1 # system call counts 1 # system call counts
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 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 syscall_name 18 from Util import syscall_name
19 19
20 usage = "perf script -s syscall-counts.py [com 20 usage = "perf script -s syscall-counts.py [comm]\n";
21 21
22 for_comm = None 22 for_comm = 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 for_comm = sys.argv[1] 28 for_comm = sys.argv[1]
29 29
30 syscalls = autodict() 30 syscalls = autodict()
31 31
32 def trace_begin(): 32 def trace_begin():
33 print("Press control+C to stop and sho 33 print("Press control+C to stop and show the summary")
34 34
35 def trace_end(): 35 def trace_end():
36 print_syscall_totals() 36 print_syscall_totals()
37 37
38 def raw_syscalls__sys_enter(event_name, contex 38 def raw_syscalls__sys_enter(event_name, context, common_cpu,
39 common_secs, common_nsecs, com 39 common_secs, common_nsecs, common_pid, common_comm,
40 common_callchain, id, args): 40 common_callchain, id, args):
41 if for_comm is not None: 41 if for_comm is not None:
42 if common_comm != for_comm: 42 if common_comm != for_comm:
43 return 43 return
44 try: 44 try:
45 syscalls[id] += 1 45 syscalls[id] += 1
46 except TypeError: 46 except TypeError:
47 syscalls[id] = 1 47 syscalls[id] = 1
48 48
49 def syscalls__sys_enter(event_name, context, c 49 def syscalls__sys_enter(event_name, context, common_cpu,
50 common_secs, common_nsecs, com 50 common_secs, common_nsecs, common_pid, common_comm, id, args):
51 raw_syscalls__sys_enter(**locals()) 51 raw_syscalls__sys_enter(**locals())
52 52
53 def print_syscall_totals(): 53 def print_syscall_totals():
54 if for_comm is not None: 54 if for_comm is not None:
55 print("\nsyscall events for %s 55 print("\nsyscall events for %s:\n" % (for_comm))
56 else: 56 else:
57 print("\nsyscall events:\n") 57 print("\nsyscall events:\n")
58 58
59 print("%-40s %10s" % ("event", "count 59 print("%-40s %10s" % ("event", "count"))
60 print("%-40s %10s" % ("-------------- 60 print("%-40s %10s" % ("----------------------------------------",
61 "-----------") 61 "-----------"))
62 62
63 for id, val in sorted(syscalls.items() 63 for id, val in sorted(syscalls.items(),
64 key = lambda kv: (kv[1 64 key = lambda kv: (kv[1], kv[0]), reverse = True):
65 print("%-40s %10d" % (syscall 65 print("%-40s %10d" % (syscall_name(id), val))
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