summaryrefslogtreecommitdiffstats
path: root/qemu/scripts/tracetool/backend/ftrace.py
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/scripts/tracetool/backend/ftrace.py')
-rw-r--r--qemu/scripts/tracetool/backend/ftrace.py48
1 files changed, 0 insertions, 48 deletions
diff --git a/qemu/scripts/tracetool/backend/ftrace.py b/qemu/scripts/tracetool/backend/ftrace.py
deleted file mode 100644
index d798c7134..000000000
--- a/qemu/scripts/tracetool/backend/ftrace.py
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-Ftrace built-in backend.
-"""
-
-__author__ = "Eiichi Tsukata <eiichi.tsukata.xh@hitachi.com>"
-__copyright__ = "Copyright (C) 2013 Hitachi, Ltd."
-__license__ = "GPL version 2 or (at your option) any later version"
-
-__maintainer__ = "Stefan Hajnoczi"
-__email__ = "stefanha@redhat.com"
-
-
-from tracetool import out
-
-
-PUBLIC = True
-
-
-def generate_h_begin(events):
- out('#include "trace/ftrace.h"',
- '#include "trace/control.h"',
- '')
-
-
-def generate_h(event):
- argnames = ", ".join(event.args.names())
- if len(event.args) > 0:
- argnames = ", " + argnames
-
- out(' {',
- ' char ftrace_buf[MAX_TRACE_STRLEN];',
- ' int unused __attribute__ ((unused));',
- ' int trlen;',
- ' if (trace_event_get_state(%(event_id)s)) {',
- ' trlen = snprintf(ftrace_buf, MAX_TRACE_STRLEN,',
- ' "%(name)s " %(fmt)s "\\n" %(argnames)s);',
- ' trlen = MIN(trlen, MAX_TRACE_STRLEN - 1);',
- ' unused = write(trace_marker_fd, ftrace_buf, trlen);',
- ' }',
- ' }',
- name=event.name,
- args=event.args,
- event_id="TRACE_" + event.name.upper(),
- fmt=event.fmt.rstrip("\n"),
- argnames=argnames)