--- a/kernel/trace/trace_osnoise.c~trace-osnoise-make-use-of-the-helper-function-kthread_run_on_cpu +++ a/kernel/trace/trace_osnoise.c @@ -1701,7 +1701,7 @@ static int start_kthread(unsigned int cp snprintf(comm, 24, "osnoise/%d", cpu); } - kthread = kthread_create_on_cpu(main, NULL, cpu, comm); + kthread = kthread_run_on_cpu(main, NULL, cpu, comm); if (IS_ERR(kthread)) { pr_err(BANNER "could not start sampling thread\n"); @@ -1710,7 +1710,6 @@ static int start_kthread(unsigned int cp } per_cpu(per_cpu_osnoise_var, cpu).kthread = kthread; - wake_up_process(kthread); return 0; }