[PATCH v3 4/7] perf scripts python cs-etm: Update to use argparse

[James Clark <james.clark@linaro.org>]

optparse is deprecated and less flexible than argparse so update it.

Reviewed-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: James Clark <james.clark@linaro.org>
---
 .../scripts/python/arm-cs-trace-disasm.py     | 28 +++++++------------
 1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/tools/perf/scripts/python/arm-cs-trace-disasm.py b/tools/perf/scripts/python/arm-cs-trace-disasm.py
index 7aff02d84ffb..45f682a8b34d 100755
--- a/tools/perf/scripts/python/arm-cs-trace-disasm.py
+++ b/tools/perf/scripts/python/arm-cs-trace-disasm.py
@@ -11,7 +11,7 @@ import os
 from os import path
 import re
 from subprocess import *
-from optparse import OptionParser, make_option
+import argparse
 
 from perf_trace_context import perf_set_itrace_options, \
 	perf_sample_insn, perf_sample_srccode
@@ -28,19 +28,11 @@ from perf_trace_context import perf_set_itrace_options, \
 #  perf script -s scripts/python/arm-cs-trace-disasm.py
 
 # Command line parsing.
-option_list = [
-	# formatting options for the bottom entry of the stack
-	make_option("-k", "--vmlinux", dest="vmlinux_name",
-		    help="Set path to vmlinux file"),
-	make_option("-d", "--objdump", dest="objdump_name",
-		    help="Set path to objdump executable file"),
-	make_option("-v", "--verbose", dest="verbose",
-		    action="store_true", default=False,
-		    help="Enable debugging log")
-]
-
-parser = OptionParser(option_list=option_list)
-(options, args) = parser.parse_args()
+args = argparse.ArgumentParser()
+args.add_argument("-k", "--vmlinux", help="Set path to vmlinux file")
+args.add_argument("-d", "--objdump", help="Set path to objdump executable file"),
+args.add_argument("-v", "--verbose", action="store_true", help="Enable debugging log")
+options = args.parse_args()
 
 # Initialize global dicts and regular expression
 disasm_cache = dict()
@@ -65,8 +57,8 @@ def get_offset(perf_dict, field):
 
 def get_dso_file_path(dso_name, dso_build_id):
 	if (dso_name == "[kernel.kallsyms]" or dso_name == "vmlinux"):
-		if (options.vmlinux_name):
-			return options.vmlinux_name;
+		if (options.vmlinux):
+			return options.vmlinux;
 		else:
 			return dso_name
 
@@ -92,7 +84,7 @@ def read_disam(dso_fname, dso_start, start_addr, stop_addr):
 	else:
 		start_addr = start_addr - dso_start;
 		stop_addr = stop_addr - dso_start;
-		disasm = [ options.objdump_name, "-d", "-z",
+		disasm = [ options.objdump, "-d", "-z",
 			   "--start-address="+format(start_addr,"#x"),
 			   "--stop-address="+format(stop_addr,"#x") ]
 		disasm += [ dso_fname ]
@@ -256,7 +248,7 @@ def process_event(param_dict):
 		print("Stop address 0x%x is out of range [ 0x%x .. 0x%x ] for dso %s" % (stop_addr, int(dso_start), int(dso_end), dso))
 		return
 
-	if (options.objdump_name != None):
+	if (options.objdump != None):
 		# It doesn't need to decrease virtual memory offset for disassembly
 		# for kernel dso and executable file dso, so in this case we set
 		# vm_start to zero.
-- 
2.34.1