perf tools: Use sscanf for parsing /proc/pid/maps
When reading those files to synthesize MMAP events. It makes the code shorter and cleaner. Signed-off-by: NNamhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1352643651-13891-1-git-send-email-namhyung@kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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