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Diffstat (limited to 'include/linux/perf_event.h')
-rw-r--r--include/linux/perf_event.h35
1 files changed, 29 insertions, 6 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9ded2e582c60..48d851fbd8ea 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -305,6 +305,7 @@ struct perf_event_pmu_context;
#define PERF_PMU_CAP_EXTENDED_HW_TYPE 0x0100
#define PERF_PMU_CAP_AUX_PAUSE 0x0200
#define PERF_PMU_CAP_AUX_PREFER_LARGE 0x0400
+#define PERF_PMU_CAP_MEDIATED_VPMU 0x0800
/**
* pmu::scope
@@ -998,6 +999,11 @@ struct perf_event_groups {
u64 index;
};
+struct perf_time_ctx {
+ u64 time;
+ u64 stamp;
+ u64 offset;
+};
/**
* struct perf_event_context - event context structure
@@ -1036,9 +1042,12 @@ struct perf_event_context {
/*
* Context clock, runs when context enabled.
*/
- u64 time;
- u64 timestamp;
- u64 timeoffset;
+ struct perf_time_ctx time;
+
+ /*
+ * Context clock, runs when in the guest mode.
+ */
+ struct perf_time_ctx timeguest;
/*
* These fields let us detect when two contexts have both
@@ -1171,9 +1180,8 @@ struct bpf_perf_event_data_kern {
* This is a per-cpu dynamically allocated data structure.
*/
struct perf_cgroup_info {
- u64 time;
- u64 timestamp;
- u64 timeoffset;
+ struct perf_time_ctx time;
+ struct perf_time_ctx timeguest;
int active;
};
@@ -1669,6 +1677,8 @@ struct perf_guest_info_callbacks {
unsigned int (*state)(void);
unsigned long (*get_ip)(void);
unsigned int (*handle_intel_pt_intr)(void);
+
+ void (*handle_mediated_pmi)(void);
};
#ifdef CONFIG_GUEST_PERF_EVENTS
@@ -1678,6 +1688,7 @@ extern struct perf_guest_info_callbacks __rcu *perf_guest_cbs;
DECLARE_STATIC_CALL(__perf_guest_state, *perf_guest_cbs->state);
DECLARE_STATIC_CALL(__perf_guest_get_ip, *perf_guest_cbs->get_ip);
DECLARE_STATIC_CALL(__perf_guest_handle_intel_pt_intr, *perf_guest_cbs->handle_intel_pt_intr);
+DECLARE_STATIC_CALL(__perf_guest_handle_mediated_pmi, *perf_guest_cbs->handle_mediated_pmi);
static inline unsigned int perf_guest_state(void)
{
@@ -1694,6 +1705,11 @@ static inline unsigned int perf_guest_handle_intel_pt_intr(void)
return static_call(__perf_guest_handle_intel_pt_intr)();
}
+static inline void perf_guest_handle_mediated_pmi(void)
+{
+ static_call(__perf_guest_handle_mediated_pmi)();
+}
+
extern void perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *cbs);
extern void perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *cbs);
@@ -1914,6 +1930,13 @@ extern int perf_event_account_interrupt(struct perf_event *event);
extern int perf_event_period(struct perf_event *event, u64 value);
extern u64 perf_event_pause(struct perf_event *event, bool reset);
+#ifdef CONFIG_PERF_GUEST_MEDIATED_PMU
+int perf_create_mediated_pmu(void);
+void perf_release_mediated_pmu(void);
+void perf_load_guest_context(void);
+void perf_put_guest_context(void);
+#endif
+
#else /* !CONFIG_PERF_EVENTS: */
static inline void *