From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dl1-f74.google.com (mail-dl1-f74.google.com [74.125.82.74]) (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 ACBCD2EA468 for ; Sat, 11 Apr 2026 06:57:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775890645; cv=none; b=lGZEaOxIJ1at/8X0qGu4LAJmx/DUbgL60WmWxcQdFBTRTX0WIlPylUy0xtA9Z1qgGRCIEVW/g8afRjH5iWQhiNo2lmR8rI/16jcDWFO2cOhOC4IPlQugbxbR4OlubLUrURg2T4FPi1CO4AnaopL5t63JTJSEdHhmXvP9sHH0bWE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775890645; c=relaxed/simple; bh=y+CYJVf/xXExCEvjhS9Sc77dxdb8b8RgD7UguMjiExE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=QjPab8FSeaXyq8cwRz8PWeRWyPrkN6th8Ts9BYfpxVsPxbfqhujw+Fes35jc5HtUyFkpLyN8awuXSdt0dBtvvx6M85jMgiaHblWMJPWkXWTB4wdO6M9Ph24PfV+mERS8Y0KIxPs7Q8+OSkAHubVH8eLQSd9DWH0PbR261aBnlYE= 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=bcZnjRMD; arc=none smtp.client-ip=74.125.82.74 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="bcZnjRMD" Received: by mail-dl1-f74.google.com with SMTP id a92af1059eb24-12c21dbc9c1so7240658c88.0 for ; Fri, 10 Apr 2026 23:57:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1775890643; x=1776495443; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=tgx8ZNP43Bre7tFT5zMzC+olmFYSSJzYrMdZEUAKK4o=; b=bcZnjRMD/iXeZtr11r8g2SXGaT2pKvAQbqNlgVaHwa2dQHL+hqS121DRkvRSymcKZq XsuvdItx+1yDMkJyX/CK8D77RG3CPZCu0d2mEUrzWrGfneCYvPu/tpCmVpZXNU9hK/O7 C85ans4e83D+WDu3AOmMszo9hBAZKa2Km3PUuemhngUB0TVAXiRWwe3bKYNinzzibZlq ZWiAOAz9DnGhl3lT9A62e6pCsn8+wWiaHRE4N2FYqJZ0nk3tpQ0rnG3ivX4GnJXuzPUz AEhgtdPwo+u26P4sEL654dk6DdWLLviBIuAYDYNhyfPF0xdFvHVOf7UIIUPKdTtSuvH5 RC9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775890643; x=1776495443; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=tgx8ZNP43Bre7tFT5zMzC+olmFYSSJzYrMdZEUAKK4o=; b=ko/CsM0hIxrb4ZAEvgDg7At5rqeNPTaXjJ4xDN+xjLkRX/+R/75oM5epXDDiP0xV2J vr+u+conRtCm8X3Gow/Z2BQpRzSGINh75FOH/hjnSRvy3GhEvZse452gAcVgyDQ0ae5O sFGzf4nKMHcCcEciLnpcf3y4bEafBcRfCpzzNNrhG8S8T/w69e7KjXg9vkJhTKpkEXcK D3d8VF/oo0A+I+x6xt7wRL4Nps/K28Pk+mTvPREUYqzbc6RlAQfutyX/mTI6OIpWZ73i tk/Ye60q421wjHgL/eEUZG2YEMvJkkT4KOM+CWJqLOVyYTVZOik4ytd2z+l2eD3Ix0/B 9XvQ== X-Forwarded-Encrypted: i=1; AJvYcCUObely8IvOeoxuZOxfvjZarN8N5QECrUIhCzE+udcDx9Adj41ovQyfNMe0CNh0q+7uQtdmGEFx1Jrhu4/kvc7d@vger.kernel.org X-Gm-Message-State: AOJu0YxZRnj9nLjsBzDu7T9gZ3C2ZOc86fm2v1u3IBfFsXMwaVmS6Cmg KKAnEQjkXhYWEukBVZiCXkU1BrlFiBN5EvhM6vF6htHwm3VKyQWyn7g+y0Pw4T7Ozxlwpw3v5Do C104BKBHcBQ== X-Received: from dybmt4.prod.google.com ([2002:a05:7300:d584:b0:2d1:42ae:a5af]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7300:7b86:b0:2c6:7f49:a85d with SMTP id 5a478bee46e88-2d5898aa2femr4031303eec.22.1775890642383; Fri, 10 Apr 2026 23:57:22 -0700 (PDT) Date: Fri, 10 Apr 2026 23:56:49 -0700 In-Reply-To: <20260408072601.210837-1-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: <20260408072601.210837-1-irogers@google.com> X-Mailer: git-send-email 2.53.0.1213.gd9a14994de-goog Message-ID: <20260411065718.372240-1-irogers@google.com> Subject: [PATCH v8 00/29] perf tool: Add evsel to perf_sample From: Ian Rogers To: namhyung@kernel.org Cc: