Messages in this thread | | | Subject | Re: [PATCH 0/4] RFC: jump label - (tracepoint optimizations) | From | Daniel Walker <> | Date | Thu, 03 Sep 2009 13:45:06 -0700 |
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On Thu, 2009-09-03 at 16:25 -0400, Jason Baron wrote: > hi, > > Problem: > > Currenly, tracepoints are implemented using a conditional. The conditional > check requires checking a global variable for each tracepoint. Although, > the overhead of this check is small, it increases under memory pressure. As we > increase the number of tracepoints in the kernel this may become more of an > issue. In addition, tracepoints are often dormant (disabled), and provide no > direct kernel functionality. Thus, it is highly desirable to reduce their > impact as much as possible. Mathieu Desnoyers has already suggested a number of > requirements for a solution to this issue.
Could you run your patches though scripts/checkpatch.pl and clean up any errors.. It looks like you have some style issues in a few of the patches.
Daniel
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