1 # failed system call counts, by pid 1 # failed system call counts, by pid
2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com> 2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com>
3 # Licensed under the terms of the GNU GPL Lice 3 # Licensed under the terms of the GNU GPL License version 2
4 # 4 #
5 # Displays system-wide failed system call tota 5 # Displays system-wide failed system call totals, broken down by pid.
6 # If a [comm] arg is specified, only syscalls 6 # If a [comm] arg is specified, only syscalls called by [comm] are displayed.
7 7
8 from __future__ import print_function 8 from __future__ import print_function
9 9
10 import os 10 import os
11 import sys 11 import sys
12 12
13 sys.path.append(os.environ['PERF_EXEC_PATH'] + 13 sys.path.append(os.environ['PERF_EXEC_PATH'] + \
14 '/scripts/python/Perf-Trace-Util/lib/P 14 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
15 15
16 from perf_trace_context import * 16 from perf_trace_context import *
17 from Core import * 17 from Core import *
18 from Util import * 18 from Util import *
19 19
20 usage = "perf script -s syscall-counts-by-pid. 20 usage = "perf script -s syscall-counts-by-pid.py [comm|pid]\n";
21 21
22 for_comm = None 22 for_comm = None
23 for_pid = None 23 for_pid = None
24 24
25 if len(sys.argv) > 2: 25 if len(sys.argv) > 2:
26 sys.exit(usage) 26 sys.exit(usage)
27 27
28 if len(sys.argv) > 1: 28 if len(sys.argv) > 1:
29 try: 29 try:
30 for_pid = int(sys.argv[1]) 30 for_pid = int(sys.argv[1])
31 except: 31 except:
32 for_comm = sys.argv[1] 32 for_comm = sys.argv[1]
33 33
34 syscalls = autodict() 34 syscalls = autodict()
35 35
36 def trace_begin(): 36 def trace_begin():
37 print("Press control+C to stop and sho 37 print("Press control+C to stop and show the summary")
38 38
39 def trace_end(): 39 def trace_end():
40 print_error_totals() 40 print_error_totals()
41 41
42 def raw_syscalls__sys_exit(event_name, context 42 def raw_syscalls__sys_exit(event_name, context, common_cpu,
43 common_secs, common_nsecs, common_pid, 43 common_secs, common_nsecs, common_pid, common_comm,
44 common_callchain, id, ret): 44 common_callchain, id, ret):
45 if (for_comm and common_comm != for_co 45 if (for_comm and common_comm != for_comm) or \
46 (for_pid and common_pid != for_pi 46 (for_pid and common_pid != for_pid ):
47 return 47 return
48 48
49 if ret < 0: 49 if ret < 0:
50 try: 50 try:
51 syscalls[common_comm][ 51 syscalls[common_comm][common_pid][id][ret] += 1
52 except TypeError: 52 except TypeError:
53 syscalls[common_comm][ 53 syscalls[common_comm][common_pid][id][ret] = 1
54 54
55 def syscalls__sys_exit(event_name, context, co 55 def syscalls__sys_exit(event_name, context, common_cpu,
56 common_secs, common_nsecs, common_pid, 56 common_secs, common_nsecs, common_pid, common_comm,
57 id, ret): 57 id, ret):
58 raw_syscalls__sys_exit(**locals()) 58 raw_syscalls__sys_exit(**locals())
59 59
60 def print_error_totals(): 60 def print_error_totals():
61 if for_comm is not None: 61 if for_comm is not None:
62 print("\nsyscall errors for %s 62 print("\nsyscall errors for %s:\n" % (for_comm))
63 else: 63 else:
64 print("\nsyscall errors:\n") 64 print("\nsyscall errors:\n")
65 65
66 print("%-30s %10s" % ("comm [pid]", " 66 print("%-30s %10s" % ("comm [pid]", "count"))
67 print("%-30s %10s" % ("-------------- 67 print("%-30s %10s" % ("------------------------------", "----------"))
68 68
69 comm_keys = syscalls.keys() 69 comm_keys = syscalls.keys()
70 for comm in comm_keys: 70 for comm in comm_keys:
71 pid_keys = syscalls[comm].keys 71 pid_keys = syscalls[comm].keys()
72 for pid in pid_keys: 72 for pid in pid_keys:
73 print("\n%s [%d]" % (c 73 print("\n%s [%d]" % (comm, pid))
74 id_keys = syscalls[com 74 id_keys = syscalls[comm][pid].keys()
75 for id in id_keys: 75 for id in id_keys:
76 print(" sysca 76 print(" syscall: %-16s" % syscall_name(id))
77 ret_keys = sys 77 ret_keys = syscalls[comm][pid][id].keys()
78 for ret, val i 78 for ret, val in sorted(syscalls[comm][pid][id].items(), key = lambda kv: (kv[1], kv[0]), reverse = True):
79 print( 79 print(" err = %-20s %10d" % (strerror(ret), val))
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