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| author | Gleb Natapov <gleb@redhat.com> | 2009-07-07 16:00:57 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:11 +0300 |
| commit | 1000ff8d893765d7b56e32fe16dbe4814f172588 (patch) | |
| tree | f76731c391a5044c26531b2a00feeb98b6e457b0 /virt | |
| parent | 07fb8bb29f5269f30afa6f1b3d941406677f6ad2 (diff) | |
| download | kernel_samsung_aries-1000ff8d893765d7b56e32fe16dbe4814f172588.zip kernel_samsung_aries-1000ff8d893765d7b56e32fe16dbe4814f172588.tar.gz kernel_samsung_aries-1000ff8d893765d7b56e32fe16dbe4814f172588.tar.bz2 | |
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 'virt')
| -rw-r--r-- | virt/kvm/ioapic.c | 2 | ||||
| -rw-r--r-- | virt/kvm/irq_comm.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index 92496ff..b91fbb2 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -36,6 +36,7 @@ #include <asm/processor.h> #include <asm/page.h> #include <asm/current.h> +#include <trace/events/kvm.h> #include "ioapic.h" #include "lapic.h" @@ -193,6 +194,7 @@ int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level) (!edge && !entry.fields.remote_irr)) ret = ioapic_service(ioapic, irq); } + trace_kvm_ioapic_set_irq(entry.bits, irq, ret == 0); } return ret; } diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index a9d7fd1..001663f 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -100,6 +100,8 @@ static int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, { struct kvm_lapic_irq irq; + trace_kvm_msi_set_irq(e->msi.address_lo, e->msi.data); + irq.dest_id = (e->msi.address_lo & MSI_ADDR_DEST_ID_MASK) >> MSI_ADDR_DEST_ID_SHIFT; irq.vector = (e->msi.data & |