qemu/scripts/tracetool/backend/syslog.py
Thomas De Schampheleire 9d672e2904 tracetool: use relative paths for '#line' preprocessor directives
The event filename is an absolute path. Convert it to a relative path when
writing '#line' directives, to preserve reproducibility of the generated
output when different base paths are used.

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230406080045.21696-1-thomas.de_schampheleire@nokia.com>
2023-04-24 13:53:44 -04:00

55 lines
1.4 KiB
Python

# -*- coding: utf-8 -*-
"""
Syslog built-in backend.
"""
__author__ = "Paul Durrant <paul.durrant@citrix.com>"
__copyright__ = "Copyright 2016, Citrix Systems Inc."
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@redhat.com"
import os.path
from tracetool import out
PUBLIC = True
def generate_h_begin(events, group):
out('#include <syslog.h>',
'')
def generate_h(event, group):
argnames = ", ".join(event.args.names())
if len(event.args) > 0:
argnames = ", " + argnames
if "vcpu" in event.properties:
# already checked on the generic format code
cond = "true"
else:
cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper())
out(' if (%(cond)s) {',
'#line %(event_lineno)d "%(event_filename)s"',
' syslog(LOG_INFO, "%(name)s " %(fmt)s %(argnames)s);',
'#line %(out_next_lineno)d "%(out_filename)s"',
' }',
cond=cond,
event_lineno=event.lineno,
event_filename=os.path.relpath(event.filename),
name=event.name,
fmt=event.fmt.rstrip("\n"),
argnames=argnames)
def generate_h_backend_dstate(event, group):
out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\',
event_id="TRACE_" + event.name.upper())