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=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 DD985C43381 for ; Fri, 12 Mar 2021 12:58:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC8AA64FF5 for ; Fri, 12 Mar 2021 12:58:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231480AbhCLM5m (ORCPT ); Fri, 12 Mar 2021 07:57:42 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:32942 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231441AbhCLM5N (ORCPT ); Fri, 12 Mar 2021 07:57:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615553832; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=eMDB4smPKXpj13VyYw6JScKxmvyMa7ikPfuNl9CjCjM=; b=OmQDPNOLMLWHzeWUlIV6WvWOOd5CByo4V0V4HAqOsCJyBk+bOVUvfcMCgdP9BHs611hvkM wt5AMYwXFZxV8w2QlUwvCnZZNuWL38rNHgEyQtFzluB7F3iTsmugcYtv78AOcYLAlEbU/o LNBkcaS/6tZpsbRFMxN5b/Dfjpp17D8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-78-CYeILR2XPRaZIlLezxAVSA-1; Fri, 12 Mar 2021 07:57:08 -0500 X-MC-Unique: CYeILR2XPRaZIlLezxAVSA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1223E108BD06; Fri, 12 Mar 2021 12:57:07 +0000 (UTC) Received: from krava (unknown [10.40.192.54]) by smtp.corp.redhat.com (Postfix) with SMTP id 5A26410016FB; Fri, 12 Mar 2021 12:57:04 +0000 (UTC) Date: Fri, 12 Mar 2021 13:57:03 +0100 From: Jiri Olsa To: Athira Rajeev Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mpe@ellerman.id.au, acme@kernel.org, jolsa@kernel.org, maddy@linux.ibm.com, ravi.bangoria@linux.ibm.com, kjain@linux.ibm.com, kan.liang@linux.intel.com, peterz@infradead.org Subject: Re: [PATCH 2/4] tools/perf: Add dynamic headers for perf report columns Message-ID: References: <1615298640-1529-1-git-send-email-atrajeev@linux.vnet.ibm.com> <1615298640-1529-3-git-send-email-atrajeev@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1615298640-1529-3-git-send-email-atrajeev@linux.vnet.ibm.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 09, 2021 at 09:03:58AM -0500, Athira Rajeev wrote: > Currently the header string for different columns in perf report > is fixed. Some fields of perf sample could have different meaning > for different architectures than the meaning conveyed by the header > string. An example is the new field 'var2_w' of perf_sample_weight > structure. This is presently captured as 'Local INSTR Latency' in > perf mem report. But this could be used to denote a different latency > cycle in another architecture. > > Introduce a weak function arch_perf_header_entry__add() to set > the arch specific header string for the fields which can contain dynamic > header. If the architecture do not have this function, fall back to the > default header string value. > > Signed-off-by: Athira Rajeev > --- > tools/perf/util/event.h | 1 + > tools/perf/util/sort.c | 19 ++++++++++++++++++- > 2 files changed, 19 insertions(+), 1 deletion(-) > > diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h > index f603edbbbc6f..89b149e2e70a 100644 > --- a/tools/perf/util/event.h > +++ b/tools/perf/util/event.h > @@ -427,5 +427,6 @@ void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct per > > void arch_perf_parse_sample_weight(struct perf_sample *data, const __u64 *array, u64 type); > void arch_perf_synthesize_sample_weight(const struct perf_sample *data, __u64 *array, u64 type); > +const char *arch_perf_header_entry__add(const char *se_header); > > #endif /* __PERF_RECORD_H */ > diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c > index 0d5ad42812b9..741a6df29fa0 100644 > --- a/tools/perf/util/sort.c > +++ b/tools/perf/util/sort.c > @@ -25,6 +25,7 @@ > #include > #include "mem-events.h" > #include "annotate.h" > +#include "event.h" > #include "time-utils.h" > #include "cgroup.h" > #include "machine.h" > @@ -45,6 +46,7 @@ > 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"}; > > /* > * Replaces all occurrences of a char used with the: > @@ -1816,6 +1818,16 @@ struct sort_dimension { > int taken; > }; > > +const char * __weak arch_perf_header_entry__add(const char *se_header) no need for the __add suffix in here jirka > +{ > + return se_header; > +} > + > +static void sort_dimension_add_dynamic_header(struct sort_dimension *sd) > +{ > + sd->entry->se_header = arch_perf_header_entry__add(sd->entry->se_header); > +} > + > #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) } > > static struct sort_dimension common_sort_dimensions[] = { > @@ -2739,11 +2751,16 @@ int sort_dimension__add(struct perf_hpp_list *list, const char *tok, > struct evlist *evlist, > int level) > { > - unsigned int i; > + unsigned int i, j; > > for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) { > struct sort_dimension *sd = &common_sort_dimensions[i]; > > + for (j = 0; j < ARRAY_SIZE(dynamic_headers); j++) { > + if (!strcmp(dynamic_headers[j], sd->name)) > + sort_dimension_add_dynamic_header(sd); > + } > + > if (strncasecmp(tok, sd->name, strlen(tok))) > continue; > > -- > 1.8.3.1 >