ST / ST_Events-old

This is a fork of the `events` subdirectory of https://github.com/ARMmbed/mbed-os

Dependents:   HelloWorld_CCA01M1 HelloWorld_CCA02M1 CI-data-logger-server HelloWorld_CCA02M1 ... more

This is a fork of the events subdirectory of https://github.com/ARMmbed/mbed-os.

Note, you must import this library with import name: events!!!

equeue/tests/prof.c@9832:b95afde9ef7e, 2017-09-05 (annotated)

Committer:
Wolfgang Betz
Date:
Tue Sep 05 09:09:24 2017 +0200
Revision:
9832:b95afde9ef7e
Parent:
0:a792d4bf36c2 
Merge branch 'master' of hg::http://developer.mbed.org/teams/ST/code/ST_Events into events-split

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Bogdan Marinescu 0:a792d4bf36c2 1 /*
Bogdan Marinescu 0:a792d4bf36c2 2 * Profiling framework for the events library
Bogdan Marinescu 0:a792d4bf36c2 3 *
Bogdan Marinescu 0:a792d4bf36c2 4 * Copyright (c) 2016 Christopher Haster
Bogdan Marinescu 0:a792d4bf36c2 5 *
Bogdan Marinescu 0:a792d4bf36c2 6 * Licensed under the Apache License, Version 2.0 (the "License");
Bogdan Marinescu 0:a792d4bf36c2 7 * you may not use this file except in compliance with the License.
Bogdan Marinescu 0:a792d4bf36c2 8 * You may obtain a copy of the License at
Bogdan Marinescu 0:a792d4bf36c2 9 *
Bogdan Marinescu 0:a792d4bf36c2 10 * http://www.apache.org/licenses/LICENSE-2.0
Bogdan Marinescu 0:a792d4bf36c2 11 *
Bogdan Marinescu 0:a792d4bf36c2 12 * Unless required by applicable law or agreed to in writing, software
Bogdan Marinescu 0:a792d4bf36c2 13 * distributed under the License is distributed on an "AS IS" BASIS,
Bogdan Marinescu 0:a792d4bf36c2 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Bogdan Marinescu 0:a792d4bf36c2 15 * See the License for the specific language governing permissions and
Bogdan Marinescu 0:a792d4bf36c2 16 * limitations under the License.
Bogdan Marinescu 0:a792d4bf36c2 17 */
Bogdan Marinescu 0:a792d4bf36c2 18 #include "equeue.h"
Bogdan Marinescu 0:a792d4bf36c2 19 #include <unistd.h>
Bogdan Marinescu 0:a792d4bf36c2 20 #include <stdio.h>
Bogdan Marinescu 0:a792d4bf36c2 21 #include <setjmp.h>
Bogdan Marinescu 0:a792d4bf36c2 22 #include <stdint.h>
Bogdan Marinescu 0:a792d4bf36c2 23 #include <stdlib.h>
Bogdan Marinescu 0:a792d4bf36c2 24 #include <inttypes.h>
Bogdan Marinescu 0:a792d4bf36c2 25 #include <sys/time.h>
Bogdan Marinescu 0:a792d4bf36c2 26
Bogdan Marinescu 0:a792d4bf36c2 27
Bogdan Marinescu 0:a792d4bf36c2 28 // Performance measurement utils
Bogdan Marinescu 0:a792d4bf36c2 29 #define PROF_RUNS 5
Bogdan Marinescu 0:a792d4bf36c2 30 #define PROF_INTERVAL 100000000
Bogdan Marinescu 0:a792d4bf36c2 31
Bogdan Marinescu 0:a792d4bf36c2 32 #define prof_volatile(t) __attribute__((unused)) volatile t
Bogdan Marinescu 0:a792d4bf36c2 33
Bogdan Marinescu 0:a792d4bf36c2 34 typedef uint64_t prof_cycle_t;
Bogdan Marinescu 0:a792d4bf36c2 35
Bogdan Marinescu 0:a792d4bf36c2 36 static volatile prof_cycle_t prof_start_cycle;
