Adding upstream version 6.12.33.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
parent
89eabb05c2
commit
79d69e5050
GPG key ID:
BCC918A2ABD66424
86698 changed files with 39662057 additions and 0 deletions
274
tools/perf/scripts/python/arm-cs-trace-disasm.py
Executable file
274
tools/perf/scripts/python/arm-cs-trace-disasm.py
Executable file
|
|
@ -0,0 +1,274 @@
|
|||
# SPDX-License-Identifier: GPL-2.0
|
||||
# arm-cs-trace-disasm.py: ARM CoreSight Trace Dump With Disassember
|
||||
#
|
||||
# Author: Tor Jeremiassen <tor@ti.com>
|
||||
# Mathieu Poirier <mathieu.poirier@linaro.org>
|
||||
# Leo Yan <leo.yan@linaro.org>
|
||||
# Al Grant <Al.Grant@arm.com>
|
||||
|
||||
from __future__ import print_function
|
||||
import os
|
||||
from os import path
|
||||
import re
|
||||
from subprocess import *
|
||||
from optparse import OptionParser, make_option
|
||||
|
||||
from perf_trace_context import perf_set_itrace_options, \
|
||||
perf_sample_insn, perf_sample_srccode
|
||||
|
||||
# Below are some example commands for using this script.
|
||||
#
|
||||
# Output disassembly with objdump:
|
||||
# perf script -s scripts/python/arm-cs-trace-disasm.py \
|
||||
# -- -d objdump -k path/to/vmlinux
|
||||
# Output disassembly with llvm-objdump:
|
||||
# perf script -s scripts/python/arm-cs-trace-disasm.py \
|
||||
# -- -d llvm-objdump-11 -k path/to/vmlinux
|
||||
# Output only source line and symbols:
|
||||
# perf script -s scripts/python/arm-cs-trace-disasm.py
|
||||
|
||||
# Command line parsing.
|
||||
option_list = [
|
||||
# formatting options for the bottom entry of the stack
|
||||
make_option("-k", "--vmlinux", dest="vmlinux_name",
|
||||
help="Set path to vmlinux file"),
|
||||
make_option("-d", "--objdump", dest="objdump_name",
|
||||
help="Set path to objdump executable file"),
|
||||
make_option("-v", "--verbose", dest="verbose",
|
||||
action="store_true", default=False,
|
||||
help="Enable debugging log")
|
||||
]
|
||||
|
||||
parser = OptionParser(option_list=option_list)
|
||||
(options, args) = parser.parse_args()
|
||||
|
||||
# Initialize global dicts and regular expression
|
||||
disasm_cache = dict()
|
||||
cpu_data = dict()
|
||||
disasm_re = re.compile(r"^\s*([0-9a-fA-F]+):")
|
||||
disasm_func_re = re.compile(r"^\s*([0-9a-fA-F]+)\s.*:")
|
||||
cache_size = 64*1024
|
||||
|
||||
glb_source_file_name = None
|
||||
glb_line_number = None
|
||||
glb_dso = None
|
||||
|
||||
def get_optional(perf_dict, field):
|
||||
if field in perf_dict:
|
||||
return perf_dict[field]
|
||||
return "[unknown]"
|
||||
|
||||
def get_offset(perf_dict, field):
|
||||
if field in perf_dict:
|
||||
return "+%#x" % perf_dict[field]
|
||||
return ""
|
||||
|
||||
def get_dso_file_path(dso_name, dso_build_id):
|
||||
if (dso_name == "[kernel.kallsyms]" or dso_name == "vmlinux"):
|
||||
if (options.vmlinux_name):
|
||||
return options.vmlinux_name;
|
||||
else:
|
||||
return dso_name
|
||||
|
||||
if (dso_name == "[vdso]") :
|
||||
append = "/vdso"
|
||||
else:
|
||||
append = "/elf"
|
||||
|
||||
dso_path = os.environ['PERF_BUILDID_DIR'] + "/" + dso_name + "/" + dso_build_id + append;
|
||||
# Replace duplicate slash chars to single slash char
|
||||
dso_path = dso_path.replace('//', '/', 1)
|
||||
return dso_path
|
||||
|
||||
def read_disam(dso_fname, dso_start, start_addr, stop_addr):
|
||||
addr_range = str(start_addr) + ":" + str(stop_addr) + ":" + dso_fname
|
||||
|
||||
# Don't let the cache get too big, clear it when it hits max size
|
||||
if (len(disasm_cache) > cache_size):
|
||||
disasm_cache.clear();
|
||||
|
||||
if addr_range in disasm_cache:
|
||||
disasm_output = disasm_cache[addr_range];
|
||||
else:
|
||||
start_addr = start_addr - dso_start;
