diff options
| author | Cornelia Huck <cohuck@redhat.com> | 2019-02-12 15:50:00 +0100 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2019-02-18 11:25:43 +0100 |
| commit | 747c432f1e63dab75e5ea6184d8e844a6d7e67f8 (patch) | |
| tree | b5fd79621d71b374fd93066d07e29121205d20d9 | |
| parent | f2a7d1577115bda770d619ff5bc45db1f656edc3 (diff) | |
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.c | 2 | ||||
| -rw-r--r-- | target/s390x/trace-events | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index 15fdc168e1..19530fb94e 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 a84e316e49..e509b08799 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 |