From: Jiri Olsa <jolsa@redhat.com>
To: Andi Kleen <ak@linux.intel.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, 4 Mar 2019 15:48:48 +0100 [thread overview]
Message-ID: <20190304144848.GK30476@krava> (raw)
In-Reply-To: <20190225133335.GM16922@tassilo.jf.intel.com>
On Mon, Feb 25, 2019 at 05:33:35AM -0800, Andi Kleen wrote:
> 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)
if it's not use please change it, so it's not confusing
also there's hist_entry::stat.nr_events for that
jirka
next prev parent reply other threads:[~2019-03-04 14:48 UTC|newest]
Thread overview: 34+ 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
2019-02-24 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
2019-02-24 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
2019-03-04 14:48 ` Jiri Olsa [this message]
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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