Re: [PATCH] Oprofile Multiplexing Patch

From: Ingo Molnar
Date: Sat Jul 26 2008 - 07:16:49 EST



> From: Jason Yeh <jason.yeh@xxxxxxx>

> diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
> index 56b4757..e641545 100644
> --- a/arch/x86/oprofile/op_model_p4.c
> +++ b/arch/x86/oprofile/op_model_p4.c
> @@ -701,6 +701,8 @@ static void p4_shutdown(struct op_msrs const * const msrs)
> struct op_x86_model_spec const op_p4_ht2_spec = {
> .num_counters = NUM_COUNTERS_HT2,
> .num_controls = NUM_CONTROLS_HT2,
> + .num_hardware_counters = NUM_COUNTERS_HT2,
> + .num_hardware_controls = NUM_CONTROLS_HT2,

is there any further change needed for Intel CPUs to benefit from
multiplexing too, up to the max of 32 controls? (AFAICS it should work
as-is, correct?)

Ingo
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