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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2503C433EF for ; Tue, 7 Dec 2021 14:52:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238268AbhLGO4H (ORCPT ); Tue, 7 Dec 2021 09:56:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229455AbhLGO4G (ORCPT ); Tue, 7 Dec 2021 09:56:06 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B053EC061574 for ; Tue, 7 Dec 2021 06:52:35 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id C205CCE1B22 for ; Tue, 7 Dec 2021 14:52:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2AE1C341C1; Tue, 7 Dec 2021 14:52:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638888752; bh=UPlYzu8zK9sCxqUM9Z3ruJ57CLQ7PFmjIvjY+14o3k4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RY6Z8lGq7kmQODbw3MeMmyzDwJlRCy3kFLCsMmD/lyM2/bDI+WoqKXeEkLJhHKbfq rVCRAI9e1f1y7E+gFqtzmWo/he9Z+cY9n/XY4yW5vtN+7xYIcXZlw3OoZ5p4FsJQT6 89uDV8c6/1sc591snay8gTL0q0QChgD2qjVjRp5xPXHrxA7N9Wgti6wKQJmgwE7oJb xUili3TjOke0Wkrx87wdo7JSPIKpIIFB1wxX7EUuoxvPJXUlWpzI5OF7fv9H+XZPuH QOBFnNQDx4MSbZw4HBW5e+KIpjEb0I/sxrAX79p5oU5YHyu6L8uL6JzS0gIl9OkNph fPkE+/8XMTDdw== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id D1FBC406C1; Tue, 7 Dec 2021 11:52:29 -0300 (-03) Date: Tue, 7 Dec 2021 11:52:29 -0300 From: Arnaldo Carvalho de Melo To: Athira Rajeev Cc: jolsa@kernel.org, mpe@ellerman.id.au, linux-perf-users@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, maddy@linux.vnet.ibm.com, rnsastry@linux.ibm.com, kjain@linux.ibm.com, namhyung@kernel.org Subject: Re: [PATCH V2 1/2] tools/perf: Include global and local variants for p_stage_cyc sort key Message-ID: References: <20211203022038.48240-1-atrajeev@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211203022038.48240-1-atrajeev@linux.vnet.ibm.com> X-Url: http://acmel.wordpress.com Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Em Fri, Dec 03, 2021 at 07:50:37AM +0530, Athira Rajeev escreveu: > Sort key p_stage_cyc is used to present the latency > cycles spend in pipeline stages. perf tool has local > p_stage_cyc sort key to display this info. There is no > global variant available for this sort key. local variant > shows latency in a sinlge sample, whereas, global value > will be useful to present the total latency (sum of > latencies) in the hist entry. It represents latency > number multiplied by the number of samples. > > Add global (p_stage_cyc) and local variant > (local_p_stage_cyc) for this sort key. Use the > local_p_stage_cyc as default option for "mem" sort mode. > Also add this to list of dynamic sort keys and made the > "dynamic_headers" and "arch_specific_sort_keys" as static. > > Signed-off-by: Athira Rajeev > Reported-by: Namhyung Kim I got this for v1, does it stand for v2? Tested-by: Nageswara R Sastry > --- > Changelog: > v1 -> v2: > Addressed review comments from Jiri by making the > "dynamic_headers" and "arch_specific_sort_keys" > as static. > > tools/perf/util/hist.c | 4 +++- > tools/perf/util/hist.h | 3 ++- > tools/perf/util/sort.c | 34 +++++++++++++++++++++++++--------- > tools/perf/util/sort.h | 3 ++- > 4 files changed, 32 insertions(+), 12 deletions(-) > > diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c > index b776465e04ef..0a8033b09e28 100644 > --- a/tools/perf/util/hist.c > +++ b/tools/perf/util/hist.c > @@ -211,7 +211,9 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) > hists__new_col_len(hists, HISTC_MEM_BLOCKED, 10); > hists__new_col_len(hists, HISTC_LOCAL_INS_LAT, 13); > hists__new_col_len(hists, HISTC_GLOBAL_INS_LAT, 13); > - hists__new_col_len(hists, HISTC_P_STAGE_CYC, 13); > + hists__new_col_len(hists, HISTC_LOCAL_P_STAGE_CYC, 13); > + hists__new_col_len(hists, HISTC_GLOBAL_P_STAGE_CYC, 13); > + > if (symbol_conf.nanosecs) > hists__new_col_len(hists, HISTC_TIME, 16); > else > diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h > index 621f35ae1efa..2a15e22fb89c 100644 > --- a/tools/perf/util/hist.h > +++ b/tools/perf/util/hist.h > @@ -75,7 +75,8 @@ enum