Andrew Geissler | fc113ea | 2023-03-31 09:59:46 -0500 | [diff] [blame] | 1 | From 524e58f3b2f9e4702293af66f6768755b300e8d3 Mon Sep 17 00:00:00 2001 |
| 2 | From: Alexander Kanavin <alex@linutronix.de> |
| 3 | Date: Thu, 2 Mar 2023 13:59:13 +0100 |
| 4 | Subject: [PATCH] Support procps 4.x |
| 5 | |
| 6 | Upstream-Status: Submitted [https://gitlab.freedesktop.org/drm/igt-gpu-tools/-/issues/116#note_1785522] |
| 7 | Signed-off-by: Alexander Kanavin <alex@linutronix.de> |
| 8 | --- |
| 9 | lib/igt_aux.c | 238 ++++++++++++++++++++++++++++++++++++++++-------- |
| 10 | lib/meson.build | 7 +- |
| 11 | meson.build | 10 +- |
| 12 | 3 files changed, 215 insertions(+), 40 deletions(-) |
| 13 | |
| 14 | diff --git a/lib/igt_aux.c b/lib/igt_aux.c |
| 15 | index 15e30440..d23c9a40 100644 |
| 16 | --- a/lib/igt_aux.c |
| 17 | +++ b/lib/igt_aux.c |
| 18 | @@ -52,8 +52,16 @@ |
| 19 | #include <assert.h> |
| 20 | #include <grp.h> |
| 21 | |
| 22 | +#ifdef HAVE_LIBPROCPS |
| 23 | #include <proc/readproc.h> |
| 24 | +#endif |
| 25 | +#ifdef HAVE_LIBPROC2 |
| 26 | +#include <libproc2/pids.h> |
| 27 | +#endif |
| 28 | + |
| 29 | #include <libudev.h> |
| 30 | +#include <linux/limits.h> |
| 31 | +#include <dirent.h> |
| 32 | |
| 33 | #include "drmtest.h" |
| 34 | #include "i915_drm.h" |
| 35 | @@ -1217,6 +1225,7 @@ void igt_unlock_mem(void) |
| 36 | */ |
| 37 | int igt_is_process_running(const char *comm) |
| 38 | { |
| 39 | +#if HAVE_LIBPROCPS |
| 40 | PROCTAB *proc; |
| 41 | proc_t *proc_info; |
| 42 | bool found = false; |
| 43 | @@ -1235,6 +1244,26 @@ int igt_is_process_running(const char *comm) |
| 44 | |
| 45 | closeproc(proc); |
| 46 | return found; |
| 47 | +#endif |
| 48 | +#ifdef HAVE_LIBPROC2 |
| 49 | + enum pids_item Item[] = { PIDS_CMD }; |
| 50 | + struct pids_info *info = NULL; |
| 51 | + struct pids_stack *stack; |
| 52 | + char *pid_comm; |
| 53 | + bool found = false; |
| 54 | + |
| 55 | + if (procps_pids_new(&info, Item, 1) < 0) |
| 56 | + return false; |
| 57 | + while ((stack = procps_pids_get(info, PIDS_FETCH_TASKS_ONLY))) { |
| 58 | + pid_comm = PIDS_VAL(0, str, stack, info); |
| 59 | + if (!strncasecmp(pid_comm, comm, strlen(pid_comm))) { |
| 60 | + found = true; |
| 61 | + break; |
| 62 | + } |
| 63 | + } |
| 64 | + procps_pids_unref(&info); |
| 65 | + return found; |
| 66 | +#endif |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | @@ -1251,6 +1280,7 @@ int igt_is_process_running(const char *comm) |
| 71 | */ |
| 72 | int igt_terminate_process(int sig, const char *comm) |
| 73 | { |
| 74 | +#ifdef HAVE_LIBPROCPS |
| 75 | PROCTAB *proc; |
| 76 | proc_t *proc_info; |
| 77 | int err = 0; |
| 78 | @@ -1272,6 +1302,29 @@ int igt_terminate_process(int sig, const char *comm) |
| 79 | |
| 80 | closeproc(proc); |
| 81 | return err; |
| 82 | +#endif |
| 83 | +#ifdef HAVE_LIBPROC2 |
| 84 | + enum pids_item Items[] = { PIDS_ID_PID, PIDS_CMD }; |
| 85 | + struct pids_info *info = NULL; |
| 86 | + struct pids_stack *stack; |
| 87 | + char *pid_comm; |
| 88 | + int pid; |
| 89 | + int err = 0; |
| 90 | + |
| 91 | + if (procps_pids_new(&info, Items, 2) < 0) |
| 92 | + return -errno; |
| 93 | + while ((stack = procps_pids_get(info, PIDS_FETCH_TASKS_ONLY))) { |
| 94 | + pid = PIDS_VAL(0, s_int, stack, info); |
| 95 | + pid_comm = PIDS_VAL(1, str, stack, info); |
| 96 | + if (!strncasecmp(pid_comm, comm, strlen(pid_comm))) { |
| 97 | + if (kill(pid, sig) < 0) |
| 98 | + err = -errno; |
| 99 | + break; |
| 100 | + } |
| 101 | + } |
| 102 | + procps_pids_unref(&info); |
| 103 | + return err; |
| 104 | +#endif |
| 105 | } |
| 106 | |
| 107 | struct pinfo { |
| 108 | @@ -1341,9 +1394,9 @@ igt_show_stat_header(void) |
| 109 | } |
| 110 | |
| 111 | static void |
| 112 | -igt_show_stat(proc_t *info, int *state, const char *fn) |
| 113 | +igt_show_stat(const pid_t tid, const char *cmd, int *state, const char *fn) |
| 114 | { |
| 115 | - struct pinfo p = { .pid = info->tid, .comm = info->cmd, .fn = fn }; |
| 116 | + struct pinfo p = { .pid = tid, .comm = cmd, .fn = fn }; |
| 117 | |
| 118 | if (!*state) |
| 119 | igt_show_stat_header(); |
| 120 | @@ -1353,7 +1406,7 @@ igt_show_stat(proc_t *info, int *state, const char *fn) |
| 121 | } |
| 122 | |
| 123 | static void |
| 124 | -__igt_lsof_fds(proc_t *proc_info, int *state, char *proc_path, const char *dir) |
| 125 | +__igt_lsof_fds(const pid_t tid, const char *cmd, int *state, char *proc_path, const char *dir) |
| 126 | { |
| 127 | struct dirent *d; |
| 128 | struct stat st; |
| 129 | @@ -1400,7 +1453,7 @@ again: |
| 130 | dirn = dirname(copy_fd_lnk); |
| 131 | |
| 132 | if (!strncmp(dir, dirn, strlen(dir))) |
| 133 | - igt_show_stat(proc_info, state, fd_lnk); |
| 134 | + igt_show_stat(tid, cmd, state, fd_lnk); |
| 135 | |
| 136 | free(copy_fd_lnk); |
| 137 | free(fd_lnk); |
| 138 | @@ -1416,13 +1469,14 @@ again: |
| 139 | static void |
| 140 | __igt_lsof(const char *dir) |
| 141 | { |
| 142 | - PROCTAB *proc; |
| 143 | - proc_t *proc_info; |
| 144 | - |
| 145 | char path[30]; |
| 146 | char *name_lnk; |
| 147 | struct stat st; |
| 148 | int state = 0; |
| 149 | +#ifdef HAVE_LIBPROCPS |
| 150 | + PROCTAB *proc; |
| 151 | + proc_t *proc_info; |
| 152 | + |
| 153 | |
| 154 | proc = openproc(PROC_FILLCOM | PROC_FILLSTAT | PROC_FILLARG); |
| 155 | igt_assert(proc != NULL); |
| 156 | @@ -1456,6 +1510,44 @@ __igt_lsof(const char *dir) |
| 157 | } |
| 158 | |
| 159 | closeproc(proc); |
| 160 | +#endif |
| 161 | +#ifdef HAVE_LIBPROC2 |
| 162 | + enum pids_item Items[] = { PIDS_ID_PID, PIDS_CMD }; |
| 163 | + struct pids_info *info = NULL; |
| 164 | + struct pids_stack *stack; |
| 165 | + |
| 166 | + if (procps_pids_new(&info, Items, 2) < 0) |
| 167 | + return; |
| 168 | + while ((stack = procps_pids_get(info, PIDS_FETCH_TASKS_ONLY))) { |
| 169 | + ssize_t read; |
| 170 | + int tid = PIDS_VAL(0, s_int, stack, info); |
| 171 | + char *pid_comm = PIDS_VAL(1, str, stack, info); |
| 172 | + |
| 173 | + /* check current working directory */ |
| 174 | + memset(path, 0, sizeof(path)); |
| 175 | + snprintf(path, sizeof(path), "/proc/%d/cwd", tid); |
| 176 | + |
| 177 | + if (stat(path, &st) == -1) |
| 178 | + continue; |
| 179 | + |
| 180 | + name_lnk = malloc(st.st_size + 1); |
| 181 | + |
