diff options
Diffstat (limited to 'include/linux/perf_event.h')
| -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); extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs); +static inline void +perf_callchain_store(struct perf_callchain_entry *entry, u64 ip) +{ + if (entry->nr < PERF_MAX_STACK_DEPTH) + entry->ip[entry->nr++] = ip; +} + extern int sysctl_perf_event_paranoid; extern int sysctl_perf_event_mlock; extern int sysctl_perf_event_sample_rate; |