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| author | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2004-05-14 10:10:54 +0000 |
|---|---|---|
| committer | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2004-05-14 10:10:54 +0000 |
| commit | 410b361ff872c0b21cae1e3df58a34a2f2559d8c (patch) | |
| tree | e8c66275a69ef0c5222046a6a933fa3d787b389b /xen | |
| parent | b6ee24aca560d0892d9c88080079e94697bcad4d (diff) | |
| download | xen-410b361ff872c0b21cae1e3df58a34a2f2559d8c.tar.gz xen-410b361ff872c0b21cae1e3df58a34a2f2559d8c.tar.bz2 xen-410b361ff872c0b21cae1e3df58a34a2f2559d8c.zip | |
bitkeeper revision 1.891.1.19 (40a49b2eZfynI3tLUn0NhSwoKrukoA)
IPI counters.
Diffstat (limited to 'xen')
| -rw-r--r-- | xen/arch/i386/smp.c | 4 | ||||
| -rw-r--r-- | xen/include/xen/perfc_defn.h | 1 |
2 files changed, 5 insertions, 0 deletions
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" ) |