From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5F94C04AB4 for ; Fri, 17 May 2019 19:39:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9789121726 for ; Fri, 17 May 2019 19:39:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558121999; bh=AnT5X/D2I2Fxx6E7taNVvTD5H6XtqDdzYk62kfskvUA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ZnNuMwkc0ybbJ/ew1dPPsC0fOKjz+9+Qa1Ia07epqoybqEUh6O9KsK9Y+XQkjBv1c nHgXwJn7OtfurfH0ZrTGMSe42ZNKXyTJMcASNkeLzI9aXJI6NdJZbEDCFNg67BsMiv 7f+7kDRkvnbpwlunfl3oJIVUp4cdYxOVRHO9gRIo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729639AbfEQTj6 (ORCPT ); Fri, 17 May 2019 15:39:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:56336 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729881AbfEQTjy (ORCPT ); Fri, 17 May 2019 15:39:54 -0400 Received: from quaco.ghostprotocols.net (unknown [190.15.121.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BC80F216FD; Fri, 17 May 2019 19:39:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558121993; bh=AnT5X/D2I2Fxx6E7taNVvTD5H6XtqDdzYk62kfskvUA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Et/HOTljgMsJBrCFqc61w9kvIDCl1oqpROm1hxJLX7Cg71rZqVY0jAmaCuJuvwR+0 JT3HgmRgRHgZcDkG7u3IPXv4P1HM87XuHwkOFkU6B3wNAQKhtE+V6SjaCrodYsBzh3 +QnBni3FZopvKvYRHE/jOnJ2GrM3kAys6uUmDWKs= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Alexey Budankov , Alexander Shishkin , Andi Kleen , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 48/73] perf session: Define 'bytes_transferred' and 'bytes_compressed' metrics Date: Fri, 17 May 2019 16:35:46 -0300 Message-Id: <20190517193611.4974-49-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190517193611.4974-1-acme@kernel.org> References: <20190517193611.4974-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexey Budankov Define 'bytes_transferred' and 'bytes_compressed' metrics to calculate ratio in the end of the data collection: compression ratio = bytes_transferred / bytes_compressed The 'bytes_transferred' metric accumulates the amount of bytes that was extracted from the mmaped kernel buffers for compression, while 'bytes_compressed' accumulates the amount of bytes that was received after applying compression. Signed-off-by: Alexey Budankov Reviewed-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1d4bf499-cb03-26dc-6fc6-f14fec7622ce@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 14 +++++++++++++- tools/perf/util/env.h | 1 + tools/perf/util/session.h | 2 ++ 3 files changed, 16 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d2b5a22b7249..386e665a166f 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1186,6 +1186,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) bool disabled = false, draining = false; struct perf_evlist *sb_evlist = NULL; int fd; + float ratio = 0; atexit(record__sig_exit); signal(SIGCHLD, sig_handler); @@ -1491,6 +1492,11 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) record__mmap_read_all(rec, true); record__aio_mmap_read_sync(rec); + if (rec->session->bytes_transferred && rec->session->bytes_compressed) { + ratio = (float)rec->session->bytes_transferred/(float)rec->session->bytes_compressed; + session->header.env.comp_ratio = ratio + 0.5; + } + if (forks) { int exit_status; @@ -1537,9 +1543,15 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) else samples[0] = '\0'; - fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s%s%s ]\n", + fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s%s%s", perf_data__size(data) / 1024.0 / 1024.0, data->path, postfix, samples); + if (ratio) { + fprintf(stderr, ", compressed (original %.3f MB, ratio is %.3f)", + rec->session->bytes_transferred / 1024.0 / 1024.0, + ratio); + } + fprintf(stderr, " ]\n"); } out_delete_session: diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index 4f8e2b485c01..34868ca7efd1 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -62,6 +62,7 @@ struct perf_env { struct cpu_topology_map *cpu; struct cpu_cache_level *caches; int caches_cnt; + u32 comp_ratio; struct numa_node *numa_nodes; struct memory_node *memory_nodes; unsigned long long memory_bsize; diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index d96eccd7d27f..0e14884f28b2 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -35,6 +35,8 @@ struct perf_session { struct ordered_events ordered_events; struct perf_data *data; struct perf_tool *tool; + u64 bytes_transferred; + u64 bytes_compressed; }; struct perf_tool; -- 2.20.1