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authorRobert Richter <robert.richter@amd.com>2009-03-10 19:15:57 +0100
committerRobert Richter <robert.richter@amd.com>2009-06-11 16:10:13 +0200
commit9063759540daac40cc1f402f83a3be6b489f8583 (patch)
tree18aeef00afcc9dcc0de4ec1c0a9583b64ce52e22 /arch/x86/oprofile
parentfecfe6320ba71eed6d16849683298f0894aa60de (diff)
downloadlinux-9063759540daac40cc1f402f83a3be6b489f8583.tar.bz2
x86/oprofile: remove #ifdefs in ibs functions
IBS code is moved to separate functions. This allows the removal of #ifdefs in functions. Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch/x86/oprofile')
-rw-r--r--arch/x86/oprofile/op_model_amd.c80
1 files changed, 46 insertions, 34 deletions
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 8fdf06e4edf9..b54c0880b7dc 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -220,6 +220,50 @@ op_amd_handle_ibs(struct pt_regs * const regs,
return 1;
}
+static inline void op_amd_start_ibs(void)
+{
+ unsigned int low, high;
+ if (has_ibs && ibs_config.fetch_enabled) {
+ low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
+ high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
+ + IBS_FETCH_HIGH_ENABLE;
+ wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
+ }
+
+ if (has_ibs && ibs_config.op_enabled) {
+ low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
+ + ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
+ + IBS_OP_LOW_ENABLE;
+ high = 0;
+ wrmsr(MSR_AMD64_IBSOPCTL, low, high);
+ }
+}
+
+static void op_amd_stop_ibs(void)
+{
+ unsigned int low, high;
+ if (has_ibs && ibs_config.fetch_enabled) {
+ /* clear max count and enable */
+ low = 0;
+ high = 0;
+ wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
+ }
+
+ if (has_ibs && ibs_config.op_enabled) {
+ /* clear max count and enable */
+ low = 0;
+ high = 0;
+ wrmsr(MSR_AMD64_IBSOPCTL, low, high);
+ }
+}
+
+#else
+
+static inline int op_amd_handle_ibs(struct pt_regs * const regs,
+ struct op_msrs const * const msrs) { }
+static inline void op_amd_start_ibs(void) { }
+static inline void op_amd_stop_ibs(void) { }
+
#endif
static int op_amd_check_ctrs(struct pt_regs * const regs,
@@ -238,9 +282,7 @@ static int op_amd_check_ctrs(struct pt_regs * const regs,
}
}
-#ifdef CONFIG_OPROFILE_IBS
op_amd_handle_ibs(regs, msrs);
-#endif
/* See op_model_ppro.c */
return 1;
@@ -258,25 +300,9 @@ static void op_amd_start(struct op_msrs const * const msrs)
}
}
-#ifdef CONFIG_OPROFILE_IBS
- if (has_ibs && ibs_config.fetch_enabled) {
- low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
- high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
- + IBS_FETCH_HIGH_ENABLE;
- wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
- }
-
- if (has_ibs && ibs_config.op_enabled) {
- low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
- + ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
- + IBS_OP_LOW_ENABLE;
- high = 0;
- wrmsr(MSR_AMD64_IBSOPCTL, low, high);
- }
-#endif
+ op_amd_start_ibs();
}
-
static void op_amd_stop(struct op_msrs const * const msrs)
{
unsigned int low, high;
@@ -294,21 +320,7 @@ static void op_amd_stop(struct op_msrs const * const msrs)
CTRL_WRITE(low, high, msrs, i);
}
-#ifdef CONFIG_OPROFILE_IBS
- if (has_ibs && ibs_config.fetch_enabled) {
- /* clear max count and enable */
- low = 0;
- high = 0;
- wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
- }
-
- if (has_ibs && ibs_config.op_enabled) {
- /* clear max count and enable */
- low = 0;
- high = 0;
- wrmsr(MSR_AMD64_IBSOPCTL, low, high);
- }
-#endif
+ op_amd_stop_ibs();
}
static void op_amd_shutdown(struct op_msrs const * const msrs)