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authorMichal Marek <mmarek@suse.cz>2010-10-27 18:15:57 -0400
committerMichal Marek <mmarek@suse.cz>2010-10-27 18:15:57 -0400
commitb74b953b998bcc2db91b694446f3a2619ec32de6 (patch)
tree6ce24caabd730f6ae9287ed0676ec32e6ff31e9d /tools/perf/scripts/python/syscall-counts.py
parentabb438526201c6a79949ad45375c051b6681c253 (diff)
parentf6f94e2ab1b33f0082ac22d71f66385a60d8157f (diff)
Merge commit 'v2.6.36' into kbuild/misc
Update to be able to fix a recent change to scripts/basic/docproc.c (commit eda603f).
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
-rw-r--r--tools/perf/scripts/python/syscall-counts.py58
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/syscall-counts.py b/tools/perf/scripts/python/syscall-counts.py
new file mode 100644
index 000000000000..f977e85ff049
--- /dev/null
+++ b/tools/perf/scripts/python/syscall-counts.py
@@ -0,0 +1,58 @@
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
8import os
9import sys
10
11sys.path.append(os.environ['PERF_EXEC_PATH'] + \
12 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
13
14from perf_trace_context import *
15from Core import *
16
17usage = "perf trace -s syscall-counts.py [comm]\n";
18
19for_comm = None
20
21if len(sys.argv) > 2:
22 sys.exit(usage)
23
24if len(sys.argv) > 1:
25 for_comm = sys.argv[1]
26
27syscalls = autodict()
28
29def trace_begin():
30 pass
31
32def trace_end():
33 print_syscall_totals()
34
35def 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[id] += 1
43 except TypeError:
44 syscalls[id] = 1
45
46def 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:\n\n",
51
52 print "%-40s %10s\n" % ("event", "count"),
53 print "%-40s %10s\n" % ("----------------------------------------", \
54 "-----------"),
55
56 for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \
57 reverse = True):
58 print "%-40d %10d\n" % (id, val),