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perf, x86: add some IBS macros to perf_event.h 

Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter 2010-02-25 19:43:07 +01:00
parent 1d6040f17d
commit a163b1099d
2 changed files with 6 additions and 4 deletions
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4
arch/x86/include/asm/perf_event.h
View File

@ -121,12 +121,14 @@ union cpuid10_edx {
#define IBS_FETCH_RAND_EN (1ULL<<57)
#define IBS_FETCH_VAL (1ULL<<49)
#define IBS_FETCH_ENABLE (1ULL<<48)
#define IBS_FETCH_CNT_MASK 0xFFFF0000ULL
#define IBS_FETCH_CNT 0xFFFF0000ULL
#define IBS_FETCH_MAX_CNT 0x0000FFFFULL
/* IbsOpCtl bits */
#define IBS_OP_CNT_CTL (1ULL<<19)
#define IBS_OP_VAL (1ULL<<18)
#define IBS_OP_ENABLE (1ULL<<17)
#define IBS_OP_MAX_CNT 0x0000FFFFULL
#ifdef CONFIG_PERF_EVENTS
extern void init_hw_perf_events(void);

6
arch/x86/oprofile/op_model_amd.c
View File

@ -279,7 +279,7 @@ op_amd_handle_ibs(struct pt_regs * const regs,
oprofile_write_commit(&entry);
/* reenable the IRQ */
ctl &= ~(IBS_FETCH_VAL | IBS_FETCH_CNT_MASK);
ctl &= ~(IBS_FETCH_VAL | IBS_FETCH_CNT);
ctl |= IBS_FETCH_ENABLE;
wrmsrl(MSR_AMD64_IBSFETCHCTL, ctl);
}
@ -319,7 +319,7 @@ static inline void op_amd_start_ibs(void)
return;
if (ibs_config.fetch_enabled) {
val = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
val = (ibs_config.max_cnt_fetch >> 4) & IBS_FETCH_MAX_CNT;
val |= ibs_config.rand_en ? IBS_FETCH_RAND_EN : 0;
val |= IBS_FETCH_ENABLE;
wrmsrl(MSR_AMD64_IBSFETCHCTL, val);
@ -341,7 +341,7 @@ static inline void op_amd_start_ibs(void)
* avoid underflows.
*/
ibs_op_ctl = min(ibs_op_ctl + IBS_RANDOM_MAXCNT_OFFSET,
0xFFFFULL);
IBS_OP_MAX_CNT);
}
if (ibs_caps & IBS_CAPS_OPCNT && ibs_config.dispatched_ops)
ibs_op_ctl |= IBS_OP_CNT_CTL;