irogers@google.com, acme@kernel.org, adrian.hunter@intel.com, ajones@ventanamicro.com, ak@linux.intel.com, alex@ghiti.fr, alexander.shishkin@linux.intel.com, anup@brainfault.org, aou@eecs.berkeley.edu, atrajeev@linux.ibm.com, blakejones@google.com, ctshao@google.com, dapeng1.mi@linux.intel.com, derek.foreman@collabora.com, dvyukov@google.com, howardchu95@gmail.com, hrishikesh123s@gmail.com, james.clark@linaro.org, jolsa@kernel.org, krzysztof.m.lopatowski@gmail.com, leo.yan@arm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux@treblig.org, mingo@redhat.com, nichen@iscas.ac.cn, palmer@dabbelt.com, peterz@infradead.org, pjw@kernel.org, ravi.bangoria@amd.com, swapnil.sapkal@amd.com, tanze@kylinos.cn, thomas.falcon@intel.com, tianyou.li@intel.com, yujie.liu@intel.com, zhouquan@iscas.ac.cn Content-Type: text/plain; charset="UTF-8" Nearly all perf code ends up passing an evsel with the perf_sample, which is problematic if you want to rewrite the evsel such as with off-CPU processing - all uses of the evsel need fixing up. Previously I'd mailed this patch as an RFC with everything combined: https://lore.kernel.org/lkml/20260126071822.447368-1-irogers@google.com/ and there was a request to break it up. v8: Fix address sanitizer issues with kwork and move patches, along with bound check additions, to end of series. v7: Separate out kwork work->name to a strdup into its own patch, now patch 4. https://lore.kernel.org/linux-perf-users/20260408072601.210837-1-irogers@google.com/ v6: Address more Sashiko feedback. https://lore.kernel.org/lkml/20260404034325.3172592-1-irogers@google.com/ v5: Address feedback from Sashiko and Namhyung. https://lore.kernel.org/lkml/20260403204017.2919994-1-irogers@google.com/ v4: Fix more sashiko issues: bounds checks, memory safety, making refactors better, inconsistent evsels, mmap2 buildid injection choice of evsel, mismatched function arguments. https://sashiko.dev/#/patchset/20260320080835.724836-1-irogers%40google.com https://lore.kernel.org/lkml/20260320192627.368357-1-irogers@google.com/ v3: Fix various sashiko review comments particularly about unintended behavior changes. https://lore.kernel.org/lkml/20260320080835.724836-1-irogers@google.com/ v2: Add review feedback on the first 2 patches from Namhyung, fix a missed evsel assignment running event2evsel in builtin-inject. https://lore.kernel.org/lkml/20260319232334.287517-1-irogers@google.com/ v1: https://lore.kernel.org/lkml/20260209174032.4142096-1-irogers@google.com/ Ian Rogers (29): perf sample: Fix documentation typo perf tool: Remove evsel from tool APIs that pass the sample perf kvm: Don't pass evsel with sample perf evsel: Refactor evsel tracepoint sample accessors perf_sample perf trace: Don't pass evsel with sample perf callchain: Don't pass evsel and sample perf lock: Only pass sample to handlers perf lock: Constify trace_lock_handler variables perf hist: Remove evsel parameter from inc samples functions perf db-export: Remove evsel from struct export_sample perf hist: Remove evsel from struct hist_entry_iter perf report: Directly use sample->evsel to avoid computing from sample->id perf annotate: Don't pass evsel to add_sample perf inject: Don't pass evsel with sample perf