On Thu, Apr 17, 2014 at 07:39:09PM +0200, Jiri Olsa wrote: > hi, > trying to speedup DWARF unwind report code by factoring > related code: > - caching sample's registers access > - keep dso data file descriptor open for the > life of the dso object > - replace dso cache code by mapping dso data file > directly for the life of the dso object > > The speedup is mainly for libunwind unwind. The libdw will benefit > mainly from cached registers access, because it handles dso data > accesses by itself.. and anyway it's still faster ;-). > > Also reachable in here: > git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git > perf/core_unwind_speedup
rebased to latest tip perf/core, review appreciated ;-) jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
