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tl_output.py
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tl_output.py
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# Copyright (c) 2012-2020, Intel Corporation
# Author: Andi Kleen
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
# version 2, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# Output toplev results in various formats
from __future__ import print_function
import locale
import csv
import re
import sys
import json
import os
from collections import defaultdict, Counter, OrderedDict
from tl_stat import isnan
from tl_uval import UVal, combine_uval
from tl_io import flex_open_w
def output_name(name, typ):
if typ:
if "." in name:
name = re.sub(r'(.*)\.', r'\1-%s.' % typ, name)
else:
name += "-" + typ
return name
def open_logfile(name, typ):
if name is None or name == "":
return sys.stderr
if 'write' in name.__class__.__dict__:
return name
name = output_name(name, typ)
try:
return flex_open_w(name)
except IOError:
sys.exit("Cannot open logfile %s" % name)
def open_all_logfiles(args, logfile):
if args.split_output and args.per_thread + args.per_core + args.per_socket + args.global_ > 0:
logfiles = dict()
if args.per_thread:
logfiles['thread'] = open_logfile(logfile, "thread")
if args.per_core:
logfiles['core'] = open_logfile(logfile, "core")
if args.per_socket:
logfiles['socket'] = open_logfile(logfile, "socket")
if args.global_:
logfiles['global'] = open_logfile(logfile, "global")
return logfiles, None
else:
return None, open_logfile(logfile, None)
BUFS = 1024*1024
def catrmfile(infn, outf, keep):
with open(infn, "r") as inf:
while True:
buf = inf.read(BUFS)
if len(buf) == 0:
break
outf.write(buf)
outf.flush()
if not keep:
os.remove(infn)
def catrmoutput(infn, logf, logfiles, keep):
if logfiles:
for j in logfiles.keys():
catrmfile(output_name(infn, j), logfiles[j], keep)
else:
catrmfile(infn, logf, keep)
class Output(object):
"""Abstract base class for Output classes."""
def __init__(self, logfile, version, cpu, args):
self.logfiles, self.logf = open_all_logfiles(args, args.output)
self.printed_descs = set()
self.hdrlen = 30
self.version = version
self.unitlen = 12
self.belowlen = 0
self.version = "%s on %s [%s%s]" % (version, cpu.name, cpu.true_name,
"/" + cpu.pmu_name if cpu.pmu_name else "")
self.curname = ""
self.curname_nologf = ""
self.printedversion = set()
self.no_header = args.no_csv_header
self.no_footer = args.no_csv_footer
self.valcsv = None
def flushfiles(self):
if self.logfiles:
for j in self.logfiles.values():
j.flush()
elif self.logf != sys.stderr and self.logf != sys.stdout:
self.logf.flush()
# pass all possible hdrs in advance to compute suitable padding
def set_hdr(self, hdr, area):
if area:
hdr = "%-14s %s" % (area, hdr)
self.hdrlen = max(len(hdr) + 1, self.hdrlen)
def set_below(self, below):
if below:
self.belowlen = 1
def set_unit(self, unit):
self.unitlen = max(len(unit), self.unitlen)
def set_cpus(self, cpus):
pass
def item(self, area, name, uval, timestamp, unit, desc, title, sample, bn, below, idle):
assert isinstance(uval, UVal)
# --
if desc in self.printed_descs:
desc = ""
else:
self.printed_descs.add(desc)
if not area:
area = ""
self.show(timestamp, title, area, name, uval, unit, desc, sample, bn, below, idle)
def ratio(self, area, name, uval, timestamp, unit, desc, title, sample, bn, below, idle):
uval.is_ratio = True
self.item(area, name, uval, timestamp, unit, desc, title, sample, bn, below, idle)
def metric(self, area, name, uval, timestamp, desc, title, unit, idle):
self.item(area, name, uval, timestamp, unit, desc, title, None, "", "", idle)
def flush(self):
pass
def remark(self, m):
if not self.logfiles:
self.logf.write('\n%s:\n' % m)
def reset(self, name):
if self.logfiles:
self.logf = self.logfiles[name]
self.curname = name
self.curname_nologf = name
def print_version(self):
if self.no_header:
return
if self.curname not in self.printedversion:
if self.logfiles:
self.logfiles[self.curname].write("# " + self.version + "\n")
else:
self.logf.write("# " + self.version + "\n")
self.printedversion.add(self.curname)
print_header = print_version
def print_footer(self):
pass
def print_footer_all(self):
if self.no_footer:
return
if self.logfiles:
for f in self.logfiles.values():
f.write("# %s\n" % self.version)
else:
self.logf.write("# " + self.version + "\n")
def fmt_below(below):
if below:
return "<"
return ""
class OutputHuman(Output):
"""Generate human readable single-column output."""
