diff options
Diffstat (limited to 'tools/perf/scripts/python/intel-pt-events.py')
| -rw-r--r-- | tools/perf/scripts/python/intel-pt-events.py | 176 |
1 files changed, 158 insertions, 18 deletions
diff --git a/tools/perf/scripts/python/intel-pt-events.py b/tools/perf/scripts/python/intel-pt-events.py index fcfae1de731b..1d3a189a9a54 100644 --- a/tools/perf/scripts/python/intel-pt-events.py +++ b/tools/perf/scripts/python/intel-pt-events.py @@ -16,21 +16,30 @@ from __future__ import print_function import os import sys import struct +import argparse + +from libxed import LibXED +from ctypes import create_string_buffer, addressof sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') -# These perf imports are not used at present -#from perf_trace_context import * -#from Core import * +from perf_trace_context import perf_set_itrace_options, \ + perf_sample_insn, perf_sample_srccode try: broken_pipe_exception = BrokenPipeError except: broken_pipe_exception = IOError -glb_switch_str = None -glb_switch_printed = True +glb_switch_str = None +glb_switch_printed = True +glb_insn = False +glb_disassembler = None +glb_src = False +glb_source_file_name = None +glb_line_number = None +glb_dso = None def get_optional_null(perf_dict, field): if field in perf_dict: @@ -42,6 +51,11 @@ def get_optional_zero(perf_dict, field): return perf_dict[field] return 0 +def get_optional_bytes(perf_dict, field): + if field in perf_dict: + return perf_dict[field] + return bytes() + def get_optional(perf_dict, field): if field in perf_dict: return perf_dict[field] @@ -53,7 +67,31 @@ def get_offset(perf_dict, field): return "" def trace_begin(): - print("Intel PT Branch Trace, Power Events and PTWRITE") + ap = argparse.ArgumentParser(usage = "", add_help = False) + ap.add_argument("--insn-trace", action='store_true') + ap.add_argument("--src-trace", action='store_true') + global glb_args + global glb_insn + global glb_src + glb_args = ap.parse_args() + if glb_args.insn_trace: + print("Intel PT Instruction Trace") + itrace = "i0nsepwx" + glb_insn = True + elif glb_args.src_trace: + print("Intel PT Source Trace") + itrace = "i0nsepwx" + glb_insn = True + glb_src = True + else: + print("Intel PT Branch Trace, Power Events and PTWRITE") + itrace = "bepwx" + global glb_disassembler + try: + glb_disassembler = LibXED() + except: + glb_disassembler = None + perf_set_itrace_options(perf_script_context, itrace) def trace_end(): print("End") @@ -111,11 +149,14 @@ def print_psb(raw_buf): offset = data[1] print("offset: %#x" % (offset), end=' ') -def print_common_start(comm, sample, name): +def common_start_str(comm, sample): ts = sample["time"] cpu = sample["cpu"] pid = sample["pid"] tid = sample["tid"] + return "%16s %5u/%-5u [%03u] %9u.%09u " % (comm, pid, tid, cpu, ts / 1000000000, ts %1000000000) + +def print_common_start(comm, sample, name): flags_disp = get_optional_null(sample, "flags_disp") # Unused fields: # period = sample["period"] @@ -123,22 +164,96 @@ def print_common_start(comm, sample, name): # weight = sample["weight"] # transaction = sample["transaction"] # cpumode = get_optional_zero(sample, "cpumode") - print("%16s %5u/%-5u [%03u] %9u.%09u %7s %19s" % - (comm, pid, tid, cpu, ts / 1000000000, ts %1000000000, name, flags_disp), - end=' ') + print(common_start_str(comm, sample) + "%7s %19s" % (name, flags_disp), end=' ') + +def print_instructions_start(comm, sample): + if "x" in get_optional_null(sample, "flags"): + print(common_start_str(comm, sample) + "x", end=' ') + else: + print(common_start_str(comm, sample), end=' ') + +def disassem(insn, ip): + inst = glb_disassembler.Instruction() + glb_disassembler.SetMode(inst, 0) # Assume 64-bit + buf = create_string_buffer(64) + buf.value = insn + return glb_disassembler.DisassembleOne(inst, addressof(buf), len(insn), ip) def print_common_ip(param_dict, sample, symbol, dso): ip = sample["ip"] offs = get_offset(param_dict, "symoff") - print("%16x %s%s (%s)" % (ip, symbol, offs, dso), end=' ') + if "cyc_cnt" in sample: + cyc_cnt = sample["cyc_cnt"] + insn_cnt = get_optional_zero(sample, "insn_cnt") + ipc_str = " IPC: %#.2f (%u/%u)" % (insn_cnt / cyc_cnt, insn_cnt, cyc_cnt) + else: + ipc_str = "" + if glb_insn and glb_disassembler is not None: + insn = perf_sample_insn(perf_script_context) + if insn and len(insn): + cnt, text = disassem(insn, ip) + byte_str = ("%x" % ip).rjust(16) + if sys.version_info.major >= 3: + for k in range(cnt): + byte_str += " %02x" % insn[k] + else: + for k in xrange(cnt): + byte_str += " %02x" % ord(insn[k]) + print("%-40s %-30s" % (byte_str, text), end=' ') + print("%s%s (%s)" % (symbol, offs, dso), end=' ') + else: + print("%16x %s%s (%s)" % (ip, symbol, offs, dso), end=' ') if "addr_correlates_sym" in sample: addr = sample["addr"] dso = get_optional(sample, "addr_dso") symbol = get_optional(sample, "addr_symbol") offs = get_offset(sample, "addr_symoff") - print("=> %x %s%s (%s)" % (addr, symbol, offs, dso)) + print("=> %x %s%s (%s)%s" % (addr, symbol, offs, dso, ipc_str)) + else: + print(ipc_str) + +def print_srccode(comm, param_dict, sample, symbol, dso, with_insn): + ip = sample["ip"] + if symbol == "[unknown]": + start_str = common_start_str(comm, sample) + ("%x" % ip).rjust(16).ljust(40) else: - print() + offs = get_offset(param_dict, "symoff") + start_str = common_start_str(comm, sample) + (symbol + offs).ljust(40) + + if with_insn and glb_insn and glb_disassembler is not None: + insn = perf_sample_insn(perf_script_context) + if insn and len(insn): + cnt, text = disassem(insn, ip) + start_str += text.ljust(30) + + 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 do_process_event(param_dict): global glb_switch_printed @@ -159,24 +274,49 @@ def do_process_event(param_dict): dso = get_optional(param_dict, "dso") symbol = get_optional(param_dict, "symbol") - print_common_start(comm, sample, name) - - if name == "ptwrite": + if name[0:12] == "instructions": + if glb_src: + print_srccode(comm, param_dict, sample, symbol, dso, True) + else: + print_instructions_start(comm, sample) + print_common_ip(param_dict, sample, symbol, dso) + elif name[0:8] == "branches": + if glb_src: + print_srccode(comm, param_dict, sample, symbol, dso, False) + else: + print_common_start(comm, sample, name) + print_common_ip(param_dict, sample, symbol, dso) + elif name == "ptwrite": + print_common_start(comm, sample, name) print_ptwrite(raw_buf) + print_common_ip(param_dict, sample, symbol, dso) elif name == "cbr": + print_common_start(comm, sample, name) print_cbr(raw_buf) + print_common_ip(param_dict, sample, symbol, dso) elif name == "mwait": + print_common_start(comm, sample, name) print_mwait(raw_buf) + print_common_ip(param_dict, sample, symbol, dso) elif name == "pwre": + print_common_start(comm, sample, name) print_pwre(raw_buf) + print_common_ip(param_dict, sample, symbol, dso) elif name == "exstop": + print_common_start(comm, sample, name) print_exstop(raw_buf) + print_common_ip(param_dict, sample, symbol, dso) elif name == "pwrx": + print_common_start(comm, sample, name) print_pwrx(raw_buf) + print_common_ip(param_dict, sample, symbol, dso) elif name == "psb": + print_common_start(comm, sample, name) print_psb(raw_buf) - - print_common_ip(param_dict, sample, symbol, dso) + print_common_ip(param_dict, sample, symbol, dso) + else: + print_common_start(comm, sample, name) + print_common_ip(param_dict, sample, symbol, dso) def process_event(param_dict): try: |