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-rw-r--r--include/linux/perf_event.h50
1 files changed, 45 insertions, 5 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index dda5b0a3ff60..614615b8d42b 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -225,8 +225,14 @@ struct perf_event_attr {
225 }; 225 };
226 226
227 __u32 bp_type; 227 __u32 bp_type;
228 __u64 bp_addr; 228 union {
229 __u64 bp_len; 229 __u64 bp_addr;
230 __u64 config1; /* extension of config */
231 };
232 union {
233 __u64 bp_len;
234 __u64 config2; /* extension of config1 */
235 };
230}; 236};
231 237
232/* 238/*
@@ -464,6 +470,7 @@ enum perf_callchain_context {
464 470
465#define PERF_FLAG_FD_NO_GROUP (1U << 0) 471#define PERF_FLAG_FD_NO_GROUP (1U << 0)
466#define PERF_FLAG_FD_OUTPUT (1U << 1) 472#define PERF_FLAG_FD_OUTPUT (1U << 1)
473#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */
467 474
468#ifdef __KERNEL__ 475#ifdef __KERNEL__
469/* 476/*
@@ -471,6 +478,7 @@ enum perf_callchain_context {
471 */ 478 */
472 479
473#ifdef CONFIG_PERF_EVENTS 480#ifdef CONFIG_PERF_EVENTS
481# include <linux/cgroup.h>
474# include <asm/perf_event.h> 482# include <asm/perf_event.h>
475# include <asm/local64.h> 483# include <asm/local64.h>
476#endif 484#endif
@@ -539,6 +547,9 @@ struct hw_perf_event {
539 unsigned long event_base; 547 unsigned long event_base;
540 int idx; 548 int idx;
541 int last_cpu; 549 int last_cpu;
550 unsigned int extra_reg;
551 u64 extra_config;
552 int extra_alloc;
542 }; 553 };
543 struct { /* software */ 554 struct { /* software */
544 struct hrtimer hrtimer; 555 struct hrtimer hrtimer;
@@ -716,6 +727,22 @@ struct swevent_hlist {
716#define PERF_ATTACH_GROUP 0x02 727#define PERF_ATTACH_GROUP 0x02
717#define PERF_ATTACH_TASK 0x04 728#define PERF_ATTACH_TASK 0x04
718 729
730#ifdef CONFIG_CGROUP_PERF
731/*
732 * perf_cgroup_info keeps track of time_enabled for a cgroup.
733 * This is a per-cpu dynamically allocated data structure.
734 */
735struct perf_cgroup_info {
736 u64 time;
737 u64 timestamp;
738};
739
740struct perf_cgroup {
741 struct cgroup_subsys_state css;
742 struct perf_cgroup_info *info; /* timing info, one per cpu */
743};
744#endif
745
719/** 746/**
720 * struct perf_event - performance event kernel representation: 747 * struct perf_event - performance event kernel representation:
721 */ 748 */
@@ -832,6 +859,11 @@ struct perf_event {
832 struct event_filter *filter; 859 struct event_filter *filter;
833#endif 860#endif
834 861
862#ifdef CONFIG_CGROUP_PERF
863 struct perf_cgroup *cgrp; /* cgroup event is attach to */
864 int cgrp_defer_enabled;
865#endif
866
835#endif /* CONFIG_PERF_EVENTS */ 867#endif /* CONFIG_PERF_EVENTS */
836}; 868};
837 869
@@ -886,6 +918,7 @@ struct perf_event_context {
886 u64 generation; 918 u64 generation;
887 int pin_count; 919 int pin_count;
888 struct rcu_head rcu_head; 920 struct rcu_head rcu_head;
921 int nr_cgroups; /* cgroup events present */
889}; 922};
890 923
891/* 924/*
@@ -905,6 +938,9 @@ struct perf_cpu_context {
905 struct list_head rotation_list; 938 struct list_head rotation_list;
906 int jiffies_interval; 939 int jiffies_interval;
907 struct pmu *active_pmu; 940 struct pmu *active_pmu;
941#ifdef CONFIG_CGROUP_PERF
942 struct perf_cgroup *cgrp;
943#endif
908}; 944};
909 945
910struct perf_output_handle { 946struct perf_output_handle {
@@ -1040,11 +1076,11 @@ have_event:
1040 __perf_sw_event(event_id, nr, nmi, regs, addr); 1076 __perf_sw_event(event_id, nr, nmi, regs, addr);
1041} 1077}
1042 1078
1043extern atomic_t perf_task_events; 1079extern atomic_t perf_sched_events;
1044 1080
1045static inline void perf_event_task_sched_in(struct task_struct *task) 1081static inline void perf_event_task_sched_in(struct task_struct *task)
1046{ 1082{
1047 COND_STMT(&perf_task_events, __perf_event_task_sched_in(task)); 1083 COND_STMT(&perf_sched_events, __perf_event_task_sched_in(task));
1048} 1084}
1049 1085
1050static inline 1086static inline
@@ -1052,7 +1088,7 @@ void perf_event_task_sched_out(struct task_struct *task, struct task_struct *nex
1052{ 1088{
1053 perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0); 1089 perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0);
1054 1090
1055 COND_STMT(&perf_task_events, __perf_event_task_sched_out(task, next)); 1091 COND_STMT(&perf_sched_events, __perf_event_task_sched_out(task, next));
1056} 1092}
1057 1093
1058extern void perf_event_mmap(struct vm_area_struct *vma); 1094extern void perf_event_mmap(struct vm_area_struct *vma);
@@ -1083,6 +1119,10 @@ extern int sysctl_perf_event_paranoid;
1083extern int sysctl_perf_event_mlock; 1119extern int sysctl_perf_event_mlock;
1084extern int sysctl_perf_event_sample_rate; 1120extern int sysctl_perf_event_sample_rate;
1085 1121
1122extern int perf_proc_update_handler(struct ctl_table *table, int write,
1123 void __user *buffer, size_t *lenp,
1124 loff_t *ppos);
1125
1086static inline bool perf_paranoid_tracepoint_raw(void) 1126static inline bool perf_paranoid_tracepoint_raw(void)
1087{ 1127{
1088 return sysctl_perf_event_paranoid > -1; 1128 return sysctl_perf_event_paranoid > -1;