def __init__(self, logfile, args, version, cpu):
Output.__init__(self, logfile, version, cpu, args)
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
pass
self.args = args
self.titlelen = 7
def set_cpus(self, cpus):
if len(cpus) > 0:
self.titlelen = max(map(len, cpus)) + 1
def print_desc(self, desc, sample):
if self.args.no_desc:
return
if desc:
print("\t" + desc, file=self.logf)
if sample:
print("\t" + "Sampling events: ", sample, file=self.logf)
def print_timestamp(self, timestamp):
if timestamp:
if isnan(timestamp):
self.logf.write("%-11s " % "SUMMARY")
else:
self.logf.write("%6.9f " % timestamp)
def print_line_header(self, area, hdr):
if area:
hdr = "%-14s %s" % (area, hdr)
self.logf.write("%-*s " % (self.hdrlen, hdr))
# timestamp Timestamp in interval mode
# title CPU
# area FE/BE ...
# hdr Node Name
# val Formatted measured value
# unit unit
# desc Object description
# sample Sample Objects (string)
# vs Statistics object
# bn marker for bottleneck
# below True if below
# idle Idle marker (ignored for Human)
# Example:
# C0 BE Backend_Bound: 62.00 %
def show(self, timestamp, title, area, hdr, val, unit, desc, sample, bn, below, idle):
self.print_header()
self.print_timestamp(timestamp)
write = self.logf.write
if title:
write("%-*s" % (self.titlelen, title))
self.print_line_header(area, hdr)
vals = "{:<{unitlen}} {:>} {:<{belowlen}}".format(
(" " if unit and unit[0] != "%" else "") + unit,
val.format_value(),
fmt_below(below),
unitlen=self.unitlen + 1,
belowlen=self.belowlen)
if not self.args.no_mux and val.multiplex != 100.0:
vals += " " + val.format_mux()
if val.stddev:
vals += " +- {:>8}".format(val.format_uncertainty())
if bn:
vals += " " + bn
write(vals + "\n")
self.print_desc(desc, sample)
def metric(self, area, name, uval, timestamp, desc, title, unit, idle):
self.item(area, name, uval, timestamp, unit, desc, title, None, "", "", False)
def convert_ts(ts):
if isnan(ts):
return "SUMMARY"
return ts
class OutputColumns(OutputHuman):
"""Human-readable output data in per-cpu columns."""
