Re: [PATCH 2/11] Sched clock paravirt op

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Zachary Amsden wrote:
#include "mach_timer.h" @@ -102,9 +103,6 @@ unsigned long long sched_clock(void)
 {
 	unsigned long long this_offset;
- if (unlikely(custom_sched_clock))
-		return (*custom_sched_clock)();
-
 	/*
 	 * Fall back to jiffies if there's no TSC available:
 	 */
@@ -113,13 +111,13 @@ unsigned long long sched_clock(void)
 		return (jiffies_64 - INITIAL_JIFFIES) * (1000000000 / HZ);
/* read the Time Stamp Counter: */
-	rdtscll(this_offset);
+	get_scheduled_cycles(this_offset);
/* return the value in ns */
 	return cycles_2_ns(this_offset);
 }
I missed a title / signed-off on this guy.


Internally, sched_clock runs in units of nanoseconds, not CPU cycles. This was wrong in my previous patch. Fix it so everyone can use the same cycles_2_ns code in tsc.c.
Signed-off-by: Zachary Amsden <[email protected]>
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