| 182 | + igt_assert((read = readlink(path, name_lnk, st.st_size + 1))); |
| 183 | + name_lnk[read] = '\0'; |
| 184 | + |
| 185 | + if (!strncmp(dir, name_lnk, strlen(dir))) |
| 186 | + igt_show_stat(tid, pid_comm, &state, name_lnk); |
| 187 | + |
| 188 | + /* check also fd, seems that lsof(8) doesn't look here */ |
| 189 | + memset(path, 0, sizeof(path)); |
| 190 | + snprintf(path, sizeof(path), "/proc/%d/fd", tid); |
| 191 | + |
| 192 | + __igt_lsof_fds(tid, pid_comm, &state, path, dir); |
| 193 | + |
| 194 | + free(name_lnk); |
| 195 | + } |
| 196 | + procps_pids_unref(&info); |
| 197 | +#endif |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | @@ -1490,7 +1582,7 @@ igt_lsof(const char *dpath) |
| 202 | free(sanitized); |
| 203 | } |
| 204 | |
| 205 | -static void pulseaudio_unload_module(proc_t *proc_info) |
| 206 | +static void pulseaudio_unload_module(const uid_t euid, const gid_t egid) |
| 207 | { |
| 208 | struct igt_helper_process pa_proc = {}; |
| 209 | char xdg_dir[PATH_MAX]; |
| 210 | @@ -1498,14 +1590,14 @@ static void pulseaudio_unload_module(proc_t *proc_info) |
| 211 | struct passwd *pw; |
| 212 | |
| 213 | igt_fork_helper(&pa_proc) { |
| 214 | - pw = getpwuid(proc_info->euid); |
| 215 | + pw = getpwuid(euid); |
| 216 | homedir = pw->pw_dir; |
| 217 | - snprintf(xdg_dir, sizeof(xdg_dir), "/run/user/%d", proc_info->euid); |
| 218 | + snprintf(xdg_dir, sizeof(xdg_dir), "/run/user/%d", euid); |
| 219 | |
| 220 | igt_info("Request pulseaudio to stop using audio device\n"); |
| 221 | |
| 222 | - setgid(proc_info->egid); |
| 223 | - setuid(proc_info->euid); |
| 224 | + setgid(egid); |
| 225 | + setuid(euid); |
| 226 | clearenv(); |
| 227 | setenv("HOME", homedir, 1); |
| 228 | setenv("XDG_RUNTIME_DIR",xdg_dir, 1); |
| 229 | @@ -1524,10 +1616,12 @@ static void pipewire_reserve_wait(void) |
| 230 | char xdg_dir[PATH_MAX]; |
| 231 | const char *homedir; |
| 232 | struct passwd *pw; |
| 233 | - proc_t *proc_info; |
| 234 | - PROCTAB *proc; |
| 235 | + int tid=0, euid, egid; |
| 236 | |
| 237 | +#ifdef HAVE_LIBPROCPS |
| 238 | igt_fork_helper(&pw_reserve_proc) { |
| 239 | + proc_t *proc_info; |
| 240 | + PROCTAB *proc; |
| 241 | igt_info("Preventing pipewire-pulse to use the audio drivers\n"); |
| 242 | |
| 243 | proc = openproc(PROC_FILLCOM | PROC_FILLSTAT | PROC_FILLARG); |
| 244 | @@ -1539,21 +1633,44 @@ static void pipewire_reserve_wait(void) |
| 245 | freeproc(proc_info); |
| 246 | } |
| 247 | closeproc(proc); |
| 248 | + tid = proc_info->tid; |
| 249 | + euid = proc_info->euid; |
| 250 | + egid = proc_info->egid; |
| 251 | + freeproc(proc_info); |
| 252 | +#endif |
| 253 | +#ifdef HAVE_LIBPROC2 |
| 254 | + igt_fork(child, 1) { |
| 255 | + enum pids_item Items[] = { PIDS_ID_PID, PIDS_ID_EUID, PIDS_ID_EGID }; |
| 256 | + enum rel_items { EU_PID, EU_EUID, EU_EGID }; |
| 257 | + struct pids_info *info = NULL; |
| 258 | + struct pids_stack *stack; |
| 259 | + |
| 260 | + igt_info("Preventing pipewire-pulse to use the audio drivers\n"); |
| 261 | + |
| 262 | + if (procps_pids_new(&info, Items, 3) < 0) |
| 263 | + return; |
| 264 | + while ((stack = procps_pids_get(info, PIDS_FETCH_TASKS_ONLY))) { |
| 265 | + tid = PIDS_VAL(EU_PID, s_int, stack, info); |
| 266 | + if (pipewire_pulse_pid == tid) |
| 267 | + break; |
| 268 | + } |
| 269 | + euid = PIDS_VAL(EU_EUID, s_int, stack, info); |
| 270 | + egid = PIDS_VAL(EU_EGID, s_int, stack, info); |
| 271 | + procps_pids_unref(&info); |
| 272 | +#endif |
| 273 | |
| 274 | /* Sanity check: if it can't find the process, it means it has gone */ |
| 275 | - if (pipewire_pulse_pid != proc_info->tid) |
| 276 | + if (pipewire_pulse_pid != tid) |
| 277 | exit(0); |
| 278 | |
| 279 | - pw = getpwuid(proc_info->euid); |
| 280 | + pw = getpwuid(euid); |
| 281 | homedir = pw->pw_dir; |
| 282 | - snprintf(xdg_dir, sizeof(xdg_dir), "/run/user/%d", proc_info->euid); |
| 283 | - setgid(proc_info->egid); |
| 284 | - setuid(proc_info->euid); |
| 285 | + snprintf(xdg_dir, sizeof(xdg_dir), "/run/user/%d", euid); |
| 286 | + setgid(egid); |
| 287 | + setuid(euid); |
| 288 | clearenv(); |
| 289 | setenv("HOME", homedir, 1); |
| 290 | setenv("XDG_RUNTIME_DIR",xdg_dir, 1); |
| 291 | - freeproc(proc_info); |
| 292 | - |
| 293 | /* |
| 294 | * pw-reserve will run in background. It will only exit when |
| 295 | * igt_kill_children() is called later on. So, it shouldn't |
| 296 | @@ -1570,9 +1687,7 @@ static void pipewire_reserve_wait(void) |
| 297 | int pipewire_pulse_start_reserve(void) |
| 298 | { |
| 299 | bool is_pw_reserve_running = false; |
| 300 | - proc_t *proc_info; |
| 301 | int attempts = 0; |
| 302 | - PROCTAB *proc; |
| 303 | |
| 304 | if (!pipewire_pulse_pid) |
| 305 | return 0; |
| 306 | @@ -1584,6 +1699,10 @@ int pipewire_pulse_start_reserve(void) |
| 307 | * pipewire version 0.3.50 or upper. |
| 308 | */ |
| 309 | for (attempts = 0; attempts < PIPEWIRE_RESERVE_MAX_TIME; attempts++) { |
| 310 | +#ifdef HAVE_LIBPROCPS |
| 311 | + proc_t *proc_info; |
| 312 | + PROCTAB *proc; |
| 313 | + |
| 314 | usleep(1000); |
| 315 | proc = openproc(PROC_FILLCOM | PROC_FILLSTAT | PROC_FILLARG); |
| 316 | igt_assert(proc != NULL); |
| 317 | @@ -1598,6 +1717,25 @@ int pipewire_pulse_start_reserve(void) |
| 318 | freeproc(proc_info); |
| 319 | } |
| 320 | closeproc(proc); |
| 321 | +#endif |
| 322 | +#ifdef HAVE_LIBPROC2 |
| 323 | + enum pids_item Items[] = { PIDS_ID_PID, PIDS_CMD }; |
| 324 | + struct pids_info *info = NULL; |
| 325 | + struct pids_stack *stack; |
| 326 | + |
| 327 | + usleep(1000); |
| 328 | + |
| 329 | + if (procps_pids_new(&info, Items, 2) < 0) |
| 330 | + return 1; |
| 331 | + while ((stack = procps_pids_get(info, PIDS_FETCH_TASKS_ONLY))) { |
| 332 | + if (!strcmp(PIDS_VAL(1, str, stack, info), "pw-reserve")) { |
| 333 | + is_pw_reserve_running = true; |
| 334 | + pipewire_pw_reserve_pid = PIDS_VAL(0, s_int, stack, info); |
| 335 | + break; |
| 336 | + } |
| 337 | + } |
| 338 | + procps_pids_unref(&info); |
| 339 | +#endif |
| 340 | if (is_pw_reserve_running) |
| 341 | break; |
| 342 | } |
| 343 | @@ -1645,7 +1783,7 @@ void pipewire_pulse_stop_reserve(void) |
| 344 | * If the check fails, it means that the process can simply be killed. |
| 345 | */ |
