xen/trace: add multicall tracing

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/xen/multicalls.h b/arch/x86/xen/multicalls.h
index fa7b8af759ee..dee79b78a90f 100644
--- a/arch/x86/xen/multicalls.h
+++ b/arch/x86/xen/multicalls.h
@@ -25,6 +25,7 @@ static inline void xen_mc_batch(void)
 
         /* need to disable interrupts until this entry is complete */
         local_irq_save(flags);
+        trace_xen_mc_batch(paravirt_get_lazy_mode());
         __this_cpu_write(xen_mc_irq_flags, flags);
 }
 
@@ -40,6 +41,8 @@ void xen_mc_flush(void);
 /* Issue a multicall if we're not in a lazy mode */
 static inline void xen_mc_issue(unsigned mode)
 {
+        trace_xen_mc_issue(mode);
+
         if ((paravirt_get_lazy_mode() & mode) == 0)
                 xen_mc_flush();