418ed14268
Timestamps in tracing output can be distracting. Make it possible to control tid/timestamp printing with -msg timestamp=on|off. The default is no tid/timestamps. Previously they were always printed. Suggested-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210125113507.224287-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Stderr built-in 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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def generate_h_begin(events, group):
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out('#include "qemu/log-for-trace.h"',
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'#include "qemu/error-report.h"',
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'')
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def generate_h(event, group):
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argnames = ", ".join(event.args.names())
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if len(event.args) > 0:
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argnames = ", " + argnames
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if "vcpu" in event.properties:
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# already checked on the generic format code
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cond = "true"
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else:
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cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper())
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out(' if (%(cond)s && qemu_loglevel_mask(LOG_TRACE)) {',
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' if (message_with_timestamp) {',
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' struct timeval _now;',
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' gettimeofday(&_now, NULL);',
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'#line %(event_lineno)d "%(event_filename)s"',
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' qemu_log("%%d@%%zu.%%06zu:%(name)s " %(fmt)s "\\n",',
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' qemu_get_thread_id(),',
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' (size_t)_now.tv_sec, (size_t)_now.tv_usec',
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' %(argnames)s);',
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'#line %(out_next_lineno)d "%(out_filename)s"',
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' } else {',
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'#line %(event_lineno)d "%(event_filename)s"',
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' qemu_log("%(name)s " %(fmt)s "\\n"%(argnames)s);',
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'#line %(out_next_lineno)d "%(out_filename)s"',
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' }',
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' }',
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cond=cond,
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event_lineno=event.lineno,
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event_filename=event.filename,
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name=event.name,
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fmt=event.fmt.rstrip("\n"),
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argnames=argnames)
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def generate_h_backend_dstate(event, group):
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out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\',
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event_id="TRACE_" + event.name.upper())
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