Skip to content
Permalink
master
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
executable file 330 lines (300 sloc) 11.5 KB
#!/usr/bin/env python3
# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Print detailed information about a process.
Author: Giampaolo Rodola' <g.rodola@gmail.com>
$ python3 scripts/procinfo.py
pid 4600
name chrome
parent 4554 (bash)
exe /opt/google/chrome/chrome
cwd /home/giampaolo
cmdline /opt/google/chrome/chrome
started 2016-09-19 11:12
cpu-tspent 27:27.68
cpu-times user=8914.32, system=3530.59,
children_user=1.46, children_system=1.31
cpu-affinity [0, 1, 2, 3, 4, 5, 6, 7]
memory rss=520.5M, vms=1.9G, shared=132.6M, text=95.0M, lib=0B,
data=816.5M, dirty=0B
memory % 3.26
user giampaolo
uids real=1000, effective=1000, saved=1000
uids real=1000, effective=1000, saved=1000
terminal /dev/pts/2
status sleeping
nice 0
ionice class=IOPriority.IOPRIO_CLASS_NONE, value=0
num-threads 47
num-fds 379
I/O read_count=96.6M, write_count=80.7M,
read_bytes=293.2M, write_bytes=24.5G
ctx-switches voluntary=30426463, involuntary=460108
children PID NAME
4605 cat
4606 cat
4609 chrome
4669 chrome
open-files PATH
/opt/google/chrome/icudtl.dat
/opt/google/chrome/snapshot_blob.bin
/opt/google/chrome/natives_blob.bin
/opt/google/chrome/chrome_100_percent.pak
[...]
connections PROTO LOCAL ADDR REMOTE ADDR STATUS
UDP 10.0.0.3:3693 *:* NONE
TCP 10.0.0.3:55102 172.217.22.14:443 ESTABLISHED
UDP 10.0.0.3:35172 *:* NONE
TCP 10.0.0.3:32922 172.217.16.163:443 ESTABLISHED
UDP :::5353 *:* NONE
UDP 10.0.0.3:59925 *:* NONE
threads TID USER SYSTEM
11795 0.7 1.35
11796 0.68 1.37
15887 0.74 0.03
19055 0.77 0.01
[...]
total=47
res-limits RLIMIT SOFT HARD
virtualmem infinity infinity
coredumpsize 0 infinity
cputime infinity infinity
datasize infinity infinity
filesize infinity infinity
locks infinity infinity
memlock 65536 65536
msgqueue 819200 819200
nice 0 0
openfiles 8192 65536
maxprocesses 63304 63304
rss infinity infinity
realtimeprio 0 0
rtimesched infinity infinity
sigspending 63304 63304
stack 8388608 infinity
mem-maps RSS PATH
381.4M [anon]
62.8M /opt/google/chrome/chrome
15.8M /home/giampaolo/.config/google-chrome/Default/History
6.6M /home/giampaolo/.config/google-chrome/Default/Favicons
[...]
"""
import argparse
import datetime
import socket
import sys
import psutil
from psutil._common import bytes2human
ACCESS_DENIED = ''
NON_VERBOSE_ITERATIONS = 4
RLIMITS_MAP = {
"RLIMIT_AS": "virtualmem",
"RLIMIT_CORE": "coredumpsize",
"RLIMIT_CPU": "cputime",
"RLIMIT_DATA": "datasize",
"RLIMIT_FSIZE": "filesize",
"RLIMIT_MEMLOCK": "memlock",
"RLIMIT_MSGQUEUE": "msgqueue",
"RLIMIT_NICE": "nice",
"RLIMIT_NOFILE": "openfiles",
"RLIMIT_NPROC": "maxprocesses",
"RLIMIT_NPTS": "pseudoterms",
"RLIMIT_RSS": "rss",
"RLIMIT_RTPRIO": "realtimeprio",
"RLIMIT_RTTIME": "rtimesched",
"RLIMIT_SBSIZE": "sockbufsize",
"RLIMIT_SIGPENDING": "sigspending",
"RLIMIT_STACK": "stack",
"RLIMIT_SWAP": "swapuse",
}
def print_(a, b):
if sys.stdout.isatty() and psutil.POSIX:
fmt = '\x1b[1;32m%-13s\x1b[0m %s' % (a, b)
else:
fmt = '%-11s %s' % (a, b)
print(fmt)
def str_ntuple(nt, convert_bytes=False):
if nt == ACCESS_DENIED:
return ""
if not convert_bytes:
return ", ".join(["%s=%s" % (x, getattr(nt, x)) for x in nt._fields])
else:
return ", ".join(["%s=%s" % (x, bytes2human(getattr(nt, x)))
for x in nt._fields])
def run(pid, verbose=False):
try:
proc = psutil.Process(pid)
pinfo = proc.as_dict(ad_value=ACCESS_DENIED)
except psutil.NoSuchProcess as err:
sys.exit(str(err))
# collect other proc info
with proc.oneshot():
try:
parent = proc.parent()
if parent:
parent = '(%s)' % parent.name()
else:
parent = ''
except psutil.Error:
parent = ''
try:
pinfo['children'] = proc.children()
except psutil.Error:
pinfo['children'] = []
if pinfo['create_time']:
started = datetime.datetime.fromtimestamp(
pinfo['create_time']).strftime('%Y-%m-%d %H:%M')
else:
started = ACCESS_DENIED
# here we go
print_('pid', pinfo['pid'])
print_('name', pinfo['name'])
print_('parent', '%s %s' % (pinfo['ppid'], parent))
print_('exe', pinfo['exe'])
print_('cwd', pinfo['cwd'])
print_('cmdline', ' '.join(pinfo['cmdline']))
print_('started', started)
cpu_tot_time = datetime.timedelta(seconds=sum(pinfo['cpu_times']))
cpu_tot_time = "%s:%s.%s" % (
