1# perf script event handlers, generated by perf script -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, event_fields_dict):
55    try:
56        unhandled[event_name] += 1
57    except TypeError:
58        unhandled[event_name] = 1
59
60def print_header(event_name, cpu, secs, nsecs, pid, comm):
61	print "%-20s %5u %05u.%09u %8u %-20s " % \
62	(event_name, cpu, secs, nsecs, pid, comm),
 
63
64# print trace fields not included in handler args
65def print_uncommon(context):
66    print "common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, " \
67        % (common_pc(context), trace_flag_str(common_flags(context)), \
68               common_lock_depth(context))
 
69
70def print_unhandled():
71    keys = unhandled.keys()
72    if not keys:
73        return
74
75    print "\nunhandled events:\n\n",
76
77    print "%-40s  %10s\n" % ("event", "count"),
78    print "%-40s  %10s\n" % ("----------------------------------------", \
79                                 "-----------"),
80
81    for event_name in keys:
82	print "%-40s  %10d\n" % (event_name, unhandled[event_name])

 1# perf script event handlers, generated by perf script -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
10from __future__ import print_function
11
12import os
13import sys
14
15sys.path.append(os.environ['PERF_EXEC_PATH'] + \
16	'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
17
18from Core import *
19from perf_trace_context import *
20
21unhandled = autodict()
22
23def trace_begin():
24	print("trace_begin")
25	pass
26
27def trace_end():
28	print_unhandled()
29
30def irq__softirq_entry(event_name, context, common_cpu,
31		       common_secs, common_nsecs, common_pid, common_comm,
32		       common_callchain, vec):
33	print_header(event_name, common_cpu, common_secs, common_nsecs,
34		common_pid, common_comm)
35
36	print_uncommon(context)
37
38	print("vec=%s" % (symbol_str("irq__softirq_entry", "vec", vec)))
 
39
40def kmem__kmalloc(event_name, context, common_cpu,
41		  common_secs, common_nsecs, common_pid, common_comm,
42		  common_callchain, call_site, ptr, bytes_req, bytes_alloc,
43		  gfp_flags):
44	print_header(event_name, common_cpu, common_secs, common_nsecs,
45		common_pid, common_comm)
46
47	print_uncommon(context)
48
49	print("call_site=%u, ptr=%u, bytes_req=%u, "
50		"bytes_alloc=%u, gfp_flags=%s" %
51		(call_site, ptr, bytes_req, bytes_alloc,
52		flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)))
 
53
54def trace_unhandled(event_name, context, event_fields_dict):
55	try:
56		unhandled[event_name] += 1
57	except TypeError:
58		unhandled[event_name] = 1
59
60def print_header(event_name, cpu, secs, nsecs, pid, comm):
61	print("%-20s %5u %05u.%09u %8u %-20s " %
62		(event_name, cpu, secs, nsecs, pid, comm),
63		end=' ')
64
65# print trace fields not included in handler args
66def print_uncommon(context):
67	print("common_preempt_count=%d, common_flags=%s, "
68		"common_lock_depth=%d, " %
69		(common_pc(context), trace_flag_str(common_flags(context)),
70		common_lock_depth(context)))
71
72def print_unhandled():
73	keys = unhandled.keys()
74	if not keys:
75		return
76
77	print("\nunhandled events:\n")
78
79	print("%-40s  %10s" % ("event", "count"))
80	print("%-40s  %10s" % ("----------------------------------------",
81				"-----------"))
82
83	for event_name in keys:
84		print("%-40s  %10d\n" % (event_name, unhandled[event_name]))