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authorPeter Xu <peterx@redhat.com>2016-07-14 13:56:35 +0800
committerMichael S. Tsirkin <mst@redhat.com>2016-07-21 20:44:19 +0300
commit54a6c11b20bb635ac5bb5d9369782bf00d0c7e19 (patch)
treed0d09e56c6a6e5fe0b090f17a6373bb4c21e1866
parenta3f409cb4a35d9aa6a4d24a7a1e05423e189cb7a (diff)
downloadqemu-54a6c11b20bb635ac5bb5d9369782bf00d0c7e19.tar.gz
kvm-all: add trace events for kvm irqchip ops
These will help us monitoring irqchip route activities more easily. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--kvm-all.c5
-rw-r--r--trace-events3
2 files changed, 8 insertions, 0 deletions
diff --git a/kvm-all.c b/kvm-all.c
index 3764ba9743..ef81ca532a 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -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);
}
diff --git a/trace-events b/trace-events
index 476705996b..52c6a6cccf 100644
--- a/trace-events
+++ b/trace-events
@@ -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