From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 420F820AF78; Tue, 14 Jan 2025 21:22:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736889778; cv=none; b=kz4LdihFyUehGgoIHm7Se+o2foG8di1di8co39a4RfM4ki+5d/6SErc8ZtH5tQDSJhM7ImxqbGQAWvrqFnGZxZ4an4qi/aPAUl3UohhWwx12J91bHTKuSIYpqjmfnwvEr2DsK/AeHXnfpycfoO1p2969PX/Qv/3++mOXkQ7aBoA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736889778; c=relaxed/simple; bh=61jHI45N/+UZU/azmB+G3qQIdOfBU8HAvam8BCjntbM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=shnDf6BpNTSsoh03VqEGIZ1Ot7qIO/3Xg26K9muZr3AKz+SS6dOx3gH6eCjBnplbdSn4l/NdyD60NH7r+/GXZXGrE534R269Y/djnr3B00kyLV8H6MTab/N3qop2zI6pAskRy9ES/Xyj2oNnUqen3EAGXSe//IQPvos5hhUJ4Us= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GXxYL5kr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GXxYL5kr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BBBE6C4CEDD; Tue, 14 Jan 2025 21:22:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736889778; bh=61jHI45N/+UZU/azmB+G3qQIdOfBU8HAvam8BCjntbM=; h=From:To:Cc:Subject:Date:From; b=GXxYL5krNI48K6rvNOtyqwTu7KF9EiMVGuH+sHRCiECO1x48mi0QSkLbFTPOlHNsj mvRde73K0Yo12U6Q7I569xWd1YZ0Z3kwvV7iodovhqPmInUh0aLC/+uKEiFkNuSIa1 gVWx80WzoHGxhAnUM+lCXHdYMowlHmOADFWKI2WGYagMhYQ5dpQA7GsExVbnh6GnDf hLSPW6+jPZ5dVqmz5ITIcetecoVYjKpReApNwdmdB7aJeD5C5uZ/g8Z4B66osCltbE ZyOJ4Gp+eZ7nubwaBT/3F2QT4Gfi7lcFs/8nIHT6nNwHnHpIJLd9lQ1C4g3nm7TSyy 8oXngOjBN1Uqw== From: Namhyung Kim To: Arnaldo Carvalho de Melo , Ian Rogers , Kan Liang Cc: Jiri Olsa , Adrian Hunter , Peter Zijlstra , Ingo Molnar , LKML , linux-perf-users@vger.kernel.org, Howard Chu Subject: [PATCH 0/4] perf trace: Add --system-summary option Date: Tue, 14 Jan 2025 13:22:52 -0800 Message-ID: <20250114212256.160730-1-namhyung@kernel.org> X-Mailer: git-send-email 2.48.0.rc2.279.g1de40edade-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hello, I've realized that perf trace shows system call summary at the end for each thread. But sometimes users want to see the global whole system summary or statistics instead. So I've added --system-summary option like below: $ sudo ./perf trace -as --system-summary sleep 1 Summary of events: total, 21580 events syscall calls errors total min avg max stddev (msec) (msec) (msec) (msec) (%) --------------- -------- ------ -------- --------- --------- --------- ------ epoll_wait 1305 0 14716.712 0.000 11.277 551.529 8.87% futex 1256 89 13331.197 0.000 10.614 733.722 15.49% poll 669 0 6806.618 0.000 10.174 459.316 11.77% ppoll 220 0 3968.797 0.000 18.040 516.775 25.35% clock_nanosleep 1 0 1000.027 1000.027 1000.027 1000.027 0.00% epoll_pwait 21 0 592.783 0.000 28.228 522.293 88.29% nanosleep 16 0 60.515 0.000 3.782 10.123 33.33% ioctl 510 0 4.284 0.001 0.008 0.182 8.84% recvmsg 1434 775 3.497 0.001 0.002 0.174 6.37% write 1393 0 2.854 0.001 0.002 0.017 1.79% read 1063 100 2.236 0.000 0.002 0.083 5.11% ... This patchset is on top of (but not necessarily depends on) my system call sampling patch. https://lore.kernel.org/r/20241219183400.350308-1-namhyung@kernel.org Thanks, Namhyung Namhyung Kim (4): perf trace: Allocate syscall stats only if summary is on perf trace: Convert syscall_stats to hashmap perf tools: Get rid of now-unused rb_resort.h perf trace: Add --system-summary option tools/perf/Documentation/perf-trace.txt | 3 + tools/perf/builtin-trace.c | 222 +++++++++++++++++++----- tools/perf/util/rb_resort.h | 146 ---------------- 3 files changed, 178 insertions(+), 193 deletions(-) delete mode 100644 tools/perf/util/rb_resort.h -- 2.48.0.rc2.279.g1de40edade-goog