Re: perf top -z not working?

[Ryan Johnson <ryan.johnson@cs.utoronto.ca>]

On 21/10/2012 9:46 PM, Arnaldo Carvalho de Melo wrote:
> 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.
--stdio does the same, so I'll have to try updating my kernel like 
Chulmin suggested (haven't had time to do that yet)

Thanks,
Ryan