Messages in this thread | | | Date | Tue, 12 Aug 2014 13:01:41 -0600 | From | David Ahern <> | Subject | Re: [RFC/PATCH 1/2] perf top: Fix -z option behavior |
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On 8/12/14, 2:16 AM, Namhyung Kim wrote: > The current -z option does almost nothing. It doesn't zero the > existing samples so that we can see profiles of exited process after > last refresh. It seems it only affects annotation. > > This patch clears existing entries before processing if -z option is > given. For this original decaying logic also moved before processing.
This option was broken somewhere recently. I am on vacation for another week, so I can't do a git bisect myself but I recall it worked a year or so ago. Try v3.4 as a start point.
David
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