# system call counts# (c) 2010, Tom Zanussi <tzanussi@gmail.com># Licensed under the terms of the GNU GPL License version 2## Displays system-wide system call totals, broken down by syscall.# If a [comm] arg is specified, only syscalls called by [comm] are displayed. import osimport sys sys.path.append(os.environ['PERF_EXEC_PATH'] + \	'/scripts/python/Perf-Trace-Util/lib/Perf/Trace') from perf_trace_context import *from Core import * usage = "perf trace -s syscall-counts.py [comm]\n"; for_comm = None if len(sys.argv) > 2:	sys.exit(usage) if len(sys.argv) > 1:	for_comm = sys.argv[1] syscalls = autodict() def trace_begin():	pass def trace_end():	print_syscall_totals() def raw_syscalls__sys_enter(event_name, context, common_cpu,	common_secs, common_nsecs, common_pid, common_comm,	id, args):	if for_comm is not None:		if common_comm != for_comm:			return	try:		syscalls[id] += 1	except TypeError:		syscalls[id] = 1 def print_syscall_totals():    if for_comm is not None:	    print "\nsyscall events for %s:\n\n" % (for_comm),    else:	    print "\nsyscall events:\n\n",     print "%-40s  %10s\n" % ("event", "count"),    print "%-40s  %10s\n" % ("----------------------------------------", \                                 "-----------"),     for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \				  reverse = True):	    print "%-40d  %10d\n" % (id, val),