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Diffstat (limited to 'arch/x86/events/core.c')
-rw-r--r--arch/x86/events/core.c64
1 files changed, 43 insertions, 21 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 65ab6460aed4..c75c482d4c52 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -3003,35 +3003,57 @@ static unsigned long code_segment_base(struct pt_regs *regs)
return 0;
}
-unsigned long perf_instruction_pointer(struct pt_regs *regs)
+unsigned long perf_arch_instruction_pointer(struct pt_regs *regs)
{
- if (perf_guest_state())
- return perf_guest_get_ip();
-
return regs->ip + code_segment_base(regs);
}
-unsigned long perf_misc_flags(struct pt_regs *regs)
+static unsigned long common_misc_flags(struct pt_regs *regs)
{
- unsigned int guest_state = perf_guest_state();
- int misc = 0;
+ if (regs->flags & PERF_EFLAGS_EXACT)
+ return PERF_RECORD_MISC_EXACT_IP;
- if (guest_state) {
- if (guest_state & PERF_GUEST_USER)
- misc |= PERF_RECORD_MISC_GUEST_USER;
- else
- misc |= PERF_RECORD_MISC_GUEST_KERNEL;
- } else {
- if (user_mode(regs))
- misc |= PERF_RECORD_MISC_USER;
- else
- misc |= PERF_RECORD_MISC_KERNEL;
- }
+ return 0;
+}
- if (regs->flags & PERF_EFLAGS_EXACT)
- misc |= PERF_RECORD_MISC_EXACT_IP;
+static unsigned long guest_misc_flags(struct pt_regs *regs)
+{
+ unsigned long guest_state = perf_guest_state();
+
+ if (!(guest_state & PERF_GUEST_ACTIVE))
+ return 0;
+
+ if (guest_state & PERF_GUEST_USER)
+ return PERF_RECORD_MISC_GUEST_USER;
+ else
+ return PERF_RECORD_MISC_GUEST_KERNEL;
+
+}
+
+static unsigned long host_misc_flags(struct pt_regs *regs)
+{
+ if (user_mode(regs))
+ return PERF_RECORD_MISC_USER;
+ else
+ return PERF_RECORD_MISC_KERNEL;
+}
+
+unsigned long perf_arch_guest_misc_flags(struct pt_regs *regs)
+{
+ unsigned long flags = common_misc_flags(regs);
+
+ flags |= guest_misc_flags(regs);
+
+ return flags;
+}
+
+unsigned long perf_arch_misc_flags(struct pt_regs *regs)
+{
+ unsigned long flags = common_misc_flags(regs);
+
+ flags |= host_misc_flags(regs);
- return misc;
+ return flags;
}
void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap)