1 # system call counts, by pid 2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com> 3 # Licensed under the terms of the GNU GPL License version 2 4 # 5 # Displays system-wide system call totals, broken down by syscall. 6 # If a [comm] arg is specified, only syscalls called by [comm] are displayed. 7 8 import os 9 import sys 10 11 sys.path.append(os.environ['PERF_EXEC_PATH'] + \ 12 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') 13 14 from perf_trace_context import * 15 from Core import * 16 17 usage = "perf trace -s syscall-counts-by-pid.py [comm]\n"; 18 19 for_comm = None 20 21 if len(sys.argv) > 2: 22 sys.exit(usage) 23 24 if len(sys.argv) > 1: 25 for_comm = sys.argv[1] 26 27 syscalls = autodict() 28 29 def trace_begin(): 30 pass 31 32 def trace_end(): 33 print_syscall_totals() 34 35 def raw_syscalls__sys_enter(event_name, context, common_cpu, 36 common_secs, common_nsecs, common_pid, common_comm, 37 id, args): 38 if for_comm is not None: 39 if common_comm != for_comm: 40 return 41 try: 42 syscalls[common_comm][common_pid][id] += 1 43 except TypeError: 44 syscalls[common_comm][common_pid][id] = 1 45 46 def print_syscall_totals(): 47 if for_comm is not None: 48 print "\nsyscall events for %s:\n\n" % (for_comm), 49 else: 50 print "\nsyscall events by comm/pid:\n\n", 51 52 print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"), 53 print "%-40s %10s\n" % ("----------------------------------------", \ 54 "----------"), 55 56 comm_keys = syscalls.keys() 57 for comm in comm_keys: 58 pid_keys = syscalls[comm].keys() 59 for pid in pid_keys: 60 print "\n%s [%d]\n" % (comm, pid), 61 id_keys = syscalls[comm][pid].keys() 62 for id, val in sorted(syscalls[comm][pid].iteritems(), \ 63 key = lambda(k, v): (v, k), reverse = True): 64 print " %-38d %10d\n" % (id, val), 65