#include <linux/sysfs.h>
#include <linux/perf_regs.h>
#include <linux/workqueue.h>
+#include <linux/cgroup.h>
#include <asm/local.h>
struct perf_callchain_entry {
struct hrtimer hrtimer;
};
struct { /* tracepoint */
- struct task_struct *tp_target;
/* for tp_event->class */
struct list_head tp_list;
};
+ struct { /* intel_cqm */
+ int cqm_state;
+ int cqm_rmid;
+ struct list_head cqm_events_entry;
+ struct list_head cqm_groups_entry;
+ struct list_head cqm_group_entry;
+ };
#ifdef CONFIG_HAVE_HW_BREAKPOINT
struct { /* breakpoint */
/*
* problem hw_breakpoint has with context
* creation and event initalization.
*/
- struct task_struct *bp_target;
struct arch_hw_breakpoint info;
struct list_head bp_list;
};
#endif
};
+ struct task_struct *target;
int state;
local64_t prev_count;
u64 sample_period;
*/
size_t task_ctx_size;
+
+ /*
+ * Return the count value for a counter.
+ */
+ u64 (*count) (struct perf_event *event); /*optional*/
};
/**
int page;
};
+#ifdef CONFIG_CGROUP_PERF
+
+/*
+ * perf_cgroup_info keeps track of time_enabled for a cgroup.
+ * This is a per-cpu dynamically allocated data structure.
+ */
+struct perf_cgroup_info {
+ u64 time;
+ u64 timestamp;
+};
+
+struct perf_cgroup {
+ struct cgroup_subsys_state css;
+ struct perf_cgroup_info __percpu *info;
+};
+
+/*
+ * Must ensure cgroup is pinned (css_get) before calling
+ * this function. In other words, we cannot call this function
+ * if there is no cgroup event for the current CPU context.
+ */
+static inline struct perf_cgroup *
+perf_cgroup_from_task(struct task_struct *task)
+{
+ return container_of(task_css(task, perf_event_cgrp_id),
+ struct perf_cgroup, css);
+}
+#endif /* CONFIG_CGROUP_PERF */
+
#ifdef CONFIG_PERF_EVENTS
extern int perf_pmu_register(struct pmu *pmu, const char *name, int type);
__perf_event_task_sched_out(prev, next);
}
+static inline u64 __perf_event_count(struct perf_event *event)
+{
+ return local64_read(&event->count) + atomic64_read(&event->child_count);
+}
+
extern void perf_event_mmap(struct vm_area_struct *vma);
extern struct perf_guest_info_callbacks *perf_guest_cbs;
extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);