From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Olsa Subject: Re: [PATCH v5 08/11] perf/tools: Refactoring metricgroup__add_metric function Date: Tue, 17 Mar 2020 16:10:30 +0100 Message-ID: <20200317151030.GE757893@krava> References: <20200317062333.14555-1-kjain@linux.ibm.com> <20200317062333.14555-9-kjain@linux.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20200317062333.14555-9-kjain@linux.ibm.com> Sender: linux-kernel-owner@vger.kernel.org To: Kajol Jain Cc: acme@kernel.org, linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au, sukadev@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, anju@linux.vnet.ibm.com, maddy@linux.vnet.ibm.com, ravi.bangoria@linux.ibm.com, peterz@infradead.org, yao.jin@linux.intel.com, ak@linux.intel.com, jolsa@kernel.org, kan.liang@linux.intel.com, jmario@redhat.com, alexander.shishkin@linux.intel.com, mingo@kernel.org, paulus@ozlabs.org, namhyung@kernel.org, mpetlan@redhat.com, gregkh@linuxfoundation.org, benh@kernel.crashing.org, mamatha4@linux.vnet.ibm.com, mark.rutland@arm.com, tglx@linutronix.de List-Id: linux-perf-users.vger.kernel.org On Tue, Mar 17, 2020 at 11:53:30AM +0530, Kajol Jain wrote: > This patch refactor metricgroup__add_metric function where > some part of it move to function metricgroup__add_metric_param. > No logic change. > > Signed-off-by: Kajol Jain > --- > tools/perf/util/metricgroup.c | 63 +++++++++++++++++++++-------------- > 1 file changed, 38 insertions(+), 25 deletions(-) > > diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c > index c3a8c701609a..b4919bcfbd8b 100644 > --- a/tools/perf/util/metricgroup.c > +++ b/tools/perf/util/metricgroup.c > @@ -474,6 +474,41 @@ static bool metricgroup__has_constraint(struct pmu_event *pe) > return false; > } > > +static int metricgroup__add_metric_param(struct strbuf *events, > + struct list_head *group_list, struct pmu_event *pe) > +{ > + > + const char **ids; > + int idnum; > + struct egroup *eg; > + int ret = -EINVAL; > + > + if (expr__find_other(pe->metric_expr, NULL, &ids, &idnum, 1) < 0) > + return ret; > + > + if (events->len > 0) > + strbuf_addf(events, ","); > + > + if (metricgroup__has_constraint(pe)) > + metricgroup__add_metric_non_group(events, ids, idnum); > + else > + metricgroup__add_metric_weak_group(events, ids, idnum); > + > + eg = malloc(sizeof(*eg)); > + if (!eg) > + ret = -ENOMEM; ??? you need to return in here, eg is NULL > + > + eg->ids = ids; > + 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; > + > + return ret; > +} > + > static int metricgroup__add_metric(const char *metric, struct strbuf *events, > struct list_head *group_list) > { > @@ -493,35 +528,13 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events, > continue; > if (match_metric(pe->metric_group, metric) || > match_metric(pe->metric_name, metric)) { > - const char **ids; > - int idnum; > - struct egroup *eg; > > pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name); > > - if (expr__find_other(pe->metric_expr, > - NULL, &ids, &idnum) < 0) > + ret = metricgroup__add_metric_param(events, > + group_list, pe); > + if (ret == -EINVAL) > continue; previous code did 'continue' on ret < 0, why just -EINVAL now? jirka 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=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 032B7C10F29 for ; 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b=NZSoaRcRnOGmHtwCWZ4qgymn6foltbUCxp3no22qPd7b/GFW2LTktjTcHlUderIWBNEdOP yr95ZfUN/Myn4XPSNcaNSaLIvQ5pQaTPPdAx/VnaUvEvtorFjyEW0o/HZJ8q+8dHSSxdmm 3OE12vOu7vPapcrjNpgHIxJqVbFkweg= 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-250-X7hJ84fQNGCMqAf_MdIkNg-1; Tue, 17 Mar 2020 11:10:41 -0400 X-MC-Unique: X7hJ84fQNGCMqAf_MdIkNg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 14255800D53; Tue, 17 Mar 2020 15:10:38 +0000 (UTC) Received: from krava (unknown [10.40.195.82]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 104DE60BF3; Tue, 17 Mar 2020 15:10:32 +0000 (UTC) Date: Tue, 17 Mar 2020 16:10:30 +0100 From: Jiri Olsa To: Kajol Jain Subject: Re: [PATCH v5 08/11] perf/tools: Refactoring metricgroup__add_metric function Message-ID: <20200317151030.GE757893@krava> References: <20200317062333.14555-1-kjain@linux.ibm.com> <20200317062333.14555-9-kjain@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200317062333.14555-9-kjain@linux.ibm.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, maddy@linux.vnet.ibm.com, peterz@infradead.org, yao.jin@linux.intel.com, mingo@kernel.org, kan.liang@linux.intel.com, ak@linux.intel.com, alexander.shishkin@linux.intel.com, anju@linux.vnet.ibm.com, mamatha4@linux.vnet.ibm.com, sukadev@linux.vnet.ibm.com, ravi.bangoria@linux.ibm.com, acme@kernel.org, jmario@redhat.com, namhyung@kernel.org, tglx@linutronix.de, mpetlan@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, jolsa@kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, Mar 17, 2020 at 11:53:30AM +0530, Kajol Jain wrote: > This patch refactor metricgroup__add_metric function where > some part of it move to function metricgroup__add_metric_param. > No logic change. > > Signed-off-by: Kajol Jain > --- > tools/perf/util/metricgroup.c | 63 +++++++++++++++++++++-------------- > 1 file changed, 38 insertions(+), 25 deletions(-) > > diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c > index c3a8c701609a..b4919bcfbd8b 100644 > --- a/tools/perf/util/metricgroup.c > +++ b/tools/perf/util/metricgroup.c > @@ -474,6 +474,41 @@ static bool metricgroup__has_constraint(struct pmu_event *pe) > return false; > } > > +static int metricgroup__add_metric_param(struct strbuf *events, > + struct list_head *group_list, struct pmu_event *pe) > +{ > + > + const char **ids; > + int idnum; > + struct egroup *eg; > + int ret = -EINVAL; > + > + if (expr__find_other(pe->metric_expr, NULL, &ids, &idnum, 1) < 0) > + return ret; > + > + if (events->len > 0) > + strbuf_addf(events, ","); > + > + if (metricgroup__has_constraint(pe)) > + metricgroup__add_metric_non_group(events, ids, idnum); > + else > + metricgroup__add_metric_weak_group(events, ids, idnum); > + > + eg = malloc(sizeof(*eg)); > + if (!eg) > + ret = -ENOMEM; ??? you need to return in here, eg is NULL > + > + eg->ids = ids; > + 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; > + > + return ret; > +} > + > static int metricgroup__add_metric(const char *metric, struct strbuf *events, > struct list_head *group_list) > { > @@ -493,35 +528,13 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events, > continue; > if (match_metric(pe->metric_group, metric) || > match_metric(pe->metric_name, metric)) { > - const char **ids; > - int idnum; > - struct egroup *eg; > > pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name); > > - if (expr__find_other(pe->metric_expr, > - NULL, &ids, &idnum) < 0) > + ret = metricgroup__add_metric_param(events, > + group_list, pe); > + if (ret == -EINVAL) > continue; previous code did 'continue' on ret < 0, why just -EINVAL now? jirka