From 623d6fe767d67a3975c6acbf46808ac1b7d2346b Mon Sep 17 00:00:00 2001
From: "Bjoern B. Brandenburg" <bbb@cs.unc.edu>
Date: Tue, 28 Apr 2009 15:38:06 -0400
Subject: trace IPI latency on sparc64

---
 arch/sparc64/kernel/smp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index ebfaaf499c..e0d85ff881 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -47,6 +47,7 @@
 #include <asm/hypervisor.h>
 
 #include <litmus/litmus.h>
+#include <litmus/trace.h>
 
 extern void calibrate_delay(void);
 
@@ -1037,6 +1038,7 @@ void smp_receive_signal_client(int irq, struct pt_regs *regs)
 {
 	clear_softint(1 << irq);
 	set_tsk_need_resched(current);
+	TS_SEND_RESCHED_END;
 }
 
 void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
@@ -1417,6 +1419,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
 
 void smp_send_reschedule(int cpu)
 {
+	TS_SEND_RESCHED_START(cpu);
 	smp_receive_signal(cpu);
 }
 
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