Messages in this thread | | | Subject | Re: [patch] Performance Counters for Linux, v3 | From | Peter Zijlstra <> | Date | Fri, 12 Dec 2008 18:11:50 +0100 |
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On Fri, 2008-12-12 at 18:03 +0100, Samuel Thibault wrote: > Peter Zijlstra, le Fri 12 Dec 2008 09:25:45 +0100, a écrit : > > On Thu, 2008-12-11 at 13:02 -0500, Vince Weaver wrote: > > > Also, my primary method of using counters is total aggregate count for a > > > single user-space process. > > > > Process, as in single thread, or multi-threaded? I'll assume > > single-thread. > > BTW, just to make sure it is taken into account (I haven't followed the > thread up to here, just saw a "pid_t" somwhere that alarmed me): for our > uses, we _do_ need per-kernelthread counters.
Yes, counters are per task - not sure on the exact interface thingy though - I guess it should be tid_t but glibc does a bit weird there or something.
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