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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-10-29 12:21:11 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-04 12:04:25 +0100 |
| commit | 69edbd5f4729a58e11437b2804103bf8ea52745c (patch) | |
| tree | 468287f9650da295cf4f979b1321b72645083dd7 /drivers/hv | |
| parent | 633b005df0dff555c0d4f22b5f1f8b04dba67ac5 (diff) | |
| download | lwn-69edbd5f4729a58e11437b2804103bf8ea52745c.tar.gz lwn-69edbd5f4729a58e11437b2804103bf8ea52745c.zip | |
hyper-v: trace vmbus_establish_gpadl()
Add tracepoint to CHANNELMSG_GPADL_HEADER/CHANNELMSG_GPADL_BODY 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 | 6 | ||||
| -rw-r--r-- | drivers/hv/hv_trace.h | 42 |
2 files changed, 48 insertions, 0 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index a827f43aa408..823ddc714d56 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -435,6 +435,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, ret = vmbus_post_msg(gpadlmsg, msginfo->msgsize - sizeof(*msginfo), true); + + trace_vmbus_establish_gpadl_header(gpadlmsg, ret); + if (ret != 0) goto cleanup; @@ -450,6 +453,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, ret = vmbus_post_msg(gpadl_body, submsginfo->msgsize - sizeof(*submsginfo), true); + + trace_vmbus_establish_gpadl_body(gpadl_body, ret); + if (ret != 0) goto cleanup; diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 302bd4e964f0..978e70bdc7c5 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -172,6 +172,48 @@ TRACE_EVENT(vmbus_close_internal, __entry->ret) ); +TRACE_EVENT(vmbus_establish_gpadl_header, + TP_PROTO(const struct vmbus_channel_gpadl_header *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u32, gpadl) + __field(u16, range_buflen) + __field(u16, rangecount) + __field(int, ret) + ), + TP_fast_assign( + __entry->child_relid = msg->child_relid; + __entry->gpadl = msg->gpadl; + __entry->range_buflen = msg->range_buflen; + __entry->rangecount = msg->rangecount; + __entry->ret = ret; + ), + TP_printk("sending child_relid 0x%x, gpadl 0x%x, range_buflen %d " + "rangecount %d, ret %d", + __entry->child_relid, __entry->gpadl, + __entry->range_buflen, __entry->rangecount, __entry->ret + ) + ); + +TRACE_EVENT(vmbus_establish_gpadl_body, + TP_PROTO(const struct vmbus_channel_gpadl_body *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, msgnumber) + __field(u32, gpadl) + __field(int, ret) + ), + TP_fast_assign( + __entry->msgnumber = msg->msgnumber; + __entry->gpadl = msg->gpadl; + __entry->ret = ret; + ), + TP_printk("sending msgnumber %d, gpadl 0x%x, ret %d", + __entry->msgnumber, __entry->gpadl, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE |