Messages in this thread |  | | | Date | Sat, 24 Apr 2010 15:41:45 +0200 | | From | Frederic Weisbecker <> | | Subject | Re: [PATCH v2] perf lock: add "info" subcommand for dumping misc information |
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On Sat, Apr 24, 2010 at 07:46:41PM +0900, Hitoshi Mitake wrote: > Hi Frederic, > > I added "info" subcommand to perf lock, > this can be used as dumping metadata like thread or address of lock instances. > "map" was removed because info should do the work of it. > > This will be useful not only for debugging but also for ordinary analyzing. > > I made this patch on perf/core of your tree, could you queue this? > > v2: adding example of usage > % sudo ./perf lock info -t > | Thread ID: comm > | 0: swapper > | 1: init > | 18: migration/5 > | 29: events/2 > | 32: events/5 > | 33: events/6 > ... > > % sudo ./perf lock info -m > | Address of instance: name of class > | 0xffff8800b95adae0: &(&sighand->siglock)->rlock > | 0xffff8800bbb41ae0: &(&sighand->siglock)->rlock > | 0xffff8800bf165ae0: &(&sighand->siglock)->rlock > | 0xffff8800b9576a98: &p->cred_guard_mutex > | 0xffff8800bb890a08: &(&p->alloc_lock)->rlock > | 0xffff8800b9522a08: &(&p->alloc_lock)->rlock > | 0xffff8800bb8aaa08: &(&p->alloc_lock)->rlock > | 0xffff8800bba72a08: &(&p->alloc_lock)->rlock > | 0xffff8800bf18ea08: &(&p->alloc_lock)->rlock > | 0xffff8800b8a0d8a0: &(&ip->i_lock)->mr_lock > | 0xffff88009bf818a0: &(&ip->i_lock)->mr_lock > | 0xffff88004c66b8a0: &(&ip->i_lock)->mr_lock > | 0xffff8800bb6478a0: &(shost->host_lock)->rlock
Thanks, I queue it for the next pass.
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