def __init__(self, logfile, args, version, cpu):
OutputHuman.__init__(self, logfile, args, version, cpu)
self.nodes = dict()
self.timestamp = None
self.cpunames = set()
self.printed_header = False
def set_cpus(self, cpus):
self.cpunames = cpus
def show(self, timestamp, title, area, hdr, val, unit, desc, sample, bn, below, idle):
if self.args.single_thread:
OutputHuman.show(self, timestamp, title, area, hdr, val, unit, desc, sample, bn, below, idle)
return
self.print_header()
self.timestamp = timestamp
key = (area, hdr)
if key not in self.nodes:
self.nodes[key] = dict()
assert title not in self.nodes[key]
self.nodes[key][title] = (val, unit, desc, sample, bn, below, idle)
def flush(self):
VALCOL_LEN = 16
write = self.logf.write
cpunames = sorted(self.cpunames)
if not self.printed_header:
if self.timestamp:
write("%9s" % "")
self.print_line_header("", "")
for j in cpunames:
write("%*s " % (VALCOL_LEN, j))
write("\n")
self.printed_header = True
for key in sorted(sorted(self.nodes.keys(), key=lambda x: x[1]), key=lambda x: x[0] == ""):
node = self.nodes[key]
desc = None
sample = None
unit = None
if self.timestamp:
self.print_timestamp(self.timestamp)
self.print_line_header(key[0], key[1])
vlist = []
for cpuname in cpunames:
if cpuname in node:
cpu = node[cpuname]
uval, unit, desc, sample, bn, below, idle = cpu
v = uval.format_value()
vlist.append(uval)
write("%*s%s " % (VALCOL_LEN, v, "?" if below else "*" if bn else " "))
else:
write("%*s " % (VALCOL_LEN, ""))
if unit:
# XXX should move this to be per entry?
cval = combine_uval(vlist)
vs = (" +- " + cval.format_uncertainty() + " " + cval.format_mux()) if cval.stddev else ""
write(" %-*s%s" % (self.unitlen, (" " if unit[0] != "%" else "") + unit, vs))
write("\n")
self.print_desc(desc, sample)
self.nodes = dict()
def reset(self, name):
Output.reset(self, name)
self.printed_header = False
class OutputColumnsCSV(OutputColumns):
"""Columns output in CSV mode."""
def __init__(self, logfile, sep, args, version, cpu):
OutputColumns.__init__(self, logfile, args, version, cpu)
self.writer = dict()
if self.logfiles:
for n, f in self.logfiles.items():
self.writer[n] = csv.writer(f, delimiter=sep, lineterminator='\n')
else:
self.writer[''] = csv.writer(self.logf, delimiter=sep, lineterminator='\n')
self.printed_header = False
# XXX implement bn and idle
def show(self, timestamp, title, area, hdr, val, unit, desc, sample, bn, below, idle):
self.print_header()
self.timestamp = timestamp
key = (area, hdr)
if key not in self.nodes:
self.nodes[key] = dict()
assert title not in self.nodes[key]
self.nodes[key][title] = (val, unit + " " + fmt_below(below), desc, sample)
def flush(self):
cpunames = sorted(self.cpunames)
if not self.printed_header and not self.no_header:
ts = ["Timestamp"] if self.timestamp else []
header = ts + ["Area", "Node"] + cpunames + ["Description", "Sample", "Stddev", "Multiplex"]
self.writer[self.curname].writerow([x.encode() for x in header])
self.printed_header = True
for key in sorted(sorted(self.nodes.keys(), key=lambda x: x[1]), key=lambda x: x[0] == ""):
node = self.nodes[key]
ts = [convert_ts(self.timestamp)] if self.timestamp else []
l = ts + [key[0], key[1]]
vlist = []
ol = dict()
desc, sample = "", ""
for cpuname in cpunames:
if cpuname in node:
cpu = node[cpuname]
if cpu[2]:
desc = cpu[2]
desc = re.sub(r"\s+", " ", desc)
if cpu[3]:
sample = cpu[3]
# ignore unit for now
vlist.append(cpu[0])
ol[cpuname] = float(cpu[0].value) if cpu[0].value else ""
else:
vlist.append(UVal("",0))
l += [ol[x] if x in ol else "" for x in cpunames]
l.append(desc)
l.append(sample)
vs = combine_uval(vlist)
if vs:
l += (vs.format_uncertainty().strip(), vs.format_mux().strip())
else:
l += ["", ""]
self.writer[self.curname].writerow(l)
self.nodes = dict()
print_footer = Output.print_footer_all
class OutputCSV(Output):
"""Output data in CSV format."""
def __init__(self, logfile, sep, args, version, cpu):
Output.__init__(self, logfile, version, cpu, args)
self.writer = dict()
if self.logfiles:
for n, f in self.logfiles.items():
self.writer[n] = csv.writer(f, delimiter=sep, lineterminator='\n')
else:
self.writer[''] = csv.writer(self.logf, delimiter=sep, lineterminator='\n')
self.args = args
self.printed_headers = set()
def print_header(self, timestamp, title):
if self.no_header:
return
if self.curname_nologf not in self.printed_headers:
l = []
if timestamp:
l.append("Timestamp")
if title:
l.append("CPUs")
self.writer[self.curname].writerow(l +
['Area', 'Value', 'Unit', 'Description',
'Sample', 'Stddev', 'Multiplex', 'Bottleneck', 'Idle'])
self.printed_headers.add(self.curname_nologf)
def show(self, timestamp, title, area, hdr, val, unit, desc, sample, bn, below, idle):
self.print_header(timestamp, title)
if self.args.no_desc:
desc = ""
desc = re.sub(r"\s+", " ", desc)
l = []
if timestamp:
l.append(convert_ts(timestamp))
if title:
l.append("CPU" + title if re.match(r'[0-9]+', title) else title)
stddev = val.format_uncertainty().strip()
multiplex = val.multiplex if not isnan(val.multiplex) else ""
self.writer[self.curname].writerow(l + [hdr, val.format_value_raw().strip(),
(unit + " " + fmt_below(below)).strip(),
desc, sample, stddev, multiplex, bn, "Y" if idle else ""])
print_footer = Output.print_footer_all
class OutputJSON(Output):
"""Output data in chrome / trace-viewer JSON format."""
def __init__(self, logfile, sep, args, version, cpu):
Output.__init__(self, logfile, version, cpu, args)
self.nodes = defaultdict(dict)
self.headers = OrderedDict()
self.count = Counter()
self.no_header = args.no_json_header
self.no_footer = args.no_json_footer
self.num = 0
def print_footer_all(self):
def write_all(s):
if self.logfiles:
for n in self.logfiles:
self.logfiles[n].write(s(n))
else:
self.logf.write(s(""))
if self.no_footer:
if self.num > 0:
write_all(lambda x: ",\n")
else:
def start(name):
n = ""
if name not in self.count:
n += "[\n"
return n + "\n]\n"
write_all(start)
print_footer = print_footer_all
def show(self, timestamp, title, area, hdr, val, unit, desc, sample, bn, below, idle):
self.timestamp = timestamp
self.nodes[title][hdr] = val
self.headers[hdr] = True
self.num += 1
def flush(self):
nodes = OrderedDict()
for hdr in self.headers:
for title in sorted(self.nodes.keys()):
if hdr not in self.nodes[title]:
continue
nd = self.nodes[title]
val = nd[hdr].value if isinstance(nd[hdr], UVal) else nd[hdr]
if title:
title += " "
if hdr in ("Frontend_Bound", "Backend_Bound", "BadSpeculation", "Retiring"): # XXX
key = title + "Level1"
if key not in nodes:
nodes[key] = dict()
nodes[title + "Level1"][hdr] = val
elif hdr.count(".") >= 1:
dot = hdr.rindex(".")
nodes[title + hdr[:dot]] = { hdr: round(val, 2) }
else: # assume it's metric
nodes[title + hdr] = {hdr: val}
for name in nodes.keys():
if self.count[self.curname] == 0:
if not self.no_header:
self.logf.write("[\n")
else:
self.logf.write(",\n")
json.dump({"name": name,
"ph": "C",
"pid": 0,
"ts": self.timestamp / 1e6 if self.timestamp and not isnan(self.timestamp) else 0,
"args": nodes[name]}, self.logf)
self.count[self.curname] += 1
self.nodes = defaultdict(dict)
self.headers = OrderedDict()
def remark(self, v):
pass