From: Andi Kleen <ak@linux.intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>,
acme@kernel.org, linux-perf-users@vger.kernel.org,
linux-kernel@vger.kernel.org, jolsa@kernel.org,
namhyung@kernel.org, eranian@google.com
Subject: Re: [PATCH 11/11] perf tools report: Implement browsing of individual samples
Date: Mon, 25 Feb 2019 05:33:35 -0800 [thread overview]
Message-ID: <20190225133335.GM16922@tassilo.jf.intel.com> (raw)
In-Reply-To: <20190225125615.GI19795@krava>
On Mon, Feb 25, 2019 at 01:56:15PM +0100, Jiri Olsa wrote:
> On Sun, Feb 24, 2019 at 07:37:22AM -0800, Andi Kleen wrote:
>
> SNIP
>
> > +static void hists__res_sample(struct hist_entry *he, struct perf_sample *sample)
> > +{
> > + struct res_sample *r;
> > + int j;
> > +
> > + if (!he->res_samples) {
> > + he->res_samples = calloc(sizeof(struct res_sample),
> > + symbol_conf.res_sample);
> > + if (!he->res_samples)
> > + return;
> > + }
> > + if (he->num_res < symbol_conf.res_sample) {
> > + j = he->num_res++;
> > + } else {
> > + j = random_max(++he->num_res + 1);
>
> will he->num_res keep raising all the time?
Yes, but the display code limits it to symbol_conf.res_samples
That was intentional so that we can keep track of the total
number of samples. Plan was to eventually display it somewhere
so that the users know how many of the samples are covered
(currently it is not though)
-Andi
next prev parent reply other threads:[~2019-02-25 13:33 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-24 15:37 Support sample context in perf report Andi Kleen
2019-02-24 15:37 ` [PATCH 01/11] perf tools script: Handle missing fields with -F + Andi Kleen
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:49 ` Arnaldo Carvalho de Melo
2019-02-28 8:04 ` [tip:perf/core] perf " tip-bot for Andi Kleen
2019-02-24 15:37 ` [PATCH 02/11] perf tools script: Support insn output for normal samples Andi Kleen
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 03/11] perf tools report: Support nano seconds Andi Kleen
2019-02-25 16:40 ` Sebastien Boisvert
2019-02-25 17:34 ` Andi Kleen
2019-02-24 15:37 ` [PATCH 04/11] perf tools report: Parse time quantum Andi Kleen
2019-02-25 12:55 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 05/11] perf tools report: Support time sort key Andi Kleen
2019-02-24 15:37 ` [PATCH 06/11] perf tools report: Use less for scripts output Andi Kleen
2019-02-25 12:55 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 07/11] perf tools report: Support running scripts for current time range Andi Kleen
2019-02-25 12:55 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:28 ` Andi Kleen
2019-02-25 13:35 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 08/11] perf tools: Add perf_exe() helper to find perf binary Andi Kleen
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:58 ` Arnaldo Carvalho de Melo
2019-02-28 8:05 ` [tip:perf/core] " tip-bot for Andi Kleen
2019-02-24 15:37 ` [PATCH 09/11] perf tools report: Support builtin perf script in scripts menu Andi Kleen
2019-02-25 12:57 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 10/11] perf tools: Add utility function to print ns time stamps Andi Kleen
2019-02-24 15:37 ` [PATCH 11/11] perf tools report: Implement browsing of individual samples Andi Kleen
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:33 ` Andi Kleen [this message]
2019-03-04 14:48 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:31 ` Andi Kleen
2019-02-25 13:35 ` Jiri Olsa
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