KGTP (Linux Kernel debugger and tracer) 20120424 release(doc update)[3/3]script

[Hui Zhu]

Signed-off-by: Hui Zhu <teawater@xxxxxxxxx>
---
 scripts/gtp/add-ons/hotcode.py |  747 +++++++++++++++++++++++++++++++++++++++++
 scripts/gtp/add-ons/pe.py      |  729 ++++++++++++++++++++++++++++++++++++++++
 scripts/gtp/getgtprsp.pl       |  141 +++++++
 scripts/gtp/getmod.py          |  148 ++++++++
 4 files changed, 1765 insertions(+)

--- /dev/null
+++ b/scripts/gtp/add-ons/hotcode.py
@@ -0,0 +1,747 @@
+#!/usr/bin/python
+
+# This script is used to find the hotcode in some tasks
+# GPL
+# Copyright(C) Hui Zhu (teawater@xxxxxxxxx), 2012
+
+import gdb
+import tempfile
+import os
+import signal
+import sys
+import traceback
+import time
+
+class hotcode_list:
+	def __init__(self):
+		self.function_list = {}
+		self.file_list = {}
+		self.line_list = {}
+		self.function_list_line = {}
+		self.file_list_line = {}
+		self.num = 0
+
+class task:
+	def __init__(self, fid, user_dir):
+		self.fid = fid
+		self.user_dir = user_dir
+		self.kernel = hotcode_list()
+		self.user = hotcode_list()
+
+debug_dir = "/usr/lib/debug/"
+task_list = {}
+no_task = False
+kernel_hotcode_list = hotcode_list()
+
+output_html = True
+output_html_file = "./hotcode.html"
+show_line_number_default = 20
+show_line_number = show_line_number_default
+
+#--------------------------------------------------------------------------------------------------
+#For signal handler
+
+from operator import itemgetter
+def dict_sort(d, reverse=False):
+	#proposed in PEP 265, using  the itemgetter
+	return sorted(d.iteritems(), key=itemgetter(1), reverse=True)
+
+def hotcode_show_code_list(string, code_list):
+	if len(code_list) > 0:
+		print "\t", string
+		i = 1
+		for c in dict_sort(code_list):
+			print "\t", c[0], "\t\t", c[1]
+			i += 1
+			if i > show_line_number:
+				break
+		print
+
+def hotcode_show():
+	if no_task:
+		hotcode_show_code_list("Hotest function", kernel_hotcode_list.function_list)
+		hotcode_show_code_list("Hotest file", kernel_hotcode_list.file_list)
+		hotcode_show_code_list("Hotest line", kernel_hotcode_list.line_list)
+	else:
+		for pid in task_list:
+			print "task", str(pid), task_list[pid].user_dir
+			print "Kernel hotcode:"
+			hotcode_show_code_list("Hotest function", task_list[pid].kernel.function_list)
+			hotcode_show_code_list("Hotest file", task_list[pid].kernel.file_list)
+			hotcode_show_code_list("Hotest line", task_list[pid].kernel.line_list)
+			print "User hotcode:"
+			hotcode_show_code_list("Hotest function", task_list[pid].user.function_list)
+			hotcode_show_code_list("Hotest file", task_list[pid].user.file_list)
+			hotcode_show_code_list("Hotest line", task_list[pid].user.line_list)
+			print
+
+html_id = 0
+
+def hotcode_list_to_output_html_fd_1(llist, tlist, fd):
+	global html_id
+	i = 1
+	for c in dict_sort(llist):
+		if tlist != None:
+			fd.write('''<tr><td onclick='sh("'''+str(html_id)+'''");'>'''+str(c[0])+'''</td><td style=" width: 10%; text-align: right;">'''+str(c[1])+'''</td></tr>''')
+			fd.write('''<tr><td style="text-align: center; display: none;" colspan="2" id="''' + str(html_id) + '''"><table style="width: 100%;" border="1" cellpadding="0" cellspacing="0"><tbody>''')
+			for d in dict_sort(tlist[c[0]]):
+				fd.write("<tr><td>" + str(d[0]) + '''</td><td style=" width: 10%; text-align: right;">''' + str(d[1]) + "</td></tr>")
+			fd.write('</tbody></table>')
+		else:
+			fd.write('<tr><td>'+str(c[0])+'''</td><td style=" width: 10%; text-align: right;">'''+str(c[1])+'''</td></tr>''')
+		i += 1
+		html_id += 1
+		if i > show_line_number:
+			break
+
+def hotcode_list_to_output_html_fd(hlist, fd):
+	global html_id
+	fd.write('''<tr><td style="text-align: center;" colspan="2">Hot functions list</td></tr>''')
+	hotcode_list_to_output_html_fd_1(hlist.function_list, hlist.function_list_line, fd)
+
+	fd.write('''<tr><td style="text-align: center;" colspan="2">Hot file list</td></tr>''')
+	hotcode_list_to_output_html_fd_1(hlist.file_list, hlist.file_list_line, fd)
+
+	fd.write('''<tr><td style="text-align: center;" colspan="2">Hot line list</td></tr>''')
+	hotcode_list_to_output_html_fd_1(hlist.line_list, None, fd)
+
+def hotcode_to_output_html_file():
+	global html_id
+	html_id = 0
+	fd = open(output_html_file, "w")
+	fd.write('''
+<html><head><title>Hotcode</title>
+<script>
+<!--
+function sh(id)
+{
+	if(document.getElementById(id).style.display=='none') {
+		document.getElementById(id).style.display='block';
+	}
+	else {
+		document.getElementById(id).style.display='none';
+	}
+}
+-->
+</script></head>
+<body>
+<div style="text-align: center;">This file is generated by KGTP (<a href="http://code.google.com/p/kgtp/";>http://code.google.com/p/kgtp/</a>) in ''' + time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) + '''.</div>
+<div style="text-align: center;">Click the function name or file name to see the detailed info.</div>''')
+	if show_line_number > 0:
+		fd.write('''<div style="text-align: center;">Just show top 20 of each list.</div>''')
+	if no_task:
+		fd.write('<br><br>')
+		fd.write('''<table style="margin-left: auto; margin-right: auto;" border="1" cellpadding="2" cellspacing="0"><tbody>''')
+		fd.write('''<tr><td><strong>Kernel space hotcode list</strong></td><td style=" width: 10%; text-align: right;">'''+str(kernel_hotcode_list.num)+'''</td></tr>''')
+		hotcode_list_to_output_html_fd(kernel_hotcode_list, fd)
+		fd.write('</tbody></table>')
+	else:
+		for pid in task_list:
+			fd.write('<br><br>')
+			fd.write('''<table style="margin-left: auto; margin-right: auto;" border="1" cellpadding="2" cellspacing="0"><tbody>''')
+			fd.write('''<tr><td style="text-align: center;" colspan="2">pid:''' + str(pid) + " " + task_list[pid].user_dir + "</td></tr>")
+			if trace_user:
+				fd.write('''<tr><td style="text-align: center;" colspan="2">User space hotcode list </td></tr>''')
+				fd.write('''<tr><td><strong>User space hotcode list</strong></td><td style=" width: 10%; text-align: right;">'''+str(task_list[pid].user.num)+'''</td></tr>''')
+				hotcode_list_to_output_html_fd(task_list[pid].user, fd)
+			if trace_kernel:
+				if trace_user:
+					fd.write('''<tr><td style="text-align: center;" colspan="2"></td></tr>''')
+				fd.write('''<tr><td><strong>Kernel space hotcode list</strong></td><td style=" width: 10%; text-align: right;">'''+str(task_list[pid].kernel.num)+'''</td></tr>''')
+				hotcode_list_to_output_html_fd(task_list[pid].kernel, fd)
+			fd.write('</tbody></table>')
+	fd.write('</body></html>')
+	fd.close()
+	print "Save", html_id, "entries."
