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89aafcf2a7
Now we no longer have any events that are for vcpus we can start excising the code from the trace control. As the vcpu parameter is encoded as part of QMP we just stub out the has_vcpu/vcpu parameters rather than alter the API. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20230526165401.574474-8-alex.bennee@linaro.org Message-Id: <20230524133952.3971948-7-alex.bennee@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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* Interface for configuring and controlling the state of tracing events.
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*
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* Copyright (C) 2014-2017 Lluís Vilanova <vilanova@ac.upc.edu>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qemu/lockable.h"
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#include "cpu.h"
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#include "trace/trace-root.h"
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#include "trace/control.h"
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void trace_event_set_state_dynamic_init(TraceEvent *ev, bool state)
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{
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bool state_pre;
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assert(trace_event_get_state_static(ev));
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/*
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* We ignore the "vcpu" property here, since no vCPUs have been created
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* yet. Then dstate can only be 1 or 0.
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*/
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state_pre = *ev->dstate;
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if (state_pre != state) {
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if (state) {
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trace_events_enabled_count++;
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*ev->dstate = 1;
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} else {
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trace_events_enabled_count--;
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*ev->dstate = 0;
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}
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}
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}
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void trace_event_set_state_dynamic(TraceEvent *ev, bool state)
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{
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assert(trace_event_get_state_static(ev));
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/*
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* There is no longer a "vcpu" property, dstate can only be 1 or
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* 0. With it, we haven't instantiated any vCPU yet, so we will
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* set a global state instead, and trace_init_vcpu will reconcile
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* it afterwards.
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*/
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bool state_pre = *ev->dstate;
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if (state_pre != state) {
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if (state) {
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trace_events_enabled_count++;
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*ev->dstate = 1;
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} else {
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trace_events_enabled_count--;
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*ev->dstate = 0;
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}
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}
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}
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