| 346 | static int |
| 347 | -__igt_lsof_audio_and_kill_proc(proc_t *proc_info, char *proc_path) |
| 348 | +__igt_lsof_audio_and_kill_proc(const pid_t tid, const char *cmd, const uid_t euid, const gid_t egid, char *proc_path) |
| 349 | { |
| 350 | const char *audio_dev = "/dev/snd/"; |
| 351 | char path[PATH_MAX * 2]; |
| 352 | @@ -1670,10 +1808,10 @@ __igt_lsof_audio_and_kill_proc(proc_t *proc_info, char *proc_path) |
| 353 | * 2) unload/unbind the the audio driver(s); |
| 354 | * 3) stop the pw-reserve thread. |
| 355 | */ |
| 356 | - if (!strcmp(proc_info->cmd, "pipewire-pulse")) { |
| 357 | + if (!strcmp(cmd, "pipewire-pulse")) { |
| 358 | igt_info("process %d (%s) is using audio device. Should be requested to stop using them.\n", |
| 359 | - proc_info->tid, proc_info->cmd); |
| 360 | - pipewire_pulse_pid = proc_info->tid; |
| 361 | + tid, cmd); |
| 362 | + pipewire_pulse_pid = tid; |
| 363 | return 0; |
| 364 | } |
| 365 | /* |
| 366 | @@ -1685,9 +1823,9 @@ __igt_lsof_audio_and_kill_proc(proc_t *proc_info, char *proc_path) |
| 367 | * will respawn them. So, just ignore here, they'll honor pw-reserve, |
| 368 | * when the time comes. |
| 369 | */ |
| 370 | - if (!strcmp(proc_info->cmd, "pipewire-media-session")) |
| 371 | + if (!strcmp(cmd, "pipewire-media-session")) |
| 372 | return 0; |
| 373 | - if (!strcmp(proc_info->cmd, "wireplumber")) |
| 374 | + if (!strcmp(cmd, "wireplumber")) |
| 375 | return 0; |
| 376 | |
| 377 | dp = opendir(proc_path); |
| 378 | @@ -1723,22 +1861,22 @@ __igt_lsof_audio_and_kill_proc(proc_t *proc_info, char *proc_path) |
| 379 | * enough to unbind audio modules and won't cause race issues |
| 380 | * with systemd trying to reload it. |
| 381 | */ |
| 382 | - if (!strcmp(proc_info->cmd, "pulseaudio")) { |
| 383 | - pulseaudio_unload_module(proc_info); |
| 384 | + if (!strcmp(cmd, "pulseaudio")) { |
| 385 | + pulseaudio_unload_module(euid, egid); |
| 386 | break; |
| 387 | } |
| 388 | |
| 389 | /* For all other processes, just kill them */ |
| 390 | igt_info("process %d (%s) is using audio device. Should be terminated.\n", |
| 391 | - proc_info->tid, proc_info->cmd); |
| 392 | + tid, cmd); |
| 393 | |
| 394 | - if (kill(proc_info->tid, SIGTERM) < 0) { |
| 395 | + if (kill(tid, SIGTERM) < 0) { |
| 396 | igt_info("Fail to terminate %s (pid: %d) with SIGTERM\n", |
| 397 | - proc_info->cmd, proc_info->tid); |
| 398 | - if (kill(proc_info->tid, SIGABRT) < 0) { |
| 399 | + cmd, tid); |
| 400 | + if (kill(tid, SIGABRT) < 0) { |
| 401 | fail++; |
| 402 | igt_info("Fail to terminate %s (pid: %d) with SIGABRT\n", |
| 403 | - proc_info->cmd, proc_info->tid); |
| 404 | + cmd, tid); |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | @@ -1760,9 +1898,10 @@ int |
| 409 | igt_lsof_kill_audio_processes(void) |
| 410 | { |
| 411 | char path[PATH_MAX]; |
| 412 | + int fail = 0; |
| 413 | +#ifdef HAVE_LIBPROCPS |
| 414 | proc_t *proc_info; |
| 415 | PROCTAB *proc; |
| 416 | - int fail = 0; |
| 417 | |
| 418 | proc = openproc(PROC_FILLCOM | PROC_FILLSTAT | PROC_FILLARG); |
| 419 | igt_assert(proc != NULL); |