+
+def sigint_handler(num, e):
+	if output_html:
+		hotcode_to_output_html_file()
+	else:
+		hotcode_show()
+	try:
+		s = raw_input('Conitnue? [(y)es], (n)o:')
+	except:
+		s = 'y'
+	finally:
+		if s[0:1] != 'n' and s[0:1] != 'N':
+			return;
+	#gdb.execute("inferior 1")
+	try:
+		gdb.execute("tfind -1", True, False)
+		gdb.execute("target remote /sys/kernel/debug/gtp", True, False)
+		gdb.execute("set disconnected-tracing off", True, False)
+	except:
+		print "Try to stop GTP got error, please use command \"sudo rmmod gtp.ko\" stop it."
+	exit(1);
+#--------------------------------------------------------------------------------------------------
+#init
+
+def add_inferior():
+	fid = gdb.execute("add-inferior", False, True)
+	if fid.find("Added inferior ") != 0:
+		return -1
+	fid = int(fid[len("Added inferior "):])
+	return fid
+
+gdb.execute("set target-async on", True, False)
+gdb.execute("set pagination off", True, False)
+gdb.execute("set confirm off", True, False)
+gdb.execute("set circular-trace-buffer on", True, False)
+gdb.execute("set debug-file-directory "+debug_dir, True, False)
+try:
+	gdb.execute("kill", True, False)
+except:
+	pass
+
+trace_user = True
+trace_kernel = True
+while 1:
+	tmp = "both"
+	try:
+		tmp = raw_input('Which part of code you want trace? [(b)oth], (u)ser, (k)ernel:')
+	except:
+		continue
+	if tmp[0:1] == 'U' or tmp[0:1] == 'u':
+		trace_kernel = False
+	elif tmp[0:1] == 'K' or tmp[0:1] == 'k':
+		trace_user = False
+	break
+
+#Get which task pid why want to trace
+print("Please input the pid of task that you want to trace - one per line.")
+print("If not set any task, will trace all code in the Linux kernel.")
+while 1:
+	pid = -1
+	try:
+		pid = input('task pid (use empty to stop pid input):')
+	except:
+		pass
+	if pid <= 0:
+		break
+	if pid in task_list:
+		print("This pid already in the list.")
+		continue
+	user_dir = ""
+	fid = 0
+	if trace_user:
+		try:
+			orig_user_dir = user_dir = os.path.realpath("/proc/"+str(pid)+"/exe")
+		except:
+			#maybe this is the kernel task
+			print "Cannot get the user code info of this pid, will not parse the user level code symbol"
+			task_list[pid] = task(fid, user_dir)
+			continue
+		if os.path.exists(debug_dir+user_dir):
+			user_dir = debug_dir+user_dir
+		while 1:
+			tmp = ""
+			try:
+				tmp = raw_input('Please input the debug binary of task if you want to change it ['+user_dir+']:')
+			except:
+				continue
+			if tmp != "":
+				user_dir = os.path.realpath(tmp)
+			break
+		if not os.path.exists(user_dir):
+			print "Cannot get the user code info of this pid, will not parse the user level code symbol"
+			task_list[pid] = task(fid, user_dir)
+			continue
+		print "Use "+user_dir+" as debug binary."
+		fid = add_inferior()
+		if fid < 0:
+			print "Try to load task got error."
+			continue
+		gdb.execute("inferior "+str(fid))
+		pfile = open("/proc/"+str(pid)+"/maps", "r")
+		tmplist = pfile.read().split(os.linesep)
+		pfile.close()
+		for c in tmplist:
+			c_list = c.split(" ")
+			filename = c_list[-1].strip()
+			if filename != orig_user_dir and os.path.exists(filename) and len(c_list) > 2 and len(c_list[1]) > 3 and c_list[1][2] == 'x':
+				addr = "0x"+c_list[0][0:c.find('-')]
+				gdb.execute("file "+filename)
+				info_files = gdb.execute("info files", True, True)
+				info_files_list = info_files.split(os.linesep)
+				text_offset = "0x0"
+				for line in info_files_list:
+					line_list = line.split(" is ")
+					if len(line_list) == 2 and line_list[1].strip() == ".text":
+						line_list[0] = line_list[0].strip()
+						text_offset = line_list[0][0:line_list[0].find(' - ')]
+				print ("add-symbol-file "+filename+" ("+addr+"+"+text_offset+")")
+				gdb.execute("add-symbol-file "+filename+" ("+addr+"+"+text_offset+")")
+		gdb.execute("file "+user_dir)
+		gdb.execute("inferior 1")
+	task_list[pid] = task(fid, user_dir)
+
+def get_addr_range_list(fun):
+	buf = gdb.execute("info line "+fun, False, True)
+	line_list = buf.split(os.linesep)
+	ret = []
+	begin = -1
+	end = -1
+	for line in line_list:
+		addr_begin = line.find("starts at address ")
+		if addr_begin >= 0:
+			line = line[addr_begin + len("starts at address "):]
+			addr_end = line.find(" <"+fun)
+			if addr_end >= 0:
+				begin = int(line[:addr_end], 0)
+				line = line[addr_end + len(" <"+fun):]
+		addr_begin = line.find("ends at ")
+		if addr_begin >= 0:
+			line = line[addr_begin + len("ends at "):]
+			addr_end = line.find(" <"+fun)
+			if addr_end > 0:
+				end = int(line[:addr_end], 0)
+				if begin != -1:
+					ret.append([begin, end])
+				begin = -1
+				end = -1
+
+	if len(ret) > 0:
+		buf = gdb.execute("disassemble "+fun, False, True)
+		line_list = buf.split(os.linesep)
+		line_list.reverse()
+		end = 0
+		for line in line_list:
+			addr_begin = line.find("0x")
+			if addr_begin >= 0:
+				line = line[addr_begin:]
+				addr_end = line.find(" <+")
+				if addr_end > 0:
+					end = int(line[:addr_end], 0) + 1
+					break
+		if end != 0:
+			offset = 0
+			for c in ret:
+				if c[1] < end:
+					if offset == 0 or offset > (end - c[1]):
+						offset = end - c[1]
+			for c in ret:
+				c[1] += offset
+
+	return ret
+
+def get_ignore_str(function):
+	ret = ""
+	try:
+		s = raw_input('Do you want to ignore function \"'+function+'\"? [(y)es], (n)o:')
+	except:
+		s = 'y'
+	if s[0:1] != 'n' and s[0:1] != 'N':
+		r_list = get_addr_range_list(function)
+		for r in r_list:
+			if ret != "":
+				ret += " && "
+			else:
+				ret += "&& ("
+			#(regs->ip < r[0] || regs->ip > r[1])
+			ret += "($pc_ip0 < "+str(r[0])+" || $pc_ip0 > "+str(r[1])+")"
+		if ret != "":
+			ret += ")"
+	return ret
+
+if len(task_list) == 0:
+	trace_user = False
+	trace_kernel = True
+	no_task = True
+
+try:
+	s = raw_input('Which way you want to output hotcode info when ctrl-c? [(h)tml], (t)ty:')
+except:
+	s = 'h'
+if s[0:1] == 't' or s[0:1] == 'T':
+	output_html = False
+else:
+	output_html = True
+
+if output_html:
+	while 1:
+		try:
+			s = raw_input('Which file you want to save the html output? [' + output_html_file + ']:')
+			if os.path.exists(s):
+				if os.path.isfile(s):
+					s = raw_input('File ' + s +' exist, do you want to over write it? (y)es, [(n)o]:')
+					if s[0:1] != 'y' and s[0:1] != 'Y':
+						continue
+				else:
+					print 'File ' + s +' exist, but it cannot be written.  Please choice another file.'
