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4d161f03 TZ |
1 | # system call counts |
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 * | |
6545aaa5 | 16 | from Util import syscall_name |
4d161f03 TZ |
17 | |
18 | usage = "perf trace -s syscall-counts.py [comm]\n"; | |
19 | ||
20 | for_comm = None | |
21 | ||
22 | if len(sys.argv) > 2: | |
23 | sys.exit(usage) | |
24 | ||
25 | if len(sys.argv) > 1: | |
26 | for_comm = sys.argv[1] | |
27 | ||
28 | syscalls = autodict() | |
29 | ||
30 | def trace_begin(): | |
6545aaa5 | 31 | print "Press control+C to stop and show the summary" |
4d161f03 TZ |
32 | |
33 | def trace_end(): | |
34 | print_syscall_totals() | |
35 | ||
36 | def raw_syscalls__sys_enter(event_name, context, common_cpu, | |
37 | common_secs, common_nsecs, common_pid, common_comm, | |
38 | id, args): | |
39 | if for_comm is not None: | |
40 | if common_comm != for_comm: | |
41 | return | |
42 | try: | |
43 | syscalls[id] += 1 | |
44 | except TypeError: | |
45 | syscalls[id] = 1 | |
46 | ||
47 | def print_syscall_totals(): | |
48 | if for_comm is not None: | |
49 | print "\nsyscall events for %s:\n\n" % (for_comm), | |
50 | else: | |
51 | print "\nsyscall events:\n\n", | |
52 | ||
53 | print "%-40s %10s\n" % ("event", "count"), | |
54 | print "%-40s %10s\n" % ("----------------------------------------", \ | |
55 | "-----------"), | |
56 | ||
57 | for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ | |
58 | reverse = True): | |
6545aaa5 | 59 | print "%-40s %10d\n" % (syscall_name(id), val), |