Messages in this thread | | | Date | Fri, 11 Jul 2014 10:11:07 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH 1/4] perf: add ability to sample machine state on interrupt |
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On Wed, Jul 09, 2014 at 12:15:56AM +0200, Stephane Eranian wrote: > Enable capture of interrupted machine state in each > sample. > > Registers to sample are passed per event in the > sample_regs_intr bitmask. > > To sample interrupt machine state, the > PERF_SAMPLE_INTR_REGS must be passed in > sample_type. > > The list of available registers is arch > dependent and provided by asm/perf_regs.h > > Registers are laid out as u64 in the order > of the bit order of sample_intr_regs. ^^^ sample_regs_intr
just crossed my ming we want to use 'kernel' here and call it 'sample_regs_kernel', since we already have sample_regs_user. Also for events other than HW, the sample does not happen in interrupt.. anyway:
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
jirka
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