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27 March 2024, 02:37:15 UTC
Revision 843f4f4bb1a2c4c196a1af1d18bb6477a580ac78 authored by Linus Torvalds on 06 December 2013, 16:34:16 UTC, committed by Linus Torvalds on 06 December 2013, 16:34:16 UTC 
Merge tag 'trace-fixes-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
 
Pull tracing fix from Steven Rostedt:
 "A regression showed up that there's a large delay when enabling all
  events.  This was prevalent when FTRACE_SELFTEST was enabled which
  enables all events several times, and caused the system bootup to
  pause for over a minute.

  This was tracked down to an addition of a synchronize_sched()
  performed when system call tracepoints are unregistered.

  The synchronize_sched() is needed between the unregistering of the
  system call tracepoint and a deletion of a tracing instance buffer.
  But placing the synchronize_sched() in the unreg of *every* system
  call tracepoint is a bit overboard.  A single synchronize_sched()
  before the deletion of the instance is sufficient"

* tag 'trace-fixes-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Only run synchronize_sched() at instance deletion time
2 parent s c537aba + 3ccb012
History
Tip revision: 843f4f4bb1a2c4c196a1af1d18bb6477a580ac78 authored by Linus Torvalds on 06 December 2013, 16:34:16 UTC
Merge tag 'trace-fixes-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Tip revision: 843f4f4
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