1 # perf script event handlers, generated by per 1 # perf script event handlers, generated by perf script -g python
2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com> 2 # (c) 2010, Tom Zanussi <tzanussi@gmail.com>
3 # Licensed under the terms of the GNU GPL Lice 3 # Licensed under the terms of the GNU GPL License version 2
4 # 4 #
5 # This script tests basic functionality such a 5 # This script tests basic functionality such as flag and symbol
6 # strings, common_xxx() calls back into perf, 6 # strings, common_xxx() calls back into perf, begin, end, unhandled
7 # events, etc. Basically, if this script runs 7 # events, etc. Basically, if this script runs successfully and
8 # displays expected results, Python scripting 8 # displays expected results, Python scripting support should be ok.
9 9
10 from __future__ import print_function <<
11 <<
12 import os 10 import os
13 import sys 11 import sys
14 12
15 sys.path.append(os.environ['PERF_EXEC_PATH'] + 13 sys.path.append(os.environ['PERF_EXEC_PATH'] + \
16 '/scripts/python/Perf-Trace-Util/lib/P 14 '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
17 15
18 from Core import * 16 from Core import *
19 from perf_trace_context import * 17 from perf_trace_context import *
20 18
21 unhandled = autodict() 19 unhandled = autodict()
22 20
23 def trace_begin(): 21 def trace_begin():
24 print("trace_begin") !! 22 print "trace_begin"
25 pass 23 pass
26 24
27 def trace_end(): 25 def trace_end():
28 print_unhandled() !! 26 print_unhandled()
29 27
30 def irq__softirq_entry(event_name, context, co 28 def irq__softirq_entry(event_name, context, common_cpu,
31 common_secs, common_nse !! 29 common_secs, common_nsecs, common_pid, common_comm,
32 common_callchain, vec): !! 30 common_callchain, vec):
33 print_header(event_name, common_cpu, c !! 31 print_header(event_name, common_cpu, common_secs, common_nsecs,
34 common_pid, common_comm) !! 32 common_pid, common_comm)
35 33
36 print_uncommon(context) !! 34 print_uncommon(context)
37 35
38 print("vec=%s" % (symbol_str("irq__sof !! 36 print "vec=%s\n" % \
>> 37 (symbol_str("irq__softirq_entry", "vec", vec)),
39 38
40 def kmem__kmalloc(event_name, context, common_ 39 def kmem__kmalloc(event_name, context, common_cpu,
41 common_secs, common_nsecs, c !! 40 common_secs, common_nsecs, common_pid, common_comm,
42 common_callchain, call_site, !! 41 common_callchain, call_site, ptr, bytes_req, bytes_alloc,
43 gfp_flags): !! 42 gfp_flags):
44 print_header(event_name, common_cpu, c !! 43 print_header(event_name, common_cpu, common_secs, common_nsecs,
45 common_pid, common_comm) !! 44 common_pid, common_comm)
46 45
47 print_uncommon(context) !! 46 print_uncommon(context)
48 47
49 print("call_site=%u, ptr=%u, bytes_req !! 48 print "call_site=%u, ptr=%u, bytes_req=%u, " \
50 "bytes_alloc=%u, gfp_flags=%s" !! 49 "bytes_alloc=%u, gfp_flags=%s\n" % \
51 (call_site, ptr, bytes_req, by 50 (call_site, ptr, bytes_req, bytes_alloc,
52 flag_str("kmem__kmalloc", "gfp !! 51
>> 52 flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)),
53 53
54 def trace_unhandled(event_name, context, event 54 def trace_unhandled(event_name, context, event_fields_dict):
55 try: !! 55 try:
56 unhandled[event_name] += 1 !! 56 unhandled[event_name] += 1
57 except TypeError: !! 57 except TypeError:
58 unhandled[event_name] = 1 !! 58 unhandled[event_name] = 1
59 59
60 def print_header(event_name, cpu, secs, nsecs, 60 def print_header(event_name, cpu, secs, nsecs, pid, comm):
61 print("%-20s %5u %05u.%09u %8u %-20s " !! 61 print "%-20s %5u %05u.%09u %8u %-20s " % \
62 (event_name, cpu, secs, nsecs, !! 62 (event_name, cpu, secs, nsecs, pid, comm),
63 end=' ') <<
64 63
65 # print trace fields not included in handler a 64 # print trace fields not included in handler args
66 def print_uncommon(context): 65 def print_uncommon(context):
67 print("common_preempt_count=%d, common !! 66 print "common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, " \
68 "common_lock_depth=%d, " % !! 67 % (common_pc(context), trace_flag_str(common_flags(context)), \
69 (common_pc(context), trace_fla !! 68 common_lock_depth(context))
70 common_lock_depth(context))) <<
71 69
72 def print_unhandled(): 70 def print_unhandled():
73 keys = unhandled.keys() !! 71 keys = unhandled.keys()
74 if not keys: !! 72 if not keys:
75 return !! 73 return
76 !! 74
77 print("\nunhandled events:\n") !! 75 print "\nunhandled events:\n\n",
78 !! 76
79 print("%-40s %10s" % ("event", "count !! 77 print "%-40s %10s\n" % ("event", "count"),
80 print("%-40s %10s" % ("-------------- !! 78 print "%-40s %10s\n" % ("----------------------------------------", \
81 "-----------") !! 79 "-----------"),
82 80
83 for event_name in keys: !! 81 for event_name in keys:
84 print("%-40s %10d\n" % (event !! 82 print "%-40s %10d\n" % (event_name, unhandled[event_name])
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.