1 # system call counts, by pid 1 # 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 system call totals, bro 5 # Displays system-wide system call totals, broken down by syscall.
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, sys 10 import os, sys
11 11
12 sys.path.append(os.environ['PERF_EXEC_PATH'] + 12 sys.path.append(os.environ['PERF_EXEC_PATH'] + \
13 '/scripts/python/Perf-Trace-Util/lib/P 13 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
14 14
15 from perf_trace_context import * 15 from perf_trace_context import *
16 from Core import * 16 from Core import *
17 from Util import syscall_name 17 from Util import syscall_name
18 18
19 usage = "perf script -s syscall-counts-by-pid. 19 usage = "perf script -s syscall-counts-by-pid.py [comm]\n";
20 20
21 for_comm = None 21 for_comm = None
22 for_pid = None 22 for_pid = None
23 23
24 if len(sys.argv) > 2: 24 if len(sys.argv) > 2:
25 sys.exit(usage) 25 sys.exit(usage)
26 26
27 if len(sys.argv) > 1: 27 if len(sys.argv) > 1:
28 try: 28 try:
29 for_pid = int(sys.argv[1]) 29 for_pid = int(sys.argv[1])
30 except: 30 except:
31 for_comm = sys.argv[1] 31 for_comm = sys.argv[1]
32 32
33 syscalls = autodict() 33 syscalls = autodict()
34 34
35 def trace_begin(): 35 def trace_begin():
36 print("Press control+C to stop and sho 36 print("Press control+C to stop and show the summary")
37 37
38 def trace_end(): 38 def trace_end():
39 print_syscall_totals() 39 print_syscall_totals()
40 40
41 def raw_syscalls__sys_enter(event_name, contex 41 def raw_syscalls__sys_enter(event_name, context, common_cpu,
42 common_secs, common_nsecs, com 42 common_secs, common_nsecs, common_pid, common_comm,
43 common_callchain, id, args): 43 common_callchain, id, args):
44 if (for_comm and common_comm != for_co 44 if (for_comm and common_comm != for_comm) or \
45 (for_pid and common_pid != for 45 (for_pid and common_pid != for_pid ):
46 return 46 return
47 try: 47 try:
48 syscalls[common_comm][common_p 48 syscalls[common_comm][common_pid][id] += 1
49 except TypeError: 49 except TypeError:
50 syscalls[common_comm][common_p 50 syscalls[common_comm][common_pid][id] = 1
51 51
52 def syscalls__sys_enter(event_name, context, c 52 def syscalls__sys_enter(event_name, context, common_cpu,
53 common_secs, common_nsecs, com 53 common_secs, common_nsecs, common_pid, common_comm,
54 id, args): 54 id, args):
55 raw_syscalls__sys_enter(**locals()) 55 raw_syscalls__sys_enter(**locals())
56 56
57 def print_syscall_totals(): 57 def print_syscall_totals():
58 if for_comm is not None: 58 if for_comm is not None:
59 print("\nsyscall events for %s 59 print("\nsyscall events for %s:\n" % (for_comm))
60 else: 60 else:
61 print("\nsyscall events by com 61 print("\nsyscall events by comm/pid:\n")
62 62
63 print("%-40s %10s" % ("comm [pid]/sys 63 print("%-40s %10s" % ("comm [pid]/syscalls", "count"))
64 print("%-40s %10s" % ("-------------- 64 print("%-40s %10s" % ("----------------------------------------",
65 "----------")) 65 "----------"))
66 66
67 comm_keys = syscalls.keys() 67 comm_keys = syscalls.keys()
68 for comm in comm_keys: 68 for comm in comm_keys:
69 pid_keys = syscalls[comm].keys 69 pid_keys = syscalls[comm].keys()
70 for pid in pid_keys: 70 for pid in pid_keys:
71 print("\n%s [%d]" % (c 71 print("\n%s [%d]" % (comm, pid))
72 id_keys = syscalls[com 72 id_keys = syscalls[comm][pid].keys()
73 for id, val in sorted( 73 for id, val in sorted(syscalls[comm][pid].items(),
74 key = lambda k 74 key = lambda kv: (kv[1], kv[0]), reverse = True):
75 print(" %-38s 75 print(" %-38s %10d" % (syscall_name(id), val))
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.