linux-kernel - Re: [RFC] perf report: Implement symbol filtering on TUI

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Date:	Thu, 15 Mar 2012 09:44:24 +0900
From:	Namhyung Kim <namhyung.kim@....com>
To:	Arun Sharma <asharma@...com>
CC:	Ingo Molnar <mingo@...e.hu>, Namhyung Kim <namhyung@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org, dsahern@...il.com, ravitillo@....gov,
	khandual@...ux.vnet.ibm.com, robert.richter@....com,
	ming.m.lin@...el.com, vweaver1@...s.utk.edu, andi@...stfloor.org
Subject: Re: [RFC] perf report: Implement symbol filtering on TUI

Hi,

2012-03-15 8:11 AM, Arun Sharma wrote:
> On Wed, Mar 07, 2012 at 10:57:50AM +0900, Namhyung Kim wrote:
>> As Ingo requested, symbol filtering feature was missing on TUI.
>> Add 's' key to get input from user, and do simple filtering by
>> strstr(). To turn filtering off, just enter no name by pressing
>> 's' followed by ENTER.
>
> Why not do this for --stdio as well?
>
> perf report foo -g graph,0.5,caller -s inclusive --stdio
>
> will print only the callgraph under foo.
>
> This works better for me than:
>
> perf report -s parent -p ^c$ --stdio
>
>   -Arun

Thanks for reviewing and sending the patch.

However this was already fixed on my new patch set. Please see below:

https://lkml.org/lkml/2012/3/13/73


Thanks,
Namhyung


>
> index 94394f3..607b21b 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -219,6 +219,8 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
>   		struct hists *hists =&pos->hists;
>   		const char *evname = event_name(pos);
>
> +		hists->symbol_filter_str = rep->symbol_filter_str;
> +		hists__filter_by_symbol(hists);
>   		hists__fprintf_nr_sample_events(hists, evname, stdout);
>   		hists__fprintf(hists, NULL, false, true, 0, 0, stdout);
>   		fprintf(stdout, "\n\n");
>
>

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