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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-04 12:13:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-04 12:13:10 -0700
commit8ce42c8b7fdf4fc008a6fc7349beb8f4dd5cb774 (patch)
treebc05326ed8ade9137e3ce5fb5b1d439dcdce266f /include
parent0121b0c771f929bb5298554b70843ab46280c298 (diff)
parent6e03bb5ad363fdbe4e1e227cfb78f7978c662e18 (diff)
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf: Always build the powerpc perf_arch_fetch_caller_regs version perf: Always build the stub perf_arch_fetch_caller_regs version perf, probe-finder: Build fix on Debian perf/scripts: Tuple was set from long in both branches in python_process_event() perf: Fix 'perf sched record' deadlock perf, x86: Fix callgraphs of 32-bit processes on 64-bit kernels perf, x86: Fix AMD hotplug & constraint initialization x86: Move notify_cpu_starting() callback to a later stage x86,kgdb: Always initialize the hw breakpoint attribute perf: Use hot regs with software sched switch/migrate events perf: Correctly align perf event tracing buffer
Diffstat (limited to 'include')
-rw-r--r--include/linux/perf_event.h21
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)