Bogdan Marinescu 0:a792d4bf36c2 37 static volatile prof_cycle_t prof_stop_cycle;
Bogdan Marinescu 0:a792d4bf36c2 38 static prof_cycle_t prof_accum_cycle;
Bogdan Marinescu 0:a792d4bf36c2 39 static prof_cycle_t prof_baseline_cycle;
Bogdan Marinescu 0:a792d4bf36c2 40 static prof_cycle_t prof_iterations;
Bogdan Marinescu 0:a792d4bf36c2 41 static const char *prof_units;
Bogdan Marinescu 0:a792d4bf36c2 42
Bogdan Marinescu 0:a792d4bf36c2 43 #define prof_cycle() ({ \
Bogdan Marinescu 0:a792d4bf36c2 44 uint32_t a, b; \
Bogdan Marinescu 0:a792d4bf36c2 45 __asm__ volatile ("rdtsc" : "=a" (a), "=d" (b)); \
Bogdan Marinescu 0:a792d4bf36c2 46 ((uint64_t)b << 32) | (uint64_t)a; \
Bogdan Marinescu 0:a792d4bf36c2 47 })
Bogdan Marinescu 0:a792d4bf36c2 48
Bogdan Marinescu 0:a792d4bf36c2 49 #define prof_loop() \
Bogdan Marinescu 0:a792d4bf36c2 50 for (prof_iterations = 0; \
Bogdan Marinescu 0:a792d4bf36c2 51 prof_accum_cycle < PROF_INTERVAL; \
Bogdan Marinescu 0:a792d4bf36c2 52 prof_iterations++)
Bogdan Marinescu 0:a792d4bf36c2 53
Bogdan Marinescu 0:a792d4bf36c2 54 #define prof_start() ({ \
Bogdan Marinescu 0:a792d4bf36c2 55 prof_start_cycle = prof_cycle(); \
Bogdan Marinescu 0:a792d4bf36c2 56 })
Bogdan Marinescu 0:a792d4bf36c2 57
Bogdan Marinescu 0:a792d4bf36c2 58 #define prof_stop() ({ \
Bogdan Marinescu 0:a792d4bf36c2 59 prof_stop_cycle = prof_cycle(); \
Bogdan Marinescu 0:a792d4bf36c2 60 prof_accum_cycle += prof_stop_cycle - prof_start_cycle; \
Bogdan Marinescu 0:a792d4bf36c2 61 })
Bogdan Marinescu 0:a792d4bf36c2 62
Bogdan Marinescu 0:a792d4bf36c2 63 #define prof_result(value, units) ({ \
Bogdan Marinescu 0:a792d4bf36c2 64 prof_accum_cycle = value+prof_baseline_cycle; \
Bogdan Marinescu 0:a792d4bf36c2 65 prof_iterations = 1; \
Bogdan Marinescu 0:a792d4bf36c2 66 prof_units = units; \
Bogdan Marinescu 0:a792d4bf36c2 67 })
Bogdan Marinescu 0:a792d4bf36c2 68
Bogdan Marinescu 0:a792d4bf36c2 69 #define prof_measure(func, ...) ({ \
Bogdan Marinescu 0:a792d4bf36c2 70 printf("%s: ...", #func); \
Bogdan Marinescu 0:a792d4bf36c2 71 fflush(stdout); \
Bogdan Marinescu 0:a792d4bf36c2 72 \
Bogdan Marinescu 0:a792d4bf36c2 73 prof_units = "cycles"; \
Bogdan Marinescu 0:a792d4bf36c2 74 prof_cycle_t runs[PROF_RUNS]; \
Bogdan Marinescu 0:a792d4bf36c2 75 for (int i = 0; i < PROF_RUNS; i++) { \
Bogdan Marinescu 0:a792d4bf36c2 76 prof_accum_cycle = 0; \
Bogdan Marinescu 0:a792d4bf36c2 77 prof_iterations = 0; \
Bogdan Marinescu 0:a792d4bf36c2 78 func(__VA_ARGS__); \
Bogdan Marinescu 0:a792d4bf36c2 79 runs[i] = prof_accum_cycle / prof_iterations; \
Bogdan Marinescu 0:a792d4bf36c2 80 } \
Bogdan Marinescu 0:a792d4bf36c2 81 \
Bogdan Marinescu 0:a792d4bf36c2 82 prof_cycle_t res = runs[0]; \
Bogdan Marinescu 0:a792d4bf36c2 83 for (int i = 0; i < PROF_RUNS; i++) { \
Bogdan Marinescu 0:a792d4bf36c2 84 if (runs[i] < res) { \
Bogdan Marinescu 0:a792d4bf36c2 85 res = runs[i]; \
