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 15from tracetool import out 16 17 18PUBLIC = True 19 20 21def generate_h_begin(events, group): 22 out('#include <syslog.h>', 23 '') 24 25 26def generate_h(event, group): 27 argnames = ", ".join(event.args.names()) 28 if len(event.args) > 0: 29 argnames = ", " + argnames 30 31 if "vcpu" in event.properties: 32 # already checked on the generic format code 33 cond = "true" 34 else: 35 cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper()) 36 37 out(' if (%(cond)s) {', 38 '#line %(event_lineno)d "%(event_filename)s"', 39 ' syslog(LOG_INFO, "%(name)s " %(fmt)s %(argnames)s);', 40 '#line %(out_next_lineno)d "%(out_filename)s"', 41 ' }', 42 cond=cond, 43 event_lineno=event.lineno, 44 event_filename=event.filename, 45 name=event.name, 46 fmt=event.fmt.rstrip("\n"), 47 argnames=argnames) 48 49 50def generate_h_backend_dstate(event, group): 51 out(' trace_event_get_state_dynamic_by_id(%(event_id)s) || \\', 52 event_id="TRACE_" + event.name.upper()) 53