From 5e6305fb02ccdfd38c8c5e369a960deaa7602eba Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Wed, 12 Feb 2020 07:42:01 +0000 Subject: tcp: minimal set of worker stats Type: feature Signed-off-by: Florin Coras Change-Id: I9dafe564229095d50285276a654f4983f93faff2 --- src/vnet/tcp/tcp.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 84 insertions(+), 6 deletions(-) (limited to 'src/vnet/tcp/tcp.c') diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index ec24082347f..f83f00aa695 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -368,6 +368,7 @@ tcp_connection_close (tcp_connection_t * tc) tcp_connection_set_state (tc, TCP_STATE_CLOSED); tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.closewait_time); session_transport_closed_notify (&tc->connection); + tcp_worker_stats_inc (tc->c_thread_index, rst_unread, 1); break; } if (!transport_max_tx_dequeue (&tc->connection)) @@ -1376,6 +1377,7 @@ tcp_timer_waitclose_handler (u32 conn_index, u32 thread_index) if (!(tc->flags & TCP_CONN_FINPNDG)) { + clib_warning ("close-wait with fin sent"); tcp_connection_set_state (tc, TCP_STATE_CLOSED); tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time); break; @@ -1391,6 +1393,7 @@ tcp_timer_waitclose_handler (u32 conn_index, u32 thread_index) /* Make sure we don't wait in LAST ACK forever */ tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.lastack_time); + tcp_worker_stats_inc (thread_index, to_closewait, 1); /* Don't delete the connection yet */ break; @@ -1412,13 +1415,21 @@ tcp_timer_waitclose_handler (u32 conn_index, u32 thread_index) tcp_connection_set_state (tc, TCP_STATE_CLOSED); tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time); } + tcp_worker_stats_inc (thread_index, to_finwait1, 1); break; case TCP_STATE_LAST_ACK: + tcp_connection_timers_reset (tc); + tcp_connection_set_state (tc, TCP_STATE_CLOSED); + tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time); + session_transport_closed_notify (&tc->connection); + tcp_worker_stats_inc (thread_index, to_lastack, 1); + break; case TCP_STATE_CLOSING: tcp_connection_timers_reset (tc); tcp_connection_set_state (tc, TCP_STATE_CLOSED); tcp_timer_set (tc, TCP_TIMER_WAITCLOSE, tcp_cfg.cleanup_time); session_transport_closed_notify (&tc->connection); + tcp_worker_stats_inc (thread_index, to_closing, 1); break; default: tcp_connection_del (tc); @@ -1441,15 +1452,18 @@ static void tcp_expired_timers_dispatch (u32 * expired_timers) { u32 thread_index = vlib_get_thread_index (); - u32 connection_index, timer_id; + u32 connection_index, timer_id, n_expired; tcp_connection_t *tc; int i; + n_expired = vec_len (expired_timers); + tcp_worker_stats_inc (thread_index, timer_expirations, n_expired); + /* * Invalidate all timer handles before dispatching. This avoids dangling * index references to timer wheel pool entries that have been freed. */ - for (i = 0; i < vec_len (expired_timers); i++) + for (i = 0; i < n_expired; i++) { connection_index = expired_timers[i] & 0x0FFFFFFF; timer_id = expired_timers[i] >> 28; @@ -1467,7 +1481,7 @@ tcp_expired_timers_dispatch (u32 * expired_timers) /* * Dispatch expired timers */ - for (i = 0; i < vec_len (expired_timers); i++) + for (i = 0; i < n_expired; i++) { connection_index = expired_timers[i] & 0x0FFFFFFF; timer_id = expired_timers[i] >> 28; @@ -1964,8 +1978,8 @@ tcp_configure_v6_source_address_range (vlib_main_t * vm, } static clib_error_t * -tcp_src_address (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd_arg) +tcp_src_address_fn (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd_arg) { ip4_address_t v4start, v4end; ip6_address_t v6start, v6end; @@ -2047,7 +2061,7 @@ VLIB_CLI_COMMAND (tcp_src_address_command, static) = { .path = "tcp src-address", .short_help = "tcp src-address [- ] add src address range", - .function = tcp_src_address, + .function = tcp_src_address_fn, }; /* *INDENT-ON* */ @@ -2261,6 +2275,70 @@ VLIB_CLI_COMMAND (show_tcp_punt_command, static) = }; /* *INDENT-ON* */ +static clib_error_t * +show_tcp_stats_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + tcp_main_t *tm = vnet_get_tcp_main (); + tcp_worker_ctx_t *wrk; + u32 thread; + + if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + return clib_error_return (0, "unknown input `%U'", format_unformat_error, + input); + for (thread = 0; thread < vec_len (tm->wrk_ctx); thread++) + { + wrk = tcp_get_worker (thread); + vlib_cli_output (vm, "Thread %d:\n", thread); + +#define _(name,type,str) \ + if (wrk->stats.name) \ + vlib_cli_output (vm, " %ld %s", wrk->stats.name, str); + foreach_tcp_wrk_stat +#undef _ + } + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_tcp_stats_command, static) = +{ + .path = "show tcp stats", + .short_help = "show tcp stats", + .function = show_tcp_stats_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +clear_tcp_stats_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + tcp_main_t *tm = vnet_get_tcp_main (); + tcp_worker_ctx_t *wrk; + u32 thread; + + if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + return clib_error_return (0, "unknown input `%U'", format_unformat_error, + input); + + for (thread = 0; thread < vec_len (tm->wrk_ctx); thread++) + { + wrk = tcp_get_worker (thread); + clib_memset (&wrk->stats, 0, sizeof (wrk->stats)); + } + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (clear_tcp_stats_command, static) = +{ + .path = "clear tcp stats", + .short_help = "clear tcp stats", + .function = clear_tcp_stats_fn, +}; +/* *INDENT-ON* */ + /* * fd.io coding-style-patch-verification: ON * -- cgit 1.2.3-korg