Messages in this thread | | | Date | Tue, 29 Oct 2013 11:51:46 +0900 | From | Masami Hiramatsu <> | Subject | Re: Re: [PATCH v4 2/3] Support for perf to probe into SDT markers: |
| |
(2013/10/29 2:31), Srikar Dronamraju wrote: >>> >>> But what if a system has both 32 bit libc and 64 bit libc? >>> Wont we could end up with 2 libc:setjmp? >>> Should we give some more intelligence into perf to choose the 64 bit >>> libc over 32 bit one? >> >> You can just trace both of them by default, no? >> > > There has to be a one to one association with the event name and its > mapping. Every event name will finally map to a unique inode and an > offset. > > One option would be for perf to look at these markers and have a > different event name for similar markers in different executables.
Or, another idea is introducing hidden event group which automatically merges those similar markers and shows as one event alias name. :)
Thank you,
-- Masami HIRAMATSU IT Management Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu.pt@hitachi.com
| |