Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

x86/oprofile: remove #ifdefs in ibs functions

Browse source 
IBS code is moved to separate functions. This allows the removal
of #ifdefs in functions.

Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter 2009-03-10 19:15:57 +01:00
parent fecfe6320b
commit 9063759540
1 changed files with 46 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

80
arch/x86/oprofile/op_model_amd.c
View file

@ -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)