From: Lluís Vilanova <vilan...@ac.upc.edu>
Signed-off-by: Lluís Vilanova <vilan...@ac.upc.edu>
Signed-off-by: Harsh Prateek Bora <ha...@linux.vnet.ibm.com>
---
scripts/tracetool.py | 50 +++++++++++++++++---------------------------------
1 files changed, 17 insertions(+), 33 deletions(-)
diff --git a/scripts/tracetool.py b/scripts/tracetool.py
index 274fa70..84003f5 100755
--- a/scripts/tracetool.py
+++ b/scripts/tracetool.py
@@ -10,6 +10,7 @@
import sys
import getopt
+import re
def usage():
print "Tracetool: Generate tracing code for trace events file on stdin"
@@ -38,25 +39,14 @@ Options:
'''
sys.exit(1)
-def get_name(line, sep='('):
- head, sep, tail = line.partition(sep)
- property, sep, name = head.rpartition(' ')
- return name
-
def get_properties(line, sep='('):
head, sep, tail = line.partition(sep)
property, sep, name = head.rpartition(' ')
return property.split()
-def get_args(line, sep1='(', sep2=')'):
- head, sep1, tail = line.partition(sep1)
- args, sep2, fmt_str = tail.partition(sep2)
- return args
-
-def get_argnames(line, sep=','):
+def get_argnames(args):
nfields = 0
str = []
- args = get_args(line)
for field in args.split():
nfields = nfields + 1
# Drop pointer star
@@ -77,21 +67,7 @@ def get_argnames(line, sep=','):
else:
return ''
-def get_argc(line):
- argc = 0
- argnames = get_argnames(line)
- if argnames:
- for name in argnames.split(','):
- argc = argc + 1
- return argc
-
-def get_fmt(line, sep=')'):
- event, sep, fmt = line.partition(sep)
- return fmt.rstrip('\n')
-
-def calc_sizeofargs(line):
- args = get_args(line)
- argc = get_argc(line)
+def calc_sizeofargs(args, argc):
str = []
newstr = ""
if argc > 0:
@@ -419,16 +395,24 @@ trace_gen = {
}
# A trace event
+cre = re.compile("(?P<name>[^(\s]+)\((?P<args>[^)]*)\)\s*(?P<fmt>\".*)?")
+
class Event(object):
def __init__(self, num, line):
self.num = num
- self.args = get_args(line)
+ m = cre.match(line)
+ assert m is not None
+ groups = m.groupdict('')
+ self.args = groups["args"]
self.arglist = self.args.split(',')
- self.name = get_name(line)
- self.argc = get_argc(line)
- self.argnames = get_argnames(line)
- self.sizestr = calc_sizeofargs(line)
- self.fmt = get_fmt(line)
+ self.name = groups["name"]
+ if len(self.arglist) == 1 and self.arglist[0] == "void":
+ self.argc = 0
+ else:
+ self.argc = len(self.arglist)
+ self.argnames = get_argnames(self.args)
+ self.sizestr = calc_sizeofargs(self.args, self.argc)
+ self.fmt = groups["fmt"]
self.properties = get_properties(line)
# Generator that yields Event objects given a trace-events file object
--
1.7.1.1
