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authorFlorin Coras <fcoras@cisco.com>2017-03-30 02:54:28 -0700
committerDave Barach <openvpp@barachs.net>2017-04-02 14:02:30 +0000
commit3e350af5d3e9744a4529a28dd293b2d4601442f7 (patch)
treee4b489ddd509fc96382d49592cfc5bafc412a216 /src/vnet/session/session_debug.h
parent799e26d5bdf6b74ab615644e0cd291de6e352989 (diff)
TCP cc/window management fixes and debugging
- added persist timer - update rcv_las whenever sending an ack - moved fifo size to its own cache line - improved session and builtin client debugging Change-Id: Ia649cf942cf0c061a713e8b67f0eb6974a6cd55b Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vnet/session/session_debug.h')
-rw-r--r--src/vnet/session/session_debug.h32
1 files changed, 29 insertions, 3 deletions
diff --git a/src/vnet/session/session_debug.h b/src/vnet/session/session_debug.h
index 80a97cd5f09..eb11f1a00b9 100644
--- a/src/vnet/session/session_debug.h
+++ b/src/vnet/session/session_debug.h
@@ -16,13 +16,13 @@
#define SRC_VNET_SESSION_SESSION_DEBUG_H_
#include <vnet/session/transport.h>
-#include <vnet/session/session.h>
#include <vlib/vlib.h>
#define foreach_session_dbg_evt \
_(ENQ, "enqueue") \
_(DEQ, "dequeue") \
- _(DEQ_NODE, "dequeue")
+ _(DEQ_NODE, "dequeue") \
+ _(POLL_GAP_TRACK, "poll gap track") \
typedef enum _session_evt_dbg
{
@@ -33,6 +33,7 @@ typedef enum _session_evt_dbg
#define SESSION_DBG (0)
#define SESSION_DEQ_NODE_EVTS (0)
+#define SESSION_EVT_POLL_DBG (1)
#if TRANSPORT_DEBUG && SESSION_DBG
@@ -97,9 +98,34 @@ typedef enum _session_evt_dbg
#define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt)
#endif
+#if SESSION_DBG && SESSION_EVT_POLL_DBG
+#define SESSION_EVT_POLL_GAP(_smm, _my_thread_index) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "nixon-gap: %d MS", \
+ .format_args = "i4", \
+ }; \
+ DEC_SESSION_ED(_e, 1); \
+ ed->data[0] = (u32) ((now - \
+ _smm->last_event_poll_by_thread[my_thread_index])*1000.0); \
+}
+#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index) \
+{ \
+ if (PREDICT_TRUE( \
+ smm->last_event_poll_by_thread[my_thread_index] != 0.0)) \
+ if (now > smm->last_event_poll_by_thread[_my_thread_index] + 500e-6)\
+ SESSION_EVT_POLL_GAP(smm, my_thread_index); \
+ _smm->last_event_poll_by_thread[my_thread_index] = now; \
+}
+
+#else
+#define SESSION_EVT_POLL_GAP(_smm, _my_thread_index)
+#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index)
+#endif
+
#define CONCAT_HELPER(_a, _b) _a##_b
#define CC(_a, _b) CONCAT_HELPER(_a, _b)
-
#define SESSION_EVT_DBG(_evt, _args...) CC(_evt, _HANDLER)(_args)
#else