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=-10.1 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 E2FFEC3A5A4 for ; Sun, 1 Sep 2019 12:25:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A4B4D233A2 for ; Sun, 1 Sep 2019 12:25:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567340732; bh=hL6XtUm1WRXCPE18+CEZF6ihu87h60nnPAYPrD/egfY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uoRWP4VSPpYDf+RxtrjBjdf4vbKC4okOwnVwaegEWt0pTinuWqYs2Fw6/0yZcrRFq brsgwUhRRMBFdqmvWZxOZHXoM2HBiLRwfGJgC3LXIjFz3StHun94t3gHx1xYWotckP dpRa7Y/ipUrZHRJ0TskpoUrQldIHqTHlKej42Rn0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729300AbfIAMZb (ORCPT ); Sun, 1 Sep 2019 08:25:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:42864 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729290AbfIAMZ3 (ORCPT ); Sun, 1 Sep 2019 08:25:29 -0400 Received: from quaco.ghostprotocols.net (unknown [179.97.35.50]) (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 8CEE723429; Sun, 1 Sep 2019 12:25:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567340728; bh=hL6XtUm1WRXCPE18+CEZF6ihu87h60nnPAYPrD/egfY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vo3AlIvFZzWg9V3UWnsLF6YKmZFc3UsJsEOl8+h2HluVWnPA9nzU9p0CK+mqRlqCi mGFbGG4PfJ6e6sJZkLrO/lqmeobPXcXIwtn0TU0aQkqgAYzVXFIc/eQNYGQ3LNrDFe mSIBdF2K+CCt6n76osvj5YfRy2ilDZHjJN8ztdm0= 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, Jin Yao , Alexander Shishkin , Andi Kleen , Kan Liang , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 39/47] perf metricgroup: Scale the metric result Date: Sun, 1 Sep 2019 09:23:18 -0300 Message-Id: <20190901122326.5793-40-acme@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190901122326.5793-1-acme@kernel.org> References: <20190901122326.5793-1-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: Jin Yao Some metrics define the scale unit, such as { "BriefDescription": "Intel Optane DC persistent memory read latency (ns). Derived from unc_m_pmm_rpq_occupancy.all", "Counter": "0,1,2,3", "EventCode": "0xE0", "EventName": "UNC_M_PMM_READ_LATENCY", "MetricExpr": "UNC_M_PMM_RPQ_OCCUPANCY.ALL / UNC_M_PMM_RPQ_INSERTS / UNC_M_CLOCKTICKS", "MetricName": "UNC_M_PMM_READ_LATENCY", "PerPkg": "1", "ScaleUnit": "6000000000ns", "UMask": "0x1", "Unit": "iMC" }, For above example, the ratio should be, ratio = (UNC_M_PMM_RPQ_OCCUPANCY.ALL / UNC_M_PMM_RPQ_INSERTS / UNC_M_CLOCKTICKS) * 6000000000 But in current code, the ratio is not scaled ( * 6000000000) With this patch, the ratio is scaled and the unit (ns) is printed. For example, # 219.4 ns UNC_M_PMM_READ_LATENCY Signed-off-by: Jin Yao Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Kan Liang Cc: Peter Zijlstra Link: http://lore.kernel.org/lkml/20190828055932.8269-4-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/metricgroup.c | 3 +++ tools/perf/util/metricgroup.h | 1 + tools/perf/util/stat-shadow.c | 38 +++++++++++++++++++++++++---------- 3 files changed, 31 insertions(+), 11 deletions(-) diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 33f5e2101874..f474a29f1b69 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -87,6 +87,7 @@ struct egroup { const char **ids; const char *metric_name; const char *metric_expr; + const char *metric_unit; }; static bool record_evsel(int *ind, struct evsel **start, @@ -182,6 +183,7 @@ static int metricgroup__setup_events(struct list_head *groups, } expr->metric_expr = eg->metric_expr; expr->metric_name = eg->metric_name; + expr->metric_unit = eg->metric_unit; expr->metric_events = metric_events; list_add(&expr->nd, &me->head); } @@ -453,6 +455,7 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events, eg->idnum = idnum; eg->metric_name = pe->metric_name; eg->metric_expr = pe->metric_expr; + eg->metric_unit = pe->unit; list_add_tail(&eg->nd, group_list); ret = 0; } diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h index e5092f6404ae..475c7f912864 100644 --- a/tools/perf/util/metricgroup.h +++ b/tools/perf/util/metricgroup.h @@ -20,6 +20,7 @@ struct metric_expr { struct list_head nd; const char *metric_expr; const char *metric_name; + const char *metric_unit; struct evsel **metric_events; }; diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 2ed5e0066c70..696d263f6eb6 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -715,6 +715,7 @@ static void generic_metric(struct perf_stat_config *config, struct evsel **metric_events, char *name, const char *metric_name, + const char *metric_unit, double avg, int cpu, struct perf_stat_output_ctx *out, @@ -722,7 +723,7 @@ static void generic_metric(struct perf_stat_config *config, { print_metric_t print_metric = out->print_metric; struct parse_ctx pctx; - double ratio; + double ratio, scale; int i; void *ctxp = out->ctx; char *n, *pn; @@ -732,7 +733,6 @@ static void generic_metric(struct perf_stat_config *config, for (i = 0; metric_events[i]; i++) { struct saved_value *v; struct stats *stats; - double scale; if (!strcmp(metric_events[i]->name, "duration_time")) { stats = &walltime_nsecs_stats; @@ -762,16 +762,32 @@ static void generic_metric(struct perf_stat_config *config, if (!metric_events[i]) { const char *p = metric_expr; - if (expr__parse(&ratio, &pctx, &p) == 0) - print_metric(config, ctxp, NULL, "%8.1f", - metric_name ? - metric_name : - out->force_header ? name : "", - ratio); - else + if (expr__parse(&ratio, &pctx, &p) == 0) { + char *unit; + char metric_bf[64]; + + if (metric_unit && metric_name) { + if (perf_pmu__convert_scale(metric_unit, + &unit, &scale) >= 0) { + ratio *= scale; + } + + scnprintf(metric_bf, sizeof(metric_bf), + "%s %s", unit, metric_name); + print_metric(config, ctxp, NULL, "%8.1f", + metric_bf, ratio); + } else { + print_metric(config, ctxp, NULL, "%8.1f", + metric_name ? + metric_name : + out->force_header ? name : "", + ratio); + } + } else { print_metric(config, ctxp, NULL, NULL, out->force_header ? (metric_name ? metric_name : name) : "", 0); + } } else print_metric(config, ctxp, NULL, NULL, "", 0); @@ -992,7 +1008,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, print_metric(config, ctxp, NULL, NULL, name, 0); } else if (evsel->metric_expr) { generic_metric(config, evsel->metric_expr, evsel->metric_events, evsel->name, - evsel->metric_name, avg, cpu, out, st); + evsel->metric_name, NULL, avg, cpu, out, st); } else if (runtime_stat_n(st, STAT_NSECS, 0, cpu) != 0) { char unit = 'M'; char unit_buf[10]; @@ -1021,7 +1037,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, out->new_line(config, ctxp); generic_metric(config, mexp->metric_expr, mexp->metric_events, evsel->name, mexp->metric_name, - avg, cpu, out, st); + mexp->metric_unit, avg, cpu, out, st); } } if (num == 0) -- 2.21.0