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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-02 10:57:37 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2016-06-14 14:00:05 +0200 |
| commit | 06409bd91b0a40f30d2e41159627a6eb8f5ac322 (patch) | |
| tree | 9489b68d2311b42bbd8b9c543854a3e727403646 | |
| parent | 06e686eaab344b1d38125e49abeb31a416428201 (diff) | |
| download | qemu-06409bd91b0a40f30d2e41159627a6eb8f5ac322.tar.gz | |
virtio-ccw: Provide traces for indicator changes
This allows to trace changes in the summary and queue indicators
for the non-irqfd case. For irqfd, kernel traces are needed instead.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 1 | ||||
| -rw-r--r-- | trace-events | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index e62a3a344e..2192be8774 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1091,6 +1091,7 @@ static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, ind_old = *ind_addr; ind_new = ind_old | to_be_set; } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); + trace_virtio_ccw_set_ind(ind_loc, ind_old, ind_new); cpu_physical_memory_unmap(ind_addr, len, 1, len); return ind_old; diff --git a/trace-events b/trace-events index 421d89f476..2f14205de0 100644 --- a/trace-events +++ b/trace-events @@ -1475,6 +1475,7 @@ css_adapter_interrupt(uint8_t isc) "CSS: adapter I/O interrupt (isc %x)" # hw/s390x/virtio-ccw.c virtio_ccw_interpret_ccw(int cssid, int ssid, int schid, int cmd_code) "VIRTIO-CCW: %x.%x.%04x: interpret command %x" virtio_ccw_new_device(int cssid, int ssid, int schid, int devno, const char *devno_mode) "VIRTIO-CCW: add subchannel %x.%x.%04x, devno %04x (%s)" +virtio_ccw_set_ind(uint64_t ind_loc, uint8_t ind_old, uint8_t ind_new) "VIRTIO-CCW: indicator at %" PRIu64 ": %x->%x" # hw/intc/s390_flic_kvm.c flic_create_device(int err) "flic: create device failed %d" |