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-rw-r--r--src/vnet/session/session.c13
-rw-r--r--src/vnet/session/session.h12
-rw-r--r--src/vnet/session/session_debug.h66
-rw-r--r--src/vnet/session/session_node.c18
4 files changed, 49 insertions, 60 deletions
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 9769c013e2f..4e340687041 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -176,7 +176,7 @@ session_free (session_t * s)
pool_put (session_main.wrk[thread_index].sessions, s);
return;
}
- SESSION_EVT_DBG (SESSION_EVT_FREE, s);
+ SESSION_EVT (SESSION_EVT_FREE, s);
pool_put (session_main.wrk[s->thread_index].sessions, s);
}
@@ -518,12 +518,7 @@ session_enqueue_notify_inline (session_t * s)
return 0;
}
- /* *INDENT-OFF* */
- SESSION_EVT_DBG(SESSION_EVT_ENQ, s, ({
- ed->data[0] = SESSION_IO_EVT_RX;
- ed->data[1] = svm_fifo_max_dequeue_prod (s->rx_fifo);
- }));
- /* *INDENT-ON* */
+ SESSION_EVT (SESSION_EVT_ENQ, s, svm_fifo_max_dequeue_prod (s->rx_fifo));
s->flags &= ~SESSION_F_RX_EVT;
if (PREDICT_FALSE (app_worker_lock_and_send_event (app_wrk, s,
@@ -1393,10 +1388,6 @@ session_manager_main_enable (vlib_main_t * vm)
clib_rwlock_init (&smm->wrk[i].peekers_rw_locks);
}
-#if SESSION_DEBUG
- vec_validate (smm->last_event_poll_by_thread, num_threads - 1);
-#endif
-
/* Allocate vpp event queues segment and queue */
session_vpp_event_queues_allocate (smm);
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index 73c6dc82988..1e3229171da 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -113,6 +113,10 @@ typedef struct session_worker_
u32 last_tx_packets;
+#if SESSION_DEBUG
+ /** last event poll time by thread */
+ f64 last_event_poll;
+#endif
} session_worker_t;
typedef int (session_fifo_rx_fn) (vlib_main_t * vm,
@@ -178,14 +182,6 @@ typedef struct session_main_
/** Preallocate session config parameter */
u32 preallocated_sessions;
-#if SESSION_DEBUG
- /**
- * last event poll time by thread
- * Debug only. Will cause false cache-line sharing as-is
- */
- f64 *last_event_poll_by_thread;
-#endif
-
} session_main_t;
extern session_main_t session_main;
diff --git a/src/vnet/session/session_debug.h b/src/vnet/session/session_debug.h
index a26cd7f2636..228c1b36ac6 100644
--- a/src/vnet/session/session_debug.h
+++ b/src/vnet/session/session_debug.h
@@ -24,6 +24,7 @@
_(DEQ_NODE, "dequeue") \
_(POLL_GAP_TRACK, "poll gap track") \
_(POLL_DISPATCH_TIME, "dispatch time")\
+ _(DISPATCH_START, "dispatch start") \
_(DISPATCH_END, "dispatch end") \
_(FREE, "session free") \
@@ -35,7 +36,7 @@ typedef enum _session_evt_dbg
} session_evt_dbg_e;
#define SESSION_DEBUG 0 * (TRANSPORT_DEBUG > 0)
-#define SESSION_DEQ_NODE_EVTS (0)
+#define SESSION_DEQ_EVTS (0)
#define SESSION_EVT_POLL_DBG (0)
#define SESSION_SM (0)
@@ -74,27 +75,30 @@ typedef enum _session_evt_dbg
#define SESSION_EVT_FREE_HANDLER(_s)
#endif
-#if SESSION_DEQ_NODE_EVTS && SESSION_DEBUG > 1
-#define SESSION_EVT_DEQ_HANDLER(_s, _body) \
+#if SESSION_DEQ_EVTS
+#define SESSION_EVT_DEQ_HANDLER(_s, _now, _max, _has_evt, _ts) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "deq: id %d len %d rd %d wnd %d", \
+ .format = "deq: now %u max %d evt %u ts %d", \
.format_args = "i4i4i4i4", \
}; \
DEC_SESSION_ETD(_s, _e, 4); \
- do { _body; } while (0); \
+ ed->data[0] = _now; \
+ ed->data[1] = _max; \
+ ed->data[2] = _has_evt; \
+ ed->data[3] = _ts * 1000000.0; \
}
-#define SESSION_EVT_ENQ_HANDLER(_s, _body) \
+#define SESSION_EVT_ENQ_HANDLER(_s, _len) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
- .format = "enq: id %d length %d", \
- .format_args = "i4i4", \
+ .format = "enq: length %d", \
+ .format_args = "i4", \
}; \
- DEC_SESSION_ETD(_s, _e, 2); \
- do { _body; } while (0); \
+ DEC_SESSION_ETD(_s, _e, 1); \
+ ed->data[0] = _len; \
}
#define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt) \
@@ -119,7 +123,7 @@ typedef enum _session_evt_dbg
#endif /* SESSION_DEQ_NODE_EVTS */
#if SESSION_EVT_POLL_DBG && SESSION_DEBUG > 1
-#define SESSION_EVT_POLL_GAP(_smm, _ti) \
+#define SESSION_EVT_POLL_GAP(_wrk) \
{ \
ELOG_TYPE_DECLARE (_e) = \
{ \
@@ -127,21 +131,19 @@ typedef enum _session_evt_dbg
.format_args = "i4", \
}; \
DEC_SESSION_ED(_e, 1); \
- ed->data[0] = (u32) ((now - \
- _smm->last_event_poll_by_thread[_ti])*1000000.0); \
+ ed->data[0] = (u32) ((now - _wrk->last_event_poll)*1000000.0); \
}
-#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _ti) \
+#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_wrk) \
{ \
- if (PREDICT_TRUE (smm->last_event_poll_by_thread[_ti] != 0.0)) \
- if (now > smm->last_event_poll_by_thread[_ti] + 500e-6) \
+ if (PREDICT_TRUE (smm->last_event_poll != 0.0)) \
+ if (now > smm->last_event_poll + 500e-6) \
SESSION_EVT_POLL_GAP(smm, _ti); \
- _smm->last_event_poll_by_thread[_ti] = now; \
+ _wrk->last_event_poll = now; \
}
-#define SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_smm, _ti) \
+#define SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_wrk) \
{ \
- f64 diff = vlib_time_now (vlib_get_main ()) - \
- _smm->last_event_poll_by_thread[_ti]; \
+ f64 diff = vlib_time_now (vlib_get_main ()) - _wrk->last_event_poll; \
if (diff > 5e-2) \
{ \
ELOG_TYPE_DECLARE (_e) = \
@@ -155,23 +157,31 @@ typedef enum _session_evt_dbg
}
#else
-#define SESSION_EVT_POLL_GAP(_smm, _my_thread_index)
-#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index)
-#define SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_smm, _ti)
+#define SESSION_EVT_POLL_GAP(_wrk)
+#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_wrk)
+#define SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_wrk)
#endif /* SESSION_EVT_POLL_DBG */
-#define SESSION_EVT_DISPATCH_END_HANDLER(_smm, _ti) \
+#define SESSION_EVT_DISPATCH_START_HANDLER(_wrk) \
+{ \
+ if (SESSION_DEQ_EVTS > 1) \
+ SESSION_EVT_DEQ_NODE_HANDLER (0); \
+ SESSION_EVT_POLL_GAP_TRACK_HANDLER (wrk); \
+}
+
+#define SESSION_EVT_DISPATCH_END_HANDLER(_wrk, _ntx) \
{ \
- SESSION_EVT_DEQ_NODE_HANDLER(1); \
- SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_smm, _ti); \
+ if (SESSION_DEQ_EVTS > 1 || _ntx) \
+ SESSION_EVT_DEQ_NODE_HANDLER (1); \
+ SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_wrk); \
}
#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)
+#define SESSION_EVT(_evt, _args...) CC(_evt, _HANDLER)(_args)
#else
-#define SESSION_EVT_DBG(_evt, _args...)
+#define SESSION_EVT(_evt, _args...)
#define SESSION_DBG(_fmt, _args...)
#endif /* SESSION_DEBUG */
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index ca6663c0b01..a8478884806 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -508,15 +508,6 @@ session_tx_fill_buffer (vlib_main_t * vm, session_tx_context_t * ctx,
*/
if (PREDICT_FALSE (ctx->n_bufs_per_seg > 1 && ctx->left_to_snd))
session_tx_fifo_chain_tail (vm, ctx, b, n_bufs, peek_data);
-
- /* *INDENT-OFF* */
- SESSION_EVT_DBG(SESSION_EVT_DEQ, ctx->s, ({
- ed->data[0] = SESSION_IO_EVT_TX;
- ed->data[1] = ctx->max_dequeue;
- ed->data[2] = len_to_deq;
- ed->data[3] = ctx->left_to_snd;
- }));
- /* *INDENT-ON* */
}
always_inline u8
@@ -777,6 +768,9 @@ session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
transport_connection_update_tx_stats (ctx->tc, ctx->max_len_to_snd);
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ SESSION_EVT (SESSION_EVT_DEQ, ctx->s, ctx->max_len_to_snd, ctx->max_dequeue,
+ ctx->s->tx_fifo->has_event, wrk->last_vlib_time);
+
/* If we couldn't dequeue all bytes mark as partially read */
ASSERT (ctx->left_to_snd == 0);
if (ctx->max_len_to_snd < ctx->max_dequeue)
@@ -865,7 +859,7 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
svm_msg_q_t *mq;
void (*fp) (void *);
- SESSION_EVT_DBG (SESSION_EVT_POLL_GAP_TRACK, smm, thread_index);
+ SESSION_EVT (SESSION_EVT_DISPATCH_START, wrk);
/*
* Update transport time
@@ -873,8 +867,6 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
session_update_dispatch_period (wrk, now, thread_index);
transport_update_time (now, thread_index);
- SESSION_EVT_DBG (SESSION_EVT_DEQ_NODE, 0);
-
/* Make sure postponed events are handled first */
new_he = pool_elt_at_index (wrk->event_elts, wrk->new_head);
new_te = clib_llist_prev (wrk->event_elts, evt_list, new_he);
@@ -1032,7 +1024,7 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_node_increment_counter (vm, session_queue_node.index,
SESSION_QUEUE_ERROR_TX, n_tx_packets);
- SESSION_EVT_DBG (SESSION_EVT_DISPATCH_END, smm, thread_index);
+ SESSION_EVT (SESSION_EVT_DISPATCH_END, wrk, n_tx_packets);
return n_tx_packets;
}