|
||||
stop_addr = stop_addr - dso_start;
|
||||
disasm = [ options.objdump_name, "-d", "-z",
|
||||
"--start-address="+format(start_addr,"#x"),
|
||||
"--stop-address="+format(stop_addr,"#x") ]
|
||||
disasm += [ dso_fname ]
|
||||
disasm_output = check_output(disasm).decode('utf-8').split('\n')
|
||||
disasm_cache[addr_range] = disasm_output
|
||||
|
||||
return disasm_output
|
||||
|
||||
def print_disam(dso_fname, dso_start, start_addr, stop_addr):
|
||||
for line in read_disam(dso_fname, dso_start, start_addr, stop_addr):
|
||||
m = disasm_func_re.search(line)
|
||||
if m is None:
|
||||
m = disasm_re.search(line)
|
||||
if m is None:
|
||||
continue
|
||||
print("\t" + line)
|
||||
|
||||
def print_sample(sample):
|
||||
print("Sample = { cpu: %04d addr: 0x%016x phys_addr: 0x%016x ip: 0x%016x " \
|
||||
"pid: %d tid: %d period: %d time: %d }" % \
|
||||
(sample['cpu'], sample['addr'], sample['phys_addr'], \
|
||||
sample['ip'], sample['pid'], sample['tid'], \
|
||||
sample['period'], sample['time']))
|
||||
|
||||
def trace_begin():
|
||||
print('ARM CoreSight Trace Data Assembler Dump')
|
||||
|
||||
def trace_end():
|
||||
print('End')
|
||||
|
||||
def trace_unhandled(event_name, context, event_fields_dict):
|
||||
print(' '.join(['%s=%s'%(k,str(v))for k,v in sorted(event_fields_dict.items())]))
|
||||
|
||||
def common_start_str(comm, sample):
|
||||
sec = int(sample["time"] / 1000000000)
|
||||
ns = sample["time"] % 1000000000
|
||||
cpu = sample["cpu"]
|
||||
pid = sample["pid"]
|
||||
tid = sample["tid"]
|
||||
return "%16s %5u/%-5u [%04u] %9u.%09u " % (comm, pid, tid, cpu, sec, ns)
|
||||
|
||||
# This code is copied from intel-pt-events.py for printing source code
|
||||
# line and symbols.
|
||||
def print_srccode(comm, param_dict, sample, symbol, dso):
|
||||
ip = sample["ip"]
|
||||
if symbol == "[unknown]":
|
||||
start_str = common_start_str(comm, sample) + ("%x" % ip).rjust(16).ljust(40)
|
||||
else:
|
||||
offs = get_offset(param_dict, "symoff")
|
||||
start_str = common_start_str(comm, sample) + (symbol + offs).ljust(40)
|
||||
|
||||
global glb_source_file_name
|
||||
global glb_line_number
|
||||
global glb_dso
|
||||
|
||||
source_file_name, line_number, source_line = perf_sample_srccode(perf_script_context)
|
||||
if source_file_name:
|
||||
if glb_line_number == line_number and glb_source_file_name == source_file_name:
|
||||
src_str = ""
|
||||
else:
|
||||
if len(source_file_name) > 40:
|
||||
src_file = ("..." + source_file_name[-37:]) + " "
|
||||
else:
|
||||
src_file = source_file_name.ljust(41)
|
||||
|
||||
if source_line is None:
|
||||
src_str = src_file + str(line_number).rjust(4) + " <source not found>"
|
||||
else:
|
||||
src_str = src_file + str(line_number).rjust(4) + " " + source_line
|
||||
glb_dso = None
|
||||
elif dso == glb_dso:
|
||||
src_str = ""
|
||||
else:
|
||||
src_str = dso
|
||||
glb_dso = dso
|
||||
|
||||
glb_line_number = line_number
|
||||
glb_source_file_name = source_file_name
|
||||
|
||||
print(start_str, src_str)
|
||||
|
||||
def process_event(param_dict):
|
||||
global cache_size
|
||||
global options
|
||||
|
||||
sample = param_dict["sample"]
|
||||
comm = param_dict["comm"]
|
||||
|
||||
name = param_dict["ev_name"]
|
||||
dso = get_optional(param_dict, "dso")
|
||||
dso_bid = get_optional(param_dict, "dso_bid")
|
||||
dso_start = get_optional(param_dict, "dso_map_start")
|
||||
dso_end = get_optional(param_dict, "dso_map_end")
|
||||
symbol = get_optional(param_dict, "symbol")
|
||||
|
||||
cpu = sample["cpu"]
|
||||
ip = sample["ip"]
|
||||
addr = sample["addr"]
|
||||
|
||||
if (options.verbose == True):
|
||||
print("Event type: %s" % name)
|
||||
print_sample(sample)
