Commit 747c432f authored by Cornelia Huck's avatar Cornelia Huck
Browse files

s390x/kvm: add tracepoint to ioeventfd interface 



Trace when assigning/unassigning.

Message-Id: <20190212153025.25425-1-cohuck@redhat.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: default avatarCornelia Huck <cohuck@redhat.com>
parent f2a7d157

target/s390x/kvm.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

    }

target/s390x/trace-events

+1 −0
Original line number Diff line number Diff line
@@ -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