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From: James Clark <james.clark@arm.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	linux-perf-users@vger.kernel.org, Andi Kleen <ak@linux.intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Leo Yan <leo.yan@linaro.org>,
	Zhengjun Xing <zhengjun.xing@linux.intel.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@kernel.org>
Subject: Re: [PATCH 6/6] perf stat: Don't compare runtime stat for shadow stats
Date: Wed, 28 Sep 2022 15:52:15 +0100	[thread overview]
Message-ID: <ee88c7fa-67fa-1d96-1067-f0d87b96e653@arm.com> (raw)
In-Reply-To: <20220926200757.1161448-7-namhyung@kernel.org>



On 26/09/2022 21:07, Namhyung Kim wrote:
> Now it always uses the global rt_stat.  Let's get rid of the field from
> the saved_value.  When the both evsels are NULL, it'd return 0 so remove
> the block in the saved_value_cmp.
> 
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
>  tools/perf/util/stat-shadow.c | 12 ------------
>  1 file changed, 12 deletions(-)
> 
Reviewed-by: James Clark <james.clark@arm.com>

> diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
> index 99d05262055c..700563306637 100644
> --- a/tools/perf/util/stat-shadow.c
> +++ b/tools/perf/util/stat-shadow.c
> @@ -35,7 +35,6 @@ struct saved_value {
>  	int ctx;
>  	int map_idx;
>  	struct cgroup *cgrp;
> -	struct runtime_stat *stat;
>  	struct stats stats;
>  	u64 metric_total;
>  	int metric_other;
> @@ -67,16 +66,6 @@ static int saved_value_cmp(struct rb_node *rb_node, const void *entry)
>  	if (a->cgrp != b->cgrp)
>  		return (char *)a->cgrp < (char *)b->cgrp ? -1 : +1;
>  
> -	if (a->evsel == NULL && b->evsel == NULL) {
> -		if (a->stat == b->stat)
> -			return 0;
> -
> -		if ((char *)a->stat < (char *)b->stat)
> -			return -1;
> -
> -		return 1;
> -	}
> -
>  	if (a->evsel == b->evsel)
>  		return 0;
>  	if ((char *)a->evsel < (char *)b->evsel)
> @@ -120,7 +109,6 @@ static struct saved_value *saved_value_lookup(struct evsel *evsel,
>  		.evsel = evsel,
>  		.type = type,
>  		.ctx = ctx,
> -		.stat = st,
>  		.cgrp = cgrp,
>  	};
>  

      reply	other threads:[~2022-09-28 14:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-26 20:07 [PATCHSET 0/6] perf stat: Small random cleanups (v1) Namhyung Kim
2022-09-26 20:07 ` [PATCH 1/6] perf stat: Convert perf_stat_evsel.res_stats array Namhyung Kim
2022-09-28 10:33   ` James Clark
2022-09-26 20:07 ` [PATCH 2/6] perf stat: Don't call perf_stat_evsel_id_init() repeatedly Namhyung Kim
2022-09-28 10:41   ` James Clark
2022-09-26 20:07 ` [PATCH 3/6] perf stat: Rename saved_value->cpu_map_idx Namhyung Kim
2022-09-28 10:50   ` James Clark
2022-09-28 23:56     ` Namhyung Kim
2022-09-29  1:58       ` Ian Rogers
2022-09-26 20:07 ` [PATCH 4/6] perf stat: Use thread map index for shadow stat Namhyung Kim
2022-09-28 14:49   ` James Clark
2022-09-29  2:10   ` Ian Rogers
2022-09-29  4:55     ` Namhyung Kim
2022-09-26 20:07 ` [PATCH 5/6] perf stat: Kill unused per-thread runtime stats Namhyung Kim
2022-09-28 14:51   ` James Clark
2022-09-26 20:07 ` [PATCH 6/6] perf stat: Don't compare runtime stat for shadow stats Namhyung Kim
2022-09-28 14:52   ` James Clark [this message]

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