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authorCornelia Huck <cohuck@redhat.com>2019-02-12 15:50:00 +0100
committerCornelia Huck <cohuck@redhat.com>2019-02-18 11:25:43 +0100
commit747c432f1e63dab75e5ea6184d8e844a6d7e67f8 (patch)
treeb5fd79621d71b374fd93066d07e29121205d20d9
parentf2a7d1577115bda770d619ff5bc45db1f656edc3 (diff)
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s390x/kvm: add tracepoint to ioeventfd interface
Trace when assigning/unassigning. Message-Id: <20190212153025.25425-1-cohuck@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
-rw-r--r--target/s390x/kvm.c2
-rw-r--r--target/s390x/trace-events1
2 files changed, 3 insertions, 0 deletions
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 15fdc16..19530fb 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -1886,6 +1886,8 @@ int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
.addr = sch,
.len = 8,
};
+ trace_kvm_assign_subch_ioeventfd(kick.fd, kick.addr, assign,
+ kick.datamatch);
if (!kvm_check_extension(kvm_state, KVM_CAP_IOEVENTFD)) {
return -ENOSYS;
}
diff --git a/target/s390x/trace-events b/target/s390x/trace-events
index a84e316..e509b08 100644
--- a/target/s390x/trace-events
+++ b/target/s390x/trace-events
@@ -14,6 +14,7 @@ ioinst_chsc_cmd(uint16_t cmd, uint16_t len) "IOINST: chsc command 0x%04x, len 0x
kvm_enable_cmma(int rc) "CMMA: enabling with result code %d"
kvm_clear_cmma(int rc) "CMMA: clearing with result code %d"
kvm_failed_cpu_state_set(int cpu_index, uint8_t state, const char *msg) "Warning: Unable to set cpu %d state %" PRIu8 " to KVM: %s"
+kvm_assign_subch_ioeventfd(int fd, uint32_t addr, bool assign, int datamatch) "fd: %d sch: @0x%x assign: %d vq: %d"
# target/s390x/cpu.c
cpu_set_state(int cpu_index, uint8_t state) "setting cpu %d state to %" PRIu8