diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/perf_event.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 937495c25073..358880404b42 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h | |||
@@ -978,6 +978,13 @@ extern void perf_event_fork(struct task_struct *tsk); | |||
978 | 978 | ||
979 | extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs); | 979 | extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs); |
980 | 980 | ||
981 | static inline void | ||
982 | perf_callchain_store(struct perf_callchain_entry *entry, u64 ip) | ||
983 | { | ||
984 | if (entry->nr < PERF_MAX_STACK_DEPTH) | ||
985 | entry->ip[entry->nr++] = ip; | ||
986 | } | ||
987 | |||
981 | extern int sysctl_perf_event_paranoid; | 988 | extern int sysctl_perf_event_paranoid; |
982 | extern int sysctl_perf_event_mlock; | 989 | extern int sysctl_perf_event_mlock; |
983 | extern int sysctl_perf_event_sample_rate; | 990 | extern int sysctl_perf_event_sample_rate; |