diff options
Diffstat (limited to 'examples/python/gdbremote.py')
| -rwxr-xr-x | examples/python/gdbremote.py | 190 |
1 files changed, 131 insertions, 59 deletions
diff --git a/examples/python/gdbremote.py b/examples/python/gdbremote.py index a6ff3f5978e47..4ca8a1b82e84b 100755 --- a/examples/python/gdbremote.py +++ b/examples/python/gdbremote.py @@ -685,32 +685,33 @@ def rsp_qXfer(options, cmd, cmd_args, rsp): if extension == '.xml': response = Packet(rsp) xml_string = response.get_hex_ascii_str() - ch = xml_string[0] - if ch == 'l': - xml_string = xml_string[1:] - xml_root = ET.fromstring(xml_string) - for reg_element in xml_root.findall("./feature/reg"): - if not 'value_regnums' in reg_element.attrib: - reg_info = RegisterInfo([]) - if 'name' in reg_element.attrib: - reg_info.info[ - 'name'] = reg_element.attrib['name'] - else: - reg_info.info['name'] = 'unspecified' - if 'encoding' in reg_element.attrib: - reg_info.info['encoding'] = reg_element.attrib[ - 'encoding'] - else: - reg_info.info['encoding'] = 'uint' - if 'offset' in reg_element.attrib: - reg_info.info[ - 'offset'] = reg_element.attrib['offset'] - if 'bitsize' in reg_element.attrib: - reg_info.info[ - 'bitsize'] = reg_element.attrib['bitsize'] - g_register_infos.append(reg_info) - print 'XML for "%s":' % (data[2]) - ET.dump(xml_root) + if xml_string: + ch = xml_string[0] + if ch == 'l': + xml_string = xml_string[1:] + xml_root = ET.fromstring(xml_string) + for reg_element in xml_root.findall("./feature/reg"): + if not 'value_regnums' in reg_element.attrib: + reg_info = RegisterInfo([]) + if 'name' in reg_element.attrib: + reg_info.info[ + 'name'] = reg_element.attrib['name'] + else: + reg_info.info['name'] = 'unspecified' + if 'encoding' in reg_element.attrib: + reg_info.info['encoding'] = reg_element.attrib[ + 'encoding'] + else: + reg_info.info['encoding'] = 'uint' + if 'offset' in reg_element.attrib: + reg_info.info[ + 'offset'] = reg_element.attrib['offset'] + if 'bitsize' in reg_element.attrib: + reg_info.info[ + 'bitsize'] = reg_element.attrib['bitsize'] + g_register_infos.append(reg_info) + print 'XML for "%s":' % (data[2]) + ET.dump(xml_root) def cmd_A(options, cmd, args): @@ -810,6 +811,14 @@ def cmd_s(options, cmd, args): return False +def cmd_qSpeedTest(options, cmd, args): + print("qSpeedTest: cmd='%s', args='%s'" % (cmd, args)) + + +def rsp_qSpeedTest(options, cmd, cmd_args, rsp): + print("qSpeedTest: rsp='%s' cmd='%s', args='%s'" % (rsp, cmd, args)) + + def cmd_vCont(options, cmd, args): if args == '?': print "%s: get supported extended continue modes" % (cmd) @@ -861,8 +870,10 @@ def rsp_vCont(options, cmd, cmd_args, rsp): s += 'step' elif mode == 'S': s += 'step with signal' - else: - s += 'unrecognized vCont mode: ', mode + elif mode == 't': + s += 'stop' + # else: + # s += 'unrecognized vCont mode: ', str(mode) print s elif rsp: if rsp[0] == 'T' or rsp[0] == 'S' or rsp[0] == 'W' or rsp[0] == 'X': @@ -933,7 +944,7 @@ def rsp_qThreadInfo(options, cmd, cmd_args, rsp): def rsp_hex_big_endian(options, cmd, cmd_args, rsp): if rsp == '': print "%s%s is not supported" % (cmd, cmd_args) - else: + else: packet = Packet(rsp) uval = packet.get_hex_uint('big') print '%s: 0x%x' % (cmd, uval) @@ -1225,6 +1236,7 @@ gdb_remote_commands = { 'qHostInfo': {'cmd': cmd_query_packet, 'rsp': rsp_dump_key_value_pairs, 'name': "get host information"}, 'qC': {'cmd': cmd_qC, 'rsp': rsp_qC, 'name': "return the current thread ID"}, 'vCont': {'cmd': cmd_vCont, 'rsp': rsp_vCont, 'name': "extended continue command"}, + 'qSpeedTest': {'cmd':cmd_qSpeedTest, 'rsp': rsp_qSpeedTest, 'name': 'speed test packdet'}, 'vAttach': {'cmd': cmd_vAttach, 'rsp': rsp_stop_reply, 'name': "attach to process"}, 'c': {'cmd': cmd_c, 'rsp': rsp_stop_reply, 'name': "continue"}, 's': {'cmd': cmd_s, 'rsp': rsp_stop_reply, 'name': "step"}, @@ -1283,6 +1295,49 @@ def parse_gdb_log_file(path, options): f.close() +def round_up(n, incr): + return float(((int(n) + incr) / incr) * incr) + + +def plot_latencies(sec_times): + # import numpy as np + import matplotlib.pyplot as plt + + for (i, name) in enumerate(sec_times.keys()): + times = sec_times[name] + if len(times) <= 1: + continue + plt.subplot(2, 1, 1) + plt.title('Packet "%s" Times' % (name)) + plt.xlabel('Packet') + units = 'ms' + adj_times = [] + max_time = 0.0 + for time in times: + time = time * 1000.0 + adj_times.append(time) + if time > max_time: + max_time = time + if max_time < 1.0: + units = 'us' + max_time = 0.0 + for i in range(len(adj_times)): + adj_times[i] *= 1000.0 + if adj_times[i] > max_time: + max_time = adj_times[i] + plt.ylabel('Time (%s)' % (units)) + max_y = None + for i in [5.0, 10.0, 25.0, 50.0]: + if max_time < i: + max_y = round_up(max_time, i) + break + if max_y is None: + max_y = round_up(max_time, 100.0) + plt.ylim(0.0, max_y) + plt.plot(adj_times, 'o-') + plt.show() + + def parse_gdb_log(file, options): '''Parse a GDB log file that was generated by enabling logging with: (lldb) log enable --threadsafe --timestamp --file <FILE> gdb-remote packets @@ -1306,10 +1361,11 @@ def parse_gdb_log(file, options): base_time = 0.0 last_time = 0.0 - packet_send_time = 0.0 + min_time = 100000000.0 packet_total_times = {} - packet_times = [] - packet_count = {} + all_packet_times = [] + packet_times = {} + packet_counts = {} lines = file.read().splitlines() last_command = None last_command_args = None @@ -1412,32 +1468,39 @@ def parse_gdb_log(file, options): curr_time = float(match.group(2)) if last_time and not is_command: delta = curr_time - last_time - packet_times.append(delta) + all_packet_times.append(delta) delta = 0.0 if base_time: delta = curr_time - last_time else: base_time = curr_time - if is_command: - packet_send_time = curr_time - elif line.find('read packet: $') >= 0 and packet_name: - if packet_name in packet_total_times: - packet_total_times[packet_name] += delta - packet_count[packet_name] += 1 - else: - packet_total_times[packet_name] = delta - packet_count[packet_name] = 1 - packet_name = None + if not is_command: + if line.find('read packet: $') >= 0 and packet_name: + if packet_name in packet_total_times: + packet_total_times[packet_name] += delta + packet_counts[packet_name] += 1 + else: + packet_total_times[packet_name] = delta + packet_counts[packet_name] = 1 + if packet_name not in packet_times: + packet_times[packet_name] = [] + packet_times[packet_name].append(delta) + packet_name = None + if min_time > delta: + min_time = delta if not options or not options.quiet: - print '%s%.6f %+.6f%s' % (match.group(1), curr_time - base_time, delta, match.group(3)) + print '%s%.6f %+.6f%s' % (match.group(1), + curr_time - base_time, + delta, + match.group(3)) last_time = curr_time # else: # print line - (average, std_dev) = calculate_mean_and_standard_deviation(packet_times) + (average, std_dev) = calculate_mean_and_standard_deviation(all_packet_times) if average and std_dev: - print '%u packets with average packet time of %f and standard deviation of %f' % (len(packet_times), average, std_dev) + print '%u packets with average packet time of %f and standard deviation of %f' % (len(all_packet_times), average, std_dev) if packet_total_times: total_packet_time = 0.0 total_packet_count = 0 @@ -1446,19 +1509,21 @@ def parse_gdb_log(file, options): # print 'value = (%s) %s' % (type(vvv), vvv) # if type(vvv) == 'float': total_packet_time += vvv - for key, vvv in packet_count.items(): + for key, vvv in packet_counts.items(): total_packet_count += vvv - print '#---------------------------------------------------' + print '#------------------------------------------------------------' print '# Packet timing summary:' - print '# Totals: time = %6f, count = %6d' % (total_packet_time, total_packet_count) - print '#---------------------------------------------------' - print '# Packet Time (sec) Percent Count ' - print '#------------------------- ---------- ------- ------' + print '# Totals: time = %6f, count = %6d' % (total_packet_time, + total_packet_count) + print '# Min packet time: time = %6f' % (min_time) + print '#------------------------------------------------------------' + print '# Packet Time (sec) Percent Count Latency' + print '#------------------------- ----------- ------- ------ -------' if options and options.sort_count: res = sorted( - packet_count, - key=packet_count.__getitem__, + packet_counts, + key=packet_counts.__getitem__, reverse=True) else: res = sorted( @@ -1471,11 +1536,12 @@ def parse_gdb_log(file, options): packet_total_time = packet_total_times[item] packet_percent = ( packet_total_time / total_packet_time) * 100.0 - if packet_percent >= 10.0: - print " %24s %.6f %.2f%% %6d" % (item, packet_total_time, packet_percent, packet_count[item]) - else: - print " %24s %.6f %.2f%% %6d" % (item, packet_total_time, packet_percent, packet_count[item]) - + packet_count = packet_counts[item] + print " %24s %11.6f %5.2f%% %6d %9.6f" % ( + item, packet_total_time, packet_percent, packet_count, + float(packet_total_time) / float(packet_count)) + if options.plot: + plot_latencies(packet_times) if __name__ == '__main__': usage = "usage: gdbremote [options]" @@ -1492,6 +1558,12 @@ if __name__ == '__main__': help='display verbose debug info', default=False) parser.add_option( + '--plot', + action='store_true', + dest='plot', + help='plot packet latencies by packet type', + default=False) + parser.add_option( '-q', '--quiet', action='store_true', |