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| author | Gleb Natapov <gleb@redhat.com> | 2009-07-07 15:00:57 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 07:33:11 +0200 |
| commit | 1000ff8d893765d7b56e32fe16dbe4814f172588 (patch) | |
| tree | f76731c391a5044c26531b2a00feeb98b6e457b0 /arch/x86/kvm/i8259.c | |
| parent | KVM: ignore msi request if !level (diff) | |
| download | linux-1000ff8d893765d7b56e32fe16dbe4814f172588.tar.xz linux-1000ff8d893765d7b56e32fe16dbe4814f172588.zip | |
KVM: Add trace points in irqchip code
Add tracepoint in msi/ioapic/pic set_irq() functions,
in IPI sending and in the point where IRQ is placed into
apic's IRR.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/i8259.c')
| -rw-r--r-- | arch/x86/kvm/i8259.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 1d1bb75dc7bc..e4bcbddecb36 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -30,6 +30,7 @@ #include "irq.h" #include <linux/kvm_host.h> +#include "trace.h" static void pic_lock(struct kvm_pic *s) __acquires(&s->lock) @@ -190,6 +191,8 @@ int kvm_pic_set_irq(void *opaque, int irq, int level) if (irq >= 0 && irq < PIC_NUM_PINS) { ret = pic_set_irq1(&s->pics[irq >> 3], irq & 7, level); pic_update_irq(s); + trace_kvm_pic_set_irq(irq >> 3, irq & 7, s->pics[irq >> 3].elcr, + s->pics[irq >> 3].imr, ret == 0); } pic_unlock(s); |