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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 3349DC43381 for ; Sat, 16 Mar 2019 14:11:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0AAA6218FE for ; Sat, 16 Mar 2019 14:11:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727062AbfCPOLr (ORCPT ); Sat, 16 Mar 2019 10:11:47 -0400 Received: from mga01.intel.com ([192.55.52.88]:9778 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726064AbfCPOLr (ORCPT ); Sat, 16 Mar 2019 10:11:47 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Mar 2019 07:11:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,486,1544515200"; d="scan'208";a="152968193" Received: from linux.intel.com ([10.54.29.200]) by fmsmga004.fm.intel.com with ESMTP; 16 Mar 2019 07:11:46 -0700 Received: from [10.252.10.233] (abudanko-mobl.ccr.corp.intel.com [10.252.10.233]) by linux.intel.com (Postfix) with ESMTP id DEB1158028E; Sat, 16 Mar 2019 07:11:43 -0700 (PDT) Subject: [PATCH v9 03/12] perf session: define bytes_transferred and bytes_compressed metrics From: Alexey Budankov To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Namhyung Kim , Alexander Shishkin , Ingo Molnar , Peter Zijlstra , Andi Kleen , linux-kernel References: Organization: Intel Corp. Message-ID: <467278b1-81aa-f247-6e45-63437c474fda@linux.intel.com> Date: Sat, 16 Mar 2019 17:11:42 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Define bytes_transferred and bytes_compressed metrics to calculate ratio in the end of the data collection: compression ratio = bytes_transferred / bytes_compressed bytes_transferred accumulates the amount of bytes that was extracted from the mmaped kernel buffers for compression. bytes_compressed accumulates the amount of bytes that was received after applying compression. Signed-off-by: Alexey Budankov --- 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 f55302dec440..51b7f23a0c7a 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1166,6 +1166,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) struct perf_session *session; bool disabled = false, draining = false; int fd; + float ratio = 0; atexit(record__sig_exit); signal(SIGCHLD, sig_handler); @@ -1463,6 +1464,11 @@ 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; @@ -1509,9 +1515,15 @@ 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 d01b8355f4ca..fb39e9af128f 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -64,6 +64,7 @@ struct perf_env { struct memory_node *memory_nodes; unsigned long long memory_bsize; u64 clockid_res_ns; + u32 comp_ratio; }; extern struct perf_env perf_env; 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