+					continue
+		except:
+			continue
+		if len(s) > 0:
+			output_html_file = s
+		break
+
+try:
+	show_line_number = input('Show line number (0 meas all)? ['+str(show_line_number)+']:')
+except:
+	show_line_number = show_line_number_default
+
+#Set tracepoint
+gdb.execute("target remote /sys/kernel/debug/gtp", True, False)
+
+try:
+	gdb.execute("tstop", True, False)
+	gdb.execute("delete", True, False)
+except:
+	pass
+
+
+def getmod():
+	#following code is get from ../getmod.py
+	#use the code directly because sys.argv = [''] inside GDB
+	def format_file(name):
+		tmp = ""
+		for c in name:
+			if c == "_":
+				c = "-"
+			tmp += c
+		return tmp
+
+	#Check if the target is available
+	if str(gdb.selected_thread()) == "None":
+		raise gdb.error("Please connect to Linux Kernel before use the script.")
+
+	#Output the help
+	print "Use GDB command \"set $mod_search_dir=dir\" to set an directory for search the modules."
+
+	ignore_gtp_ko = gdb.parse_and_eval("$ignore_gtp_ko")
+	if ignore_gtp_ko.type.code == gdb.TYPE_CODE_INT:
+		ignore_gtp_ko = int(ignore_gtp_ko)
+	else:
+		ignore_gtp_ko = 1
+
+	#Get the mod_search_dir
+	mod_search_dir_list = []
+	#Get dir from $mod_search_dir
+	tmp_dir = gdb.parse_and_eval("$mod_search_dir")
+	if tmp_dir.type.code == gdb.TYPE_CODE_ARRAY:
+		tmp_dir = str(tmp_dir)
+		tmp_dir = tmp_dir[1:len(tmp_dir)]
+		tmp_dir = tmp_dir[0:tmp_dir.index("\"")]
+		mod_search_dir_list.append(tmp_dir)
+	#Get dir that same with current vmlinux
+	tmp_dir = str(gdb.execute("info files", False, True))
+	tmp_dir = tmp_dir[tmp_dir.index("Symbols from \"")+len("Symbols from \""):len(tmp_dir)]
+	tmp_dir = tmp_dir[0:tmp_dir.index("\"")]
+	tmp_dir = tmp_dir[0:tmp_dir.rindex("/")]
+	mod_search_dir_list.append(tmp_dir)
+	#Get the dir of current Kernel
+	tmp_dir = "/lib/modules/" + str(os.uname()[2])
+	if os.path.isdir(tmp_dir):
+		mod_search_dir_list.append(tmp_dir)
+	#Let user choice dir
+	mod_search_dir = ""
+	while mod_search_dir == "":
+		for i in range(0, len(mod_search_dir_list)):
+			print str(i)+". "+mod_search_dir_list[i]
+		try:
+			s = input('Select a directory for search the modules [0]:')
+		except SyntaxError:
+			s = 0
+		except:
+			continue
+		if s < 0 or s >= len(mod_search_dir_list):
+			continue
+		mod_search_dir = mod_search_dir_list[s]
+
+	mod_list_offset = long(gdb.parse_and_eval("((size_t) &(((struct module *)0)->list))"))
+	mod_list = long(gdb.parse_and_eval("(&modules)"))
+	mod_list_current = mod_list
+
+	while 1:
+		mod_list_current = long(gdb.parse_and_eval("((struct list_head *) "+str(mod_list_current)+")->next"))
+
+		#check if need break the loop
+		if mod_list == mod_list_current:
+			break
+
+		mod = mod_list_current - mod_list_offset
+
+		#get mod_name
+		mod_name = str(gdb.parse_and_eval("((struct module *)"+str(mod)+")->name"))
+		mod_name = mod_name[mod_name.index("\"")+1:len(mod_name)]
+		mod_name = mod_name[0:mod_name.index("\"")]
+		if mod_name == "fglrx":
+			contiue
+		mod_name += ".ko"
+		mod_name = format_file(mod_name)
+
+		#get mod_dir_name
+		mod_dir_name = ""
+		for root, dirs, files in os.walk(mod_search_dir):
+			for afile in files:
+				tmp_file = format_file(afile)
+				if tmp_file == mod_name:
+					mod_dir_name = os.path.join(root,afile)
+					break
+			if mod_dir_name != "":
+				break
+
+		command = " "
+
+		#Add module_core to command
+		command += str(gdb.parse_and_eval("((struct module *)"+str(mod)+")->module_core"))
+
+		#Add each sect_attrs->attrs to command
+		#get nsections
+		nsections = int(gdb.parse_and_eval("((struct module *)"+str(mod)+")->sect_attrs->nsections"))
+		sect_attrs = long(gdb.parse_and_eval("(u64)((struct module *)"+str(mod)+")->sect_attrs"))
+		for i in range(0, nsections):
+			command += " -s"
+			tmp = str(gdb.parse_and_eval("((struct module_sect_attrs *)"+str(sect_attrs)+")->attrs["+str(i)+"].name"))
+			tmp = tmp[tmp.index("\"")+1:len(tmp)]
+			tmp = tmp[0:tmp.index("\"")]
+			command += " "+tmp
+			tmp = str(gdb.parse_and_eval("((struct module_sect_attrs *)"+str(sect_attrs)+")->attrs["+str(i)+"].address"))
+			command += " "+tmp
+
+		if mod_dir_name == "":
+			print "Cannot find out",mod_name,"from directory."
+			print "Please use following command load the symbols from it:"
+			print "add-symbol-file some_dir/"+mod_name+command
+		else:
+			if ignore_gtp_ko and mod_name == "gtp.ko":
+				pass
+			else:
+				#print "add-symbol-file "+mod_dir_name+command
+				gdb.execute("add-symbol-file "+mod_dir_name+command, False, False)
+
+if trace_kernel:
+	try:
+		s = raw_input('Do you load the symbol from LKM? (y)es, [(n)o]:')
+	except:
+		s = 'n'
+	if s[0:1] == 'y' or s[0:1] == 'Y':
+		getmod()
+
+cpu_number = int(gdb.parse_and_eval("$cpu_number"))
+tempfilename = tempfile.mktemp()
+tempfile = open(tempfilename, "w")
+if no_task:
+	ignore_str = ""
+	#Setup first tracepoint
+	ignore_str += get_ignore_str("arch_local_irq_enable")
+	ignore_str += get_ignore_str("intel_idle")
+	# GDB have bug with long conditon so close them
+	#ignore_str += get_ignore_str("__do_softirq")
+	#ignore_str += get_ignore_str("_raw_spin_unlock_irqrestore")
+
+	for i in range(0, cpu_number):
+		tempfile.write("tvariable $pc_ip"+str(i)+"\n")
+		tempfile.write("tvariable $pc_cs"+str(i)+"\n")
+	tempfile.write("trace handle_irq\n")
+	tempfile.write("commands\n")
+	tempfile.write("teval $pc_ip0=(u64)regs->ip\n")
+	tempfile.write("teval $pc_cs0=(u64)regs->cs\n")
+	tempfile.write("end\n")
+	#Setup second tracepoint
+	tempfile.write("trace handle_irq\n")
+	cond_str = " (($pc_cs0 & 3) == 0)"
+	tempfile.write("condition $bpnum "+cond_str+ignore_str+"\n")
+	tempfile.write("commands\n")
+	tempfile.write("collect $no_self_trace\n")
+	tempfile.write("collect $pc_ip0\n")
+	tempfile.write("end\n")
+	tempfile.write("trace smp_apic_timer_interrupt\n")
+	tempfile.write("commands\n")
+	tempfile.write("teval $pc_ip0=(u64)regs->ip\n")
+	tempfile.write("teval $pc_cs0=(u64)regs->cs\n")
+	tempfile.write("end\n")
+	#Setup second tracepoint
+	tempfile.write("trace smp_apic_timer_interrupt\n")
+	cond_str = " (($pc_cs0 & 3) == 0)"
+	tempfile.write("condition $bpnum "+cond_str+ignore_str+"\n")
+	tempfile.write("commands\n")
+	tempfile.write("collect $no_self_trace\n")
+	tempfile.write("collect $pc_ip0\n")
+	tempfile.write("end\n")
+else:
+	pid_str = ""
+	for pid in task_list:
+		if pid_str != "":
+			pid_str += " || "
+		else:
+			pid_str += "("
+		pid_str += "($current_task_pid == "+str(pid)+") "
+	if pid_str != "":
+		pid_str += ")"
+	cond_str = ""
+	if not trace_user:
+		if pid_str != "":
+			cond_str += " && "
+		cond_str += " ((regs->cs & 3) == 0)"
+	elif not trace_kernel:
+		if pid_str != "":
+			cond_str += "&&"
+		cond_str += " ((regs->cs & 3) == 3)"
+	tempfile.write("trace handle_irq\n")
+	tempfile.write("condition $bpnum "+pid_str+cond_str+"\n")
+	tempfile.write("commands\n")
+	tempfile.write("collect regs->ip\n")
+	if trace_user and trace_kernel:
+		tempfile.write("collect regs->cs\n")
+	tempfile.write("collect $current_task_pid\n")
+	tempfile.write("end\n")
+	tempfile.write("trace smp_apic_timer_interrupt\n")
+	tempfile.write("condition $bpnum "+pid_str+cond_str+"\n")
+	tempfile.write("commands\n")
+	tempfile.write("collect regs->ip\n")
+	if trace_user and trace_kernel:
+		tempfile.write("collect regs->cs\n")
+	tempfile.write("collect $current_task_pid\n")
+	tempfile.write("end\n")
+tempfile.close()
+tempfile = open(tempfilename, "r")
+print "Tracepoint command:"
+print tempfile.read()
+tempfile.close()
+gdb.execute("source "+tempfilename, True, False)
+os.remove(tempfilename)
+gdb.execute("set disconnected-tracing on", True, False)
+gdb.execute("tstart")
+gdb.execute("kill", True, False)
+
+signal.signal(signal.SIGINT, sigint_handler);
+signal.siginterrupt(signal.SIGINT, False);
+
+#Connect to pipe
+gdb.execute("target tfile /sys/kernel/debug/gtpframe_pipe")
+
+#--------------------------------------------------------------------------------------------------
+#cycle
+
+def add_line_to_list(line, line_list):
+	if line in line_list:
+		line_list[line] += 1
+	else:
+		line_list[line] = 1
+
+#info[0] line_num, info[1] file_name, info[2] function_name
+def add_info_to_code_list(info, code_list):
+	line = str(info[1]) + ":" + str(info[0])
+	#function_list
+	if info[2] in code_list.function_list:
+		code_list.function_list[info[2]] += 1
+	else:
+		code_list.function_list[info[2]] = 1
+		code_list.function_list_line[info[2]] = {}
+	add_line_to_list(line, code_list.function_list_line[info[2]])
+	#file_list
+	if info[1] in code_list.file_list:
+		code_list.file_list[info[1]] += 1
+	else:
+		code_list.file_list[info[1]] = 1
+		code_list.file_list_line[info[1]] = {}
+	add_line_to_list(line, code_list.file_list_line[info[1]])
+	#line_list
+	add_line_to_list(line, code_list.line_list)
+	#num
+	code_list.num += 1
+
+def task_list_add_line(is_user, pid, info):
+	global task_list
+	if no_task:
+		add_info_to_code_list (info, kernel_hotcode_list)
+	else:
+		if is_user:
+			add_info_to_code_list (info, task_list[pid].user)
+		else:
+			add_info_to_code_list (info, task_list[pid].kernel)
+
+def get_line_from_sym(sym):
+	sym = sym.rstrip(os.linesep)
+
+	#Get line_num and file_name
+	begin = sym.find("Line ")
+	end = sym.find("\" starts at address")
+	line_num = None
+	file_name = None
+	if begin >= 0 and end > 0 and begin + len("Line ") < end:
+		line = sym[begin + len("Line "):end]
+		line = line.split(" of \"")
+		if len(line) == 2:
+			line_num = line[0]
+			file_name = line[1]
+		sym = sym[end:]
+
+	#Get function_name
+	begin = sym.find("<")
+	end = sym.find(">")
+	if begin >= 0 and end > 0 and begin + 1 < end:
+		function_name = sym[begin + 1:end]
+		end = function_name.rfind("+")
+		if end > 0:
+			function_name = function_name[:end]
+		sym = gdb.execute("info symbol "+function_name, True, True).rstrip(os.linesep)
+		begin = sym.rfind(" of ")
+		if begin > 0:
+			begin += len(" of ")
+			function_name = sym[begin:] + ":" + function_name
+	else:
+		function_name = None
+	return (line_num, file_name, function_name)
+
+if no_task:
+	while 1:
+		try:
+			gdb.execute("tfind 0", False, True)
+			cpu_id = long(gdb.parse_and_eval("$cpu_id"));
+			sym = gdb.execute("info line *($pc_ip"+str(cpu_id)+" - 1)", True, True)
+			line = get_line_from_sym(sym)
+			task_list_add_line(False, 0, line)
+		except gdb.error, x:
+			print("Drop one entry because:")
+			for file, lineno, function, text in traceback.extract_tb(sys.exc_info()[2]):
+				print file, lineno, function, text
+		except gdb.MemoryError, x:
+			print("Drop one entry because:")
+			for file, lineno, function, text in traceback.extract_tb(sys.exc_info()[2]):
+				print file, lineno, function, text
+		try:
+			gdb.execute("tfind 1", False, True)
+		except:
+			pass
+else:
+	while 1:
+		try:
+			gdb.execute("tfind 0", False, True)
+			is_user = False
+			pid = long(gdb.parse_and_eval("$current_task_pid"))
+			if not pid in task_list:
+				raise gdb.error ("Cannot find inferior for pid "+ str(pid) +", drop one entry.")
