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author | Olivier Martin <olivier.martin@arm.com> | 2014-06-03 16:35:32 +0000 |
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committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-06-03 16:35:32 +0000 |
commit | 8b7f930a14d1d5480b707b60323e95450e7361c1 (patch) | |
tree | 12c1b9f848dde02646c7b7885bc3762550888520 | |
parent | 451b665890f69244f213d7aba4450394a21bc60c (diff) | |
download | edk2-8b7f930a14d1d5480b707b60323e95450e7361c1.tar.gz edk2-8b7f930a14d1d5480b707b60323e95450e7361c1.tar.bz2 edk2-8b7f930a14d1d5480b707b60323e95450e7361c1.zip |
ArmPlatformPkg/Ds5: Added script to profile EDK2 with ARM DSTREAM
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15550 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r-- | ArmPlatformPkg/Scripts/Ds5/profile.py | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/ArmPlatformPkg/Scripts/Ds5/profile.py b/ArmPlatformPkg/Scripts/Ds5/profile.py new file mode 100644 index 0000000000..c595dac717 --- /dev/null +++ b/ArmPlatformPkg/Scripts/Ds5/profile.py @@ -0,0 +1,316 @@ +#!/usr/bin/python + +# +# Copyright (c) 2014, ARM Limited. All rights reserved. +# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# + +import getopt +import operator +import os +import pickle +import sys +from sys import argv +from cStringIO import StringIO + +modules = {} +functions = {} +functions_addr = {} + +def usage(): + print "-t,--trace: Location of the Trace file" + print "-s,--symbols: Location of the symbols and modules" + +def get_module_from_addr(modules, addr): + for key,value in modules.items(): + if (value['start'] <= addr) and (addr <= value['end']): + return key + return None + +def add_cycles_to_function(functions, func_name, addr, cycles): + if func_name != "<Unknown>": + # Check if we are still in the previous function + if add_cycles_to_function.prev_func_name == func_name: + add_cycles_to_function.prev_entry['cycles'] += cycles + return (add_cycles_to_function.prev_func_name, add_cycles_to_function.prev_module_name) + + if func_name in functions.keys(): + for module_name, module_value in functions[func_name].iteritems(): + if (module_value['start'] <= addr) and (addr < module_value['end']): + module_value['cycles'] += cycles + + add_cycles_to_function.prev_func_name = func_name + add_cycles_to_function.prev_module_name = module_name + add_cycles_to_function.prev_entry = module_value + return (func_name, module_name) + elif (module_value['end'] == 0): + module_value['cycles'] += cycles + + add_cycles_to_function.prev_func_name = func_name + add_cycles_to_function.prev_module_name = module_name + add_cycles_to_function.prev_entry = module_value + return (func_name, module_name) + + # Workaround to fix the 'info func' limitation that does not expose the 'static' function + module_name = get_module_from_addr(modules, addr) + functions[func_name] = {} + functions[func_name][module_name] = {} + functions[func_name][module_name]['start'] = 0 + functions[func_name][module_name]['end'] = 0 + functions[func_name][module_name]['cycles'] = cycles + functions[func_name][module_name]['count'] = 0 + + add_cycles_to_function.prev_func_name = func_name + add_cycles_to_function.prev_module_name = module_name + add_cycles_to_function.prev_entry = functions[func_name][module_name] + return (func_name, module_name) + else: + # Check if we are still in the previous function + if (add_cycles_to_function.prev_entry is not None) and (add_cycles_to_function.prev_entry['start'] <= addr) and (addr < add_cycles_to_function.prev_entry['end']): + add_cycles_to_function.prev_entry['cycles'] += cycles + return (add_cycles_to_function.prev_func_name, add_cycles_to_function.prev_module_name) + + # Generate the key for the given address + key = addr & ~0x0FFF + + if key not in functions_addr.keys(): + if 'Unknown' not in functions.keys(): + functions['Unknown'] = {} + if 'Unknown' not in functions['Unknown'].keys(): + functions['Unknown']['Unknown'] = {} + functions['Unknown']['Unknown']['cycles'] = 0 + functions['Unknown']['Unknown']['count'] = 0 + functions['Unknown']['Unknown']['cycles'] += cycles + + add_cycles_to_function.prev_func_name = None + return None + + for func_key, module in functions_addr[key].iteritems(): + for module_key, module_value in module.iteritems(): + if (module_value['start'] <= addr) and (addr < module_value['end']): + module_value['cycles'] += cycles + + # In case o <Unknown> we prefer to fallback on the direct search + add_cycles_to_function.prev_func_name = func_key + add_cycles_to_function.prev_module_name = module_key + add_cycles_to_function.prev_entry = module_value + return (func_key, module_key) + + print "Warning: Function %s @ 0x%x not found" % (func_name, addr) + + add_cycles_to_function.prev_func_name = None + return None + +# Static variables for the previous function +add_cycles_to_function.prev_func_name = None +add_cycles_to_function.prev_entry = None + +def trace_read(): + global trace_process + line = trace.readline() + trace_process += len(line) + return line + +# +# Parse arguments +# +trace_name = None +symbols_file = None + +opts,args = getopt.getopt(sys.argv[1:], "ht:vs:v", ["help","trace=","symbols="]) +if (opts is None) or (not opts): + usage() + sys.exit() + +for o,a in opts: + if o in ("-h","--help"): + usage() + sys.exit() + elif o in ("-t","--trace"): + trace_name = a + elif o in ("-s","--symbols"): + symbols_file = a + else: + assert False, "Unhandled option (%s)" % o + +# +# We try first to see if we run the script from DS-5 +# +try: + from arm_ds.debugger_v1 import Debugger + from arm_ds.debugger_v1 import DebugException + + # Debugger object for accessing the debugger + debugger = Debugger() + + # Initialisation commands + ec = debugger.getExecutionContext(0) + ec.getExecutionService().stop() + ec.getExecutionService().waitForStop() + # in case the execution context reference is out of date + ec = debugger.getExecutionContext(0) + + # + # Get the module name and their memory range + # + info_file = ec.executeDSCommand("info file") + info_file_str = StringIO(info_file) + + line = info_file_str.readline().strip('\n') + while line != '': + if ("Symbols from" in line): + # Get the module name from the line 'Symbols from "/home/...."' + module_name = line.split("\"")[1].split("/")[-1] + modules[module_name] = {} + + # Look for the text section + line = info_file_str.readline().strip('\n') + while (line != '') and ("Symbols from" not in line): + if ("ER_RO" in line): + modules[module_name]['start'] = int(line.split()[0].strip("S:"), 16) + modules[module_name]['end'] = int(line.split()[2].strip("S:"), 16) + line = info_file_str.readline().strip('\n') + break; + line = info_file_str.readline().strip('\n') + line = info_file_str.readline().strip('\n') + + # + # Get the function name and their memory range + # + info_func = ec.executeDSCommand("info func") + info_func_str = StringIO(info_func) + + # Skip the first line 'Low-level symbols ...' + line = info_func_str.readline().strip('\n') + func_prev = None + while line != '': + if ("Low-level symbols" in line): + # We need to fixup the last function of the module + if func_prev is not None: + func_prev['end'] = modules[module_name]['end'] + func_prev = None + + line = info_func_str.readline().strip('\n') + continue + func_name = line.split()[1] + func_start = int(line.split()[0].strip("S:"), 16) + module_name = get_module_from_addr(modules, func_start) + if func_name not in functions.keys(): + functions[func_name] = {} + functions[func_name][module_name] = {} + functions[func_name][module_name]['start'] = func_start + functions[func_name][module_name]['cycles'] = 0 + functions[func_name][module_name]['count'] = 0 + + # Set the end address of the previous function + if func_prev is not None: + func_prev['end'] = func_start + func_prev = functions[func_name][module_name] + + line = info_func_str.readline().strip('\n') + + # Fixup the last function + func_prev['end'] = modules[module_name]['end'] + + if symbols_file is not None: + pickle.dump((modules, functions), open(symbols_file, "w")) +except: + if symbols_file is None: + print "Error: Symbols file is required when run out of ARM DS-5" + sys.exit() + + (modules, functions) = pickle.load(open(symbols_file, "r")) + +# +# Build optimized table for the <Unknown> functions +# +functions_addr = {} +for func_key, module in functions.iteritems(): + for module_key, module_value in module.iteritems(): + key = module_value['start'] & ~0x0FFF + if key not in functions_addr.keys(): + functions_addr[key] = {} + if func_key not in functions_addr[key].keys(): + functions_addr[key][func_key] = {} + functions_addr[key][func_key][module_key] = module_value + +# +# Process the trace file +# +if trace_name is None: + sys.exit() + +trace = open(trace_name, "r") +trace_size = os.path.getsize(trace_name) +trace_process = 0 + +# Get the column names from the first line +columns = trace_read().split() +column_addr = columns.index('Address') +column_cycles = columns.index('Cycles') +column_function = columns.index('Function') + +line = trace_read() +i = 0 +prev_callee = None +while line: + try: + func_name = line.split('\t')[column_function].strip() + address = int(line.split('\t')[column_addr].strip("S:"), 16) + cycles = int(line.split('\t')[column_cycles]) + callee = add_cycles_to_function(functions, func_name, address, cycles) + if (prev_callee != None) and (prev_callee != callee): + functions[prev_callee[0]][prev_callee[1]]['count'] += 1 + prev_callee = callee + except ValueError: + pass + line = trace_read() + if ((i % 1000000) == 0) and (i != 0): + percent = (trace_process * 100.00) / trace_size + print "Processing file ... (%.2f %%)" % (percent) + i = i + 1 + +# Fixup the last callee +functions[prev_callee[0]][prev_callee[1]]['count'] += 1 + +# +# Process results +# +functions_cycles = {} +all_functions_cycles = {} +total_cycles = 0 + +for func_key, module in functions.iteritems(): + for module_key, module_value in module.iteritems(): + key = "%s/%s" % (module_key, func_key) + functions_cycles[key] = (module_value['cycles'], module_value['count']) + total_cycles += module_value['cycles'] + + if func_key not in all_functions_cycles.keys(): + all_functions_cycles[func_key] = (module_value['cycles'], module_value['count']) + else: + all_functions_cycles[func_key] = tuple(map(sum, zip(all_functions_cycles[func_key], (module_value['cycles'], module_value['count'])))) + +sorted_functions_cycles = sorted(functions_cycles.iteritems(), key=operator.itemgetter(1), reverse = True) +sorted_all_functions_cycles = sorted(all_functions_cycles.items(), key=operator.itemgetter(1), reverse = True) + +print +print "----" +for (key,value) in sorted_functions_cycles[:20]: + if value[0] != 0: + print "%s (cycles: %d - %d%%, count: %d)" % (key, value[0], (value[0] * 100) / total_cycles, value[1]) + else: + break; +print "----" +for (key,value) in sorted_all_functions_cycles[:20]: + if value[0] != 0: + print "%s (cycles: %d - %d%%, count: %d)" % (key, value[0], (value[0] * 100) / total_cycles, value[1]) + else: + break; |