diff options
Diffstat (limited to 'kern/perfmon.h')
| -rw-r--r-- | kern/perfmon.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/kern/perfmon.h b/kern/perfmon.h index 89fdd3d..1ab24be 100644 --- a/kern/perfmon.h +++ b/kern/perfmon.h @@ -52,6 +52,21 @@ #define PERFMON_EF_MASK (PERFMON_EF_KERN | PERFMON_EF_USER) /* + * Pmu operations. + * + * Set by calling perfmon_register_pmu_ops. + */ +struct perfmon_pmu_ops { + void (*info)(void); + int (*translate)(unsigned int *raw_event_idp, unsigned int event_id); + int (*alloc)(unsigned int *pmc_idp, unsigned int raw_event_id); + void (*free)(unsigned int pmc_id); + void (*start)(unsigned int pmc_id, unsigned int raw_event_id); + void (*stop)(unsigned int pmc_id); + uint64_t (*read)(unsigned int pmc_id); +}; + +/* * Performance monitoring event. * * An event describes a single, well-defined state and records its @@ -200,4 +215,17 @@ INIT_OP_DECLARE(perfmon_bootstrap); */ INIT_OP_DECLARE(perfmon_setup); +/* + * Register an architecture-specific driver. + */ +int +perfmon_pmu_register(struct perfmon_pmu_ops *driver); + +/* + * PMU init moduls + * - module fully initialized + */ +INIT_OP_DECLARE(pmu_intel_setup); +INIT_OP_DECLARE(pmu_amd_setup); + #endif /* _KERN_PERFMON_H */ |