+			if trace_user and (not trace_kernel or long(gdb.parse_and_eval("regs->cs & 3")) == 3):
+				is_user = True
+				ip = long(gdb.parse_and_eval("regs->ip - 1"))
+				gdb.execute("inferior "+str(task_list[pid].fid), False, True)
+				sym = gdb.execute("info line *"+str(ip), True, True)
+			else:
+				sym = gdb.execute("info line *(regs->ip - 1)", True, True)
+			line = get_line_from_sym(sym)
+			if is_user:
+				gdb.execute("inferior 1", False, True)
+			task_list_add_line(is_user, pid, line)
+		except gdb.error, x:
+			print("Drop one entry because:")
+			for file, lineno, function, text in traceback.extract_tb(sys.exc_info()[2]):
+				print file, lineno, function, text
+			try:
+				gdb.execute("inferior 1", False, True)
+			except:
+				pass
+		except gdb.MemoryError, x:
+			print("Drop one entry because:")
+			for file, lineno, function, text in traceback.extract_tb(sys.exc_info()[2]):
+				print file, lineno, function, text
+			try:
+				gdb.execute("inferior 1", False, True)
+			except:
+				pass
+		try:
+			gdb.execute("tfind 1", False, True)
+		except:
+			pass
--- /dev/null
+++ b/scripts/gtp/add-ons/pe.py
@@ -0,0 +1,729 @@
+#!/usr/bin/python
+
+# This script is used to show the performance counters in graph mode
+# GPL
+# Copyright(C) Hui Zhu (teawater@xxxxxxxxx), 2011
+
+
+pe_list = []
+#0 type, 1 config, 2 name
+#typt and config can get from https://code.google.com/p/kgtp/wiki/HOWTO#How_to_use_performance_counters
+pe_list.append(["0","0", "CPU_CYCLES"])
+pe_list.append(["0","1", "INSTRUCTIONS"])
+pe_list.append(["0","2", "CACHE_REFERENCES"])
+pe_list.append(["0","3", "CACHE_MISSES"])
+pe_list.append(["0","4", "BRANCH_INSTRUCTIONS"])
+pe_list.append(["0","5", "BRANCH_MISSES"])
+pe_list.append(["0","6", "BUS_CYCLES"])
+pe_list.append(["3","0", "L1D_READ_ACCESS"])
+pe_list.append(["3","1", "L1I_READ_ACCESS"])
+
+#sleep time
+sleep_sec = 1
+
+#0 text 1 gtk
+gui_type = 1
+
+in_gdb = False
+
+
+pe_list_type = 0
+pe_list_config = 1
+pe_list_name = 2
+pe_list_prev = 3
+pe_list_qtv = 4
+
+if in_gdb:
+	import gdb
+else:
+	import os
+
+
+class kgtp:
+	fd = -1
+	retry_count = 3
+	buf_max = 1024
+	tvariable = {}
+	tvariable_next_number = 0
+
+	def __init__(self):
+		#Open fd
+		try:
+			self.fd = os.open("/sys/kernel/debug/gtp", os.O_RDWR)
+		except:
+			print "Please do not forget insmod and sudo."
+			exit(0)
+
+	def __del__(self):
+		if self.fd >= 0:
+			os.close(self.fd)
+
+	def read_fd(self):
+		try:
+			buf = os.read(self.fd, self.buf_max)
+		except:
+			return False
+		return buf
+
+	def write_fd(self, msg):
+		try:
+			buf = os.write(self.fd, msg)
+		except:
+			return False
+		return True
+
+	def read(self):
+		for i in range(0, self.retry_count):
+			if i != 0:
+				self.write_fd("-")
+
+			buf = self.read_fd()
+			if buf == False:
+				continue
+			buf_len = len(buf)
+			if buf_len < 4:
+				continue
+
+			csum = 0
+			for i in range(0, buf_len - 2):
+				if i == 0:
+					if buf[i] != "$":
+						retry = True
+						break
+				elif buf[i] == '#':
+					break
+				else:
+					csum += ord(buf[i])
+			if i == 0 or buf[i] != "#":
+				continue
+			if int("0x"+buf[i+1:i+3], 16) != (csum & 0xff):
+				continue
+			buf = buf[1:i]
+			self.write_fd("+")
+
+			#print "KGTP read: "+buf
+			return buf
+
+		print "KGTP read got error"
+		return False
+
+	def write(self, msg):
+		for i in range(0, self.retry_count):
+			if i != 0:
+				self.write_fd("-")
+
+			csum = 0
+			for c in msg:
+				csum += ord(c)
+			msg = "$"+msg+"#"+"%02x" % (csum & 0xff)
+
+			if self.write_fd(msg) == False:
+				continue
+			if self.read_fd() != "+":
+				continue
+
+			#print "KGTP write: "+msg
+			return True
+
+		print "KGTP write got error"
+		return False
+
+	def simple_cmd(self, cmd):
+		if gtp.write(cmd) == False:
+			return False
+		if gtp.read() != "OK":
+			return False
+		return True
+
+	def tvariable_init(self):
+		tvariable = {}
+		tvariable_next_number = 0
+
+		if gtp.write("qTfV") == False:
+			return False
+		ret = gtp.read()
+		while 1:
+			if ret == False:
+				return False
+			if ret == "l":
+				return True
+			ret = ret.split(":")
+			if len(ret) < 4:
+				print "KGTP GDBRSP package format error"
+				return False
+			if len(ret[3]) % 2 != 0:
+				print "KGTP GDBRSP package format error"
+				return False
+
+			#Get name
+			letter = ""
+			name = ""
+			for c in ret[3]:
+				letter += c
+				if len(letter) == 2:
+					name += chr(int("0x"+letter, 16))
+					letter = ""
+
+			number = int("0x"+ret[0], 16)
+			self.tvariable[name] = number
+			if (number >= self.tvariable_next_number):
+				self.tvariable_next_number = number + 1
+
+			if gtp.write("qTsV") == False:
+				return False
+			ret = gtp.read()
+
+	def tvariable_val(self, number):
+		return self.tvariable_val_raw("qTV:"+"%x" % number)
+
+	def tvariable_val_raw(self, buf):
+		if gtp.write(buf) == False:
+			return
+		ret = gtp.read()
+		if ret == False:
+			return
+		if ret[0] != "V":
+			return
+
+		return long("0x"+ret[1:], 16)
+
+	def tvariable_add(self, name, val):
+		if self.tvariable_next_number == 0:
+			print "Must call tvariable_init before add tvariable"
+			return
+
+		buf = "QTDV:" + "%x" % self.tvariable_next_number + ":" + "%x" % val + ":0:"
+		for c in name:
+			buf += "%02x" % ord(c)
+		if gtp.write(buf) == False:
+			return
+		if gtp.read() != "OK":
+			print "Get something wrong when add tvariable to KGTP"
+			return
+
+		self.tvariable_next_number += 1
+		return (self.tvariable_next_number - 1)
+
+	def qtinit(self):
+		return self.simple_cmd("QTinit")
+
+	def tstart(self):
+		return self.simple_cmd("QTStart")
+
+	def tstop(self):
+		return self.simple_cmd("QTStop")
+
+
+def each_entry(callback):
+	global pe_list, cpu_number
+	for i in range(0, cpu_number):
+		for e in pe_list:
+			callback(i, e)
+
+
+def init_pe(i, e):
+	if (len(e) < pe_list_prev + 1):
+		e.append([])
+	e[pe_list_prev].append(0)
+	if (len(e) < pe_list_qtv + 1):
+		e.append([])
+
+	if in_gdb:
+		gdb.execute("tvariable $pc_pe_type_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i)+"="+e[pe_list_type], True, False)
