| 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 | } |