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:
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proc
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root
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usr
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upload
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lscgstats
#!/usr/bin/python3 import argparse, json, logging, os, re import common def validate_environment(): if not os.path.exists('/sys/fs/cgroup/cgroup.controllers'): common.fatal_error("cgroups is not v2 on this machine") if os.getuid() != 0: common.fatal_error("this program must be run as root") common.ls_ok() def init_pgm(): common.init_logging() parser = argparse.ArgumentParser(prog="lscgstats", description='LiteSpeed cgroups Statistics Program') parser.add_argument("uid", type=str, nargs='*', default=None, help="uid or user name for -user commands") parser.add_argument('-l', '--log', type=int, help='set logging level, 10=Debug, 20=Info, 30=Warning, 40=Error. Default is Info') parser.add_argument('-q', '--quiet', action='store_true', help='turns off all logging and only outputs what is requested.') args = parser.parse_args() if not args.quiet or args.log != None: if args.log != None: logging.getLogger().setLevel(args.log) else: logging.getLogger().setLevel(logging.INFO) logging.debug("Entering lscgstats") validate_environment() if args.uid == None or len(args.uid) == 0: args.uid = slice_of() users = common.get_users(args.uid, True) return users def read_stat(file, pos): try: f = open(file, 'r') except Exception as err: common.fatal_error('Error opening %s: %s' % (file, err)) line = f.readline() pieces = line.split(' ') f.close() return pieces[pos] def read_val(file): try: f = open(file, 'r') except Exception as err: common.fatal_error('Error opening %s: %s' % (file, err)) line = f.readline() f.close() return line.rstrip() def read_param_val(file, param): try: f = open(file, 'r') except Exception as err: common.fatal_error('Error opening %s: %s' % (file, err)) for line in f: pieces = line.split(' ') if pieces[0] == param: f.close() return pieces[1].rstrip() f.close() common.fatal_error('Error %s not found in %s' % (param, file)) def user_to_file(user): return 'user-%s.slice' % user.pw_uid def user_to_filename(user): if user == None: return '/sys/fs/cgroup/user.slice' return '/sys/fs/cgroup/user.slice/%s' % user_to_file(user) def slice_of(): names = os.listdir('/sys/fs/cgroup/user.slice') min_uid = common.get_min_uid() uids = [] for name in names: if name.startswith('user-'): pos = name.find('.') if pos == -1: logging.debug('%s has the right starts with but no dot' % name) continue uid = name[5:pos] else: continue if int(uid) < min_uid: logging.debug('Skip uid %d, too low (%d)' % (int(uid), min_uid)) continue logging.debug('Adding uid: %s' % uid) uids.append(uid) return uids def scrape_cpu(user): return read_param_val(user_to_filename(user) + "/cpu.stat", 'usage_usec') def scrape_io(user, block_devices): file = user_to_filename(user) + "/io.stat" try: f = open(file, 'r') except Exception as err: logging.debug('Error opening %s: %s' % (file, err)) return '0', '0' bytes = 0 ios = 0; for line in f: parm_vals = line.split(' ') maj_min = parm_vals[0].split(':') if int(maj_min[0]) in block_devices and int(maj_min[1]) in block_devices[int(maj_min[0])]: for parm_val in parm_vals: pieces = parm_val.split('=') if len(pieces) == 2: if pieces[0] == 'rbytes' or pieces[0] == 'wbytes': bytes = bytes + int(pieces[1]) elif pieces[0] == 'rios' or pieces[0] == 'wios': ios = ios + int(pieces[1]) else: logging.debug('Skip device: %s for io test for major/minor not usable' % parm_vals[0]) f.close() return str(bytes), str(ios) def scrape_mem(user): return read_val(user_to_filename(user) + "/memory.current") def scrape_tasks(user): return read_val(user_to_filename(user) + "/pids.current") def list_user(user, dict, block_devices): subdict = {} if user == None: subdict['name'] = '.' else: subdict['name'] = user.pw_name subdict['cpu'] = scrape_cpu(user) subdict['io'], subdict['iops'] = scrape_io(user, block_devices) subdict['mem'] = scrape_mem(user) subdict['tasks'] = scrape_tasks(user) if user == None: logging.debug("uid[.]: " + str(subdict)) dict['.'] = subdict else: logging.debug("uid[" + str(user.pw_uid) + ']: ' + str(subdict)) dict[user.pw_uid] = subdict def command_list(users): dict = {} block_devices = common.get_devices()[1] list_user(None, dict, block_devices) for user in users: list_user(user, dict, block_devices) print(json.dumps(dict, indent=4)) return 0 def do_pgm(users): logging.debug("Entering lscgstats") ret = command_list(users) logging.debug("Exiting lscgstats") return ret def main(): users = init_pgm() return do_pgm(users) if __name__ == "__main__": main()
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