+		gdb.execute("tvariable $pc_pe_config_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i)+"="+e[pe_list_config], True, False)
+		gdb.execute("tvariable $pc_pe_val_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i)+"=0", True, False)
+		gdb.execute("tvariable $pc_pe_en_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i)+"=1", True, False)
+	else:
+		if gtp.tvariable_add("pc_pe_type_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i), int(e[pe_list_type])) == None:
+			exit(0)
+		if gtp.tvariable_add("pc_pe_config_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i), int(e[pe_list_config])) == None:
+			exit(0)
+		number = gtp.tvariable_add("pc_pe_val_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i), 0)
+		if number == None:
+			exit(0)
+		if gtp.tvariable_add("pc_pe_en_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i), 1) == None:
+			exit(0)
+		e[pe_list_qtv].append("qTV:"+"%x" % number)
+
+def init_kgtp():
+	global cpu_number
+
+	if in_gdb:
+		cpu_number = int(gdb.parse_and_eval("$cpu_number"))
+		#Set the empty tracepoint
+		gdb.execute("delete tracepoints", False, False)
+		gdb.execute("trace *0", True, False)
+	else:
+		cpu_number = gtp.tvariable_val(gtp.tvariable["cpu_number"])
+		if cpu_number == None:
+			exit(0)
+
+	#Set the pe
+	each_entry(init_pe)
+
+import signal
+def sigint_handler(num, e):
+	if in_gdb:
+		gdb.execute("tstop", True, False)
+	else:
+		gtp.tstop()
+	exit(0)
+
+
+if in_gdb:
+	#close pagination
+	gdb.execute("set pagination off", True, False);
+	#Connect to KGTP if need
+	if str(gdb.selected_thread()) == "None":
+		gdb.execute("target remote /sys/kernel/debug/gtp", True, False)
+else:
+	gtp = kgtp()
+	if gtp.qtinit == False:
+		exit(0)
+	if gtp.tvariable_init() == False:
+		exit(0)
+
+#Init the status to KGTP
+cpu_number = 0
+init_kgtp()
+signal.signal(signal.SIGINT, sigint_handler)
+
+
+#start
+if in_gdb:
+	gdb.execute("tstart", True, False)
+else:
+	gtp.tstart()
+
+
+#text gui ---------------------------------------------------------------------
+#pe_list will be set to:type, config, name, prev_value_list
+if gui_type == 0:
+	import time
+	def output_pe(i, e):
+		if in_gdb:
+			current_value = long(gdb.parse_and_eval("$pc_pe_val_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i)))
+		else:
+			current_value = gtp.tvariable_val_raw(e[pe_list_qtv][i])
+			if current_value == None:
+				print "Fail when get val from KGTP"
+				exit(0)
+		print "cpu"+str(i),e[pe_list_name],current_value-e[pe_list_prev][i]
+		e[pe_list_prev][i] = current_value
+
+	while 1:
+		each_entry(output_pe)
+		print
+		time.sleep(sleep_sec)
+
+
+#gtk gui ----------------------------------------------------------------------
+#pe_list will be set to:0 type, 1 config, 2 name, 3 prev_value_list,
+#			4 value_list, 5 x_list, 6 button_list,
+#			7 button_color_list, 8 line_color_list
+if gui_type == 1:
+	#This script need python-gtk2
+	import gtk
+	import glib
+
+	pe_list_value = 5
+	pe_list_x = 6
+	pe_list_button = 7
+	pe_list_bcolor = 8
+	pe_list_lcolor = 9
+
+	pe_color = (0xffb0ff, 0x006000)
+
+	class PyApp(gtk.Window):
+		#Init ----------------------------------------------------------
+		def __init__(self):
+			global pe_list, cpu_number
+
+			super(PyApp, self).__init__()
+
+			self.max_value = 0
+			self.prev_width = 0
+			self.prev_height = 0
+			self.y_ratio = 0
+			self.entry_width = 10
+			self.logfd = False
+
+			#Set the pe
+			each_entry(self.pe_init_callback)
+
+			#Set the color
+			num = len(pe_list) * cpu_number
+			block = (pe_color[0] - pe_color[1]) / float(num)
+			color = pe_color[1]
+			for i in range(0, cpu_number):
+				for e in pe_list:
+					e[pe_list_bcolor].append(gtk.gdk.Color("#"+ "%06x" % int(color)))
+					e[pe_list_lcolor].append((((int(color) >> 16) / float(0xff) * 1), ((int(color) >> 8 & 0xff) / float(0xff) * 1), ((int(color) & 0xff) / float(0xff) * 1)))
+					color += block
+
+			#Set window
+			self.set_title("KGTP")
+			self.connect("destroy", gtk.main_quit)
+			gtk.Window.maximize(self)
+
+			#menubar
+			mb = gtk.MenuBar()
+			#file
+			filemenu = gtk.Menu()
+			filem = gtk.MenuItem("File")
+			filem.set_submenu(filemenu)
+			save = gtk.CheckMenuItem("Save log to a CSV file")
+			save.connect("activate", self.mb_save)
+			save.set_active(False)
+			exit = gtk.MenuItem("Exit")
+			exit.connect("activate", gtk.main_quit)
+			filemenu.append(save)
+			filemenu.append(gtk.SeparatorMenuItem())
+			filemenu.append(exit)
+			mb.append(filem)
+			#set
+			setmenu = gtk.Menu()
+			setm = gtk.MenuItem("Settings")
+			setm.set_submenu(setmenu)
+			show_buttons = gtk.CheckMenuItem("Show buttons")
+			show_buttons.set_active(True)
+			show_buttons.connect("activate", self.show_buttons)
+			setmenu.append(show_buttons)
+			mb.append(setm)
+
+			#Widget
+			#Creat self.darea
+			self.darea = gtk.DrawingArea()
+			self.darea.connect("expose-event", self.expose)
+			self.darea.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color("#FFFFFF"))
+			#Creat all ToggleButton for each pe
+			each_entry(self.pe_gtk_creat_button)
+			#Creat button_hboxes
+			self.button_hboxes = self.pe_gtk_creat_button_hboxes_first()
+
+			#Add mb and widget to window
+			self.vbox = gtk.VBox(False, 0)
+			self.vbox.pack_start(mb, False, False, 0)
+			self.vbox.pack_start(self.darea, True, True, 0)
+			for e in self.button_hboxes:
+				self.vbox.pack_start(e, False, False, 0)
+			self.add(self.vbox)
+
+			#First show to get the right size
+			self.show_all()
+			size = self.pe_gtk_get_size()
+
+			#Reset the button_hboxes
+			each_entry(self.pe_gtk_remove_creat_button_hboxes)
+			for e in self.button_hboxes:
+				self.vbox.remove(e)
+			self.button_hboxes = self.pe_gtk_creat_button_hboxes_second(size)
+			for e in self.button_hboxes:
+				self.vbox.pack_start(e, False, False, 0)
+			self.show_all()
+
+			#Reset the value of each button
+			each_entry(self.button_reset)
+
+			#Add timer
+			glib.timeout_add(int(sleep_sec * 1000), self.timer_cb)
+			#Remove the first entry because it already record a big value
+			glib.timeout_add(int(sleep_sec * 1100), self.timer_remove_first_record)
