perf/x86: Add support for sampling PEBS machine state registers

[linux-beck.git] / arch / x86 / kernel / cpu / perf_event_intel_ds.c

diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 3c5d5c10b8a964d48f24cc99e1198f018c8a7ced..495ae9793628fb6e9ed324e97c16fbc34fc83f13 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -886,6 +886,29 @@ static void __intel_pmu_pebs_event(struct perf_event *event,
        regs.bp = pebs->bp;
        regs.sp = pebs->sp;
 
+       if (sample_type & PERF_SAMPLE_REGS_INTR) {
+               regs.ax = pebs->ax;
+               regs.bx = pebs->bx;
+               regs.cx = pebs->cx;
+               regs.dx = pebs->dx;
+               regs.si = pebs->si;
+               regs.di = pebs->di;
+               regs.bp = pebs->bp;
+               regs.sp = pebs->sp;
+
+               regs.flags = pebs->flags;
+#ifndef CONFIG_X86_32
+               regs.r8 = pebs->r8;
+               regs.r9 = pebs->r9;
+               regs.r10 = pebs->r10;
+               regs.r11 = pebs->r11;
+               regs.r12 = pebs->r12;
+               regs.r13 = pebs->r13;
+               regs.r14 = pebs->r14;
+               regs.r15 = pebs->r15;
+#endif
+       }
+
        if (event->attr.precise_ip > 1 && x86_pmu.intel_cap.pebs_format >= 2) {
                regs.ip = pebs->real_ip;
                regs.flags |= PERF_EFLAGS_EXACT;