Add a backend that is the same as the log backend but omits the process id and timestamp so logs are easier to read and diff-able.
Signed-off-by: BALATON Zoltan <[email protected]> --- scripts/tracetool/backend/plainlog.py | 48 +++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 scripts/tracetool/backend/plainlog.py diff --git a/scripts/tracetool/backend/plainlog.py b/scripts/tracetool/backend/plainlog.py new file mode 100644 index 0000000000..40bbfa6d76 --- /dev/null +++ b/scripts/tracetool/backend/plainlog.py @@ -0,0 +1,48 @@ +# -*- coding: utf-8 -*- + +""" +Stderr built-in backend, plain log without proc ID and time. +""" + +__author__ = "LluÃs Vilanova <[email protected]>" +__copyright__ = "Copyright 2012-2017, LluÃs Vilanova <[email protected]>" +__license__ = "GPL version 2 or (at your option) any later version" + +__maintainer__ = "Stefan Hajnoczi" +__email__ = "[email protected]" + + +from tracetool import out + + +PUBLIC = True + + +def generate_h_begin(events, group): + out('#include "qemu/log-for-trace.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 && qemu_loglevel_mask(LOG_TRACE)) {', + ' qemu_log("%(name)s " %(fmt)s "\\n" %(argnames)s);', + ' }', + cond=cond, + 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()) -- 2.21.3
