The libunwind provides two caching policy which are global and
per-thread. As perf unwinds callchains in a single thread, it'd
sufficient to use global caching.
This speeds up my perf report from 14s to 7s on a ~260MB data file.
Although the output sometimes contains a slight difference (~0.01% i
The libunwind provides two caching policy which are global and
per-thread. As perf unwinds callchains in a single thread, it'd
sufficient to use global caching.
This speeds up my perf report from 14s to 7s on a ~260MB data file.
Although the output sometimes contains a slight difference (~0.01% i
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