Messages in this thread | | | Date | Sat, 4 Nov 2017 14:26:46 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH V0 2/3] perf/x86/intel/bm.c: Add Intel Branch Monitoring support |
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On Fri, Nov 03, 2017 at 11:00:05AM -0700, Megha Dey wrote:
SNIP
> + > +static int intel_bm_event_nmi_handler(unsigned int cmd, struct pt_regs *regs) > +{ > + struct perf_event *event; > + union bm_detect_status stat; > + struct perf_sample_data data; > + int i; > + unsigned long x; > + > + rdmsrl(BR_DETECT_STATUS_MSR, stat.raw); > + > + if (stat.event) { > + wrmsrl(BR_DETECT_STATUS_MSR, 0); > + apic_write(APIC_LVTPC, APIC_DM_NMI); > + /* > + * Issue wake-up to corrresponding polling event
s/rrr/rr/ ;-)
jirka
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