Patch created mechanically by running:
  $ chmod 644 $(git grep -lF '#!/usr/bin/env python' \
      | xargs grep -L 'if __name__.*__main__')
  $ sed -i "/^#\!\/usr\/bin\/\(env\ \)\?python.\?$/d" \
      $(git grep -lF '#!/usr/bin/env python' \
      | xargs grep -L 'if __name__.*__main__')
Reported-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200130163232.10446-9-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
		
	
			
		
			
				
	
	
		
			104 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# -*- coding: utf-8 -*-
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"""
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trace/generated-tracers.h
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"""
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__author__     = "Lluís Vilanova <vilanova@ac.upc.edu>"
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__copyright__  = "Copyright 2012-2017, Lluís Vilanova <vilanova@ac.upc.edu>"
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__license__    = "GPL version 2 or (at your option) any later version"
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__maintainer__ = "Stefan Hajnoczi"
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__email__      = "stefanha@linux.vnet.ibm.com"
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from tracetool import out
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def generate(events, backend, group):
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    if group == "root":
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        header = "trace/control-vcpu.h"
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    else:
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        header = "trace/control.h"
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    out('/* This file is autogenerated by tracetool, do not edit. */',
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        '',
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        '#ifndef TRACE_%s_GENERATED_TRACERS_H' % group.upper(),
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        '#define TRACE_%s_GENERATED_TRACERS_H' % group.upper(),
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        '',
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        '#include "%s"' % header,
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        '')
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    for e in events:
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        out('extern TraceEvent %(event)s;',
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            event = e.api(e.QEMU_EVENT))
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    for e in events:
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        out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE))
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    # static state
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    for e in events:
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        if 'disable' in e.properties:
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            enabled = 0
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        else:
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            enabled = 1
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        if "tcg-exec" in e.properties:
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            # a single define for the two "sub-events"
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            out('#define TRACE_%(name)s_ENABLED %(enabled)d',
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                name=e.original.name.upper(),
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                enabled=enabled)
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        out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
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    backend.generate_begin(events, group)
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    for e in events:
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        # tracer-specific dstate
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        out('',
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            '#define %(api)s() ( \\',
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            api=e.api(e.QEMU_BACKEND_DSTATE))
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        if "disable" not in e.properties:
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            backend.generate_backend_dstate(e, group)
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        out('    false)')
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        # tracer without checks
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        out('',
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            'static inline void %(api)s(%(args)s)',
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            '{',
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            api=e.api(e.QEMU_TRACE_NOCHECK),
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            args=e.args)
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        if "disable" not in e.properties:
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            backend.generate(e, group)
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        out('}')
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        # tracer wrapper with checks (per-vCPU tracing)
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        if "vcpu" in e.properties:
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            trace_cpu = next(iter(e.args))[1]
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            cond = "trace_event_get_vcpu_state(%(cpu)s,"\
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                   " TRACE_%(id)s)"\
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                   % dict(
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                       cpu=trace_cpu,
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                       id=e.name.upper())
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        else:
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            cond = "true"
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        out('',
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            'static inline void %(api)s(%(args)s)',
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            '{',
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            '    if (%(cond)s) {',
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            '        %(api_nocheck)s(%(names)s);',
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            '    }',
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            '}',
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            api=e.api(),
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            api_nocheck=e.api(e.QEMU_TRACE_NOCHECK),
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            args=e.args,
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            names=", ".join(e.args.names()),
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            cond=cond)
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    backend.generate_end(events, group)
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    out('#endif /* TRACE_%s_GENERATED_TRACERS_H */' % group.upper())
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