cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sctop.py (2183B)

      1# system call top
      2# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
      3# Licensed under the terms of the GNU GPL License version 2
      4#
      5# Periodically displays system-wide system call totals, broken down by
      6# syscall.  If a [comm] arg is specified, only syscalls called by
      7# [comm] are displayed. If an [interval] arg is specified, the display
      8# will be refreshed every [interval] seconds.  The default interval is
      9# 3 seconds.
     10
     11from __future__ import print_function
     12
     13import os, sys, time
     14
     15try:
     16	import thread
     17except ImportError:
     18	import _thread as thread
     19
     20sys.path.append(os.environ['PERF_EXEC_PATH'] + \
     21	'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
     22
     23from perf_trace_context import *
     24from Core import *
     25from Util import *
     26
     27usage = "perf script -s sctop.py [comm] [interval]\n";
     28
     29for_comm = None
     30default_interval = 3
     31interval = default_interval
     32
     33if len(sys.argv) > 3:
     34	sys.exit(usage)
     35
     36if len(sys.argv) > 2:
     37	for_comm = sys.argv[1]
     38	interval = int(sys.argv[2])
     39elif len(sys.argv) > 1:
     40	try:
     41		interval = int(sys.argv[1])
     42	except ValueError:
     43		for_comm = sys.argv[1]
     44		interval = default_interval
     45
     46syscalls = autodict()
     47
     48def trace_begin():
     49	thread.start_new_thread(print_syscall_totals, (interval,))
     50	pass
     51
     52def raw_syscalls__sys_enter(event_name, context, common_cpu,
     53	common_secs, common_nsecs, common_pid, common_comm,
     54	common_callchain, id, args):
     55	if for_comm is not None:
     56		if common_comm != for_comm:
     57			return
     58	try:
     59		syscalls[id] += 1
     60	except TypeError:
     61		syscalls[id] = 1
     62
     63def syscalls__sys_enter(event_name, context, common_cpu,
     64	common_secs, common_nsecs, common_pid, common_comm,
     65	id, args):
     66	raw_syscalls__sys_enter(**locals())
     67
     68def print_syscall_totals(interval):
     69	while 1:
     70		clear_term()
     71		if for_comm is not None:
     72			print("\nsyscall events for %s:\n" % (for_comm))
     73		else:
     74			print("\nsyscall events:\n")
     75
     76		print("%-40s  %10s" % ("event", "count"))
     77		print("%-40s  %10s" %
     78			("----------------------------------------",
     79			"----------"))
     80
     81		for id, val in sorted(syscalls.items(),
     82				key = lambda kv: (kv[1], kv[0]),
     83				reverse = True):
     84			try:
     85				print("%-40s  %10d" % (syscall_name(id), val))
     86			except TypeError:
     87				pass
     88		syscalls.clear()
     89		time.sleep(interval)