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FromRobert Richter <>
Subject[PATCH 14/15] perf, x86: add some IBS macros to perf_event.h
DateFri, 26 Feb 2010 18:30:06 +0100
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
arch/x86/include/asm/perf_event.h | 4 +++-
arch/x86/oprofile/op_model_amd.c | 6 +++---
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 4745f65..237c3d9 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -109,12 +109,14 @@ 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);
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index c671749..8ddb9fa 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -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;
--
1.6.6



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