diff options
Diffstat (limited to 'src/vnet/interface/monitor.c')
| -rw-r--r-- | src/vnet/interface/monitor.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/vnet/interface/monitor.c b/src/vnet/interface/monitor.c new file mode 100644 index 00000000000..3ae1fd29156 --- /dev/null +++ b/src/vnet/interface/monitor.c @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2021 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <vnet/vnet.h> +#include <vlib/vlib.h> + +static clib_error_t * +monitor_interface_command_fn (vlib_main_t *vm, unformat_input_t *input, + vlib_cli_command_t *cmd) +{ + const vnet_main_t *vnm = vnet_get_main (); + const vlib_combined_counter_main_t *counters = + vnm->interface_main.combined_sw_if_counters; + f64 refresh_interval = 1.0; + u32 refresh_count = ~0; + clib_error_t *error = 0; + vlib_counter_t vrx[2], vtx[2]; + f64 ts[2]; + u32 hw_if_index = ~0; + u8 spin = 0; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "%U", unformat_vnet_hw_interface, vnm, + &hw_if_index)) + ; + else if (unformat (input, "interval %f", &refresh_interval)) + ; + else if (unformat (input, "count %u", &refresh_count)) + ; + else + { + error = clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + goto done; + } + } + + if (hw_if_index == ~0) + { + error = clib_error_return (0, "no interface passed"); + goto done; + } + + vlib_get_combined_counter (counters + VNET_INTERFACE_COUNTER_RX, hw_if_index, + &vrx[spin]); + vlib_get_combined_counter (counters + VNET_INTERFACE_COUNTER_TX, hw_if_index, + &vtx[spin]); + ts[spin] = vlib_time_now (vm); + + while (refresh_count--) + { + f64 sleep_interval, tsd; + + while (((sleep_interval = + ts[spin] + refresh_interval - vlib_time_now (vm)) > 0.0)) + { + uword event_type, *event_data = 0; + vlib_process_wait_for_event_or_clock (vm, sleep_interval); + event_type = vlib_process_get_events (vm, &event_data); + switch (event_type) + { + case ~0: /* no events => timeout */ + break; + default: + /* someone pressed a key, abort */ + vlib_cli_output (vm, "Aborted due to a keypress."); + goto done; + } + vec_free (event_data); + } + spin ^= 1; + vlib_get_combined_counter (counters + VNET_INTERFACE_COUNTER_RX, + hw_if_index, &vrx[spin]); + vlib_get_combined_counter (counters + VNET_INTERFACE_COUNTER_TX, + hw_if_index, &vtx[spin]); + ts[spin] = vlib_time_now (vm); + + tsd = ts[spin] - ts[spin ^ 1]; + vlib_cli_output ( + vm, "rx: %Upps %Ubps tx: %Upps %Ubps", format_base10, + (u64) ((vrx[spin].packets - vrx[spin ^ 1].packets) / tsd), + format_base10, + (u64) (8 * (vrx[spin].bytes - vrx[spin ^ 1].bytes) / tsd), + format_base10, + (u64) ((vtx[spin].packets - vtx[spin ^ 1].packets) / tsd), + format_base10, + (u64) (8 * (vtx[spin].bytes - vtx[spin ^ 1].bytes) / tsd)); + } + +done: + return error; +} + +VLIB_CLI_COMMAND (monitor_interface_command, static) = { + .path = "monitor interface", + .short_help = + "monitor interface <interface> [interval <intv>] [count <count>]", + .function = monitor_interface_command_fn, + .is_mp_safe = 1, +}; + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |