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authorJeremy Fitzhardinge <jeremy@xensource.com>2007-07-17 21:37:05 -0400
committerJeremy Fitzhardinge <jeremy@goop.org>2007-07-18 11:47:43 -0400
commitab55028886dd1dd54585f22bf19a00eb23869340 (patch)
tree083c0c3603242c3794eb9396342a590cf920a8b8 /arch/i386/xen/xen-ops.h
parentf91a8b447b9af64f589f6e13fec7f09b5927563d (diff)
xen: Implement sched_clock
Implement xen_sched_clock, which returns the number of ns the current vcpu has been actually in an unstolen state (ie, running or blocked, vs runnable-but-not-running, or offline) since boot. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Acked-by: Chris Wright <chrisw@sous-sol.org> Cc: john stultz <johnstul@us.ibm.com>
Diffstat (limited to 'arch/i386/xen/xen-ops.h')
-rw-r--r--arch/i386/xen/xen-ops.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/i386/xen/xen-ops.h b/arch/i386/xen/xen-ops.h
index 54d98b52085e..7667abd390ec 100644
--- a/arch/i386/xen/xen-ops.h
+++ b/arch/i386/xen/xen-ops.h
@@ -2,7 +2,6 @@
2#define XEN_OPS_H 2#define XEN_OPS_H
3 3
4#include <linux/init.h> 4#include <linux/init.h>
5#include <linux/clocksource.h>
6 5
7DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu); 6DECLARE_PER_CPU(struct vcpu_info *, xen_vcpu);
8DECLARE_PER_CPU(unsigned long, xen_cr3); 7DECLARE_PER_CPU(unsigned long, xen_cr3);
@@ -18,7 +17,7 @@ unsigned long xen_cpu_khz(void);
18void __init xen_time_init(void); 17void __init xen_time_init(void);
19unsigned long xen_get_wallclock(void); 18unsigned long xen_get_wallclock(void);
20int xen_set_wallclock(unsigned long time); 19int xen_set_wallclock(unsigned long time);
21cycle_t xen_clocksource_read(void); 20unsigned long long xen_sched_clock(void);
22 21
23void xen_mark_init_mm_pinned(void); 22void xen_mark_init_mm_pinned(void);
24 23