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| author | Ingo Molnar <mingo@elte.hu> | 2008-05-12 21:20:46 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 20:42:31 +0200 |
| commit | 750ed1a40783432d0dcb0e6c2e813a12615d7664 (patch) | |
| tree | dc2d0eae703ec2ad3fe9a5bc657da5dbe0af2385 /kernel/trace/trace.c | |
| parent | 4bf39a9411a4ce8712954e03a9bd1592ee345919 (diff) | |
| download | lwn-750ed1a40783432d0dcb0e6c2e813a12615d7664.tar.gz lwn-750ed1a40783432d0dcb0e6c2e813a12615d7664.zip | |
ftrace: timestamp syncing, prepare
rename and uninline now() to ftrace_now().
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 4550afda9607..e3778ab0d3f7 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -42,6 +42,11 @@ ns2usecs(cycle_t nsec) return nsec; } +notrace cycle_t ftrace_now(int cpu) +{ + return cpu_clock(cpu); +} + static atomic_t tracer_counter; static struct trace_array global_trace; @@ -607,7 +612,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) entry->idx = atomic_inc_return(&tracer_counter); entry->preempt_count = pc & 0xff; entry->pid = tsk->pid; - entry->t = now(raw_smp_processor_id()); + entry->t = ftrace_now(raw_smp_processor_id()); entry->flags = (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) | ((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) | ((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) | |