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 E3B1D8BEC; Thu, 30 Jan 2025 03:05:26 +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=1738206327; cv=none; b=AO/k+yus2P2YzMIE4N/zXd1jDvXwuMiDAoXjyyNPYFYJQxKrBY4xCSWduHLwD+e2Jg7BpGAGcuzJWu56szkR8h+VhYfne3LP4wG8GUjP1vD+UmFNn+SYEAGz3eR6wWEVZTXUZjuSI25wujYJpdjpA4kUv/2furkAmvHQf67Q0CE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738206327; c=relaxed/simple; bh=ncr38Mw95epPDAj1M2Fo7DYw4ha8nWMWZikJd2uPCig=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=KecCJOc95w8vg0k6E5u3uPRPH/uLaN4Eng9pWVuzih/B+SYV91kHE+Tilp2zMQ8vpY9sBtMXrZ2y97h4Goi03YECWtI4KFKh8Apy8oqplrPnTe9Qcj6opV3vG9zqGnih3FaNktkoSWhkhMMKOFG67Dvr6RUFJRLZvsluLScys4k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A5cYTlDn; 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="A5cYTlDn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1B79C4CED1; Thu, 30 Jan 2025 03:05:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738206326; bh=ncr38Mw95epPDAj1M2Fo7DYw4ha8nWMWZikJd2uPCig=; h=From:To:Cc:Subject:Date:From; b=A5cYTlDnryUSFaO2Xo2oE6ehhP6n6zEcu9bzkhi+mGR079huwXqnvqwx+ahSYt1Mr zK/WkjSE6gHNS55mOvYtX1ltPeaova6YkuqReGy/8vihKqe9AIKSZqSApI2GLjzUfS B+mLJ3ugRX0anTaxLi/ZVUEOXU2z8cZcFJalOKEolbjONCBrOl278DU/jGEEykH2DY CQydbQWoQZIvRRli+Il9HIvuL5nAKkEiax0hi546ToUcQymNZnVEebPgAGDSGlRMDG 3IqQJaeduXFnPlXR6DBnczXGbGr+WUp3eQnkNiwZvpUIJTq83IPEpDyBQ4Gy+F/nkg vmjJdfRJL3Miw== 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 v2 0/4] perf trace: Add --summary-mode option Date: Wed, 29 Jan 2025 19:05:21 -0800 Message-ID: <20250130030525.1482498-1-namhyung@kernel.org> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-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 --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. 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 | 252 +++++++++++++++++++----- tools/perf/util/rb_resort.h | 146 -------------- 3 files changed, 208 insertions(+), 194 deletions(-) delete mode 100644 tools/perf/util/rb_resort.h -- 2.48.1.262.g85cc9f2d1e-goog