# stackcollapse.py - format perf samples with one line per distinct call stack # SPDX-License-Identifier: GPL-2.0 # # This script's output has two space-separated fields. The first is a semicolon # separated stack including the program name (from the "comm" field) and the # function names from the call stack. The second is a count: # # swapper;start_kernel;rest_init;cpu_idle;default_idle;native_safe_halt 2 # # The file is sorted according to the first field. # # Input may be created and processed using: # # perf record -a -g -F 99 sleep 60 # perf script report stackcollapse > out.stacks-folded # # (perf script record stackcollapse works too). # # Written by Paolo Bonzini # Based on Brendan Gregg's stackcollapse-perf.pl script. from __future__ import print_function import os import sys from collections import defaultdict from optparse import OptionParser, make_option sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') from perf_trace_context import * from Core import * from EventClass import * # command line parsing option_list = [ # formatting options for the bottom entry of the stack make_option("--include-tid", dest="include_tid", action="store_true", default=False, help="include thread id in stack"), make_option("--include-pid", dest="include_pid", action="store_true", default=False, help="include process id in stack"), make_option("--no-comm", dest="include_comm", action="store_false", default=True, help="do not separate stacks according to comm"), make_option("--tidy-java", dest="tidy_java", action="store_true", default=False, help="beautify Java signatures"), make_option("--kernel", dest="annotate_kernel", action="store_true", default=False, help="annotate kernel functions with _[k]") ] parser = OptionParser(option_list=option_list) (opts, args) = parser.parse_args() if len(args) != 0: parser.error("unexpected command line argument") if opts.include_tid and not opts.include_comm: parser.error("requesting tid but not comm is invalid") if opts.include_pid and not opts.include_comm: parser.error("requesting pid but not comm is invalid") # event handlers lines = defaultdict(lambda: 0) def process_event(param_dict): def tidy_function_name(sym, dso): if sym is None: sym = '[unknown]' sym = sym.replace(';', ':') if opts.tidy_java: # the original stackcollapse-perf.pl script gives the # example of converting this: # Lorg/mozilla/javascript/MemberBox;.(Ljava/lang/reflect/Method;)V # to this: # org/mozilla/javascript/MemberBox:.init sym = sym.replace('<', '') sym = sym.replace('>', '') if sym[0] == 'L' and sym.find('/'): sym = sym[1:] try: sym = sym[:sym.index('(')] except ValueError: pass if opts.annotate_kernel and dso == '[kernel.kallsyms]': return sym + '_[k]' else: return sym stack = list() if 'callchain' in param_dict: for entry in param_dict['callchain']: entry.setdefault('sym', dict()) entry['sym'].setdefault('name', None) entry.setdefault('dso', None) stack.append(tidy_function_name(entry['sym']['name'], entry['dso'])) else: param_dict.setdefault('symbol', None) param_dict.setdefault('dso', None) stack.append(tidy_function_name(param_dict['symbol'], param_dict['dso'])) if opts.include_comm: comm = param_dict["comm"].replace(' ', '_') sep = "-" if opts.include_pid: comm = comm + sep + str(param_dict['sample']['pid']) sep = "/" if opts.include_tid: comm = comm + sep + str(param_dict['sample']['tid']) stack.append(comm) stack_string = ';'.join(reversed(stack)) lines[stack_string] = lines[stack_string] + 1 def trace_end(): list = sorted(lines) for stack in list: print("%s %d" % (stack, lines[stack])) '>linux-4.5.y Hosts the 0x221E linux distro kernel.Ubuntu
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2024-11-07staging: rtl8723bs: Remove function pointer write_rfregPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer read_rfregPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer write_bbregPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer read_bbregPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer cancel_threadPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer run_threadPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer Add_RateATidPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer SetBeaconRelatedRegistersHandlerPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer hal_dm_watchdog_in_lpsPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer hal_dm_watchdogPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer set_chnl_bw_handlerPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer set_channel_handlerPhilipp Hortmann
2024-11-07staging: rtl8723bs: Remove function pointer UpdateRAMaskHandlerPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer hal_xmitframe_enqueuePhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer mgnt_xmitPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer hal_xmitPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer SetHalDefVarHandlerPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer GetHalDefVarHandlerPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer SetHwRegHandlerWithBufPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer GetHwRegHandlerPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer SetHwRegHandlerPhilipp Hortmann
2024-11-04staging: rtl8723bs: Remove function pointer check_ips_statusPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer disable_interruptPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer enable_interruptPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer read_adapter_infoPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer intf_chip_configurePhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer init_default_valuePhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer read_chip_versionPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer dm_deinitPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer dm_initPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer free_recv_privPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer init_recv_privPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer free_xmit_privPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer init_xmit_privPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer free_hal_dataPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer hal_deinitPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove function pointer hal_initPhilipp Hortmann
2024-10-09staging: rtl8723bs: Remove constant result macro is_primary_adapterPhilipp Hortmann
2024-09-11staging: rtl8723bs: Remove unused files rtw_debug.c and rtw_debug.hPhilipp Hortmann
2024-09-11staging: rtl8723bs: Remove unused function rtw_hal_get_odm_varPhilipp Hortmann
2023-08-22staging: rtl8723bs: Use helpers to check broadcast and multicast Ether addressesRuan Jinjie
2022-09-09staging: rtl8723bs: remove rtw_hal_is_disable_sw_channel_planNam Cao
2022-01-25Staging: rtl8723bs: Inserting blank line after declarationJagath Jog J
2021-05-10staging: rtl8723bs: remove debug macros related to hal/hal_intf.c tracingFabio Aiuto
2021-04-12staging: rtl8723bs: Change controlling expressionsFabio M. De Francesco
2021-04-12staging: rtl8723bs: Remove camelcase in several filesFabio M. De Francesco