| 420 | @@ -1772,12 +1911,35 @@ igt_lsof_kill_audio_processes(void) |
| 421 | if (snprintf(path, sizeof(path), "/proc/%d/fd", proc_info->tid) < 1) |
| 422 | fail++; |
| 423 | else |
| 424 | - fail += __igt_lsof_audio_and_kill_proc(proc_info, path); |
| 425 | + fail += __igt_lsof_audio_and_kill_proc(proc_info->pid, proc_info->cmd, proc_info->euid, proc_info->egid, path); |
| 426 | |
| 427 | freeproc(proc_info); |
| 428 | } |
| 429 | closeproc(proc); |
| 430 | +#endif |
| 431 | +#ifdef HAVE_LIBPROC2 |
| 432 | + enum pids_item Items[] = { PIDS_ID_PID, PIDS_CMD, PIDS_ID_EUID, PIDS_ID_EGID }; |
| 433 | + enum rel_items { EU_PID, EU_CMD, EU_EUID, EU_EGID }; |
| 434 | + struct pids_info *info = NULL; |
| 435 | + struct pids_stack *stack; |
| 436 | + pid_t tid; |
| 437 | + |
| 438 | + if (procps_pids_new(&info, Items, 4) < 0) |
| 439 | + return 1; |
| 440 | + while ((stack = procps_pids_get(info, PIDS_FETCH_TASKS_ONLY))) { |
| 441 | + tid = PIDS_VAL(EU_PID, s_int, stack, info); |
| 442 | |
| 443 | + if (snprintf(path, sizeof(path), "/proc/%d/fd", tid) < 1) |
| 444 | + fail++; |
| 445 | + else |
| 446 | + fail += __igt_lsof_audio_and_kill_proc(tid, |
| 447 | + PIDS_VAL(EU_CMD, str, stack, info), |
| 448 | + PIDS_VAL(EU_EUID, s_int, stack, info), |
| 449 | + PIDS_VAL(EU_EGID, s_int, stack, info), |
| 450 | + path); |
| 451 | + } |
| 452 | + procps_pids_unref(&info); |
| 453 | +#endif |
| 454 | return fail; |
| 455 | } |
| 456 | |
| 457 | diff --git a/lib/meson.build b/lib/meson.build |
| 458 | index cc784686..90591e0e 100644 |
| 459 | --- a/lib/meson.build |
| 460 | +++ b/lib/meson.build |
| 461 | @@ -105,7 +105,6 @@ lib_deps = [ |
| 462 | libdrm, |
| 463 | libdw, |
| 464 | libkmod, |
| 465 | - libprocps, |
| 466 | libudev, |
| 467 | math, |
| 468 | pciaccess, |
| 469 | @@ -169,6 +168,12 @@ if chamelium.found() |
| 470 | lib_sources += 'monitor_edids/monitor_edids_helper.c' |
| 471 | endif |
| 472 | |
| 473 | +if libprocps.found() |
| 474 | + lib_deps += libprocps |
| 475 | +else |
| 476 | + lib_deps += libproc2 |
| 477 | +endif |
| 478 | + |
| 479 | if get_option('srcdir') != '' |
| 480 | srcdir = join_paths(get_option('srcdir'), 'tests') |
| 481 | else |
| 482 | diff --git a/meson.build b/meson.build |
| 483 | index e7a68503..309b0af3 100644 |
| 484 | --- a/meson.build |
| 485 | +++ b/meson.build |
| 486 | @@ -120,7 +120,15 @@ build_info += 'With libdrm: ' + ','.join(libdrm_info) |
| 487 | |
| 488 | pciaccess = dependency('pciaccess', version : '>=0.10') |
| 489 | libkmod = dependency('libkmod') |
| 490 | -libprocps = dependency('libprocps', required : true) |
| 491 | +libprocps = dependency('libprocps', required : false) |
| 492 | +libproc2 = dependency('libproc2', required : false) |
| 493 | +if libprocps.found() |
| 494 | + config.set('HAVE_LIBPROCPS', 1) |
| 495 | +elif libproc2.found() |
| 496 | + config.set('HAVE_LIBPROC2', 1) |
| 497 | +else |
| 498 | + error('Either libprocps or libproc2 is required') |
| 499 | +endif |
| 500 | |
| 501 | libunwind = dependency('libunwind', required : get_option('libunwind')) |
| 502 | build_info += 'With libunwind: @0@'.format(libunwind.found()) |