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Namhyung Kim
48859e5293
Currently it parses the /proc file everytime it opens a file in the cgroupfs. Save the last result to avoid it (assuming it won't be changed between the accesses). Signed-off-by: Namhyung Kim <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>