20b92da6db
The "-*- coding: utf-8 -*-" header was needed in Python 2, but in Python 3 UTF-8 is already the default encoding of source files. It is even less necessary in .css files that do not have UTF-8 sequences at all. Suggested-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-ID: <20250929154938.594389-4-pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
70 lines
1.8 KiB
Python
70 lines
1.8 KiB
Python
"""
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DTrace/SystemTAP backend.
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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@redhat.com"
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from tracetool import out
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PUBLIC = True
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PROBEPREFIX = None
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def probeprefix():
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if PROBEPREFIX is None:
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raise ValueError("you must set PROBEPREFIX")
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return PROBEPREFIX
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BINARY = None
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def binary():
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if BINARY is None:
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raise ValueError("you must set BINARY")
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return BINARY
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def generate_h_begin(events, group):
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if group == "root":
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header = "trace-dtrace-root.h"
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else:
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header = "trace-dtrace-%s.h" % group
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# Workaround for ust backend, which also includes <sys/sdt.h> and may
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# require SDT_USE_VARIADIC to be defined. If dtrace includes <sys/sdt.h>
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# first without defining SDT_USE_VARIADIC then ust breaks because the
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# STAP_PROBEV() macro is not defined.
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out('#ifndef SDT_USE_VARIADIC')
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out('#define SDT_USE_VARIADIC 1')
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out('#endif')
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out('#include "%s"' % header,
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'')
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out('#undef SDT_USE_VARIADIC')
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# SystemTap defines <provider>_<name>_ENABLED() but other DTrace
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# implementations might not.
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for e in events:
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out('#ifndef QEMU_%(uppername)s_ENABLED',
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'#define QEMU_%(uppername)s_ENABLED() true',
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'#endif',
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uppername=e.name.upper())
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def generate_h(event, group):
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out(' QEMU_%(uppername)s(%(argnames)s);',
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uppername=event.name.upper(),
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argnames=", ".join(event.args.names()))
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def generate_h_backend_dstate(event, group):
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out(' QEMU_%(uppername)s_ENABLED() || \\',
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uppername=event.name.upper())
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