diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-10-29 12:21:03 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-04 12:04:24 +0100 |
| commit | 5175167c77afb19993bd86ab8b4be63d9cb4a928 (patch) | |
| tree | 1368e1b5a8387cfc5f6e9366d234f4638b0082a2 /drivers/hv | |
| parent | 03b81e66c78b076bfc127714ce6fd25655784600 (diff) | |
| download | linux-5175167c77afb19993bd86ab8b4be63d9cb4a928.tar.bz2 | |
hyper-v: trace vmbus_onoffer_rescind()
Add tracepoint to CHANNELMSG_RESCIND_CHANNELOFFER handler.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
| -rw-r--r-- | drivers/hv/channel_mgmt.c | 2 | ||||
| -rw-r--r-- | drivers/hv/hv_trace.h | 8 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 7c11e17ad295..cfe5c9c6a87c 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -856,6 +856,8 @@ static void vmbus_onoffer_rescind(struct vmbus_channel_message_header *hdr) rescind = (struct vmbus_channel_rescind_offer *)hdr; + trace_vmbus_onoffer_rescind(rescind); + /* * The offer msg and the corresponding rescind msg * from the host are guranteed to be ordered - diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 488b873b563e..dbbed1d1f327 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -61,6 +61,14 @@ TRACE_EVENT(vmbus_onoffer, ) ); +TRACE_EVENT(vmbus_onoffer_rescind, + TP_PROTO(const struct vmbus_channel_rescind_offer *offer), + TP_ARGS(offer), + TP_STRUCT__entry(__field(u32, child_relid)), + TP_fast_assign(__entry->child_relid = offer->child_relid), + TP_printk("child_relid 0x%x", __entry->child_relid) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE |