diff options
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
-rw-r--r-- | tools/perf/scripts/python/syscall-counts-by-pid.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/syscall-counts-by-pid.py b/tools/perf/scripts/python/syscall-counts-by-pid.py new file mode 100644 index 000000000000..af722d6a4b3f --- /dev/null +++ b/tools/perf/scripts/python/syscall-counts-by-pid.py | |||
@@ -0,0 +1,64 @@ | |||
1 | # 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 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 * | ||
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_syscall_totals() | ||
34 | |||
35 | def raw_syscalls__sys_enter(event_name, context, common_cpu, | ||
36 | common_secs, common_nsecs, common_pid, common_comm, | ||
37 | id, args): | ||
38 | if for_comm is not None: | ||
39 | if common_comm != for_comm: | ||
40 | return | ||
41 | try: | ||
42 | syscalls[common_comm][common_pid][id] += 1 | ||
43 | except TypeError: | ||
44 | syscalls[common_comm][common_pid][id] = 1 | ||
45 | |||
46 | def print_syscall_totals(): | ||
47 | if for_comm is not None: | ||
48 | print "\nsyscall events for %s:\n\n" % (for_comm), | ||
49 | else: | ||
50 | print "\nsyscall events by comm/pid:\n\n", | ||
51 | |||
52 | print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"), | ||
53 | print "%-40s %10s\n" % ("----------------------------------------", \ | ||
54 | "----------"), | ||
55 | |||
56 | comm_keys = syscalls.keys() | ||
57 | for comm in comm_keys: | ||
58 | pid_keys = syscalls[comm].keys() | ||
59 | for pid in pid_keys: | ||
60 | print "\n%s [%d]\n" % (comm, pid), | ||
61 | id_keys = syscalls[comm][pid].keys() | ||
62 | for id, val in sorted(syscalls[comm][pid].iteritems(), \ | ||
63 | key = lambda(k, v): (v, k), reverse = True): | ||
64 | print " %-38d %10d\n" % (id, val), | ||