perf tools: Use kmod_path__parse for machine__new_dso
Using kmod_path__parse to get the module name and update the dso short name within machine__new_dso function. This way it's done only first time when dso is created, unlike the current way when we update it all the time we process memory map of the kernel module. Signed-off-by: NJiri Olsa <jolsa@kernel.org> Acked-by: NNamhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-8gjmt1ggf5ls1xkk7qi2ko4k@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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