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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:20:25 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:20:25 -0500
commit6556a6743549defc32e5f90ee2cb1ecd833a44c3 (patch)
tree622306583d4a3c13235a8bfc012854c125c597f1 /tools/perf/scripts/python/check-perf-trace.py
parente0d272429a34ff143bfa04ee8e29dd4eed2964c7 (diff)
parent1dd2980d990068e20045b90c424518cc7f3657ff (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/check-perf-trace.py')
-rw-r--r--tools/perf/scripts/python/check-perf-trace.py83
1 files changed, 83 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/check-perf-trace.py b/tools/perf/scripts/python/check-perf-trace.py
new file mode 100644
index 000000000000..964d934395ff
--- /dev/null
+++ b/tools/perf/scripts/python/check-perf-trace.py
@@ -0,0 +1,83 @@
1# perf trace event handlers, generated by perf trace -g python
2# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
3# Licensed under the terms of the GNU GPL License version 2
4#
5# This script tests basic functionality such as flag and symbol
6# strings, common_xxx() calls back into perf, begin, end, unhandled
7# events, etc. Basically, if this script runs successfully and
8# displays expected results, Python scripting support should be ok.
9
10import os
11import sys
12
13sys.path.append(os.environ['PERF_EXEC_PATH'] + \
14 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
15
16from Core import *
17from perf_trace_context import *
18
19unhandled = autodict()
20
21def trace_begin():
22 print "trace_begin"
23 pass
24
25def trace_end():
26 print_unhandled()
27
28def irq__softirq_entry(event_name, context, common_cpu,
29 common_secs, common_nsecs, common_pid, common_comm,
30 vec):
31 print_header(event_name, common_cpu, common_secs, common_nsecs,
32 common_pid, common_comm)
33
34 print_uncommon(context)
35
36 print "vec=%s\n" % \
37 (symbol_str("irq__softirq_entry", "vec", vec)),
38
39def kmem__kmalloc(event_name, context, common_cpu,
40 common_secs, common_nsecs, common_pid, common_comm,
41 call_site, ptr, bytes_req, bytes_alloc,
42 gfp_flags):
43 print_header(event_name, common_cpu, common_secs, common_nsecs,
44 common_pid, common_comm)
45
46 print_uncommon(context)
47
48 print "call_site=%u, ptr=%u, bytes_req=%u, " \
49 "bytes_alloc=%u, gfp_flags=%s\n" % \
50 (call_site, ptr, bytes_req, bytes_alloc,
51
52 flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)),
53
54def trace_unhandled(event_name, context, common_cpu, common_secs, common_nsecs,
55 common_pid, common_comm):
56 try:
57 unhandled[event_name] += 1
58 except TypeError:
59 unhandled[event_name] = 1
60
61def print_header(event_name, cpu, secs, nsecs, pid, comm):
62 print "%-20s %5u %05u.%09u %8u %-20s " % \
63 (event_name, cpu, secs, nsecs, pid, comm),
64
65# print trace fields not included in handler args
66def print_uncommon(context):
67 print "common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, " \
68 % (common_pc(context), trace_flag_str(common_flags(context)), \
69 common_lock_depth(context))
70
71def print_unhandled():
72 keys = unhandled.keys()
73 if not keys:
74 return
75
76 print "\nunhandled events:\n\n",
77
78 print "%-40s %10s\n" % ("event", "count"),
79 print "%-40s %10s\n" % ("----------------------------------------", \
80 "-----------"),
81
82 for event_name in keys:
83 print "%-40s %10d\n" % (event_name, unhandled[event_name])