forked from OSchip/llvm-project
Fix this module to work with current packects and also to be able to figure out average packets speed and standard deviation.
llvm-svn: 238065
This commit is contained in:
Greg Clayton
parent
9d084a7ebb
commit
25f82aae57
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@ -17,6 +17,7 @@
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#----------------------------------------------------------------------
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import commands
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import math
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import optparse
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import os
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import re
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@ -436,10 +437,11 @@ class Packet:
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def get_key_value_pairs(self):
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kvp = list()
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key_value_pairs = string.split(self.str, ';')
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for key_value_pair in key_value_pairs:
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if len(key_value_pair):
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kvp.append(string.split(key_value_pair, ':'))
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if ';' in self.str:
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key_value_pairs = string.split(self.str, ';')
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for key_value_pair in key_value_pairs:
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if len(key_value_pair):
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kvp.append(string.split(key_value_pair, ':'))
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return kvp
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def split(self, ch):
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@ -528,6 +530,7 @@ def rsp_dump_key_value_pairs(options, cmd, cmd_args, rsp):
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packet = Packet(rsp)
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key_value_pairs = packet.get_key_value_pairs()
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for key_value_pair in key_value_pairs:
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print key_value_pair
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key = key_value_pair[0]
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value = key_value_pair[1]
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print " %s = %s" % (key, value)
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@ -835,6 +838,7 @@ gdb_remote_commands = {
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'QStartNoAckMode' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_ok_means_supported , 'name' : "query if no ack mode is supported"},
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'QThreadSuffixSupported' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_ok_means_supported , 'name' : "query if thread suffix is supported" },
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'QListThreadsInStopReply' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_ok_means_supported , 'name' : "query if threads in stop reply packets are supported" },
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'QSetDetachOnError' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_ok_means_supported , 'name' : "query if we should detach on error" },
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'qVAttachOrWaitSupported' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_ok_means_supported , 'name' : "query if threads attach with optional wait is supported" },
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'qHostInfo' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_dump_key_value_pairs, 'name' : "get host information" },
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'vCont' : { 'cmd' : cmd_vCont , 'rsp' : rsp_vCont , 'name' : "extended continue command" },
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@ -844,6 +848,8 @@ gdb_remote_commands = {
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'qsThreadInfo' : { 'cmd' : cmd_qThreadInfo , 'rsp' : rsp_qThreadInfo , 'name' : "get current thread list" },
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'qShlibInfoAddr' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_hex_big_endian , 'name' : "get shared library info address" },
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'qMemoryRegionInfo' : { 'cmd' : cmd_mem_rgn_info , 'rsp' : rsp_dump_key_value_pairs, 'name' : "get memory region information" },
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'qProcessInfo' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_dump_key_value_pairs, 'name' : "get process info" },
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'qSupported' : { 'cmd' : cmd_query_packet , 'rsp' : rsp_ok_means_supported , 'name' : "query supported" },
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'm' : { 'cmd' : cmd_read_memory , 'rsp' : rsp_memory_bytes , 'name' : "read memory" },
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'M' : { 'cmd' : cmd_write_memory , 'rsp' : rsp_ok_means_success , 'name' : "write memory" },
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'_M' : { 'cmd' : cmd_alloc_memory , 'rsp' : rsp_alloc_memory , 'name' : "allocate memory" },
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@ -856,6 +862,21 @@ gdb_remote_commands = {
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'Z' : { 'cmd' : cmd_bp , 'rsp' : rsp_ok_means_success , 'name' : "set breakpoint or watchpoint" },
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'k' : { 'cmd' : cmd_kill , 'rsp' : rsp_stop_reply , 'name' : "kill process" },
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}
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def calculate_mean_and_standard_deviation(floats):
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sum = 0.0
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count = len(floats)
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for f in floats:
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sum += f
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mean = sum / count
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accum = 0.0
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for f in floats:
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delta = f - mean
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accum += delta * delta
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std_dev = math.sqrt(accum / (count-1));
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return (mean, std_dev)
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def parse_gdb_log_file(file, options):
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'''Parse a GDB log file that was generated by enabling logging with:
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(lldb) log enable --threadsafe --timestamp --file <FILE> gdb-remote packets
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@ -878,6 +899,7 @@ def parse_gdb_log_file(file, options):
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last_time = 0.0
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packet_send_time = 0.0
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packet_total_times = {}
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packet_times = []
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packet_count = {}
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file = open(file)
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lines = file.read().splitlines()
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@ -885,29 +907,26 @@ def parse_gdb_log_file(file, options):
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last_command_args = None
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last_command_packet = None
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for line in lines:
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packet_name = None
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m = packet_transmit_name_regex.search(line)
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is_command = False
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direction = None
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if m:
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direction = m.group('direction')
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is_command = direction == 'send'
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packet = m.group('packet')
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sys.stdout.write(options.colors.green())
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if options.quiet:
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if is_command:
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print '-->', packet
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else:
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print '<--', packet
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else:
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if not options.quiet:
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print '# ', line
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sys.stdout.write(options.colors.reset())
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#print 'direction = "%s", packet = "%s"' % (direction, packet)
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if packet[0] == '+':
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print 'ACK'
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if not options.quiet: print 'ACK'
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continue
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elif packet[0] == '-':
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print 'NACK'
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if not options.quiet: print 'NACK'
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continue
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elif packet[0] == '$':
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m = packet_contents_name_regex.match(packet)
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if m:
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@ -921,7 +940,7 @@ def parse_gdb_log_file(file, options):
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last_command_packet = contents
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gdb_remote_commands[last_command]['cmd'](options, last_command, last_command_args)
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else:
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packet_match = packet_name_regex.match (line[idx+14:])
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packet_match = packet_name_regex.match (contents)
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if packet_match:
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packet_name = packet_match.group(1)
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for tricky_cmd in tricky_commands:
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@ -943,6 +962,9 @@ def parse_gdb_log_file(file, options):
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match = timestamp_regex.match (line)
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if match:
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curr_time = float (match.group(2))
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if last_time and not is_command:
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delta = curr_time - last_time
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packet_times.append(delta)
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delta = 0.0
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if base_time:
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delta = curr_time - last_time
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@ -965,6 +987,8 @@ def parse_gdb_log_file(file, options):
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last_time = curr_time
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# else:
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# print line
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(average, std_dev) = calculate_mean_and_standard_deviation(packet_times)
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print '%u packets with average packet time of %f and standard deviation of %f' % (len(packet_times), average, std_dev)
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if packet_total_times:
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total_packet_time = 0.0
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total_packet_count = 0
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@ -978,7 +1002,7 @@ def parse_gdb_log_file(file, options):
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print '#---------------------------------------------------'
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print '# Packet timing summary:'
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print '# Totals: time - %6f count %6d' % (total_packet_time, total_packet_count)
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print '# Totals: time = %6f, count = %6d' % (total_packet_time, total_packet_count)
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print '#---------------------------------------------------'
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print '# Packet Time (sec) Percent Count '
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print '#------------------------- ---------- ------- ------'
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