1# -*- coding: utf-8 -*- 2 3""" 4Syslog built-in backend. 5""" 6 7__author__ = "Paul Durrant <paul.durrant@citrix.com>" 8__copyright__ = "Copyright 2016, Citrix Systems Inc." 9__license__ = "GPL version 2 or (at your option) any later version" 10 11__maintainer__ = "Stefan Hajnoczi" 12__email__ = "stefanha@redhat.com" 13 14 15import os.path 16 17from tracetool import out 18 19 20PUBLIC = True 21 22 23def generate_h_begin(events, group): 24 out('#include <syslog.h>', 25 '') 26 27 28def generate_h(event, group): 29 argnames = ", ".join(event.args.names()) 30 if len(event.args) > 0: 31 argnames = ", " + argnames 32 33 if "vcpu" in event.properties: 34 # already checked on the generic format code 35 cond = "true" 36 else: 37 cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper()) 38 39 out(' if (%(cond)s) {', 40 '#line %(event_lineno)d "%(event_filename)s"', 41 ' syslog(LOG_INFO, "%(name)s " %(fmt)s %(argnames)s);', 42 '#line %(out_next_lineno)d "%(out_filename)s"', 43 ' }', 44 cond=cond, 45 event_lineno=event.lineno, 46 event_filename=os.path.relpath(event.filename), 47 name=event.name, 48 fmt=event.fmt.rstrip("\n"), 49 argnames=argnames) 50 51 52def generate_h_backend_dstate(event, group): 53 out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\', 54 event_id="TRACE_" + event.name.upper()) 55