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#
# Copyright (c) 2020 Arm Limited.
#
# SPDX-License-Identifier: MIT
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
#
#!/usr/bin/env python
import re
import os
import sys
import argparse
import fnmatch
import logging
import json
import glob
logger = logging.getLogger("acl_tracing")
# Returns the files matching the given pattern
def find(path, pattern):
matches = []
for root, dirnames, filenames, in os.walk(path):
for filename in fnmatch.filter(filenames, pattern):
matches.append(os.path.join(root,filename))
return matches
# Returns the class name (Core or Runtime) and arguments of the given function
def get_class_and_args(function):
decl = " ".join(function_signature)
m = re.match("void ([^:]+)::configure\(([^)]*)\)", decl)
if m:
assert m, "Can't parse '%s'" % line
class_name = m.group(1)
args = m.group(2)
#Remove comments:
args = re.sub("\/\*.*?\*\/","",args)
#Remove templates
args = re.sub("<.*?>","",args)
logger.debug(args)
arg_names = []
for arg in args.split(","):
m = re.match(".*?([^ &*]+)$", arg.strip())
arg_names.append(m.group(1))
logger.debug(" %s" % m.group(1))
return (class_name, arg_names)
else:
return ('','')
# Adds the tracepoints to the source file for the given function
def do_insert_tracing(source, function, fd):
logger.debug("Full signature = %s" % " ".join(function_signature))
class_name, arg_names = get_class_and_args(function)
if len(arg_names):
assert len(arg_names), "No argument to configure for %s ?" % class_name
spaces = re.match("([ ]*)void", function[0]).group(1)
fd.write("%s CREATE_TRACEPOINT(%s, \"%s\", this, TracePoint::Args()" % (spaces, source, class_name))
for arg in arg_names:
fd.write("<<%s" % arg)
fd.write(");\n")
else:
print('Failed to get class name in %s ' % " ".join(function_signature))
if __name__ == "__main__":
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
description="Post process JSON benchmark files",
)
parser.add_argument("-D", "--debug", action='store_true', help="Enable script debugging output")
args = parser.parse_args()
logging_level = logging.INFO
if args.debug:
logging_level = logging.DEBUG
logging.basicConfig(level=logging_level)
logger.debug("Arguments passed: %s" % str(args.__dict__))
for f in find("src","*.cpp"):
logger.debug(f)
fd = open(f,'r+')
lines = fd.readlines()
contains_configure = False
for line in lines:
if re.search(r"void.*::configure\(",line):
contains_configure = True
break
if not contains_configure:
continue
fd.seek(0)
fd.truncate()
function_signature = None
insert_tracing = False
start = True
for line in lines:
write = True
if start:
if not (line.startswith("/*") or line.startswith(" *") or line.startswith("#") or len(line.strip()) == 0):
start = False
fd.write("#include \"arm_compute/core/TracePoint.h\"\n")
elif not function_signature:
if re.search(r"void.*::configure\(",line):
function_signature = [ line.rstrip() ]
else:
if re.search("[ ]*{$", line):
insert_tracing = True
else:
function_signature.append(line.rstrip())
if write:
fd.write(line)
if insert_tracing:
if "/core/" in f:
source = "TracePoint::Layer::CORE"
elif "/runtime/" in f:
source = "TracePoint::Layer::RUNTIME"
else:
assert "Can't find layer for file %s" %f
do_insert_tracing(source, function_signature, fd)
insert_tracing = False
function_signature = None
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