文件操作 - stderr.py

文件: /usr/share/qemu-kvm/tracetool/backend/stderr.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Stderr built-in backend.
"""

__author__     = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__  = "Copyright 2012, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__    = "GPL version 2 or (at your option) any later version"

__maintainer__ = "Stefan Hajnoczi"
__email__      = "stefanha@linux.vnet.ibm.com"

from tracetool import out

PUBLIC = True

def c(events):
    pass

def h(events):
    out('#include <stdio.h>',
        '#include "trace/control.h"',
        '',
        )

for e in events:
        argnames = ", ".join(e.args.names())
        if len(e.args) > 0:
            argnames = ", " + argnames

out('static inline void trace_%(name)s(%(args)s)',
            '{',
            '    bool _state = trace_event_get_state(%(event_id)s);',
            '    if (_state) {',
            '        fprintf(stderr, "%(name)s " %(fmt)s "\\n" %(argnames)s);',
            '    }',
            '}',
            name = e.name,
            args = e.args,
            event_id = "TRACE_" + e.name.upper(),
            fmt = e.fmt.rstrip("\n"),
            argnames = argnames,
            )

文件操作 - stderr.py

文件: /usr/share/qemu-kvm/tracetool/backend/stderr.py

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