no_user_tracing 313 arch/nds32/kernel/perf_event_cpu.c unsigned long no_user_tracing = 0; no_user_tracing 319 arch/nds32/kernel/perf_event_cpu.c no_user_tracing = PFM_CTL_KU[idx]; no_user_tracing 324 arch/nds32/kernel/perf_event_cpu.c config_base |= no_user_tracing;