hist_column { > HISTC_MEM_BLOCKED, > HISTC_LOCAL_INS_LAT, > HISTC_GLOBAL_INS_LAT, > - HISTC_P_STAGE_CYC, > + HISTC_LOCAL_P_STAGE_CYC, > + HISTC_GLOBAL_P_STAGE_CYC, > HISTC_NR_COLS, /* Last entry */ > }; > > diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c > index a111065b484e..e417e47f51b9 100644 > --- a/tools/perf/util/sort.c > +++ b/tools/perf/util/sort.c > @@ -37,7 +37,7 @@ const char default_parent_pattern[] = "^sys_|^do_page_fault"; > const char *parent_pattern = default_parent_pattern; > const char *default_sort_order = "comm,dso,symbol"; > const char default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles"; > -const char default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked,blocked,local_ins_lat,p_stage_cyc"; > +const char default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked,blocked,local_ins_lat,local_p_stage_cyc"; > const char default_top_sort_order[] = "dso,symbol"; > const char default_diff_sort_order[] = "dso,symbol"; > const char default_tracepoint_sort_order[] = "trace"; > @@ -46,8 +46,8 @@ const char *field_order; > regex_t ignore_callees_regex; > int have_ignore_callees = 0; > enum sort_mode sort__mode = SORT_MODE__NORMAL; > -const char *dynamic_headers[] = {"local_ins_lat", "p_stage_cyc"}; > -const char *arch_specific_sort_keys[] = {"p_stage_cyc"}; > +static const char *const dynamic_headers[] = {"local_ins_lat", "ins_lat", "local_p_stage_cyc", "p_stage_cyc"}; > +static const char *const arch_specific_sort_keys[] = {"local_p_stage_cyc", "p_stage_cyc"}; > > /* > * Replaces all occurrences of a char used with the: > @@ -1392,22 +1392,37 @@ struct sort_entry sort_global_ins_lat = { > }; > > static int64_t > -sort__global_p_stage_cyc_cmp(struct hist_entry *left, struct hist_entry *right) > +sort__p_stage_cyc_cmp(struct hist_entry *left, struct hist_entry *right) > { > return left->p_stage_cyc - right->p_stage_cyc; > } > > +static int hist_entry__global_p_stage_cyc_snprintf(struct hist_entry *he, char *bf, > + size_t size, unsigned int width) > +{ > + return repsep_snprintf(bf, size, "%-*u", width, > + he->p_stage_cyc * he->stat.nr_events); > +} > + > + > static int hist_entry__p_stage_cyc_snprintf(struct hist_entry *he, char *bf, > size_t size, unsigned int width) > { > return repsep_snprintf(bf, size, "%-*u", width, he->p_stage_cyc); > } > > -struct sort_entry sort_p_stage_cyc = { > - .se_header = "Pipeline Stage Cycle", > - .se_cmp = sort__global_p_stage_cyc_cmp, > +struct sort_entry sort_local_p_stage_cyc = { > + .se_header = "Local Pipeline Stage Cycle", > + .se_cmp = sort__p_stage_cyc_cmp, > .se_snprintf = hist_entry__p_stage_cyc_snprintf, > - .se_width_idx = HISTC_P_STAGE_CYC, > + .se_width_idx = HISTC_LOCAL_P_STAGE_CYC, > +}; > + > +struct sort_entry sort_global_p_stage_cyc = { > + .se_header = "Pipeline Stage Cycle", > + .se_cmp = sort__p_stage_cyc_cmp, > + .se_snprintf = hist_entry__global_p_stage_cyc_snprintf, > + .se_width_idx = HISTC_GLOBAL_P_STAGE_CYC, > }; > > struct sort_entry sort_mem_daddr_sym = { > @@ -1858,7 +1873,8 @@ static struct sort_dimension common_sort_dimensions[] = { > DIM(SORT_CODE_PAGE_SIZE, "code_page_size", sort_code_page_size), > DIM(SORT_LOCAL_INS_LAT, "local_ins_lat", sort_local_ins_lat), > DIM(SORT_GLOBAL_INS_LAT, "ins_lat", sort_global_ins_lat), > - DIM(SORT_PIPELINE_STAGE_CYC, "p_stage_cyc", sort_p_stage_cyc), > + DIM(SORT_LOCAL_PIPELINE_STAGE_CYC, "local_p_stage_cyc", sort_local_p_stage_cyc), > + DIM(SORT_GLOBAL_PIPELINE_STAGE_CYC, "p_stage_cyc", sort_global_p_stage_cyc), > }; > > #undef DIM > diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h > index 7b7145501933..f994261888e1 100644 > --- a/tools/perf/util/sort.h > +++ b/tools/perf/util/sort.h > @@ -235,7 +235,8 @@ enum sort_type { > SORT_CODE_PAGE_SIZE, > SORT_LOCAL_INS_LAT, > SORT_GLOBAL_INS_LAT, > - SORT_PIPELINE_STAGE_CYC, > + SORT_LOCAL_PIPELINE_STAGE_CYC, > + SORT_GLOBAL_PIPELINE_STAGE_CYC, > > /* branch stack specific sort keys */ > __SORT_BRANCH_STACK, > -- > 2.33.0 -- - Arnaldo