cpu_tot_time.seconds // 60 % 60,
str((cpu_tot_time.seconds % 60)).zfill(2),
str(cpu_tot_time.microseconds)[:2])
print_('cpu-tspent', cpu_tot_time)
print_('cpu-times', str_ntuple(pinfo['cpu_times']))
if hasattr(proc, "cpu_affinity"):
print_("cpu-affinity", pinfo["cpu_affinity"])
if hasattr(proc, "cpu_num"):
print_("cpu-num", pinfo["cpu_num"])
print_('memory', str_ntuple(pinfo['memory_info'], convert_bytes=True))
print_('memory %', round(pinfo['memory_percent'], 2))
print_('user', pinfo['username'])
if psutil.POSIX:
print_('uids', str_ntuple(pinfo['uids']))
if psutil.POSIX:
print_('uids', str_ntuple(pinfo['uids']))
if psutil.POSIX:
print_('terminal', pinfo['terminal'] or '')
print_('status', pinfo['status'])
print_('nice', pinfo['nice'])
if hasattr(proc, "ionice"):
try:
ionice = proc.ionice()
except psutil.Error:
pass
else:
if psutil.WINDOWS:
print_("ionice", ionice)
else:
print_("ionice", "class=%s, value=%s" % (
str(ionice.ioclass), ionice.value))
print_('num-threads', pinfo['num_threads'])
if psutil.POSIX:
print_('num-fds', pinfo['num_fds'])
if psutil.WINDOWS:
print_('num-handles', pinfo['num_handles'])
if 'io_counters' in pinfo:
print_('I/O', str_ntuple(pinfo['io_counters'], convert_bytes=True))
if 'num_ctx_switches' in pinfo:
print_("ctx-switches", str_ntuple(pinfo['num_ctx_switches']))
if pinfo['children']:
template = "%-6s %s"
print_("children", template % ("PID", "NAME"))
for child in pinfo['children']:
try:
print_('', template % (child.pid, child.name()))
except psutil.AccessDenied:
print_('', template % (child.pid, ""))
except psutil.NoSuchProcess:
pass
if pinfo['open_files']:
print_('open-files', 'PATH')
for i, file in enumerate(pinfo['open_files']):
if not verbose and i >= NON_VERBOSE_ITERATIONS:
print_("", "[...]")
break
print_('', file.path)
else:
print_('open-files', '')
if pinfo['connections']:
template = '%-5s %-25s %-25s %s'
print_('connections',
template % ('PROTO', 'LOCAL ADDR', 'REMOTE ADDR', 'STATUS'))
for conn in pinfo['connections']:
if conn.type == socket.SOCK_STREAM:
type = 'TCP'
elif conn.type == socket.SOCK_DGRAM:
type = 'UDP'
else:
type = 'UNIX'
lip, lport = conn.laddr
if not conn.raddr:
rip, rport = '*', '*'
else:
rip, rport = conn.raddr
print_('', template % (
type,
"%s:%s" % (lip, lport),
"%s:%s" % (rip, rport),
conn.status))
else:
print_('connections', '')
if pinfo['threads'] and len(pinfo['threads']) > 1:
template = "%-5s %12s %12s"
print_('threads', template % ("TID", "USER", "SYSTEM"))
for i, thread in enumerate(pinfo['threads']):
if not verbose and i >= NON_VERBOSE_ITERATIONS:
print_("", "[...]")
break
print_('', template % thread)
print_('', "total=%s" % len(pinfo['threads']))
else:
print_('threads', '')
if hasattr(proc, "rlimit"):
res_names = [x for x in dir(psutil) if x.startswith("RLIMIT")]
resources = []
for res_name in res_names:
try:
soft, hard = proc.rlimit(getattr(psutil, res_name))
except psutil.AccessDenied:
pass
else:
resources.append((res_name, soft, hard))
if resources:
template = "%-12s %15s %15s"
print_("res-limits", template % ("RLIMIT", "SOFT", "HARD"))
for res_name, soft, hard in resources:
if soft == psutil.RLIM_INFINITY:
soft = "infinity"
if hard == psutil.RLIM_INFINITY:
hard = "infinity"
print_('', template % (
RLIMITS_MAP.get(res_name, res_name), soft, hard))
if hasattr(proc, "environ") and pinfo['environ']:
template = "%-25s %s"
print_("environ", template % ("NAME", "VALUE"))
for i, k in enumerate(sorted(pinfo['environ'])):
if not verbose and i >= NON_VERBOSE_ITERATIONS:
print_("", "[...]")
break
print_("", template % (k, pinfo['environ'][k]))
if pinfo.get('memory_maps', None):
template = "%-8s %s"
print_("mem-maps", template % ("RSS", "PATH"))
maps = sorted(pinfo['memory_maps'], key=lambda x: x.rss, reverse=True)
for i, region in enumerate(maps):
if not verbose and i >= NON_VERBOSE_ITERATIONS:
print_("", "[...]")
break
print_("", template % (bytes2human(region.rss), region.path))
def main(argv=None):
parser = argparse.ArgumentParser(
description="print information about a process")
parser.add_argument("pid", type=int, help="process pid", nargs='?')
parser.add_argument('--verbose', '-v', action='store_true',
help="print more info")
args = parser.parse_args()
run(args.pid, args.verbose)
if __name__ == '__main__':
sys.exit(main())