From: Robert R. <rob...@am...> - 2011-05-24 09:29:01
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On 23.05.11 10:22:40, Eric B Munson wrote: > Commit 0837e3242c73566fc1c0196b4ec61779c25ffc93 fixes a situation on POWER7 > where events can roll back if a specualtive event doesn't actually complete. > This can raise a performance monitor exception. We need to catch this to ensure > that we reset the PMC. In all cases the PMC will be less than 256 cycles from > overflow. > > This patch lifts Anton's fix for the problem in perf and applies it to oprofile > as well. > > Signed-off-by: Eric B Munson <em...@mg...> > Cc: <st...@ke...> # as far back as it applies cleanly > --- > arch/powerpc/oprofile/op_model_power4.c | 24 +++++++++++++++++++++++- > 1 files changed, 23 insertions(+), 1 deletions(-) I applied the fix to oprofile/urgent. Thanks Eric, -Robert -- Advanced Micro Devices, Inc. Operating System Research Center |