/* * Interface for configuring and controlling the state of tracing events. * * Copyright (C) 2011-2016 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. */ #ifndef TRACE__CONTROL_INTERNAL_H #define TRACE__CONTROL_INTERNAL_H #include <stddef.h> /* size_t */ #include "qom/cpu.h" extern int trace_events_enabled_count; static inline bool trace_event_is_pattern(const char *str) { assert(str != NULL); return strchr(str, '*') != NULL; } static inline uint32_t trace_event_get_id(TraceEvent *ev) { assert(ev != NULL); return ev->id; } static inline uint32_t trace_event_get_vcpu_id(TraceEvent *ev) { return ev->vcpu_id; } static inline bool trace_event_is_vcpu(TraceEvent *ev) { return ev->vcpu_id != TRACE_VCPU_EVENT_NONE; } static inline const char * trace_event_get_name(TraceEvent *ev) { assert(ev != NULL); return ev->name; } static inline bool trace_event_get_state_static(TraceEvent *ev) { assert(ev != NULL); return ev->sstate; } /* it's on fast path, avoid consistency checks (asserts) */ #define trace_event_get_state_dynamic_by_id(id) \ (unlikely(trace_events_enabled_count) && _ ## id ## _DSTATE) static inline bool trace_event_get_state_dynamic(TraceEvent *ev) { return unlikely(trace_events_enabled_count) && *ev->dstate; } static inline bool trace_event_get_vcpu_state_dynamic_by_vcpu_id(CPUState *vcpu, uint32_t vcpu_id) { /* it's on fast path, avoid consistency checks (asserts) */ if (unlikely(trace_events_enabled_count)) { return test_bit(vcpu_id, vcpu->trace_dstate); } else { return false; } } static inline bool trace_event_get_vcpu_state_dynamic(CPUState *vcpu, TraceEvent *ev) { uint32_t vcpu_id; assert(trace_event_is_vcpu(ev)); vcpu_id = trace_event_get_vcpu_id(ev); return trace_event_get_vcpu_state_dynamic_by_vcpu_id(vcpu, vcpu_id); } void trace_event_register_group(TraceEvent **events); #endif /* TRACE__CONTROL_INTERNAL_H */