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 D964521423A; Wed, 5 Feb 2025 20:54:44 +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=1738788885; cv=none; b=nzWObOPPC49d5uBxjMcqxFbk+js2PxQJjtlkmg1bzvAVkd2R+doUVASizF28LQvVbN+b6e+aeMN1hevO5YBbSnKFV7ODAUHGlV50dlsGHhcqC8AOH1rv+YCxhU8ljR6dBQ0TPWtHZ8fNlJc12vWIKFlwkwPtucIbd8d6xlZiBuk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738788885; c=relaxed/simple; bh=qW1/tokewwrr7dHGg+c3qpiuiMGzPpt3a8q4viUCY1k=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=WAgYcZFCsWhHO9fXNV6EKRziF7999ZXv70LCFFMjEg47S/Owe0Q0FJg+8CC8cpi9lElJlWc/whrzN53gryKSTurz9dyFlsWiR/e9DjlF2mFI6nCEX4dh4qpfXvChAkphFc65iKBrgLel2ZIB838ietwdilpSb5ycL4B2xotw6rs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=baS9uUjO; 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="baS9uUjO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 500F4C4CEEA; Wed, 5 Feb 2025 20:54:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738788884; bh=qW1/tokewwrr7dHGg+c3qpiuiMGzPpt3a8q4viUCY1k=; h=From:To:Cc:Subject:Date:From; b=baS9uUjOEkJVYIpggR4O/q8UntSeqAyq5Lb3xdusnX8oubUbGya8n2sidLjsh2jI2 kz9TcTmjEzv7dK1Z8i5JKH9MBXPOp0/XcvzRPo47vFe7cR11A4O168fMYLbB/+LoM6 j++cGdgbg9QN5bkGFU/TgQkW6w+h7RECErsy37ThdHsOSq0JshxOycNvq3LtvHQTh2 lNBTFsuM7MdYEzcAWefwLQdsevBN2/LA/XBCnonNi8kpf0zWnbd7BlR5ztema5d1/g PkWjp3BppepbMAernmoiChXCf6Lo0fZGulqjZwSvxvNd4QkGp6afdZWsOmrJxakn/F KnzXrhW4M3sAA== 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 v3 0/4] perf trace: Add --summary-mode option Date: Wed, 5 Feb 2025 12:54:39 -0800 Message-ID: <20250205205443.1986408-1-namhyung@kernel.org> X-Mailer: git-send-email 2.48.1.502.g6dc24dfdaf-goog Precedence: bulk X-Mailing-List: linux-perf-users@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 --summary-mode option like below: $ sudo ./perf trace -as --summary-mode=total 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% ... Also it changes internal data structure to hash table to track statistics of syscalls. And removes the rb_resort code. v3 changes) * Add Acked-by from Howard * Update commit messages (Ian) v2 changes) * Rebase to current perf-tools-next * Fix some style issues (Howard) * Rename to --summary-mode (Howard) 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 --summary-mode option tools/perf/Documentation/perf-trace.txt | 4 + tools/perf/builtin-trace.c | 247 +++++++++++++++++++----- tools/perf/util/rb_resort.h | 146 -------------- 3 files changed, 203 insertions(+), 194 deletions(-) delete mode 100644 tools/perf/util/rb_resort.h -- 2.48.1.502.g6dc24dfdaf-goog