diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-10-29 22:21:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-04 14:04:25 +0300 |
| commit | 09cdf8f87c15dbe9a3eeb6de04aaafd0cd922d6d (patch) | |
| tree | 2cb5fa72c9db5fe0c91880dedb40c24a79c064e5 /drivers/hv | |
| parent | 69edbd5f4729a58e11437b2804103bf8ea52745c (diff) | |
| download | linux-09cdf8f87c15dbe9a3eeb6de04aaafd0cd922d6d.tar.xz | |
hyper-v: trace vmbus_teardown_gpadl()
Add tracepoint to CHANNELMSG_GPADL_TEARDOWN sender.
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.c | 2 | ||||
| -rw-r--r-- | drivers/hv/hv_trace.h | 18 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 823ddc714d56..0382d7b600a1 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -519,6 +519,8 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle) ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_gpadl_teardown), true); + trace_vmbus_teardown_gpadl(msg, ret); + if (ret) goto post_msg_err; diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 978e70bdc7c5..cd33a52ef27f 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -214,6 +214,24 @@ TRACE_EVENT(vmbus_establish_gpadl_body, ) ); +TRACE_EVENT(vmbus_teardown_gpadl, + TP_PROTO(const struct vmbus_channel_gpadl_teardown *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u32, gpadl) + __field(int, ret) + ), + TP_fast_assign( + __entry->child_relid = msg->child_relid; + __entry->gpadl = msg->gpadl; + __entry->ret = ret; + ), + TP_printk("sending child_relid 0x%x, gpadl 0x%x, ret %d", + __entry->child_relid, __entry->gpadl, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE |