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b504d7f687
Remove mixed indentation in Python scripts. Revert to either all tabs (most common form) or all spaces (4 or 8) depending on what was the intent of the original commit. This is necessary to complete Python3 support as it will flag an error if it encounters mixed indentation. Signed-off-by: Tony Jones <tonyj@suse.de> Link: http://lkml.kernel.org/r/20190302011903.2416-2-tonyj@suse.de Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
128 lines
3.7 KiB
Python
128 lines
3.7 KiB
Python
# intel-pt-events.py: Print Intel PT Power Events and PTWRITE
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# Copyright (c) 2017, Intel Corporation.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms and conditions of the GNU General Public License,
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# version 2, as published by the Free Software Foundation.
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#
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# This program is distributed in the hope it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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import os
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import sys
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import struct
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sys.path.append(os.environ['PERF_EXEC_PATH'] + \
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'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
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# These perf imports are not used at present
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#from perf_trace_context import *
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#from Core import *
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def trace_begin():
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print "Intel PT Power Events and PTWRITE"
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def trace_end():
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print "End"
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def trace_unhandled(event_name, context, event_fields_dict):
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print ' '.join(['%s=%s'%(k,str(v))for k,v in sorted(event_fields_dict.items())])
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def print_ptwrite(raw_buf):
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data = struct.unpack_from("<IQ", raw_buf)
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flags = data[0]
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payload = data[1]
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exact_ip = flags & 1
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print "IP: %u payload: %#x" % (exact_ip, payload),
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def print_cbr(raw_buf):
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data = struct.unpack_from("<BBBBII", raw_buf)
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cbr = data[0]
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f = (data[4] + 500) / 1000
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p = ((cbr * 1000 / data[2]) + 5) / 10
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print "%3u freq: %4u MHz (%3u%%)" % (cbr, f, p),
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def print_mwait(raw_buf):
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data = struct.unpack_from("<IQ", raw_buf)
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payload = data[1]
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hints = payload & 0xff
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extensions = (payload >> 32) & 0x3
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print "hints: %#x extensions: %#x" % (hints, extensions),
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def print_pwre(raw_buf):
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data = struct.unpack_from("<IQ", raw_buf)
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payload = data[1]
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hw = (payload >> 7) & 1
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cstate = (payload >> 12) & 0xf
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subcstate = (payload >> 8) & 0xf
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print "hw: %u cstate: %u sub-cstate: %u" % (hw, cstate, subcstate),
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def print_exstop(raw_buf):
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data = struct.unpack_from("<I", raw_buf)
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flags = data[0]
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exact_ip = flags & 1
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print "IP: %u" % (exact_ip),
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def print_pwrx(raw_buf):
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data = struct.unpack_from("<IQ", raw_buf)
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payload = data[1]
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deepest_cstate = payload & 0xf
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last_cstate = (payload >> 4) & 0xf
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wake_reason = (payload >> 8) & 0xf
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print "deepest cstate: %u last cstate: %u wake reason: %#x" % (deepest_cstate, last_cstate, wake_reason),
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def print_common_start(comm, sample, name):
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ts = sample["time"]
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cpu = sample["cpu"]
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pid = sample["pid"]
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tid = sample["tid"]
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print "%16s %5u/%-5u [%03u] %9u.%09u %7s:" % (comm, pid, tid, cpu, ts / 1000000000, ts %1000000000, name),
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def print_common_ip(sample, symbol, dso):
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ip = sample["ip"]
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print "%16x %s (%s)" % (ip, symbol, dso)
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def process_event(param_dict):
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event_attr = param_dict["attr"]
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sample = param_dict["sample"]
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raw_buf = param_dict["raw_buf"]
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comm = param_dict["comm"]
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name = param_dict["ev_name"]
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# Symbol and dso info are not always resolved
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if (param_dict.has_key("dso")):
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dso = param_dict["dso"]
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else:
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dso = "[unknown]"
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if (param_dict.has_key("symbol")):
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symbol = param_dict["symbol"]
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else:
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symbol = "[unknown]"
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if name == "ptwrite":
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print_common_start(comm, sample, name)
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print_ptwrite(raw_buf)
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print_common_ip(sample, symbol, dso)
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elif name == "cbr":
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print_common_start(comm, sample, name)
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print_cbr(raw_buf)
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print_common_ip(sample, symbol, dso)
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elif name == "mwait":
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print_common_start(comm, sample, name)
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print_mwait(raw_buf)
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print_common_ip(sample, symbol, dso)
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elif name == "pwre":
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print_common_start(comm, sample, name)
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print_pwre(raw_buf)
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print_common_ip(sample, symbol, dso)
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elif name == "exstop":
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print_common_start(comm, sample, name)
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print_exstop(raw_buf)
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print_common_ip(sample, symbol, dso)
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elif name == "pwrx":
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print_common_start(comm, sample, name)
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print_pwrx(raw_buf)
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print_common_ip(sample, symbol, dso)
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