+
+		def __del__(self):
+			if self.logfd:
+				self.logfd.close()
+				self.logfd = False
+
+		def pe_init_callback(self, i, e):
+			if (len(e) < pe_list_value + 1):
+				e.append([])
+			e[pe_list_value].append([])
+			if (len(e) < pe_list_x + 1):
+				e.append([])
+			e[pe_list_x].append([])
+			if (len(e) < pe_list_button + 1):
+				e.append([])
+			if (len(e) < pe_list_button + 1):
+				e.append([])
+			if (len(e) < pe_list_bcolor + 1):
+				e.append([])
+			if (len(e) < pe_list_lcolor + 1):
+				e.append([])
+
+		def pe_gtk_creat_button(self, i, e):
+			e[pe_list_button].append(gtk.ToggleButton(e[pe_list_name]+":"+str(18446744073709551615)))
+			self.set_button_color(e[pe_list_button][i], e[pe_list_bcolor][i])
+			e[pe_list_button][i].connect("clicked", self.button_click)
+
+		def pe_gtk_creat_button_hboxes_first(self):
+			global pe_list, cpu_number
+
+			hboxes = []
+			self.label_list = []
+			for i in range(0, cpu_number):
+				hboxes.append(gtk.HBox(False, 0))
+				self.label_list.append(gtk.Label("CPU"+str(i)))
+				hboxes[i].pack_start(self.label_list[i], False, False, 0)
+				for e in pe_list:
+					hboxes[i].pack_start(e[pe_list_button][i], False, False, 0)
+
+			return hboxes
+
+		def pe_gtk_get_size(self):
+			global pe_list, cpu_number
+
+			#0 label size 1 button size
+			size = ([],[])
+			for i in range(0, cpu_number):
+				size[0].append(self.label_list[i].allocation.width)
+				size[1].append([])
+				for e in pe_list:
+					size[1][i].append(e[pe_list_button][i].allocation.width)
+
+			return size
+
+		def pe_gtk_remove_creat_button_hboxes(self, i, e):
+			self.button_hboxes[i].remove(e[pe_list_button][i])
+
+		def pe_gtk_creat_button_hboxes_second(self, size):
+			global pe_list, cpu_number
+
+			hboxes = []
+			hbox_id = -1
+			for i in range(0, cpu_number):
+				keep_going = True
+				prev_entry_id = 0
+				while keep_going == True:
+					width = self.allocation.width
+					keep_going = False
+					hbox_id += 1
+					hboxes.append(gtk.HBox(False, 0))
+					width -= size[0][i]
+					hboxes[hbox_id].pack_start(gtk.Label("CPU"+str(i)), False, False, 0)
+					for j in range(prev_entry_id, len(pe_list)):
+						if width - size[1][i][j] <= 0:
+							prev_entry_id = j
+							keep_going = True
+							break
+						width -= size[1][i][j] + 200
+						hboxes[hbox_id].pack_start(pe_list[j][pe_list_button][i], False, False, 0)
+
+			return hboxes
+
+		def button_reset(self, i, e):
+			e[pe_list_button][i].set_label(e[pe_list_name]+":0")
+
+		#Dialog -------------------------------------------------------
+		def dialog_error(self, msg):
+			md = gtk.MessageDialog(self,gtk.DIALOG_DESTROY_WITH_PARENT, gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, msg)
+			md.run()
+			md.destroy()
+
+		#Menubar -------------------------------------------------------
+		def show_buttons(self, widget):
+			if widget.active:
+				for e in self.button_hboxes:
+					e.show()
+			else:
+				for e in self.button_hboxes:
+					e.hide()
+
+		def log_write_name(self, i, e):
+			self.logfd.write("CPU"+str(i)+" "+e[pe_list_name]+",")
+
+		def mb_save(self, widget):
+			if widget.active:
+				md = gtk.FileChooserDialog(title="Save log to a CSV file", action=gtk.FILE_CHOOSER_ACTION_SAVE, buttons = (gtk.STOCK_CANCEL,gtk.RESPONSE_CANCEL,gtk.STOCK_OK, gtk.RESPONSE_OK))
+				md.set_do_overwrite_confirmation(True)
+				md.set_current_name("pe.csv")
+				if md.run() == gtk.RESPONSE_OK:
+					try:
+						self.logfd = open(md.get_filename(), "w")
+						each_entry(self.log_write_name)
+						self.logfd.write("\n")
+					except:
+						self.dialog_error("Try to open file "+md.get_filename()+" got error")
+						widget.set_active(False)
+						if self.logfd:
+							self.logfd.close()
+							self.logfd = False
+				else:
+					widget.set_active(False)
+				md.destroy()
+			else:
+				if self.logfd:
+					self.logfd.close()
+					self.logfd = False
+
+		#Button --------------------------------------------------------
+		def refind_max_value(self, i, e):
+			if e[pe_list_button][i].get_active():
+				return
+			for i in e[pe_list_value][i]:
+				if i > self.max_value:
+					self.max_value = i
+					self.y_ratio = 0
+
+		def set_button_color(self, button, color):
+			style = button.get_style().copy()
+			style.bg[gtk.STATE_NORMAL] = color
+			style.bg[gtk.STATE_ACTIVE] = color
+			style.bg[gtk.STATE_PRELIGHT] = color
+			style.bg[gtk.STATE_SELECTED] = color
+			style.bg[gtk.STATE_INSENSITIVE] = color
+			button.set_style(style)
+
+		def button_click(self, widget):
+			if widget.get_active():
+				self.set_button_color(widget, gtk.gdk.Color("#FFFFFF"))
+			else:
+				color = False
+				for i in range(0, cpu_number):
+					for e in pe_list:
+						if e[pe_list_button][i] == widget:
+							color = e[pe_list_bcolor][i]
+							break
+					if color:
+						break
+				if color:
+					self.set_button_color(widget, color)
+				each_entry(self.refind_max_value)
+			self.darea.queue_draw()
+
+		#Timer ---------------------------------------------------------
+		def write_csv(self, msg):
+			try:
+				self.logfd.write(msg)
+			except:
+				self.dialog_error("Writ CSV file got error")
+				widget.set_active(False)
+				self.logfd.close()
+				self.logfd = False
+
+		def pe_gtk_add(self, i, e):
+			if in_gdb:
+				current_value = long(gdb.parse_and_eval("$pc_pe_val_"+e[pe_list_type]+e[pe_list_config]+"_"+str(i)))
+			else:
+				current_value = gtp.tvariable_val_raw(e[pe_list_qtv][i])
+				if current_value == None:
+					print "Fail when get val from KGTP"
+					exit(0)
+			this_value = current_value-e[pe_list_prev][i]
+			e[pe_list_value][i].append(this_value)
+			if this_value > self.max_value and not e[pe_list_button][i].get_active():
+				self.max_value = this_value
+				self.y_ratio = 0
+			e[pe_list_x][i].append(-1)
+			e[pe_list_prev][i] = current_value
+			e[pe_list_button][i].set_label(e[pe_list_name]+":"+str(this_value))
+			if self.logfd:
+				write_csv(str(this_value)+",")
+
+		def timer_cb(self):
+			each_entry(self.pe_gtk_add)
+			if self.logfd:
+				write_csv("\n")
+			self.darea.queue_draw()
