From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: Chulmin Kim <cmkim@core.kaist.ac.kr>
Cc: linux-perf-users@vger.kernel.org,
Ryan Johnson <ryan.johnson@cs.utoronto.ca>
Subject: Re: perf top -z not working?
Date: Sun, 21 Oct 2012 18:46:18 -0700 [thread overview]
Message-ID: <20121022014618.GA7924@ghostprotocols.net> (raw)
In-Reply-To: <507EB776.9030304@core.kaist.ac.kr>
Em Wed, Oct 17, 2012 at 10:49:42PM +0900, Chulmin Kim escreveu:
> 2012-10-17 오후 9:26, Ryan Johnson 쓴 글:
> >(Please CC me in replies, not a list member)
> >
> >It seems that `perf top -z' does not behave as advertized, at
> >least not on the 3.2.0-25 kernel (Ubuntu) that I'm running. The
> >man page states that it should "zero history across display
> >updates" but the counts still seem to accumulate (the total
> >samples reported rises monotonically) and processes still show up
> >in the display long after they have exited. Pressing `z' or `Z'
> >seems to have no effect, either.
Are you using the --tui or --stdio interface? Try with both and check if
it works in one of them, I bet the problem is with --tui.
- Arnaldo
next prev parent reply other threads:[~2012-10-22 1:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-17 12:26 perf top -z not working? Ryan Johnson
2012-10-17 13:49 ` Chulmin Kim
2012-10-22 1:46 ` Arnaldo Carvalho de Melo [this message]
2012-10-22 11:50 ` Ryan Johnson
2012-10-22 13:12 ` David Ahern
2012-10-22 14:10 ` Ryan Johnson
2012-10-22 14:13 ` Chulmin Kim
2012-10-22 14:15 ` Chulmin Kim
2012-10-22 14:45 ` Arnaldo Carvalho de Melo
2012-10-22 15:01 ` David Ahern
2012-10-22 16:04 ` Ryan Johnson
2012-10-23 6:04 ` Namhyung Kim
2012-10-23 16:10 ` David Ahern
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