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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 13:20:25 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 13:20:25 -0500 |
commit | 6556a6743549defc32e5f90ee2cb1ecd833a44c3 (patch) | |
tree | 622306583d4a3c13235a8bfc012854c125c597f1 /tools/perf/scripts/python/syscall-counts.py | |
parent | e0d272429a34ff143bfa04ee8e29dd4eed2964c7 (diff) | |
parent | 1dd2980d990068e20045b90c424518cc7f3657ff (diff) |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (172 commits)
perf_event, amd: Fix spinlock initialization
perf_event: Fix preempt warning in perf_clock()
perf tools: Flush maps on COMM events
perf_events, x86: Split PMU definitions into separate files
perf annotate: Handle samples not at objdump output addr boundaries
perf_events, x86: Remove superflous MSR writes
perf_events: Simplify code by removing cpu argument to hw_perf_group_sched_in()
perf_events, x86: AMD event scheduling
perf_events: Add new start/stop PMU callbacks
perf_events: Report the MMAP pgoff value in bytes
perf annotate: Defer allocating sym_priv->hist array
perf symbols: Improve debugging information about symtab origins
perf top: Use a macro instead of a constant variable
perf symbols: Check the right return variable
perf/scripts: Tag syscall_name helper as not yet available
perf/scripts: Add perf-trace-python Documentation
perf/scripts: Remove unnecessary PyTuple resizes
perf/scripts: Add syscall tracing scripts
perf/scripts: Add Python scripting engine
perf/scripts: Remove check-perf-trace from listed scripts
...
Fix trivial conflict in tools/perf/util/probe-event.c
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
-rw-r--r-- | tools/perf/scripts/python/syscall-counts.py | 58 |
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 00000000000..f977e85ff04 --- /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 | |||
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.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[id] += 1 | ||
43 | except TypeError: | ||
44 | syscalls[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:\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), | ||