summaryrefslogtreecommitdiff
path: root/include/linux/perf_event.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/perf_event.h')
-rw-r--r--include/linux/perf_event.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 79ec7bbf0155..f291275ffd71 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -121,6 +121,7 @@ struct hw_perf_event {
struct { /* intel_cqm */
int cqm_state;
u32 cqm_rmid;
+ int is_group_event;
struct list_head cqm_events_entry;
struct list_head cqm_groups_entry;
struct list_head cqm_group_entry;
@@ -128,6 +129,10 @@ struct hw_perf_event {
struct { /* itrace */
int itrace_started;
};
+ struct { /* amd_power */
+ u64 pwr_acc;
+ u64 ptsc;
+ };
#ifdef CONFIG_HAVE_HW_BREAKPOINT
struct { /* breakpoint */
/*
@@ -966,11 +971,20 @@ DECLARE_PER_CPU(struct perf_callchain_entry, perf_callchain_entry);
extern void perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs);
extern void perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs);
+extern struct perf_callchain_entry *
+get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user,
+ bool crosstask, bool add_mark);
+extern int get_callchain_buffers(void);
+extern void put_callchain_buffers(void);
-static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
+static inline int perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
{
- if (entry->nr < PERF_MAX_STACK_DEPTH)
+ if (entry->nr < PERF_MAX_STACK_DEPTH) {
entry->ip[entry->nr++] = ip;
+ return 0;
+ } else {
+ return -1; /* no more room, stop walking the stack */
+ }
}
extern int sysctl_perf_event_paranoid;