From: kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk>
Date: Fri, 14 May 2004 10:10:54 +0000 (+0000)
Subject: bitkeeper revision 1.891.1.19 (40a49b2eZfynI3tLUn0NhSwoKrukoA)
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~18211^2~11
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=410b361ff872c0b21cae1e3df58a34a2f2559d8c;p=xen.git

bitkeeper revision 1.891.1.19 (40a49b2eZfynI3tLUn0NhSwoKrukoA)

IPI counters.
---

diff --git a/xen/arch/i386/smp.c b/xen/arch/i386/smp.c
index 5ed43d5551..57869c7b77 100644
--- a/xen/arch/i386/smp.c
+++ b/xen/arch/i386/smp.c
@@ -226,6 +226,7 @@ static volatile unsigned long flush_cpumask;
 asmlinkage void smp_invalidate_interrupt(void)
 {
     ack_APIC_irq();
+    perfc_incrc(ipis);
     local_flush_tlb();
     clear_bit(smp_processor_id(), &flush_cpumask);
 }
@@ -419,6 +420,7 @@ void smp_send_stop(void)
 asmlinkage void smp_event_check_interrupt(void)
 {
     ack_APIC_irq();
+    perfc_incrc(ipis);
 }
 
 asmlinkage void smp_call_function_interrupt(void)
@@ -428,6 +430,8 @@ asmlinkage void smp_call_function_interrupt(void)
     int wait = call_data->wait;
 
     ack_APIC_irq();
+    perfc_incrc(ipis);
+
     /*
      * Notify initiating CPU that I've grabbed the data and am
      * about to execute the function
diff --git a/xen/include/xen/perfc_defn.h b/xen/include/xen/perfc_defn.h
index bf06719e35..850edf96c0 100644
--- a/xen/include/xen/perfc_defn.h
+++ b/xen/include/xen/perfc_defn.h
@@ -1,5 +1,6 @@
 
 PERFCOUNTER_CPU( irqs,         "#interrupts" )
+PERFCOUNTER_CPU( ipis,         "#IPIs" )
 PERFCOUNTER_CPU( irq_time,     "cycles spent in irq handler" )
 
 PERFCOUNTER_CPU( apic_timer,   "apic timer interrupts" )