perf_counter: Use rb_trees in perf report

Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: Marcelo Tosatti <[email protected]>
Cc: Thomas Gleixner <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <[email protected]>
4 files changed