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Merge branch 'perf/x86' into perf/core, because it's ready

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2015-03-27 09:46:19 +01:00
parent 072e5a1cfa 50f16a8bf9
commit 936c663aed
11 changed files with 1514 additions and 63 deletions
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50
include/linux/perf_event.h
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@@ -53,6 +53,7 @@ struct perf_guest_info_callbacks {
#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 {
@@ -118,10 +119,16 @@ struct hw_perf_event {
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 */
/*
@@ -129,12 +136,12 @@ struct hw_perf_event {
* 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;
@@ -271,6 +278,11 @@ struct pmu {
*/
size_t task_ctx_size;
/*
* Return the count value for a counter.
*/
u64 (*count) (struct perf_event *event); /*optional*/
};
/**
@@ -547,6 +559,35 @@ struct perf_output_handle {
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);
@@ -740,6 +781,11 @@ static inline void perf_event_task_sched_out(struct task_struct *prev,
__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);