3cd90214b7
Add some tracepoints so we can inspect what is not working as is should. Signed-off-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Dong Jia Shi <bjsdjshi@linux.ibm.com> Message-Id: <20180523025645.8978-5-bjsdjshi@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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* Tracepoints for vfio_ccw driver
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*
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* Copyright IBM Corp. 2018
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*
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* Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
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* Halil Pasic <pasic@linux.vnet.ibm.com>
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM vfio_ccw
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#if !defined(_VFIO_CCW_TRACE_) || defined(TRACE_HEADER_MULTI_READ)
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#define _VFIO_CCW_TRACE_
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#include <linux/tracepoint.h>
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TRACE_EVENT(vfio_ccw_io_fctl,
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TP_PROTO(int fctl, struct subchannel_id schid, int errno, char *errstr),
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TP_ARGS(fctl, schid, errno, errstr),
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TP_STRUCT__entry(
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__field(int, fctl)
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__field_struct(struct subchannel_id, schid)
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__field(int, errno)
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__field(char*, errstr)
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),
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TP_fast_assign(
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__entry->fctl = fctl;
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__entry->schid = schid;
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__entry->errno = errno;
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__entry->errstr = errstr;
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),
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TP_printk("schid=%x.%x.%04x fctl=%x errno=%d info=%s",
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__entry->schid.cssid,
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__entry->schid.ssid,
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__entry->schid.sch_no,
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__entry->fctl,
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__entry->errno,
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__entry->errstr)
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);
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#endif /* _VFIO_CCW_TRACE_ */
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/* This part must be outside protection */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE vfio_ccw_trace
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#include <trace/define_trace.h>
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