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Diffstat (limited to 'arch/x86/oprofile/op_model_athlon.c')
-rw-r--r--arch/x86/oprofile/op_model_athlon.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c
index c3ee43333f2..3d534879a9d 100644
--- a/arch/x86/oprofile/op_model_athlon.c
+++ b/arch/x86/oprofile/op_model_athlon.c
@@ -1,4 +1,4 @@
-/**
+/*
* @file op_model_athlon.h
* athlon / K7 / K8 / Family 10h model-specific MSR operations
*
@@ -14,28 +14,28 @@
#include <asm/ptrace.h>
#include <asm/msr.h>
#include <asm/nmi.h>
-
+
#include "op_x86_model.h"
#include "op_counter.h"
#define NUM_COUNTERS 4
#define NUM_CONTROLS 4
-#define CTR_IS_RESERVED(msrs,c) (msrs->counters[(c)].addr ? 1 : 0)
-#define CTR_READ(l,h,msrs,c) do {rdmsr(msrs->counters[(c)].addr, (l), (h));} while (0)
-#define CTR_WRITE(l,msrs,c) do {wrmsr(msrs->counters[(c)].addr, -(unsigned int)(l), -1);} while (0)
+#define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0)
+#define CTR_READ(l, h, msrs, c) do {rdmsr(msrs->counters[(c)].addr, (l), (h)); } while (0)
+#define CTR_WRITE(l, msrs, c) do {wrmsr(msrs->counters[(c)].addr, -(unsigned int)(l), -1); } while (0)
#define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
-#define CTRL_IS_RESERVED(msrs,c) (msrs->controls[(c)].addr ? 1 : 0)
-#define CTRL_READ(l,h,msrs,c) do {rdmsr(msrs->controls[(c)].addr, (l), (h));} while (0)
-#define CTRL_WRITE(l,h,msrs,c) do {wrmsr(msrs->controls[(c)].addr, (l), (h));} while (0)
+#define CTRL_IS_RESERVED(msrs, c) (msrs->controls[(c)].addr ? 1 : 0)
+#define CTRL_READ(l, h, msrs, c) do {rdmsr(msrs->controls[(c)].addr, (l), (h)); } while (0)
+#define CTRL_WRITE(l, h, msrs, c) do {wrmsr(msrs->controls[(c)].addr, (l), (h)); } while (0)
#define CTRL_SET_ACTIVE(n) (n |= (1<<22))
#define CTRL_SET_INACTIVE(n) (n &= ~(1<<22))
#define CTRL_CLEAR_LO(x) (x &= (1<<21))
#define CTRL_CLEAR_HI(x) (x &= 0xfffffcf0)
#define CTRL_SET_ENABLE(val) (val |= 1<<20)
-#define CTRL_SET_USR(val,u) (val |= ((u & 1) << 16))
-#define CTRL_SET_KERN(val,k) (val |= ((k & 1) << 17))
+#define CTRL_SET_USR(val, u) (val |= ((u & 1) << 16))
+#define CTRL_SET_KERN(val, k) (val |= ((k & 1) << 17))
#define CTRL_SET_UM(val, m) (val |= (m << 8))
#define CTRL_SET_EVENT_LOW(val, e) (val |= (e & 0xff))
#define CTRL_SET_EVENT_HIGH(val, e) (val |= ((e >> 8) & 0xf))
@@ -43,19 +43,19 @@
#define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8))
static unsigned long reset_value[NUM_COUNTERS];
-
+
static void athlon_fill_in_addresses(struct op_msrs * const msrs)
{
int i;
- for (i=0; i < NUM_COUNTERS; i++) {
+ for (i = 0; i < NUM_COUNTERS; i++) {
if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
else
msrs->counters[i].addr = 0;
}
- for (i=0; i < NUM_CONTROLS; i++) {
+ for (i = 0; i < NUM_CONTROLS; i++) {
if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))
msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
else
@@ -63,15 +63,15 @@ static void athlon_fill_in_addresses(struct op_msrs * const msrs)
}
}
-
+
static void athlon_setup_ctrs(struct op_msrs const * const msrs)
{
unsigned int low, high;
int i;
-
+
/* clear all counters */
for (i = 0 ; i < NUM_CONTROLS; ++i) {
- if (unlikely(!CTRL_IS_RESERVED(msrs,i)))
+ if (unlikely(!CTRL_IS_RESERVED(msrs, i)))
continue;
CTRL_READ(low, high, msrs, i);
CTRL_CLEAR_LO(low);
@@ -81,14 +81,14 @@ static void athlon_setup_ctrs(struct op_msrs const * const msrs)
/* avoid a false detection of ctr overflows in NMI handler */
for (i = 0; i < NUM_COUNTERS; ++i) {
- if (unlikely(!CTR_IS_RESERVED(msrs,i)))
+ if (unlikely(!CTR_IS_RESERVED(msrs, i)))
continue;
CTR_WRITE(1, msrs, i);
}
/* enable active counters */
for (i = 0; i < NUM_COUNTERS; ++i) {
- if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs,i))) {
+ if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs, i))) {
reset_value[i] = counter_config[i].count;
CTR_WRITE(counter_config[i].count, msrs, i);
@@ -112,7 +112,7 @@ static void athlon_setup_ctrs(struct op_msrs const * const msrs)
}
}
-
+
static int athlon_check_ctrs(struct pt_regs * const regs,
struct op_msrs const * const msrs)
{
@@ -133,7 +133,7 @@ static int athlon_check_ctrs(struct pt_regs * const regs,
return 1;
}
-
+
static void athlon_start(struct op_msrs const * const msrs)
{
unsigned int low, high;
@@ -150,7 +150,7 @@ static void athlon_start(struct op_msrs const * const msrs)
static void athlon_stop(struct op_msrs const * const msrs)
{
- unsigned int low,high;
+ unsigned int low, high;
int i;
/* Subtle: stop on all counters to avoid race with
@@ -169,11 +169,11 @@ static void athlon_shutdown(struct op_msrs const * const msrs)
int i;
for (i = 0 ; i < NUM_COUNTERS ; ++i) {
- if (CTR_IS_RESERVED(msrs,i))
+ if (CTR_IS_RESERVED(msrs, i))
release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
}
for (i = 0 ; i < NUM_CONTROLS ; ++i) {
- if (CTRL_IS_RESERVED(msrs,i))
+ if (CTRL_IS_RESERVED(msrs, i))
release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
}
}