| Tom Zanussi | 4d161f0 | 2010-01-27 02:27:58 -0600 | [diff] [blame] | 1 | # failed 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 failed system call totals, broken down by pid. | 
 | 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_error_totals() | 
 | 34 |  | 
 | 35 | def raw_syscalls__sys_exit(event_name, context, common_cpu, | 
 | 36 | 	common_secs, common_nsecs, common_pid, common_comm, | 
 | 37 | 	id, ret): | 
 | 38 | 	if for_comm is not None: | 
 | 39 | 		if common_comm != for_comm: | 
 | 40 | 			return | 
 | 41 |  | 
 | 42 | 	if ret < 0: | 
 | 43 | 		try: | 
 | 44 | 			syscalls[common_comm][common_pid][id][ret] += 1 | 
 | 45 | 		except TypeError: | 
 | 46 | 			syscalls[common_comm][common_pid][id][ret] = 1 | 
 | 47 |  | 
 | 48 | def print_error_totals(): | 
 | 49 |     if for_comm is not None: | 
 | 50 | 	    print "\nsyscall errors for %s:\n\n" % (for_comm), | 
 | 51 |     else: | 
 | 52 | 	    print "\nsyscall errors:\n\n", | 
 | 53 |  | 
 | 54 |     print "%-30s  %10s\n" % ("comm [pid]", "count"), | 
 | 55 |     print "%-30s  %10s\n" % ("------------------------------", \ | 
 | 56 |                                  "----------"), | 
 | 57 |  | 
 | 58 |     comm_keys = syscalls.keys() | 
 | 59 |     for comm in comm_keys: | 
 | 60 | 	    pid_keys = syscalls[comm].keys() | 
 | 61 | 	    for pid in pid_keys: | 
 | 62 | 		    print "\n%s [%d]\n" % (comm, pid), | 
 | 63 | 		    id_keys = syscalls[comm][pid].keys() | 
 | 64 | 		    for id in id_keys: | 
 | 65 | 			    print "  syscall: %-16d\n" % (id), | 
 | 66 | 			    ret_keys = syscalls[comm][pid][id].keys() | 
 | 67 | 			    for ret, val in sorted(syscalls[comm][pid][id].iteritems(), key = lambda(k, v): (v, k),  reverse = True): | 
 | 68 | 				    print "    err = %-20d  %10d\n" % (ret, val), |