Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [PATCH] lockdep: Add nr_save_trace_invocations counter | From | Peter Zijlstra <> | Date | Fri, 23 Apr 2010 10:05:15 +0200 |
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On Fri, 2010-04-23 at 09:24 +0200, John Kacur wrote: > direct dependencies: 8752 [max: 16384] > I have > stack-trace invocations: 10888 > from the same run. > > Still trying to figure out what the meaning is of that though to be > honest. > > Here is a portion of the lockdep_stats, with all of the new fields and the > redundant ones. > > stack-trace invocations: 10888 > LOCK_USED_IN_HARDIRQ: 15 > LOCK_USED_IN_HARDIRQ_READ: 0 > LOCK_ENABLED_HARDIRQ: 543 > LOCK_ENABLED_HARDIRQ_READ: 28 > LOCK_USED_IN_SOFTIRQ: 0 > LOCK_USED_IN_SOFTIRQ_READ: 0 > LOCK_ENABLED_SOFTIRQ: 543 > LOCK_ENABLED_SOFTIRQ_READ: 28 > LOCK_USED_IN_RECLAIM_FS: 5 > LOCK_USED_IN_RECLAIM_FS_READ: 0 > LOCK_ENABLED_RECLAIM_FS: 95 > LOCK_ENABLED_RECLAIM_FS_READ: 8 > LOCK_USED: 871
8752+871+8+95+5+28+543+28+543+15=10888
So you get a stack-trace for each direct-dependency, and you get a stack-trace for each LOCK_state, the sum seems to match the total invocations.
Non of these numbers look strange..
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