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| author |   Geliang Tang <geliangtang@gmail.com> | 2021-04-16 15:38:04 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-04-16 17:10:40 -0700 |
| commit | e10a9892097672b62be4ea265a9eb48f698ca3b8 (patch) | |
| tree | 7174f977654a2fde17d91c83e6ca9c6fe5515493 /net/mptcp | |
| parent | mptcp: export mptcp_subflow_active (diff) | |
| download | linux-dev-e10a9892097672b62be4ea265a9eb48f698ca3b8.tar.xz linux-dev-e10a9892097672b62be4ea265a9eb48f698ca3b8.zip | |
mptcp: add tracepoint in mptcp_subflow_get_send
This patch added a tracepoint in the packet scheduler function
mptcp_subflow_get_send().
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp')
| -rw-r--r-- | net/mptcp/protocol.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 5a05c6ca943c..e26ea143754d 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -25,6 +25,9 @@ #include "protocol.h" #include "mib.h" +#define CREATE_TRACE_POINTS +#include <trace/events/mptcp.h> + #if IS_ENABLED(CONFIG_MPTCP_IPV6) struct mptcp6_sock { struct mptcp_sock msk; @@ -1410,6 +1413,7 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk) send_info[i].ratio = -1; } mptcp_for_each_subflow(msk, subflow) { + trace_mptcp_subflow_get_send(subflow); ssk = mptcp_subflow_tcp_sock(subflow); if (!mptcp_subflow_active(subflow)) continue; @@ -1430,10 +1434,6 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk) } } - pr_debug("msk=%p nr_active=%d ssk=%p:%lld backup=%p:%lld", - msk, nr_active, send_info[0].ssk, send_info[0].ratio, - send_info[1].ssk, send_info[1].ratio); - /* pick the best backup if no other subflow is active */ if (!nr_active) send_info[0].ssk = send_info[1].ssk; |