Bogdan Marinescu 0:a792d4bf36c2 86 } \
Bogdan Marinescu 0:a792d4bf36c2 87 } \
Bogdan Marinescu 0:a792d4bf36c2 88 res -= prof_baseline_cycle; \
Bogdan Marinescu 0:a792d4bf36c2 89 printf("\r%s: %"PRIu64" %s", #func, res, prof_units); \
Bogdan Marinescu 0:a792d4bf36c2 90 \
Bogdan Marinescu 0:a792d4bf36c2 91 if (!isatty(0)) { \
Bogdan Marinescu 0:a792d4bf36c2 92 prof_cycle_t prev; \
Bogdan Marinescu 0:a792d4bf36c2 93 while (scanf("%*[^0-9]%"PRIu64, &prev) == 0); \
Bogdan Marinescu 0:a792d4bf36c2 94 int64_t perc = 100*((int64_t)prev - (int64_t)res) / (int64_t)prev; \
Bogdan Marinescu 0:a792d4bf36c2 95 \
Bogdan Marinescu 0:a792d4bf36c2 96 if (perc > 10) { \
Bogdan Marinescu 0:a792d4bf36c2 97 printf(" (\e[32m%+"PRId64"%%\e[0m)", perc); \
Bogdan Marinescu 0:a792d4bf36c2 98 } else if (perc < -10) { \
Bogdan Marinescu 0:a792d4bf36c2 99 printf(" (\e[31m%+"PRId64"%%\e[0m)", perc); \
Bogdan Marinescu 0:a792d4bf36c2 100 } else { \
Bogdan Marinescu 0:a792d4bf36c2 101 printf(" (%+"PRId64"%%)", perc); \
Bogdan Marinescu 0:a792d4bf36c2 102 } \
Bogdan Marinescu 0:a792d4bf36c2 103 } \
Bogdan Marinescu 0:a792d4bf36c2 104 \
Bogdan Marinescu 0:a792d4bf36c2 105 printf("\n"); \
Bogdan Marinescu 0:a792d4bf36c2 106 res; \
Bogdan Marinescu 0:a792d4bf36c2 107 })
Bogdan Marinescu 0:a792d4bf36c2 108
Bogdan Marinescu 0:a792d4bf36c2 109 #define prof_baseline(func, ...) ({ \
Bogdan Marinescu 0:a792d4bf36c2 110 prof_baseline_cycle = 0; \
Bogdan Marinescu 0:a792d4bf36c2 111 prof_baseline_cycle = prof_measure(func, __VA_ARGS__); \
Bogdan Marinescu 0:a792d4bf36c2 112 })
Bogdan Marinescu 0:a792d4bf36c2 113
Bogdan Marinescu 0:a792d4bf36c2 114
Bogdan Marinescu 0:a792d4bf36c2 115 // Various test functions
Bogdan Marinescu 0:a792d4bf36c2 116 void no_func(void *eh) {
Bogdan Marinescu 0:a792d4bf36c2 117 }
Bogdan Marinescu 0:a792d4bf36c2 118
Bogdan Marinescu 0:a792d4bf36c2 119
Bogdan Marinescu 0:a792d4bf36c2 120 // Actual performance tests
Bogdan Marinescu 0:a792d4bf36c2 121 void baseline_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 122 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 123 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 124 __asm__ volatile ("");
Bogdan Marinescu 0:a792d4bf36c2 125 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 126 }
Bogdan Marinescu 0:a792d4bf36c2 127 }
Bogdan Marinescu 0:a792d4bf36c2 128
Bogdan Marinescu 0:a792d4bf36c2 129 void equeue_tick_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 130 prof_volatile(unsigned) res;
Bogdan Marinescu 0:a792d4bf36c2 131 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 132 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 133 res = equeue_tick();
Bogdan Marinescu 0:a792d4bf36c2 134 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 135 }
Bogdan Marinescu 0:a792d4bf36c2 136 }
Bogdan Marinescu 0:a792d4bf36c2 137
Bogdan Marinescu 0:a792d4bf36c2 138 void equeue_alloc_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 139 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 140 equeue_create(&q, 32*EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 141
Bogdan Marinescu 0:a792d4bf36c2 142 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 143 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 144 void *e = equeue_alloc(&q, 8 * sizeof(int));
Bogdan Marinescu 0:a792d4bf36c2 145 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 146
Bogdan Marinescu 0:a792d4bf36c2 147 equeue_dealloc(&q, e);
Bogdan Marinescu 0:a792d4bf36c2 148 }
Bogdan Marinescu 0:a792d4bf36c2 149
Bogdan Marinescu 0:a792d4bf36c2 150 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 151 }
Bogdan Marinescu 0:a792d4bf36c2 152
Bogdan Marinescu 0:a792d4bf36c2 153 void equeue_alloc_many_prof(int count) {
Bogdan Marinescu 0:a792d4bf36c2 154 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 155 equeue_create(&q, count*EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 156
Bogdan Marinescu 0:a792d4bf36c2 157 void *es[count];
Bogdan Marinescu 0:a792d4bf36c2 158
Bogdan Marinescu 0:a792d4bf36c2 159 for (int i = 0; i < count; i++) {
Bogdan Marinescu 0:a792d4bf36c2 160 es[i] = equeue_alloc(&q, (i % 4) * sizeof(int));
Bogdan Marinescu 0:a792d4bf36c2 161 }
Bogdan Marinescu 0:a792d4bf36c2 162
Bogdan Marinescu 0:a792d4bf36c2 163 for (int i = 0; i < count; i++) {
Bogdan Marinescu 0:a792d4bf36c2 164 equeue_dealloc(&q, es[i]);
Bogdan Marinescu 0:a792d4bf36c2 165 }
Bogdan Marinescu 0:a792d4bf36c2 166
Bogdan Marinescu 0:a792d4bf36c2 167 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 168 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 169 void *e = equeue_alloc(&q, 8 * sizeof(int));
Bogdan Marinescu 0:a792d4bf36c2 170 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 171
Bogdan Marinescu 0:a792d4bf36c2 172 equeue_dealloc(&q, e);
Bogdan Marinescu 0:a792d4bf36c2 173 }
Bogdan Marinescu 0:a792d4bf36c2 174
Bogdan Marinescu 0:a792d4bf36c2 175 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 176 }
Bogdan Marinescu 0:a792d4bf36c2 177
Bogdan Marinescu 0:a792d4bf36c2 178 void equeue_post_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 179 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 180 equeue_create(&q, EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 181
Bogdan Marinescu 0:a792d4bf36c2 182 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 183 void *e = equeue_alloc(&q, 0);
Bogdan Marinescu 0:a792d4bf36c2 184
Bogdan Marinescu 0:a792d4bf36c2 185 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 186 int id = equeue_post(&q, no_func, e);
Bogdan Marinescu 0:a792d4bf36c2 187 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 188
Bogdan Marinescu 0:a792d4bf36c2 189 equeue_cancel(&q, id);
Bogdan Marinescu 0:a792d4bf36c2 190 }
Bogdan Marinescu 0:a792d4bf36c2 191
Bogdan Marinescu 0:a792d4bf36c2 192 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 193 }
Bogdan Marinescu 0:a792d4bf36c2 194
Bogdan Marinescu 0:a792d4bf36c2 195 void equeue_post_many_prof(int count) {
Bogdan Marinescu 0:a792d4bf36c2 196 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 197 equeue_create(&q, count*EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 198
Bogdan Marinescu 0:a792d4bf36c2 199 for (int i = 0; i < count-1; i++) {
Bogdan Marinescu 0:a792d4bf36c2 200 equeue_call(&q, no_func, 0);
Bogdan Marinescu 0:a792d4bf36c2 201 }
Bogdan Marinescu 0:a792d4bf36c2 202
Bogdan Marinescu 0:a792d4bf36c2 203 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 204 void *e = equeue_alloc(&q, 0);
Bogdan Marinescu 0:a792d4bf36c2 205
Bogdan Marinescu 0:a792d4bf36c2 206 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 207 int id = equeue_post(&q, no_func, e);
Bogdan Marinescu 0:a792d4bf36c2 208 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 209
Bogdan Marinescu 0:a792d4bf36c2 210 equeue_cancel(&q, id);
Bogdan Marinescu 0:a792d4bf36c2 211 }
Bogdan Marinescu 0:a792d4bf36c2 212
Bogdan Marinescu 0:a792d4bf36c2 213 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 214 }
Bogdan Marinescu 0:a792d4bf36c2 215
Bogdan Marinescu 0:a792d4bf36c2 216 void equeue_post_future_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 217 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 218 equeue_create(&q, EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 219
Bogdan Marinescu 0:a792d4bf36c2 220 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 221 void *e = equeue_alloc(&q, 0);
Bogdan Marinescu 0:a792d4bf36c2 222 equeue_event_delay(e, 1000);
Bogdan Marinescu 0:a792d4bf36c2 223
Bogdan Marinescu 0:a792d4bf36c2 224 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 225 int id = equeue_post(&q, no_func, e);
Bogdan Marinescu 0:a792d4bf36c2 226 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 227
Bogdan Marinescu 0:a792d4bf36c2 228 equeue_cancel(&q, id);
Bogdan Marinescu 0:a792d4bf36c2 229 }
Bogdan Marinescu 0:a792d4bf36c2 230
Bogdan Marinescu 0:a792d4bf36c2 231 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 232 }
Bogdan Marinescu 0:a792d4bf36c2 233
Bogdan Marinescu 0:a792d4bf36c2 234 void equeue_post_future_many_prof(int count) {
Bogdan Marinescu 0:a792d4bf36c2 235 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 236 equeue_create(&q, count*EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 237
Bogdan Marinescu 0:a792d4bf36c2 238 for (int i = 0; i < count-1; i++) {
Bogdan Marinescu 0:a792d4bf36c2 239 equeue_call(&q, no_func, 0);
Bogdan Marinescu 0:a792d4bf36c2 240 }
Bogdan Marinescu 0:a792d4bf36c2 241
Bogdan Marinescu 0:a792d4bf36c2 242 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 243 void *e = equeue_alloc(&q, 0);
Bogdan Marinescu 0:a792d4bf36c2 244 equeue_event_delay(e, 1000);
Bogdan Marinescu 0:a792d4bf36c2 245
Bogdan Marinescu 0:a792d4bf36c2 246 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 247 int id = equeue_post(&q, no_func, e);
Bogdan Marinescu 0:a792d4bf36c2 248 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 249
Bogdan Marinescu 0:a792d4bf36c2 250 equeue_cancel(&q, id);
Bogdan Marinescu 0:a792d4bf36c2 251 }
Bogdan Marinescu 0:a792d4bf36c2 252
Bogdan Marinescu 0:a792d4bf36c2 253 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 254 }
Bogdan Marinescu 0:a792d4bf36c2 255
Bogdan Marinescu 0:a792d4bf36c2 256 void equeue_dispatch_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 257 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 258 equeue_create(&q, EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 259
Bogdan Marinescu 0:a792d4bf36c2 260 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 261 equeue_call(&q, no_func, 0);
Bogdan Marinescu 0:a792d4bf36c2 262
Bogdan Marinescu 0:a792d4bf36c2 263 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 264 equeue_dispatch(&q, 0);
Bogdan Marinescu 0:a792d4bf36c2 265 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 266 }
Bogdan Marinescu 0:a792d4bf36c2 267
Bogdan Marinescu 0:a792d4bf36c2 268 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 269 }
Bogdan Marinescu 0:a792d4bf36c2 270
Bogdan Marinescu 0:a792d4bf36c2 271 void equeue_dispatch_many_prof(int count) {
Bogdan Marinescu 0:a792d4bf36c2 272 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 273 equeue_create(&q, count*EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 274
Bogdan Marinescu 0:a792d4bf36c2 275 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 276 for (int i = 0; i < count; i++) {
Bogdan Marinescu 0:a792d4bf36c2 277 equeue_call(&q, no_func, 0);
Bogdan Marinescu 0:a792d4bf36c2 278 }
Bogdan Marinescu 0:a792d4bf36c2 279
Bogdan Marinescu 0:a792d4bf36c2 280 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 281 equeue_dispatch(&q, 0);
Bogdan Marinescu 0:a792d4bf36c2 282 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 283 }
Bogdan Marinescu 0:a792d4bf36c2 284
Bogdan Marinescu 0:a792d4bf36c2 285 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 286 }
Bogdan Marinescu 0:a792d4bf36c2 287
Bogdan Marinescu 0:a792d4bf36c2 288 void equeue_cancel_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 289 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 290 equeue_create(&q, EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 291
Bogdan Marinescu 0:a792d4bf36c2 292 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 293 int id = equeue_call(&q, no_func, 0);
Bogdan Marinescu 0:a792d4bf36c2 294
Bogdan Marinescu 0:a792d4bf36c2 295 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 296 equeue_cancel(&q, id);
Bogdan Marinescu 0:a792d4bf36c2 297 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 298 }
Bogdan Marinescu 0:a792d4bf36c2 299
Bogdan Marinescu 0:a792d4bf36c2 300 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 301 }
Bogdan Marinescu 0:a792d4bf36c2 302
Bogdan Marinescu 0:a792d4bf36c2 303 void equeue_cancel_many_prof(int count) {
Bogdan Marinescu 0:a792d4bf36c2 304 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 305 equeue_create(&q, count*EQUEUE_EVENT_SIZE);
Bogdan Marinescu 0:a792d4bf36c2 306
Bogdan Marinescu 0:a792d4bf36c2 307 for (int i = 0; i < count-1; i++) {
Bogdan Marinescu 0:a792d4bf36c2 308 equeue_call(&q, no_func, 0);
Bogdan Marinescu 0:a792d4bf36c2 309 }
Bogdan Marinescu 0:a792d4bf36c2 310
Bogdan Marinescu 0:a792d4bf36c2 311 prof_loop() {
Bogdan Marinescu 0:a792d4bf36c2 312 int id = equeue_call(&q, no_func, 0);
Bogdan Marinescu 0:a792d4bf36c2 313
Bogdan Marinescu 0:a792d4bf36c2 314 prof_start();
Bogdan Marinescu 0:a792d4bf36c2 315 equeue_cancel(&q, id);
Bogdan Marinescu 0:a792d4bf36c2 316 prof_stop();
Bogdan Marinescu 0:a792d4bf36c2 317 }
Bogdan Marinescu 0:a792d4bf36c2 318
Bogdan Marinescu 0:a792d4bf36c2 319 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 320 }
Bogdan Marinescu 0:a792d4bf36c2 321
Bogdan Marinescu 0:a792d4bf36c2 322 void equeue_alloc_size_prof(void) {
Bogdan Marinescu 0:a792d4bf36c2 323 size_t size = 32*EQUEUE_EVENT_SIZE;
Bogdan Marinescu 0:a792d4bf36c2 324
Bogdan Marinescu 0:a792d4bf36c2 325 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 326 equeue_create(&q, size);
Bogdan Marinescu 0:a792d4bf36c2 327 equeue_alloc(&q, 0);
Bogdan Marinescu 0:a792d4bf36c2 328
Bogdan Marinescu 0:a792d4bf36c2 329 prof_result(size - q.slab.size, "bytes");
Bogdan Marinescu 0:a792d4bf36c2 330
Bogdan Marinescu 0:a792d4bf36c2 331 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 332 }
Bogdan Marinescu 0:a792d4bf36c2 333
Bogdan Marinescu 0:a792d4bf36c2 334 void equeue_alloc_many_size_prof(int count) {
Bogdan Marinescu 0:a792d4bf36c2 335 size_t size = count*EQUEUE_EVENT_SIZE;
Bogdan Marinescu 0:a792d4bf36c2 336
Bogdan Marinescu 0:a792d4bf36c2 337 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 338 equeue_create(&q, size);
Bogdan Marinescu 0:a792d4bf36c2 339
Bogdan Marinescu 0:a792d4bf36c2 340 for (int i = 0; i < count; i++) {
Bogdan Marinescu 0:a792d4bf36c2 341 equeue_alloc(&q, (i % 4) * sizeof(int));
Bogdan Marinescu 0:a792d4bf36c2 342 }
Bogdan Marinescu 0:a792d4bf36c2 343
Bogdan Marinescu 0:a792d4bf36c2 344 prof_result(size - q.slab.size, "bytes");
Bogdan Marinescu 0:a792d4bf36c2 345
Bogdan Marinescu 0:a792d4bf36c2 346 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 347 }
Bogdan Marinescu 0:a792d4bf36c2 348
Bogdan Marinescu 0:a792d4bf36c2 349 void equeue_alloc_fragmented_size_prof(int count) {
Bogdan Marinescu 0:a792d4bf36c2 350 size_t size = count*EQUEUE_EVENT_SIZE;
Bogdan Marinescu 0:a792d4bf36c2 351
Bogdan Marinescu 0:a792d4bf36c2 352 struct equeue q;
Bogdan Marinescu 0:a792d4bf36c2 353 equeue_create(&q, size);
Bogdan Marinescu 0:a792d4bf36c2 354
Bogdan Marinescu 0:a792d4bf36c2 355 void *es[count];
Bogdan Marinescu 0:a792d4bf36c2 356
Bogdan Marinescu 0:a792d4bf36c2 357 for (int i = 0; i < count; i++) {
Bogdan Marinescu 0:a792d4bf36c2 358 es[i] = equeue_alloc(&q, (i % 4) * sizeof(int));
Bogdan Marinescu 0:a792d4bf36c2 359 }
Bogdan Marinescu 0:a792d4bf36c2 360
Bogdan Marinescu 0:a792d4bf36c2 361 for (int i = 0; i < count; i++) {
Bogdan Marinescu 0:a792d4bf36c2 362 equeue_dealloc(&q, es[i]);
Bogdan Marinescu 0:a792d4bf36c2 363 }
Bogdan Marinescu 0:a792d4bf36c2 364
Bogdan Marinescu 0:a792d4bf36c2 365 for (int i = count-1; i >= 0; i--) {
Bogdan Marinescu 0:a792d4bf36c2 366 es[i] = equeue_alloc(&q, (i % 4) * sizeof(int));
Bogdan Marinescu 0:a792d4bf36c2 367 }
Bogdan Marinescu 0:a792d4bf36c2 368
Bogdan Marinescu 0:a792d4bf36c2 369 for (int i = count-1; i >= 0; i--) {
Bogdan Marinescu 0:a792d4bf36c2 370 equeue_dealloc(&q, es[i]);
Bogdan Marinescu 0:a792d4bf36c2 371 }
Bogdan Marinescu 0:a792d4bf36c2 372
Bogdan Marinescu 0:a792d4bf36c2 373 for (int i = 0; i < count; i++) {
Bogdan Marinescu 0:a792d4bf36c2 374 equeue_alloc(&q, (i % 4) * sizeof(int));
Bogdan Marinescu 0:a792d4bf36c2 375 }
Bogdan Marinescu 0:a792d4bf36c2 376
Bogdan Marinescu 0:a792d4bf36c2 377 prof_result(size - q.slab.size, "bytes");
Bogdan Marinescu 0:a792d4bf36c2 378
Bogdan Marinescu 0:a792d4bf36c2 379 equeue_destroy(&q);
Bogdan Marinescu 0:a792d4bf36c2 380 }
Bogdan Marinescu 0:a792d4bf36c2 381
Bogdan Marinescu 0:a792d4bf36c2 382
Bogdan Marinescu 0:a792d4bf36c2 383 // Entry point
Bogdan Marinescu 0:a792d4bf36c2 384 int main() {
Bogdan Marinescu 0:a792d4bf36c2 385 printf("beginning profiling...\n");
Bogdan Marinescu 0:a792d4bf36c2 386
Bogdan Marinescu 0:a792d4bf36c2 387 prof_baseline(baseline_prof);
Bogdan Marinescu 0:a792d4bf36c2 388
Bogdan Marinescu 0:a792d4bf36c2 389 prof_measure(equeue_tick_prof);
Bogdan Marinescu 0:a792d4bf36c2 390 prof_measure(equeue_alloc_prof);
Bogdan Marinescu 0:a792d4bf36c2 391 prof_measure(equeue_post_prof);
Bogdan Marinescu 0:a792d4bf36c2 392 prof_measure(equeue_post_future_prof);
Bogdan Marinescu 0:a792d4bf36c2 393 prof_measure(equeue_dispatch_prof);
Bogdan Marinescu 0:a792d4bf36c2 394 prof_measure(equeue_cancel_prof);
Bogdan Marinescu 0:a792d4bf36c2 395
Bogdan Marinescu 0:a792d4bf36c2 396 prof_measure(equeue_alloc_many_prof, 1000);
Bogdan Marinescu 0:a792d4bf36c2 397 prof_measure(equeue_post_many_prof, 1000);
Bogdan Marinescu 0:a792d4bf36c2 398 prof_measure(equeue_post_future_many_prof, 1000);
Bogdan Marinescu 0:a792d4bf36c2 399 prof_measure(equeue_dispatch_many_prof, 100);
Bogdan Marinescu 0:a792d4bf36c2 400 prof_measure(equeue_cancel_many_prof, 100);
Bogdan Marinescu 0:a792d4bf36c2 401
Bogdan Marinescu 0:a792d4bf36c2 402 prof_measure(equeue_alloc_size_prof);
Bogdan Marinescu 0:a792d4bf36c2 403 prof_measure(equeue_alloc_many_size_prof, 1000);
Bogdan Marinescu 0:a792d4bf36c2 404 prof_measure(equeue_alloc_fragmented_size_prof, 1000);
Bogdan Marinescu 0:a792d4bf36c2 405
Bogdan Marinescu 0:a792d4bf36c2 406 printf("done!\n");
Bogdan Marinescu 0:a792d4bf36c2 407 }