147902f36STom Zanussi# system call top 247902f36STom Zanussi# (c) 2010, Tom Zanussi <[email protected]> 347902f36STom Zanussi# Licensed under the terms of the GNU GPL License version 2 447902f36STom Zanussi# 547902f36STom Zanussi# Periodically displays system-wide system call totals, broken down by 647902f36STom Zanussi# syscall. If a [comm] arg is specified, only syscalls called by 747902f36STom Zanussi# [comm] are displayed. If an [interval] arg is specified, the display 847902f36STom Zanussi# will be refreshed every [interval] seconds. The default interval is 947902f36STom Zanussi# 3 seconds. 1047902f36STom Zanussi 11*2e7d1e3fSArnaldo Carvalho de Meloimport os, sys, thread, time 1247902f36STom Zanussi 1347902f36STom Zanussisys.path.append(os.environ['PERF_EXEC_PATH'] + \ 1447902f36STom Zanussi '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') 1547902f36STom Zanussi 1647902f36STom Zanussifrom perf_trace_context import * 1747902f36STom Zanussifrom Core import * 1847902f36STom Zanussifrom Util import * 1947902f36STom Zanussi 2047902f36STom Zanussiusage = "perf trace -s syscall-counts.py [comm] [interval]\n"; 2147902f36STom Zanussi 2247902f36STom Zanussifor_comm = None 2347902f36STom Zanussidefault_interval = 3 2447902f36STom Zanussiinterval = default_interval 2547902f36STom Zanussi 2647902f36STom Zanussiif len(sys.argv) > 3: 2747902f36STom Zanussi sys.exit(usage) 2847902f36STom Zanussi 2947902f36STom Zanussiif len(sys.argv) > 2: 3047902f36STom Zanussi for_comm = sys.argv[1] 3147902f36STom Zanussi interval = int(sys.argv[2]) 3247902f36STom Zanussielif len(sys.argv) > 1: 3347902f36STom Zanussi try: 3447902f36STom Zanussi interval = int(sys.argv[1]) 3547902f36STom Zanussi except ValueError: 3647902f36STom Zanussi for_comm = sys.argv[1] 3747902f36STom Zanussi interval = default_interval 3847902f36STom Zanussi 3947902f36STom Zanussisyscalls = autodict() 4047902f36STom Zanussi 4147902f36STom Zanussidef trace_begin(): 4247902f36STom Zanussi thread.start_new_thread(print_syscall_totals, (interval,)) 4347902f36STom Zanussi pass 4447902f36STom Zanussi 4547902f36STom Zanussidef raw_syscalls__sys_enter(event_name, context, common_cpu, 4647902f36STom Zanussi common_secs, common_nsecs, common_pid, common_comm, 4747902f36STom Zanussi id, args): 4847902f36STom Zanussi if for_comm is not None: 4947902f36STom Zanussi if common_comm != for_comm: 5047902f36STom Zanussi return 5147902f36STom Zanussi try: 5247902f36STom Zanussi syscalls[id] += 1 5347902f36STom Zanussi except TypeError: 5447902f36STom Zanussi syscalls[id] = 1 5547902f36STom Zanussi 5647902f36STom Zanussidef print_syscall_totals(interval): 5747902f36STom Zanussi while 1: 5847902f36STom Zanussi clear_term() 5947902f36STom Zanussi if for_comm is not None: 6047902f36STom Zanussi print "\nsyscall events for %s:\n\n" % (for_comm), 6147902f36STom Zanussi else: 6247902f36STom Zanussi print "\nsyscall events:\n\n", 6347902f36STom Zanussi 6447902f36STom Zanussi print "%-40s %10s\n" % ("event", "count"), 6547902f36STom Zanussi print "%-40s %10s\n" % ("----------------------------------------", \ 6647902f36STom Zanussi "----------"), 6747902f36STom Zanussi 6847902f36STom Zanussi for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ 6947902f36STom Zanussi reverse = True): 7047902f36STom Zanussi try: 71*2e7d1e3fSArnaldo Carvalho de Melo print "%-40s %10d\n" % (syscall_name(id), val), 7247902f36STom Zanussi except TypeError: 7347902f36STom Zanussi pass 7447902f36STom Zanussi syscalls.clear() 7547902f36STom Zanussi time.sleep(interval) 76