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authorVitaly Kuznetsov <vkuznets@redhat.com>2017-10-29 12:21:11 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-04 12:04:25 +0100
commit69edbd5f4729a58e11437b2804103bf8ea52745c (patch)
tree468287f9650da295cf4f979b1321b72645083dd7
parent633b005df0dff555c0d4f22b5f1f8b04dba67ac5 (diff)
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>
-rw-r--r--drivers/hv/channel.c6
-rw-r--r--drivers/hv/hv_trace.h42
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

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