/* * Interface for configuring and controlling the state of tracing events. * * Copyright (C) 2014-2016 LluĂs Vilanova <vilanova@ac.upc.edu> * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ #include "qemu/osdep.h" #include "trace/control.h" void trace_event_set_state_dynamic_init(TraceEvent *ev, bool state) { trace_event_set_state_dynamic(ev, state); } void trace_event_set_state_dynamic(TraceEvent *ev, bool state) { TraceEventID id; bool state_pre; assert(trace_event_get_state_static(ev)); id = trace_event_get_id(ev); /* * We ignore the "vcpu" property here, since there's no target code. Then * dstate can only be 1 or 0. */ state_pre = trace_events_dstate[id]; if (state_pre != state) { if (state) { trace_events_enabled_count++; trace_events_dstate[id] = 1; } else { trace_events_enabled_count--; trace_events_dstate[id] = 0; } } } void trace_event_set_vcpu_state_dynamic(CPUState *vcpu, TraceEvent *ev, bool state) { /* should never be called on non-target binaries */ abort(); }