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SubjectRe: [PATCH] perf: fix symbol processing bug and greatly improve performance
On 05/07/2013 10:19 AM, Waiman Long wrote:
> The slowdown that I was trying to fix was in the "perf record" part of
> the profiling process, not the "perf report" part. I didn't try
> perf-record on perf-record as the performance counters are limited
> resources and I don't want resource conflicts to affect the results.
> As the slow-down was entirely in the user space, I decided to use
> gprof to do the profiling.

Just to clarify that the post-processing time that I referred to in the
patch is the time spent after the workload finishes in the perf-record
session and the perf command itself quits. I could take a really long
time for perf to quit without the patch.

Regards,
Longman



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