tests/regression/tools/health/health_stall.c

   1 /*
   2  * Copyright (C) 2012 - Christian Babeux <christian.babeux@efficios.com>
   3  * Copyright (C) 2014 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License, version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc., 51
  16  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <pthread.h>
  22 #include <unistd.h>
  23 #include <urcu.h>
  24
  25 #define STALL_TIME 60
  26
  27 /*
  28  * Check if the specified environment variable is set.
  29  * Return 1 if set, otherwise 0.
  30  */
  31 static
  32 int check_env_var(const char *env)
  33 {
  34         if (env) {
  35                 char *env_val = getenv(env);
  36                 if (env_val && (strncmp(env_val, "1", 1) == 0)) {
  37                         return 1;
  38                 }
  39         }
  40
  41         return 0;
  42 }
  43
  44 static
  45 void do_stall(void)
  46 {
  47         unsigned int sleep_time = STALL_TIME;
  48
  49         while (sleep_time > 0) {
  50                 sleep_time = sleep(sleep_time);
  51         }
  52 }
  53
  54 /* Session daemon */
  55
  56 int __testpoint_sessiond_thread_manage_clients(void)
  57 {
  58         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_CLIENTS_STALL";
  59
  60         if (check_env_var(var)) {
  61                 do_stall();
  62         }
  63
  64         return 0;
  65 }
  66
  67 int __testpoint_sessiond_thread_registration_apps(void)
  68 {
  69         const char *var = "LTTNG_SESSIOND_THREAD_REG_APPS_STALL";
  70
  71         if (check_env_var(var)) {
  72                 do_stall();
  73         }
  74
  75         return 0;
  76 }
  77
  78 int __testpoint_sessiond_thread_manage_apps(void)
  79 {
  80         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_APPS_STALL";
  81
  82         if (check_env_var(var)) {
  83                 do_stall();
  84         }
  85
  86         return 0;
  87 }
  88
  89 int __testpoint_sessiond_thread_manage_kernel(void)
  90 {
  91         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_KERNEL_STALL";
  92
  93         if (check_env_var(var)) {
  94                 do_stall();
  95         }
  96
  97         return 0;
  98 }
  99
 100 int __testpoint_sessiond_thread_manage_consumer(void)
 101 {
 102         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_CONSUMER_STALL";
 103
 104         if (check_env_var(var)) {
 105                 do_stall();
 106         }
 107
 108         return 0;
 109 }
 110
 111 int __testpoint_sessiond_thread_ht_cleanup(void)
 112 {
 113         const char *var = "LTTNG_SESSIOND_THREAD_HT_CLEANUP_STALL";
 114
 115         if (check_env_var(var)) {
 116                 do_stall();
 117         }
 118
 119         return 0;
 120 }
 121
 122 int __testpoint_sessiond_thread_app_manage_notify(void)
 123 {
 124         const char *var = "LTTNG_SESSIOND_THREAD_APP_MANAGE_NOTIFY_STALL";
 125
 126         if (check_env_var(var)) {
 127                 do_stall();
 128         }
 129
 130         return 0;
 131 }
 132
 133 int __testpoint_sessiond_thread_app_reg_dispatch(void)
 134 {
 135         const char *var = "LTTNG_SESSIOND_THREAD_APP_REG_DISPATCH_STALL";
 136
 137         if (check_env_var(var)) {
 138                 do_stall();
 139         }
 140
 141         return 0;
 142 }
 143
 144 /* Consumer daemon */
 145
 146 int __testpoint_consumerd_thread_channel(void)
 147 {
 148         const char *var = "LTTNG_CONSUMERD_THREAD_CHANNEL_STALL";
 149
 150         if (check_env_var(var)) {
 151                 do_stall();
 152         }
 153
 154         return 0;
 155 }
 156
 157 int __testpoint_consumerd_thread_metadata(void)
 158 {
 159         const char *var = "LTTNG_CONSUMERD_THREAD_METADATA_STALL";
 160
 161         if (check_env_var(var)) {
 162                 do_stall();
 163         }
 164
 165         return 0;
 166 }
 167
 168 int __testpoint_consumerd_thread_data(void)
 169 {
 170         const char *var = "LTTNG_CONSUMERD_THREAD_DATA_STALL";
 171
 172         if (check_env_var(var)) {
 173                 do_stall();
 174         }
 175
 176         return 0;
 177 }
 178
 179 int __testpoint_consumerd_thread_sessiond(void)
 180 {
 181         const char *var = "LTTNG_CONSUMERD_THREAD_SESSIOND_STALL";
 182
 183         if (check_env_var(var)) {
 184                 do_stall();
 185         }
 186
 187         return 0;
 188 }
 189
 190 int __testpoint_consumerd_thread_metadata_timer(void)
 191 {
 192         const char *var = "LTTNG_CONSUMERD_THREAD_METADATA_TIMER_STALL";
 193
 194         if (check_env_var(var)) {
 195                 do_stall();
 196         }
 197
 198         return 0;
 199 }
 200
 201 /* Relay daemon */
 202
 203 int __testpoint_relayd_thread_dispatcher(void)
 204 {
 205         const char *var = "LTTNG_RELAYD_THREAD_DISPATCHER_STALL";
 206
 207         if (check_env_var(var)) {
 208                 do_stall();
 209         }
 210
 211         return 0;
 212 }
 213
 214 int __testpoint_relayd_thread_worker(void)
 215 {
 216         const char *var = "LTTNG_RELAYD_THREAD_WORKER_STALL";
 217
 218         if (check_env_var(var)) {
 219                 do_stall();
 220         }
 221
 222         return 0;
 223 }
 224
 225 int __testpoint_relayd_thread_listener(void)
 226 {
 227         const char *var = "LTTNG_RELAYD_THREAD_LISTENER_STALL";
 228
 229         if (check_env_var(var)) {
 230                 do_stall();
 231         }
 232
 233         return 0;
 234 }
 235
 236 int __testpoint_relayd_thread_live_dispatcher(void)
 237 {
 238         const char *var = "LTTNG_RELAYD_THREAD_LIVE_DISPATCHER_STALL";
 239
 240         if (check_env_var(var)) {
 241                 do_stall();
 242         }
 243
 244         return 0;
 245 }
 246
 247 int __testpoint_relayd_thread_live_worker(void)
 248 {
 249         const char *var = "LTTNG_RELAYD_THREAD_LIVE_WORKER_STALL";
 250
 251         if (check_env_var(var)) {
 252                 do_stall();
 253         }
 254
 255         return 0;
 256 }
 257
 258 int __testpoint_relayd_thread_live_listener(void)
 259 {
 260         const char *var = "LTTNG_RELAYD_THREAD_LIVE_LISTENER_STALL";
 261
 262         if (check_env_var(var)) {
 263                 do_stall();
 264         }
 265
 266         return 0;
 267 }