Messages in this thread Patch in this message |  | | | From | Robert Richter <> | | Subject | [PATCH 06/23] x86/oprofile: remove #ifdefs in ibs functions | | Date | Fri, 12 Jun 2009 14:35:23 +0200 |
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IBS code is moved to separate functions. This allows the removal of #ifdefs in functions.
Signed-off-by: Robert Richter <robert.richter@amd.com> --- arch/x86/oprofile/op_model_amd.c | 80 ++++++++++++++++++++++---------------- 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 8fdf06e..b54c088 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) -- 1.6.3.1
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