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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-06-29 19:34:05 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-08-19 01:30:11 +0200 |
| commit | 70791ce9ba68a5921c9905ef05d23f62a90bc10c (patch) | |
| tree | 9711ff02cb910e1d8709c09512dbe7e94224bdd8 /include/linux/perf_event.h | |
| parent | c1a65932fd7216fdc9a0db8bbffe1d47842f862c (diff) | |
| download | lwn-70791ce9ba68a5921c9905ef05d23f62a90bc10c.tar.gz lwn-70791ce9ba68a5921c9905ef05d23f62a90bc10c.zip | |
perf: Generalize callchain_store()
callchain_store() is the same on every archs, inline it in
perf_event.h and rename it to perf_callchain_store() to avoid
any collision.
This removes repetitive code.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: David Miller <davem@davemloft.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Borislav Petkov <bp@amd64.org>
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; |