diff mbox series

[net-next,1/9] mptcp: add tracepoint in mptcp_sendmsg_frag

Message ID 20220307204439.65164-2-mathew.j.martineau@linux.intel.com (mailing list archive)
State Accepted
Commit 0eb4e7ee1655b7ffd3204a35d77b809d42613cb9
Delegated to: Netdev Maintainers
Headers show
Series mptcp: Advertisement reliability improvement and misc. updates | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/cc_maintainers warning 2 maintainers not CCed: rostedt@goodmis.org mingo@redhat.com
netdev/build_clang success Errors and warnings before: 20 this patch: 20
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch warning CHECK: Alignment should match open parenthesis
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Mat Martineau March 7, 2022, 8:44 p.m. UTC 
From: Geliang Tang <geliang.tang@suse.com>

The tracepoint in get_mapping_status() only dumped the incoming mpext
fields. This patch added a new tracepoint in mptcp_sendmsg_frag() to dump
the outgoing mpext too.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 include/trace/events/mptcp.h | 4 ++++
 net/mptcp/protocol.c         | 1 +
 2 files changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h
index 6bf43176f14c..f8e28e686c65 100644
--- a/include/trace/events/mptcp.h
+++ b/include/trace/events/mptcp.h
@@ -115,6 +115,10 @@  DECLARE_EVENT_CLASS(mptcp_dump_mpext,
 		  __entry->csum_reqd)
 );
 
+DEFINE_EVENT(mptcp_dump_mpext, mptcp_sendmsg_frag,
+	TP_PROTO(struct mptcp_ext *mpext),
+	TP_ARGS(mpext));
+
 DEFINE_EVENT(mptcp_dump_mpext, get_mapping_status,
 	TP_PROTO(struct mptcp_ext *mpext),
 	TP_ARGS(mpext));
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 1c72f25f083e..36a7d33f670a 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -1356,6 +1356,7 @@  static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
 out:
 	if (READ_ONCE(msk->csum_enabled))
 		mptcp_update_data_checksum(skb, copy);
+	trace_mptcp_sendmsg_frag(mpext);
 	mptcp_subflow_ctx(ssk)->rel_write_seq += copy;
 	return copy;
 }