KVM: convert custom marker based tracing to event traces
This allows use of the powerful ftrace infrastructure.
See Documentation/trace/ for usage information.
[avi, stephen: various build fixes]
[sheng: fix control register breakage]
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 3bde43c..2e02865 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -34,6 +34,7 @@
#include <asm/atomic.h>
#include "kvm_cache_regs.h"
#include "irq.h"
+#include "trace.h"
#ifndef CONFIG_X86_64
#define mod_64(x, y) ((x) - (y) * div64_u64(x, y))
@@ -515,8 +516,6 @@
{
u32 val = 0;
- KVMTRACE_1D(APIC_ACCESS, apic->vcpu, (u32)offset, handler);
-
if (offset >= LAPIC_MMIO_LENGTH)
return 0;
@@ -562,6 +561,8 @@
}
result = __apic_read(apic, offset & ~0xf);
+ trace_kvm_apic_read(offset, result);
+
switch (len) {
case 1:
case 2:
@@ -657,7 +658,7 @@
offset &= 0xff0;
- KVMTRACE_1D(APIC_ACCESS, apic->vcpu, (u32)offset, handler);
+ trace_kvm_apic_write(offset, val);
switch (offset) {
case APIC_ID: /* Local APIC ID */