# 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])) value='linux-4.6.y'>linux-4.6.y Hosts the 0x221E linux distro kernel.Ubuntu
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path: root/drivers/platform/x86/amd/pmf/acpi.c
AgeCommit message (Expand)Author
2024-12-19platform/x86/amd: pmf: Switch to guard(mutex)Mario Limonciello
2024-12-17platform/x86/amd/pmf: Enable Custom BIOS Inputs for PMF-TAShyam Sundar S K
2024-11-04platform/x86/amd/pmf: Switch to platform_get_resource() and devm_ioremap_reso...Shyam Sundar S K
2024-08-19platform/x86/amd/pmf: Add support for notifying Smart PC Solution updatesShyam Sundar S K
2024-04-16platform/x86/amd: pmf: Add infrastructure for quirking supported funcsMario Limonciello
2024-04-16platform/x86/amd: pmf: Decrease error message to debugMario Limonciello
2024-03-12platform/x86/amd/pmf: Add support to get sps default APTS index valuesShyam Sundar S K
2024-03-12platform/x86/amd/pmf: Add support to get APTS index numbers for static sliderShyam Sundar S K
2024-03-12platform/x86/amd/pmf: Add support to notify sbios heart beat eventShyam Sundar S K
2024-03-12platform/x86/amd/pmf: Add support to get sbios requests in PMF driverShyam Sundar S K
2024-03-12platform/x86/amd/pmf: Differentiate PMF ACPI versionsShyam Sundar S K
2024-01-02platform/x86/amd/pmf: Return a status code only as a constant in two functionsMarkus Elfring
2024-01-02platform/x86/amd/pmf: Return directly after a failed apmf_if_call() in apmf_s...Markus Elfring
2023-12-18platform/x86/amd/pmf: Add support for PMF Policy BinaryShyam Sundar S K
2023-07-25platform/x86/amd/pmf: Notify OS power slider updateShyam Sundar S K
2023-07-25platform/x86/amd/pmf: reduce verbosity of apmf_get_system_paramsShyam Sundar S K
2022-09-27Merge branch 'platform-drivers-x86-amd-pmf' into review-hansHans de Goede
2022-09-27platform/x86/amd/pmf: install notify handler after acpi initShyam Sundar S K
2022-09-22platform/x86/amd/pmf: Add support for CnQFShyam Sundar S K
2022-08-15platform/x86/amd/pmf: Handle AMT and CQL events for Auto modeShyam Sundar S K
2022-08-15platform/x86/amd/pmf: Add support for Auto mode featureShyam Sundar S K
2022-08-15platform/x86/amd/pmf: Add fan control supportShyam Sundar S K
2022-08-15platform/x86/amd/pmf: Add heartbeat signal supportShyam Sundar S K
2022-08-15platform/x86/amd/pmf: Add support SPS PMF featureShyam Sundar S K
2022-08-15platform/x86/amd/pmf: Add support for PMF APCI layerShyam Sundar S K