Re: [RFC/PATCH 1/2] perf top: Fix -z option behavior

[David Ahern]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/