tree: https://android.googlesource.com/kernel/common android12-5.10 head: e162c572232d9e2020248c9f5b36b47724ce9a12 commit: b79d1815c400c3929bb78a209b6e51a38d6ffcb2 [1/2] ANDROID: psi: Add vendor hooks for PSI tracing config: arm64-randconfig-r032-20210421 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-5.10 git checkout b79d1815c400c3929bb78a209b6e51a38d6ffcb2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): kernel/sched/psi.c: In function 'update_triggers': 538 | trace_android_vh_psi_event(t); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ 546 | trace_android_vh_psi_group(group); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ At top level: kernel/sched/psi.c:1342:30: warning: 'psi_cpu_proc_ops' defined but not used [-Wunused-const-variable=] 1342 | static const struct proc_ops psi_cpu_proc_ops = { | ^~~~~~~~~~~~~~~~ kernel/sched/psi.c:1333:30: warning: 'psi_memory_proc_ops' defined but not used [-Wunused-const-variable=] 1333 | static const struct proc_ops psi_memory_proc_ops = { | ^~~~~~~~~~~~~~~~~~~ kernel/sched/psi.c:1324:30: warning: 'psi_io_proc_ops' defined but not used [-Wunused-const-variable=] 1324 | static const struct proc_ops psi_io_proc_ops = { | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/trace_android_vh_psi_event +538 kernel/sched/psi.c 503 504 static u64 update_triggers(struct psi_group *group, u64 now) 505 { 506 struct psi_trigger *t; 507 bool new_stall = false; 508 u64 *total = group->total[PSI_POLL]; 509 510 /* 511 * On subsequent updates, calculate growth deltas and let 512 * watchers know when their specified thresholds are exceeded. 513 */ 514 list_for_each_entry(t, &group->triggers, node) { 515 u64 growth; 516 517 /* Check for stall activity */ 518 if (group->polling_total[t->state] == total[t->state]) 519 continue; 520 521 /* 522 * Multiple triggers might be looking at the same state, 523 * remember to update group->polling_total[] once we've 524 * been through all of them. Also remember to extend the 525 * polling time if we see new stall activity. 526 */ 527 new_stall = true; 528 529 /* Calculate growth since last update */ 530 growth = window_update(&t->win, now, total[t->state]); 531 if (growth < t->threshold) 532 continue; 533 534 /* Limit event signaling to once per window */ 535 if (now < t->last_event_time + t->win.size) 536 continue; 537 539 540 /* Generate an event */ 541 if (cmpxchg(&t->event, 0, 1) == 0) 542 wake_up_interruptible(&t->event_wait); 543 t->last_event_time = now; 544 } 545 547 548 if (new_stall) 549 memcpy(group->polling_total, total, 550 sizeof(group->polling_total)); 551 552 return now + group->poll_min_period; 553 } 554 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org