Commit 54a6c11b authored by Peter Xu's avatar Peter Xu Committed by Michael S. Tsirkin
Browse files

kvm-all: add trace events for kvm irqchip ops 



These will help us monitoring irqchip route activities more easily.

Signed-off-by: default avatarPeter Xu <peterx@redhat.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent a3f409cb

kvm-all.c

+5 −0
Original line number Diff line number Diff line
@@ -1048,6 +1048,7 @@ void kvm_irqchip_commit_routes(KVMState *s) 
    int ret;



    s->irq_routes->flags = 0;

    trace_kvm_irqchip_commit_routes();

    ret = kvm_vm_ioctl(s, KVM_SET_GSI_ROUTING, s->irq_routes);

    assert(ret == 0);

}
@@ -1271,6 +1272,8 @@ int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev) 
        return -EINVAL;

    }



    trace_kvm_irqchip_add_msi_route(virq);



    kvm_add_routing_entry(s, &kroute);

    kvm_arch_add_msi_route_post(&kroute, vector, dev);

    kvm_irqchip_commit_routes(s);
@@ -1301,6 +1304,8 @@ int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, 
        return -EINVAL;

    }



    trace_kvm_irqchip_update_msi_route(virq);



    return kvm_update_routing_entry(s, &kroute);

}

trace-events

+3 −0
Original line number Diff line number Diff line
@@ -118,6 +118,9 @@ kvm_run_exit(int cpu_index, uint32_t reason) "cpu_index %d, reason %d" 
kvm_device_ioctl(int fd, int type, void *arg) "dev fd %d, type 0x%x, arg %p"

kvm_failed_reg_get(uint64_t id, const char *msg) "Warning: Unable to retrieve ONEREG %" PRIu64 " from KVM: %s"

kvm_failed_reg_set(uint64_t id, const char *msg) "Warning: Unable to set ONEREG %" PRIu64 " to KVM: %s"

kvm_irqchip_commit_routes(void) ""

kvm_irqchip_add_msi_route(int virq) "Adding MSI route virq=%d"

kvm_irqchip_update_msi_route(int virq) "Updating MSI route virq=%d"



# TCG related tracing (mostly disabled by default)

# cpu-exec.c