jyDR7N2uKtPid7f2wXa3jwQgERw0X2P4Il9v+vAZX7 X-Gm-Message-State: AOJu0Yy/qmawyWgQ1ryfSRO10bTsaR3bNhE7/Mvev8S1StwkuSXhGpBh gyd0LgmAC5ma5Z/Rwp4AbZsxTOfAaY3TKD5k6iVfgqB2XSVfcZGuRLiIBAasRP4y500vp4pxl7v tYmtMAw== X-Google-Smtp-Source: AGHT+IECxaYbhNd5fpP/BxbbwRLk6/tzdHS84XHPvPQhwjJd6j5KAeRS5gwXqiiEJfVrjEx+c1ogUd8pzm3z X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:940b:9044:fa83:4060]) (user=irogers job=sendgmr) by 2002:a05:6902:18d0:b0:dff:1070:84b7 with SMTP id 3f1490d57ef6-e05feb23b1bmr2077276.5.1721262640550; Wed, 17 Jul 2024 17:30:40 -0700 (PDT) Date: Wed, 17 Jul 2024 17:30:19 -0700 Message-Id: <20240718003025.1486232-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.45.2.1089.g2a221341d9-goog Subject: [PATCH v2 0/6] Add support for sysfs event.cpus and cpu event term 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 , Bjorn Helgaas , Jonathan Corbet , James Clark , Ravi Bangoria , Dominique Martinet , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Dhananjay Ugwekar , ananth.narayan@amd.com, gautham.shenoy@amd.com, kprateek.nayak@amd.com, sandipan.das@amd.com Content-Type: text/plain; charset="UTF-8" The need for a sysfs event.cpus file is discussed here: https://lore.kernel.org/lkml/CAP-5=fXXuWchzUK0n5KTH8kamr=DQoEni+bUoo8f-4j8Y+eMBg@mail.gmail.com/ following Dhananjay Ugwekar's work on the RAPL /sys/devices/power PMU. These changes add support for the event.cpus file in sysfs and also a cpu event term allowing events to have differing CPUs. This was added in order to test the parsing and map propagation for the sysfs case. v2: Add support for multiple cpu terms on an event that are merged. For example, an event of "l1d-misses/cpu=4,cpu=5/" will now be opened on both CPU 4 and 5 rather than just CPU 4. Ian Rogers (6): perf pmu: Merge boolean sysfs event option parsing perf parse-events: Pass cpu_list as a perf_cpu_map in __add_event perf pmu: Add support for event.cpus files in sysfs libperf cpumap: Add ability to create CPU from a single CPU number perf parse-events: Set is_pmu_core for legacy hardware events perf parse-events: Add "cpu" term to set the CPU an event is recorded on .../sysfs-bus-event_source-devices-events | 14 ++ tools/lib/perf/cpumap.c | 10 ++ tools/lib/perf/include/perf/cpumap.h | 2 + tools/perf/Documentation/perf-list.txt | 9 + tools/perf/util/evsel_config.h | 1 + tools/perf/util/parse-events.c | 162 ++++++++++++------ tools/perf/util/parse-events.h | 3 +- tools/perf/util/parse-events.l | 1 + tools/perf/util/pmu.c | 92 +++++++--- tools/perf/util/pmu.h | 1 + 10 files changed, 221 insertions(+), 74 deletions(-) -- 2.45.2.1089.g2a221341d9-goog