From: Jiri Olsa <jolsa@redhat.com>
To: John Garry <john.garry@huawei.com>
Cc: peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
mark.rutland@arm.com, alexander.shishkin@linux.intel.com,
namhyung@kernel.org, will@kernel.org, ak@linux.intel.com,
linuxarm@huawei.com, linux-kernel@vger.kernel.org,
qiangqing.zhang@nxp.com, irogers@google.com,
robin.murphy@arm.com, zhangshaokun@hisilicon.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH RFC v3 09/12] perf metricgroup: Split up metricgroup__add_metric()
Date: Mon, 11 May 2020 13:01:18 +0200 [thread overview]
Message-ID: <20200511110118.GA2986380@krava> (raw)
In-Reply-To: <1588852671-61996-10-git-send-email-john.garry@huawei.com>
On Thu, May 07, 2020 at 07:57:48PM +0800, John Garry wrote:
> To aid supporting system event metric groups, break up the function
> metricgroup__add_metric() into a part which iterates metrics and a part
> which actually "adds" the metric.
>
> No functional change intended.
this no longer applied on Arnaldo's perf/core,
it's very busy part now :-\
jirka
>
> Signed-off-by: John Garry <john.garry@huawei.com>
> ---
> tools/perf/util/metricgroup.c | 75 ++++++++++++++++++++++++++-----------------
> 1 file changed, 45 insertions(+), 30 deletions(-)
>
> diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
> index 926449a7cdbf..d1033756a1bc 100644
> --- a/tools/perf/util/metricgroup.c
> +++ b/tools/perf/util/metricgroup.c
> @@ -231,6 +231,12 @@ static bool match_metric(const char *n, const char *list)
> return false;
> }
>
> +static bool match_pe_metric(struct pmu_event *pe, const char *metric)
> +{
> + return match_metric(pe->metric_group, metric) ||
> + match_metric(pe->metric_name, metric);
> +}
> +
> struct mep {
> struct rb_node nd;
> const char *name;
> @@ -485,6 +491,40 @@ static bool metricgroup__has_constraint(struct pmu_event *pe)
> return false;
> }
>
> +static int metricgroup__add_metric_pmu_event(struct pmu_event *pe,
> + struct strbuf *events,
> + struct list_head *group_list)
> +{
> + 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)
> + return 0;
> +
> + 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)
> + return -ENOMEM;
> + 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);
> +
> + return 0;
> +}
> +
> static int metricgroup__add_metric(const char *metric, struct strbuf *events,
> struct list_head *group_list)
> {
> @@ -502,37 +542,12 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events,
> break;
> if (!pe->metric_expr)
> 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)
> - continue;
> - 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(struct egroup));
> - if (!eg) {
> - ret = -ENOMEM;
> - break;
> - }
> - 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;
> + if (match_pe_metric(pe, metric)) {
> + ret = metricgroup__add_metric_pmu_event(pe, events,
> + group_list);
> + if (ret)
> + return ret;
> }
> }
> return ret;
> --
> 2.16.4
>
next prev parent reply other threads:[~2020-05-11 11:01 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-07 11:57 [PATCH RFC v3 00/12] perf pmu-events: Support event aliasing for system PMUs John Garry
2020-05-07 11:57 ` [PATCH RFC v3 01/12] perf jevents: Add support for an extra directory level John Garry
2020-05-07 11:57 ` [PATCH RFC v3 02/12] perf jevents: Add support for system events tables John Garry
2020-05-11 11:01 ` Jiri Olsa
2020-05-11 14:52 ` John Garry
2020-05-11 11:01 ` Jiri Olsa
2020-05-11 15:02 ` John Garry
2020-05-11 16:21 ` Ian Rogers
2020-05-12 10:29 ` Jiri Olsa
2020-05-11 11:01 ` Jiri Olsa
2020-05-07 11:57 ` [PATCH RFC v3 03/12] perf vendor events arm64: Relocate hip08 events John Garry
2020-05-07 11:57 ` [PATCH RFC v3 04/12] perf vendor events arm64: Add Architected events smmuv3-pmcg.json John Garry
2020-05-07 11:57 ` [PATCH RFC v3 05/12] perf vendor events arm64: Add hip08 SMMUv3 PMCG events John Garry
2020-05-07 11:57 ` [PATCH RFC v3 06/12] perf pmu: Add pmu_id() John Garry
2020-05-07 11:57 ` [PATCH RFC v3 07/12] perf pmu: Add pmu_add_sys_aliases() John Garry
2020-05-07 11:57 ` [PATCH RFC v3 08/12] perf vendor events: Add JSON metrics for imx8mm DDR Perf John Garry
2020-05-07 11:57 ` [PATCH RFC v3 09/12] perf metricgroup: Split up metricgroup__add_metric() John Garry
2020-05-11 11:01 ` Jiri Olsa [this message]
2020-05-11 11:25 ` John Garry
2020-05-11 11:35 ` Joakim Zhang
2020-05-07 11:57 ` [PATCH RFC v3 10/12] perf metricgroup: Split up metricgroup__print() John Garry
2020-05-07 11:57 ` [PATCH RFC v3 11/12] perf metricgroup: Support printing metric groups for system PMUs John Garry
2020-05-07 11:57 ` [PATCH RFC v3 12/12] perf metricgroup: Support adding metrics " John Garry
2020-05-08 2:55 ` [PATCH RFC v3 00/12] perf pmu-events: Support event aliasing " Joakim Zhang
2020-05-12 8:02 ` Joakim Zhang
2020-05-12 10:13 ` John Garry
2020-05-12 10:30 ` Joakim Zhang
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