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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2010-05-25 10:48:51 +0200
committerIngo Molnar <mingo@elte.hu>2010-06-09 10:34:49 +0200
commitc676329abb2b8359d9a5d734dec0c81779823fd6 (patch)
treeb6c33715176221a87100228399c2a6f5049e44ea /arch/parisc
parent95ae3c59fa8ad616c73745e21154b5af0fb10168 (diff)
sched_clock: Add local_clock() API and improve documentation
For people who otherwise get to write: cpu_clock(smp_processor_id()), there is now: local_clock(). Also, as per suggestion from Andrew, provide some documentation on the various clock interfaces, and minimize the unsigned long long vs u64 mess. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Jens Axboe <jaxboe@fusionio.com> LKML-Reference: <1275052414.1645.52.camel@laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/ftrace.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index 9877372ffdba..5beb97bafbb1 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -82,7 +82,7 @@ unsigned long ftrace_return_to_handler(unsigned long retval0,
unsigned long ret;
pop_return_trace(&trace, &ret);
- trace.rettime = cpu_clock(raw_smp_processor_id());
+ trace.rettime = local_clock();
ftrace_graph_return(&trace);
if (unlikely(!ret)) {
@@ -126,7 +126,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
return;
}
- calltime = cpu_clock(raw_smp_processor_id());
+ calltime = local_clock();
if (push_return_trace(old, calltime,
self_addr, &trace.depth) == -EBUSY) {