x86/oprofile: remove #ifdefs in ibs functions
IBS code is moved to separate functions. This allows the removal of #ifdefs in functions. Signed-off-by: Robert Richter <robert.richter@amd.com>
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fecfe6320b
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9063759540
1 changed files with 46 additions and 34 deletions
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@ -220,6 +220,50 @@ op_amd_handle_ibs(struct pt_regs * const regs,
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return 1;
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}
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static inline void op_amd_start_ibs(void)
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{
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unsigned int low, high;
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if (has_ibs && ibs_config.fetch_enabled) {
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low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
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high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
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+ IBS_FETCH_HIGH_ENABLE;
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wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
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}
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if (has_ibs && ibs_config.op_enabled) {
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low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
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+ ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
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+ IBS_OP_LOW_ENABLE;
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high = 0;
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wrmsr(MSR_AMD64_IBSOPCTL, low, high);
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}
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}
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static void op_amd_stop_ibs(void)
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{
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unsigned int low, high;
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if (has_ibs && ibs_config.fetch_enabled) {
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/* clear max count and enable */
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low = 0;
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high = 0;
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wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
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}
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if (has_ibs && ibs_config.op_enabled) {
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/* clear max count and enable */
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low = 0;
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high = 0;
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wrmsr(MSR_AMD64_IBSOPCTL, low, high);
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}
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}
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#else
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static inline int op_amd_handle_ibs(struct pt_regs * const regs,
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struct op_msrs const * const msrs) { }
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static inline void op_amd_start_ibs(void) { }
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static inline void op_amd_stop_ibs(void) { }
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#endif
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static int op_amd_check_ctrs(struct pt_regs * const regs,
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@ -238,9 +282,7 @@ static int op_amd_check_ctrs(struct pt_regs * const regs,
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}
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}
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#ifdef CONFIG_OPROFILE_IBS
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op_amd_handle_ibs(regs, msrs);
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#endif
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/* See op_model_ppro.c */
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return 1;
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@ -258,25 +300,9 @@ static void op_amd_start(struct op_msrs const * const msrs)
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}
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}
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#ifdef CONFIG_OPROFILE_IBS
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if (has_ibs && ibs_config.fetch_enabled) {
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low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
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high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
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+ IBS_FETCH_HIGH_ENABLE;
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wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
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op_amd_start_ibs();
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}
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if (has_ibs && ibs_config.op_enabled) {
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low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
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+ ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
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+ IBS_OP_LOW_ENABLE;
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high = 0;
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wrmsr(MSR_AMD64_IBSOPCTL, low, high);
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}
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#endif
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}
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static void op_amd_stop(struct op_msrs const * const msrs)
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{
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unsigned int low, high;
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@ -294,21 +320,7 @@ static void op_amd_stop(struct op_msrs const * const msrs)
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CTRL_WRITE(low, high, msrs, i);
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}
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#ifdef CONFIG_OPROFILE_IBS
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if (has_ibs && ibs_config.fetch_enabled) {
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/* clear max count and enable */
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low = 0;
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high = 0;
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wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
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}
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if (has_ibs && ibs_config.op_enabled) {
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/* clear max count and enable */
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low = 0;
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high = 0;
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wrmsr(MSR_AMD64_IBSOPCTL, low, high);
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}
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#endif
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op_amd_stop_ibs();
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}
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static void op_amd_shutdown(struct op_msrs const * const msrs)
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