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authorPeter Zijlstra <[email protected]>2017-11-13 14:28:44 +0100
committerIngo Molnar <[email protected]>2018-03-12 15:28:50 +0100
commit8703a7cfe148f73062c568e9a8549ce692104864 (patch)
tree074000272c91b34f204800673289d999777d4861 /tools/perf/util/trace-event-scripting.c
parent6e6804d2fa0eff6520f3a2b48ff52bcb9dc25a9d (diff)
perf/core: Fix tree based event rotation
Similar to how first programming cpu=-1 and then cpu=# is wrong, so is rotating both. It was especially wrong when we were still programming the PMU in this same order, because in that scenario we might never actually end up running cpu=# events at all. Cure this by using the active_list to pick the rotation event; since at programming we already select the left-most event. Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Acked-by: Mark Rutland <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Alexey Budankov <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: David Carrillo-Cisneros <[email protected]> Cc: Dmitri Prokhorov <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Valery Cherepennikov <[email protected]> Cc: Vince Weaver <[email protected]> Cc: [email protected] Signed-off-by: Ingo Molnar <[email protected]>
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