diff options
author | Ingo Molnar <mingo@kernel.org> | 2015-03-27 11:46:19 +0300 |
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committer | Ingo Molnar <mingo@kernel.org> | 2015-03-27 11:46:19 +0300 |
commit | 936c663aed930972f7e185485fd6c2da69e33819 (patch) | |
tree | 41bb069f66e109fc63c4114a4390de44d3068356 /include | |
parent | 072e5a1cfabca7276744d24726e094d85721df5c (diff) | |
parent | 50f16a8bf9d7a92c437ed1867d0f7e1dc6a9aca9 (diff) | |
download | linux-936c663aed930972f7e185485fd6c2da69e33819.tar.xz |
Merge branch 'perf/x86' into perf/core, because it's ready
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/perf_event.h | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index a503100388cc..b16eac5f54ce 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -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); |