kmem: Don't pass evsel with sample perf kwork: Don't pass evsel with sample perf sched: Don't pass evsel with sample perf timechart: Don't pass evsel with sample perf trace: Don't pass evsel with sample perf evlist: Try to avoid computing evsel from sample perf script: Don't pass evsel with sample perf s390-sample-raw: Don't pass evsel or its PMU with sample perf evsel: Don't pass evsel with sample perf kmem: Add bounds checks to tracepoint read values perf sched: Bounds check CPU in sched switch events perf timechart: Bounds check CPU perf evsel: Add bounds checking to trace point raw data accessors perf kwork: Fix address sanitizer issues perf kwork: Fix memory management of kwork_work tools/perf/builtin-annotate.c | 28 +- tools/perf/builtin-c2c.c | 6 +- tools/perf/builtin-diff.c | 5 +- tools/perf/builtin-inject.c | 75 +++--- tools/perf/builtin-kmem.c | 95 ++++--- tools/perf/builtin-kvm.c | 22 +- tools/perf/builtin-kwork.c | 250 +++++++++++------- tools/perf/builtin-lock.c | 121 ++++----- tools/perf/builtin-mem.c | 1 - tools/perf/builtin-record.c | 3 +- tools/perf/builtin-report.c | 38 ++- tools/perf/builtin-sched.c | 188 ++++++------- tools/perf/builtin-script.c | 22 +- tools/perf/builtin-timechart.c | 151 ++++++----- tools/perf/builtin-top.c | 19 +- tools/perf/builtin-trace.c | 121 +++++---- tools/perf/tests/hists_cumulate.c | 1 - tools/perf/tests/hists_filter.c | 1 - tools/perf/tests/hists_output.c | 1 - tools/perf/tests/mmap-basic.c | 4 +- tools/perf/tests/openat-syscall-tp-fields.c | 2 +- tools/perf/tests/switch-tracking.c | 9 +- tools/perf/util/annotate.c | 19 +- tools/perf/util/annotate.h | 6 +- tools/perf/util/build-id.c | 3 +- tools/perf/util/build-id.h | 7 +- tools/perf/util/callchain.c | 8 +- tools/perf/util/callchain.h | 6 +- tools/perf/util/data-convert-bt.c | 2 +- tools/perf/util/data-convert-json.c | 5 +- tools/perf/util/db-export.c | 13 +- tools/perf/util/db-export.h | 3 +- tools/perf/util/evsel.c | 86 ++++-- tools/perf/util/evsel.h | 12 +- tools/perf/util/hist.c | 26 +- tools/perf/util/hist.h | 3 +- tools/perf/util/intel-pt.c | 2 +- tools/perf/util/intel-tpebs.c | 3 +- tools/perf/util/jitdump.c | 2 +- .../perf/util/kvm-stat-arch/kvm-stat-arm64.c | 19 +- .../util/kvm-stat-arch/kvm-stat-loongarch.c | 17 +- .../util/kvm-stat-arch/kvm-stat-powerpc.c | 17 +- .../perf/util/kvm-stat-arch/kvm-stat-riscv.c | 17 +- tools/perf/util/kvm-stat-arch/kvm-stat-s390.c | 20 +- tools/perf/util/kvm-stat-arch/kvm-stat-x86.c | 70 ++--- tools/perf/util/kvm-stat.c | 19 +- tools/perf/util/kvm-stat.h | 18 +- tools/perf/util/kwork.h | 9 +- tools/perf/util/machine.c | 14 +- tools/perf/util/machine.h | 3 - tools/perf/util/s390-sample-raw.c | 31 ++- tools/perf/util/sample.h | 2 +- .../util/scripting-engines/trace-event-perl.c | 23 +- .../scripting-engines/trace-event-python.c | 47 ++-- tools/perf/util/session.c | 38 +-- tools/perf/util/synthetic-events.c | 58 +++- tools/perf/util/synthetic-events.h | 2 - tools/perf/util/tool.c | 4 +- tools/perf/util/tool.h | 4 +- tools/perf/util/trace-event-scripting.c | 5 +- tools/perf/util/trace-event.h | 3 - 61 files changed, 926 insertions(+), 883 deletions(-) -- 2.53.0.1213.gd9a14994de-goog