|
||||
|
||||
# Initialize CPU data if it's empty, and directly return back
|
||||
# if this is the first tracing event for this CPU.
|
||||
if (cpu_data.get(str(cpu) + 'addr') == None):
|
||||
cpu_data[str(cpu) + 'addr'] = addr
|
||||
return
|
||||
|
||||
# If cannot find dso so cannot dump assembler, bail out
|
||||
if (dso == '[unknown]'):
|
||||
return
|
||||
|
||||
# Validate dso start and end addresses
|
||||
if ((dso_start == '[unknown]') or (dso_end == '[unknown]')):
|
||||
print("Failed to find valid dso map for dso %s" % dso)
|
||||
return
|
||||
|
||||
if (name[0:12] == "instructions"):
|
||||
print_srccode(comm, param_dict, sample, symbol, dso)
|
||||
return
|
||||
|
||||
# Don't proceed if this event is not a branch sample, .
|
||||
if (name[0:8] != "branches"):
|
||||
return
|
||||
|
||||
# The format for packet is:
|
||||
#
|
||||
# +------------+------------+------------+
|
||||
# sample_prev: | addr | ip | cpu |
|
||||
# +------------+------------+------------+
|
||||
# sample_next: | addr | ip | cpu |
|
||||
# +------------+------------+------------+
|
||||
#
|
||||
# We need to combine the two continuous packets to get the instruction
|
||||
# range for sample_prev::cpu:
|
||||
#
|
||||
# [ sample_prev::addr .. sample_next::ip ]
|
||||
#
|
||||
# For this purose, sample_prev::addr is stored into cpu_data structure
|
||||
# and read back for 'start_addr' when the new packet comes, and we need
|
||||
# to use sample_next::ip to calculate 'stop_addr', plusing extra 4 for
|
||||
# 'stop_addr' is for the sake of objdump so the final assembler dump can
|
||||
# include last instruction for sample_next::ip.
|
||||
start_addr = cpu_data[str(cpu) + 'addr']
|
||||
stop_addr = ip + 4
|
||||
|
||||
# Record for previous sample packet
|
||||
cpu_data[str(cpu) + 'addr'] = addr
|
||||
|
||||
# Handle CS_ETM_TRACE_ON packet if start_addr=0 and stop_addr=4
|
||||
if (start_addr == 0 and stop_addr == 4):
|
||||
print("CPU%d: CS_ETM_TRACE_ON packet is inserted" % cpu)
|
||||
return
|
||||
|
||||
if (start_addr < int(dso_start) or start_addr > int(dso_end)):
|
||||
print("Start address 0x%x is out of range [ 0x%x .. 0x%x ] for dso %s" % (start_addr, int(dso_start), int(dso_end), dso))
|
||||
return
|
||||
|
||||
if (stop_addr < int(dso_start) or stop_addr > int(dso_end)):
|
||||
print("Stop address 0x%x is out of range [ 0x%x .. 0x%x ] for dso %s" % (stop_addr, int(dso_start), int(dso_end), dso))
|
||||
return
|
||||
|
||||
if (options.objdump_name != None):
|
||||
# It doesn't need to decrease virtual memory offset for disassembly
|
||||
# for kernel dso and executable file dso, so in this case we set
|
||||
# vm_start to zero.
|
||||
if (dso == "[kernel.kallsyms]" or dso_start == 0x400000):
|
||||
dso_vm_start = 0
|
||||
else:
|
||||
dso_vm_start = int(dso_start)
|
||||
|
||||
dso_fname = get_dso_file_path(dso, dso_bid)
|
||||
if path.exists(dso_fname):
|
||||
print_disam(dso_fname, dso_vm_start, start_addr, stop_addr)
|
||||
else:
|
||||
print("Failed to find dso %s for address range [ 0x%x .. 0x%x ]" % (dso, start_addr, stop_addr))
|
||||
|
||||
print_srccode(comm, param_dict, sample, symbol, dso)
|
||||
Loading…
Add table
Add a link
Reference in a new issue