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authorThomas Gleixner <tglx@linutronix.de>2013-05-05 08:24:42 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-05-05 08:27:03 +0200
commitf99e44a7f3352d7131c7526207f153f13ec5acd4 (patch)
tree0f448b21128c478053ee7f7765b865954c4eebe8 /kernel/trace/trace_clock.c
parentfd29f424d458118f02e89596505c68a63dcb3007 (diff)
parentce857229e0c3adc211944a13a5579ef84fd7b4af (diff)
Merge branch 'linus' into core/urgent
Update with Linus tree so fixes for the same can be applied. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace_clock.c')
-rw-r--r--kernel/trace/trace_clock.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
index aa8f5f48dae6..26dc348332b7 100644
--- a/kernel/trace/trace_clock.c
+++ b/kernel/trace/trace_clock.c
@@ -57,6 +57,16 @@ u64 notrace trace_clock(void)
return local_clock();
}
+/*
+ * trace_jiffy_clock(): Simply use jiffies as a clock counter.
+ */
+u64 notrace trace_clock_jiffies(void)
+{
+ u64 jiffy = jiffies - INITIAL_JIFFIES;
+
+ /* Return nsecs */
+ return (u64)jiffies_to_usecs(jiffy) * 1000ULL;
+}
/*
* trace_clock_global(): special globally coherent trace clock