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| author | Ingo Molnar <mingo@elte.hu> | 2010-04-02 19:29:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-02 19:29:17 +0200 |
| commit | 50d11d190afa4e21284b735bb0a092036f298f0b (patch) | |
| tree | 098257e5933d1b1a5cbbc3470cef20a4cb856836 /include/linux | |
| parent | 42be79e37e264557f12860fa4cc84b4de3685954 (diff) | |
| parent | ab310b5edb8b601bcb02491ed6f7676da4fd1757 (diff) | |
| download | linux-50d11d190afa4e21284b735bb0a092036f298f0b.tar.gz linux-50d11d190afa4e21284b735bb0a092036f298f0b.tar.bz2 linux-50d11d190afa4e21284b735bb0a092036f298f0b.zip | |
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/urgent
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/perf_event.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 95477038a72a..c8e375440403 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -842,13 +842,6 @@ extern atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX]; extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64); -static inline void -perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr) -{ - if (atomic_read(&perf_swevent_enabled[event_id])) - __perf_sw_event(event_id, nr, nmi, regs, addr); -} - extern void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip); @@ -887,6 +880,20 @@ static inline void perf_fetch_caller_regs(struct pt_regs *regs, int skip) return perf_arch_fetch_caller_regs(regs, ip, skip); } +static inline void +perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr) +{ + if (atomic_read(&perf_swevent_enabled[event_id])) { + struct pt_regs hot_regs; + + if (!regs) { + perf_fetch_caller_regs(&hot_regs, 1); + regs = &hot_regs; + } + __perf_sw_event(event_id, nr, nmi, regs, addr); + } +} + extern void __perf_event_mmap(struct vm_area_struct *vma); static inline void perf_event_mmap(struct vm_area_struct *vma) |