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| author | Robert Richter | 2010-02-25 19:43:07 +0100 |
|---|---|---|
| committer | Robert Richter | 2010-03-01 11:23:15 +0100 |
| commit | a163b1099dc7016704043c7fc572ae42519f08f7 (patch) | |
| tree | 3ef749366e7a8a3bf94468ff7230f701fa2a49c8 /arch | |
| parent | perf, x86: make IBS macros available in perf_event.h (diff) | |
| download | kernel-qcow2-linux-a163b1099dc7016704043c7fc572ae42519f08f7.tar.gz kernel-qcow2-linux-a163b1099dc7016704043c7fc572ae42519f08f7.tar.xz kernel-qcow2-linux-a163b1099dc7016704043c7fc572ae42519f08f7.zip | |
perf, x86: add some IBS macros to perf_event.h
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/perf_event.h | 4 | ||||
| -rw-r--r-- | 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 4933ccde96c4..c7f60e1297ab 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -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); diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index c67174917305..8ddb9fa9c1b2 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; |