struct list_head cqm_groups_entry;
struct list_head cqm_group_entry;
};
+ struct { /* itrace */
+ int itrace_started;
+ };
#ifdef CONFIG_HAVE_HW_BREAKPOINT
struct { /* breakpoint */
/*
* pmu::capabilities flags
*/
#define PERF_PMU_CAP_NO_INTERRUPT 0x01
+#define PERF_PMU_CAP_NO_NMI 0x02
+#define PERF_PMU_CAP_AUX_NO_SG 0x04
+#define PERF_PMU_CAP_AUX_SW_DOUBLEBUF 0x08
+#define PERF_PMU_CAP_EXCLUSIVE 0x10
+#define PERF_PMU_CAP_ITRACE 0x20
/**
* struct pmu - generic performance monitoring unit
int * __percpu pmu_disable_count;
struct perf_cpu_context * __percpu pmu_cpu_context;
+ atomic_t exclusive_cnt; /* < 0: cpu; > 0: tsk */
int task_ctx_nr;
int hrtimer_interval_ms;
* Return the count value for a counter.
*/
u64 (*count) (struct perf_event *event); /*optional*/
+
+ /*
+ * Set up pmu-private data structures for an AUX area
+ */
+ void *(*setup_aux) (int cpu, void **pages,
+ int nr_pages, bool overwrite);
+ /* optional */
+
+ /*
+ * Free pmu-private AUX data structures
+ */
+ void (*free_aux) (void *aux); /* optional */
};
/**
struct pid_namespace *ns;
u64 id;
+ u64 (*clock)(void);
perf_overflow_handler_t overflow_handler;
void *overflow_handler_context;
struct ring_buffer *rb;
unsigned long wakeup;
unsigned long size;
- void *addr;
+ union {
+ void *addr;
+ unsigned long head;
+ };
int page;
};
#ifdef CONFIG_PERF_EVENTS
+extern void *perf_aux_output_begin(struct perf_output_handle *handle,
+ struct perf_event *event);
+extern void perf_aux_output_end(struct perf_output_handle *handle,
+ unsigned long size, bool truncated);
+extern int perf_aux_output_skip(struct perf_output_handle *handle,
+ unsigned long size);
+extern void *perf_get_aux(struct perf_output_handle *handle);
+
extern int perf_pmu_register(struct pmu *pmu, const char *name, int type);
extern void perf_pmu_unregister(struct pmu *pmu);
return event->attr.branch_sample_type != 0;
}
+static inline bool has_aux(struct perf_event *event)
+{
+ return event->pmu->setup_aux;
+}
+
extern int perf_output_begin(struct perf_output_handle *handle,
struct perf_event *event, unsigned int size);
extern void perf_output_end(struct perf_output_handle *handle);
extern int __perf_event_disable(void *info);
extern void perf_event_task_tick(void);
#else /* !CONFIG_PERF_EVENTS: */
+static inline void *
+perf_aux_output_begin(struct perf_output_handle *handle,
+ struct perf_event *event) { return NULL; }
+static inline void
+perf_aux_output_end(struct perf_output_handle *handle, unsigned long size,
+ bool truncated) { }
+static inline int
+perf_aux_output_skip(struct perf_output_handle *handle,
+ unsigned long size) { return -EINVAL; }
+static inline void *
+perf_get_aux(struct perf_output_handle *handle) { return NULL; }
static inline void
perf_event_task_sched_in(struct task_struct *prev,
struct task_struct *task) { }