Hi David, On Tue, 12 Aug 2014 13:01:41 -0600, David Ahern wrote: > 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.
Are you sure? I don't recall seeing any big change in this area so I guess the problem existed since long time ago. In fact I couldn't find a logic to zero/clear out existing hist entries in a hists.. Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/