Messages in this thread |  | | Date | Wed, 6 Feb 2013 13:48:40 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 2/2] perf scripts: Fix rwtop record script |
| |
On Tue, Feb 05, 2013 at 09:15:20AM -0700, David Ahern wrote: > On 2/5/13 9:05 AM, Jiri Olsa wrote: > >Adding -D option into the rwtop record command line, to get > >immediate response when there's event in the buffer. > > Seems like this will dramatically increase CPU usage of perf-record > as well as increase the overhead of each event with a process > wakeup. How about a poll option on perf-record to have it wake up at > a given rate instead?
right, I'll check
thanks, jirka
|  |