diff options
| author | Eric Farman <farman@linux.ibm.com> | 2020-05-05 14:27:45 +0200 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2020-06-03 11:28:19 +0200 |
| commit | b2dd9a44a1098c96935c495570b663bd223a087e (patch) | |
| tree | 02722e471fadc8e344011949fadde0e479fa0e63 /drivers/s390/cio/vfio_ccw_trace.h | |
| parent | 3f02cb2fd9d2d9e8762102886e3e4b51285797ee (diff) | |
vfio-ccw: Add trace for CRW event
Since CRW events are (should be) rare, let's put a trace
in that routine too.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200505122745.53208-9-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'drivers/s390/cio/vfio_ccw_trace.h')
| -rw-r--r-- | drivers/s390/cio/vfio_ccw_trace.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/s390/cio/vfio_ccw_trace.h b/drivers/s390/cio/vfio_ccw_trace.h index f5d31887d413..62fb30598d47 100644 --- a/drivers/s390/cio/vfio_ccw_trace.h +++ b/drivers/s390/cio/vfio_ccw_trace.h @@ -17,6 +17,36 @@ #include <linux/tracepoint.h> +TRACE_EVENT(vfio_ccw_chp_event, + TP_PROTO(struct subchannel_id schid, + int mask, + int event), + TP_ARGS(schid, mask, event), + + TP_STRUCT__entry( + __field(u8, cssid) + __field(u8, ssid) + __field(u16, sch_no) + __field(int, mask) + __field(int, event) + ), + + TP_fast_assign( + __entry->cssid = schid.cssid; + __entry->ssid = schid.ssid; + __entry->sch_no = schid.sch_no; + __entry->mask = mask; + __entry->event = event; + ), + + TP_printk("schid=%x.%x.%04x mask=0x%x event=%d", + __entry->cssid, + __entry->ssid, + __entry->sch_no, + __entry->mask, + __entry->event) +); + TRACE_EVENT(vfio_ccw_fsm_async_request, TP_PROTO(struct subchannel_id schid, int command, |