qemu/trace/control.h

4  * Copyright (C) 2011-2016 Lluís Vilanova <vilanova@ac.upc.edu>
7  * See the COPYING file in the top-level directory.
13 #include "event-internal.h"
17     size_t event;  member
27  * @iter: the event iterator struct
29  * Initialize the event iterator struct @iter,
36  * @iter: the event iterator struct
37  * @pattern: pattern to filter events on name
39  * Initialize the event iterator struct @iter,
41  * with non-matching names.
47  * @iter: the event iterator struct
50  * Initialize the event iterator struct @iter,
57  * @iter: the event iterator struct
59  * Get the next event, if any. When this returns NULL,
62  * Returns: the next event, or NULL if no more events exist
69  * @id: Event name.
71  * Search an event by its name.
75 TraceEvent *trace_event_name(const char *name);
80  * Whether the given string is an event name pattern.
88  * Get the identifier of an event.
95  * Get the name of an event.
101  * @id: Event identifier name.
103  * Get the tracing state of an event, both static and the QEMU dynamic state.
105  * If the event has the disabled property, the check will have no performance
113  * @id: Event identifier name.
115  * Get the tracing state of an event, both static and dynamic state from all
116  * compiled-in backends.
118  * If the event has the disabled property, the check will have no performance
121  * Returns: true if at least one backend has the event enabled and the event
129  * @id: Event identifier.
131  * Get the static tracing state of an event.
133  * Use the define 'TRACE_${EVENT_NAME}_ENABLED' for compile-time checks (it will
141  * Get the dynamic tracing state of an event.
143  * If the event has the 'vcpu' property, gets the OR'ed state of all vCPUs.
150  * Set the dynamic tracing state of an event.
152  * If the event has the 'vcpu' property, sets the state on all vCPUs.
154  * Pre-condition: trace_event_get_state_static(ev) == true
170  * Record the name of the output file for the tracing backend.
172  * output file, and a file was specified with "-trace file=...".
187  *            if the string starts with '-', disabled.
200  * @optstr: A string argument of --trace command line argument
209  * Return the number of known vcpu-specific events
214 #include "control-internal.h"