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-rw-r--r--include/linux/perf_event.h53
1 files changed, 51 insertions, 2 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index c8e375440..24de5f1 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -203,8 +203,9 @@ struct perf_event_attr {
enable_on_exec : 1, /* next exec enables */
task : 1, /* trace fork/exit */
watermark : 1, /* wakeup_watermark */
+ precise : 1, /* OoO invariant counter */
- __reserved_1 : 49;
+ __reserved_1 : 48;
union {
__u32 wakeup_events; /* wakeup every n events */
@@ -287,11 +288,19 @@ struct perf_event_mmap_page {
__u64 data_tail; /* user-space written tail */
};
-#define PERF_RECORD_MISC_CPUMODE_MASK (3 << 0)
+#define PERF_RECORD_MISC_CPUMODE_MASK (7 << 0)
#define PERF_RECORD_MISC_CPUMODE_UNKNOWN (0 << 0)
#define PERF_RECORD_MISC_KERNEL (1 << 0)
#define PERF_RECORD_MISC_USER (2 << 0)
#define PERF_RECORD_MISC_HYPERVISOR (3 << 0)
+#define PERF_RECORD_MISC_GUEST_KERNEL (4 << 0)
+#define PERF_RECORD_MISC_GUEST_USER (5 << 0)
+
+#define PERF_RECORD_MISC_EXACT (1 << 14)
+/*
+ * Reserve the last bit to indicate some extended misc field
+ */
+#define PERF_RECORD_MISC_EXT_RESERVED (1 << 15)
struct perf_event_header {
__u32 type;
@@ -439,6 +448,12 @@ enum perf_callchain_context {
# include <asm/perf_event.h>
#endif
+struct perf_guest_info_callbacks {
+ int (*is_in_guest) (void);
+ int (*is_user_mode) (void);
+ unsigned long (*get_guest_ip) (void);
+};
+
#ifdef CONFIG_HAVE_HW_BREAKPOINT
#include <asm/hw_breakpoint.h>
#endif
@@ -468,6 +483,17 @@ struct perf_raw_record {
void *data;
};
+struct perf_branch_entry {
+ __u64 from;
+ __u64 to;
+ __u64 flags;
+};
+
+struct perf_branch_stack {
+ __u64 nr;
+ struct perf_branch_entry entries[0];
+};
+
struct task_struct;
/**
@@ -571,6 +597,14 @@ enum perf_group_flag {
PERF_GROUP_SOFTWARE = 0x1,
};
+#define SWEVENT_HLIST_BITS 8
+#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
+
+struct swevent_hlist {
+ struct hlist_head heads[SWEVENT_HLIST_SIZE];
+ struct rcu_head rcu_head;
+};
+
/**
* struct perf_event - performance event kernel representation:
*/
@@ -579,6 +613,7 @@ struct perf_event {
struct list_head group_entry;
struct list_head event_entry;
struct list_head sibling_list;
+ struct hlist_node hlist_entry;
int nr_siblings;
int group_flags;
struct perf_event *group_leader;
@@ -726,6 +761,9 @@ struct perf_cpu_context {
int active_oncpu;
int max_pertask;
int exclusive;
+ struct swevent_hlist *swevent_hlist;
+ struct mutex hlist_mutex;
+ int hlist_refcount;
/*
* Recursion avoidance:
@@ -902,6 +940,12 @@ static inline void perf_event_mmap(struct vm_area_struct *vma)
__perf_event_mmap(vma);
}
+extern struct perf_guest_info_callbacks *perf_guest_cbs;
+extern int perf_register_guest_info_callbacks(
+ struct perf_guest_info_callbacks *);
+extern int perf_unregister_guest_info_callbacks(
+ struct perf_guest_info_callbacks *);
+
extern void perf_event_comm(struct task_struct *tsk);
extern void perf_event_fork(struct task_struct *tsk);
@@ -971,6 +1015,11 @@ perf_sw_event(u32 event_id, u64 nr, int nmi,
static inline void
perf_bp_event(struct perf_event *event, void *data) { }
+static inline int perf_register_guest_info_callbacks
+(struct perf_guest_info_callbacks *) {return 0; }
+static inline int perf_unregister_guest_info_callbacks
+(struct perf_guest_info_callbacks *) {return 0; }
+
static inline void perf_event_mmap(struct vm_area_struct *vma) { }
static inline void perf_event_comm(struct task_struct *tsk) { }
static inline void perf_event_fork(struct task_struct *tsk) { }
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