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Diffstat (limited to 'vppinfra/vppinfra/test_time.c')
-rw-r--r-- | vppinfra/vppinfra/test_time.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/vppinfra/vppinfra/test_time.c b/vppinfra/vppinfra/test_time.c deleted file mode 100644 index 63cfeac5b0a..00000000000 --- a/vppinfra/vppinfra/test_time.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Copyright (c) 2015 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. - */ -/* - Copyright (c) 2005 Eliot Dresselhaus - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ - -#include <vppinfra/format.h> -#include <vppinfra/time.h> -#include <vppinfra/math.h> /* for sqrt */ - -static int verbose; -#define if_verbose(format,args...) \ - if (verbose) { clib_warning(format, ## args); } - -static int -test_time_main (unformat_input_t * input) -{ - f64 wait, error; - f64 t, tu[3], ave, rms; - clib_time_t c; - int i, n, j; - - clib_time_init (&c); - wait = 1e-3; - n = 1000; - unformat (input, "%f %d", &wait, &n); - ave = rms = 0; - tu[0] = unix_time_now (); - tu[1] = unix_time_now (); - for (i = 0; i < n; i++) - { - j = 0; - t = clib_time_now (&c); - while (clib_time_now (&c) < t + wait) - j++; - t = j; - ave += t; - rms += t * t; - } - tu[2] = unix_time_now (); - ave /= n; - rms = sqrt (rms / n - ave * ave); - - error = ((tu[2] - tu[1]) - 2 * (tu[1] - tu[0]) - n * wait) / n; - if_verbose ("tested %d x %.6e sec waits, error %.6e loops %.6e +- %.6e\n", - n, wait, error, ave, rms); - - return 0; -} - -#ifdef CLIB_UNIX -int -main (int argc, char *argv[]) -{ - unformat_input_t i; - int ret; - - verbose = (argc > 1); - unformat_init_command_line (&i, argv); - ret = test_time_main (&i); - unformat_free (&i); - - return ret; -} -#endif /* CLIB_UNIX */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |