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  * SPDX-License-Identifier: GPL-2.0-only
   6  *
   7  */
   8
   9 #include <lttng/lttng-export.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <pthread.h>
  13 #include <unistd.h>
  14 #include <urcu.h>
  15
  16 #define STALL_TIME 60
  17
  18 /*
  19  * Check if the specified environment variable is set.
  20  * Return 1 if set, otherwise 0.
  21  */
  22 static
  23 int check_env_var(const char *env)
  24 {
  25         if (env) {
  26                 char *env_val = getenv(env);
  27                 if (env_val && (strncmp(env_val, "1", 1) == 0)) {
  28                         return 1;
  29                 }
  30         }
  31
  32         return 0;
  33 }
  34
  35 static
  36 void do_stall(void)
  37 {
  38         unsigned int sleep_time = STALL_TIME;
  39
  40         while (sleep_time > 0) {
  41                 sleep_time = sleep(sleep_time);
  42         }
  43 }
  44
  45 /* Session daemon */
  46
  47 LTTNG_EXPORT int __testpoint_sessiond_thread_manage_clients(void);
  48 int __testpoint_sessiond_thread_manage_clients(void)
  49 {
  50         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_CLIENTS_STALL";
  51
  52         if (check_env_var(var)) {
  53                 do_stall();
  54         }
  55
  56         return 0;
  57 }
  58
  59 LTTNG_EXPORT int __testpoint_sessiond_thread_registration_apps(void);
  60 int __testpoint_sessiond_thread_registration_apps(void)
  61 {
  62         const char *var = "LTTNG_SESSIOND_THREAD_REG_APPS_STALL";
  63
  64         if (check_env_var(var)) {
  65                 do_stall();
  66         }
  67
  68         return 0;
  69 }
  70
  71 LTTNG_EXPORT int __testpoint_sessiond_thread_manage_apps(void);
  72 int __testpoint_sessiond_thread_manage_apps(void)
  73 {
  74         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_APPS_STALL";
  75
  76         if (check_env_var(var)) {
  77                 do_stall();
  78         }
  79
  80         return 0;
  81 }
  82
  83 LTTNG_EXPORT int __testpoint_sessiond_thread_manage_kernel(void);
  84 int __testpoint_sessiond_thread_manage_kernel(void)
  85 {
  86         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_KERNEL_STALL";
  87
  88         if (check_env_var(var)) {
  89                 do_stall();
  90         }
  91
  92         return 0;
  93 }
  94
  95 LTTNG_EXPORT int __testpoint_sessiond_thread_manage_consumer(void);
  96 int __testpoint_sessiond_thread_manage_consumer(void)
  97 {
  98         const char *var = "LTTNG_SESSIOND_THREAD_MANAGE_CONSUMER_STALL";
  99
 100         if (check_env_var(var)) {
 101                 do_stall();
 102         }
 103
 104         return 0;
 105 }
 106
 107 LTTNG_EXPORT int __testpoint_sessiond_thread_app_manage_notify(void);
 108 int __testpoint_sessiond_thread_app_manage_notify(void)
 109 {
 110         const char *var = "LTTNG_SESSIOND_THREAD_APP_MANAGE_NOTIFY_STALL";
 111
 112         if (check_env_var(var)) {
 113                 do_stall();
 114         }
 115
 116         return 0;
 117 }
 118
 119 LTTNG_EXPORT int __testpoint_sessiond_thread_app_reg_dispatch(void);
 120 int __testpoint_sessiond_thread_app_reg_dispatch(void)
 121 {
 122         const char *var = "LTTNG_SESSIOND_THREAD_APP_REG_DISPATCH_STALL";
 123
 124         if (check_env_var(var)) {
 125                 do_stall();
 126         }
 127
 128         return 0;
 129 }
 130
 131 /* Consumer daemon */
 132
 133 LTTNG_EXPORT int __testpoint_consumerd_thread_channel(void);
 134 int __testpoint_consumerd_thread_channel(void)
 135 {
 136         const char *var = "LTTNG_CONSUMERD_THREAD_CHANNEL_STALL";
 137
 138         if (check_env_var(var)) {
 139                 do_stall();
 140         }
 141
 142         return 0;
 143 }
 144
 145 LTTNG_EXPORT int __testpoint_consumerd_thread_metadata(void);
 146 int __testpoint_consumerd_thread_metadata(void)
 147 {
 148         const char *var = "LTTNG_CONSUMERD_THREAD_METADATA_STALL";
 149
 150         if (check_env_var(var)) {
 151                 do_stall();
 152         }
 153
 154         return 0;
 155 }
 156
 157 LTTNG_EXPORT int __testpoint_consumerd_thread_data(void);
 158 int __testpoint_consumerd_thread_data(void)
 159 {
 160         const char *var = "LTTNG_CONSUMERD_THREAD_DATA_STALL";
 161
 162         if (check_env_var(var)) {
 163                 do_stall();
 164         }
 165
 166         return 0;
 167 }
 168
 169 LTTNG_EXPORT int __testpoint_consumerd_thread_sessiond(void);
 170 int __testpoint_consumerd_thread_sessiond(void)
 171 {
 172         const char *var = "LTTNG_CONSUMERD_THREAD_SESSIOND_STALL";
 173
 174         if (check_env_var(var)) {
 175                 do_stall();
 176         }
 177
 178         return 0;
 179 }
 180
 181 LTTNG_EXPORT int __testpoint_consumerd_thread_metadata_timer(void);
 182 int __testpoint_consumerd_thread_metadata_timer(void)
 183 {
 184         const char *var = "LTTNG_CONSUMERD_THREAD_METADATA_TIMER_STALL";
 185
 186         if (check_env_var(var)) {
 187                 do_stall();
 188         }
 189
 190         return 0;
 191 }
 192
 193 /* Relay daemon */
 194
 195 LTTNG_EXPORT int __testpoint_relayd_thread_dispatcher(void);
 196 int __testpoint_relayd_thread_dispatcher(void)
 197 {
 198         const char *var = "LTTNG_RELAYD_THREAD_DISPATCHER_STALL";
 199
 200         if (check_env_var(var)) {
 201                 do_stall();
 202         }
 203
 204         return 0;
 205 }
 206
 207 LTTNG_EXPORT int __testpoint_relayd_thread_worker(void);
 208 int __testpoint_relayd_thread_worker(void)
 209 {
 210         const char *var = "LTTNG_RELAYD_THREAD_WORKER_STALL";
 211
 212         if (check_env_var(var)) {
 213                 do_stall();
 214         }
 215
 216         return 0;
 217 }
 218
 219 LTTNG_EXPORT int __testpoint_relayd_thread_listener(void);
 220 int __testpoint_relayd_thread_listener(void)
 221 {
 222         const char *var = "LTTNG_RELAYD_THREAD_LISTENER_STALL";
 223
 224         if (check_env_var(var)) {
 225                 do_stall();
 226         }
 227
 228         return 0;
 229 }
 230
 231 LTTNG_EXPORT int __testpoint_relayd_thread_live_dispatcher(void);
 232 int __testpoint_relayd_thread_live_dispatcher(void)
 233 {
 234         const char *var = "LTTNG_RELAYD_THREAD_LIVE_DISPATCHER_STALL";
 235
 236         if (check_env_var(var)) {
 237                 do_stall();
 238         }
 239
 240         return 0;
 241 }
 242
 243 LTTNG_EXPORT int __testpoint_relayd_thread_live_worker(void);
 244 int __testpoint_relayd_thread_live_worker(void)
 245 {
 246         const char *var = "LTTNG_RELAYD_THREAD_LIVE_WORKER_STALL";
 247
 248         if (check_env_var(var)) {
 249                 do_stall();
 250         }
 251
 252         return 0;
 253 }
 254
 255 LTTNG_EXPORT int __testpoint_relayd_thread_live_listener(void);
 256 int __testpoint_relayd_thread_live_listener(void)
 257 {
 258         const char *var = "LTTNG_RELAYD_THREAD_LIVE_LISTENER_STALL";
 259
 260         if (check_env_var(var)) {
 261                 do_stall();
 262         }
 263
 264         return 0;
 265 }