+			return True
+
+		def timer_remove_first_record(self):
+			if len(pe_list[0][pe_list_value][0]) >= 1:
+				self.pe_remove_entry_num = 1
+				each_entry(self.pe_remove_entry)
+				return False
+			else:
+				return True
+
+		#DrawingArea ---------------------------------------------------
+		def pe_gtk_line(self, i, e):
+			if len(e[pe_list_value][i]) < 2:
+				return
+			if e[pe_list_button][i].get_active():
+				return
+
+			self.cr.set_source_rgb(e[pe_list_lcolor][i][0], e[pe_list_lcolor][i][1], e[pe_list_lcolor][i][2])
+			x = 0
+			for num in range(0, len(e[pe_list_value][i])):
+				if e[pe_list_value][i][num] > self.line_max:
+					self.line_max = e[pe_list_value][i][num]
+				if self.height_change or e[pe_list_x][i][num] < 0:
+					e[pe_list_x][i][num] = self.prev_height - e[pe_list_value][i][num] * self.y_ratio
+				if num == 0:
+					self.cr.move_to(x, e[pe_list_x][i][num])
+				else:
+					self.cr.line_to(x, e[pe_list_x][i][num])
+				x += self.entry_width
+			self.cr.stroke()
+
+		def pe_remove_entry(self, i, e):
+			del(e[pe_list_value][i][0:self.pe_remove_entry_num])
+			del(e[pe_list_x][i][0:self.pe_remove_entry_num])
+
+		def expose(self, widget, event):
+			self.cr = widget.window.cairo_create()
+
+			#y
+			if self.prev_height != self.darea.allocation.height:
+				self.height_change = True
+				self.prev_height = self.darea.allocation.height
+			else:
+				self.height_change = False
+			if self.max_value > 0 and (self.height_change or self.y_ratio == 0):
+				self.max_value += 100 - self.max_value % 100
+				self.y_ratio = float(self.prev_height)/self.max_value
+				self.height_change = True
+
+			#x
+			x_size = len(pe_list[0][pe_list_value][0])
+			entry_number = 0
+			if self.entry_width * x_size > self.darea.allocation.width:
+				entry_number = self.darea.allocation.width // self.entry_width
+				self.pe_remove_entry_num = x_size - entry_number
+				each_entry(self.pe_remove_entry)
+
+			#dash
+			self.cr.set_source_rgb(0, 0, 0)
+			self.cr.set_dash((1, 5))
+			#dash line for x
+			if entry_number == 0:
+				entry_number = self.darea.allocation.width // self.entry_width
+			x = 0
+			while x < self.darea.allocation.width:
+				x += self.entry_width * 10
+				self.cr.move_to(x, 0)
+				self.cr.line_to(x, self.prev_height)
+			#dash line for y
+			self.cr.move_to(0, 10)
+			self.cr.show_text(str(self.max_value))
+
+			self.cr.move_to(0, self.darea.allocation.height/4*3)
+			self.cr.show_text(str(self.max_value/4*3))
+			self.cr.line_to(self.darea.allocation.width, self.darea.allocation.height/4*3)
+
+			self.cr.move_to(0, self.darea.allocation.height/2)
+			self.cr.show_text(str(self.max_value/2))
+			self.cr.line_to(self.darea.allocation.width, self.darea.allocation.height/2)
+
+			self.cr.move_to(0, self.darea.allocation.height/4)
+			self.cr.show_text(str(self.max_value/4))
+			self.cr.line_to(self.darea.allocation.width, self.darea.allocation.height/4)
+
+			self.cr.stroke()
+			self.cr.set_dash(())
+
+			self.line_max = 0
+			each_entry(self.pe_gtk_line)
+			if self.line_max > 0 and self.line_max * 2 < self.max_value:
+				self.max_value = self.line_max
+				self.y_ratio = 0
+
+			self.height_change = False
+
+	PyApp()
+	gtk.main()
+	if in_gdb:
+		gdb.execute("tstop", True, False)
+	else:
+		gtp.tstop()
+	exit(0)
--- /dev/null
+++ b/scripts/gtp/getgtprsp.pl
@@ -0,0 +1,141 @@
+#!/usr/bin/perl
+
+# This script to get the GDB tracepoint RSP package and save it
+# to ./gtpstart and ./gtpstop file.
+# GPL
+# Copyright(C) Hui Zhu (teawater@xxxxxxxxx), 2010, 2011
+
+binmode STDIN, ":raw";
+$| = 1;
+
+$status = 0;
+$circular = 0;
+$var_count = 0;
+
+while (1) {
+	sysread STDIN, $c, 1 or next;
+	if ($c eq '') {
+		next;
+	} elsif ($c eq '+' || $c eq '-') {
+		$c = '';
+	}
+
+	sysread STDIN, $line, 1024 or next;
+	print '+';
+	$line = $c.$line;
+
+	open(LOG, ">>./log");
+	print LOG $line."\n";
+	close (LOG);
+
+	if ($status == 0) {
+		if ($line eq '$?#3f') {
+			print '$S05#b8';
+		} elsif ($line eq '$g#67') {
+			print '$00000000#80';
+		} elsif ($line eq '$k#6b') {
+			exit;
+		} elsif ($line =~ /^\$m/ || $line =~ /^\$p/) {
+			print '$00000000#80';
+		} elsif ($line eq '$qTStatus#49') {
+			print '$T0;tnotrun:0;tframes:0;tcreated:0;tsize:';
+			print '500000;tfree:500000;circular:0;disconn:0#d1';
+		} elsif ($line eq '$QTBuffer:circular:1#f9') {
+			print '$OK#9a';
+			$circular = 1;
+		} elsif ($line eq '$QTBuffer:circular:0#f8') {
+			print '$OK#9a';
+			$circular = 0;
+		} elsif ($line eq '$QTStop#4b') {
+			print '$OK#9a';
+		} elsif ($line =~ /^\$qSupported/) {
+			print '$ConditionalTracepoints+;TracepointSource+#1b';
+		} elsif ($line eq '$QTinit#59') {
+			$status = 1;
+			open(STARTFILE, ">./gtpstart");
+			print STARTFILE '$QTDisconnected:1#e3'."\n";
+			if ($circular) {
+				print STARTFILE '$QTBuffer:circular:1#f9'."\n";
+			} else {
+				print STARTFILE '$QTBuffer:circular:0#f8'."\n";
+			}
+		} elsif ($line eq '$qTfV#81') {
+			print '$18:0:1:6972715f636f756e74#ca';
+		} elsif ($line eq '$qTsV#8e') {
+			if ($var_count == 0) {
+				print '$17:0:1:736f66746972715f636f756e74#a6';
+			} elsif ($var_count == 1) {
+				print '$16:0:1:686172646972715f636f756e74#70';
+			} elsif ($var_count == 2) {
+				print '$15:0:1:6c6173745f6572726e6f#59';
+			} elsif ($var_count == 3) {
+				print '$14:0:1:69676e6f72655f6572726f72#38';
+			} elsif ($var_count == 4) {
+				print '$13:0:1:7874696d655f6e736563#35';
+			} elsif ($var_count == 5) {
+				print '$12:0:1:7874696d655f736563#99';
+			} elsif ($var_count == 6) {
+				print '$11:0:1:6b726574#48';
+			} elsif ($var_count == 7) {
+				print '$10:0:1:70635f70655f656e#4e';
+			} elsif ($var_count == 8) {
+				print '$f:0:1:6370755f6e756d626572#29';
+			} elsif ($var_count == 9) {
+				print '$e:0:1:6e6f5f73656c665f7472616365#ca';
+			} elsif ($var_count == 10) {
+				print '$d:0:1:64756d705f737461636b#22';
+			} elsif ($var_count == 11) {
+				print '$c:0:1:7072696e746b5f666f726d6174#c7';
+			} elsif ($var_count == 12) {
+				print '$b:8:1:7072696e746b5f6c6576656c#66';
+			} elsif ($var_count == 13) {
+				print '$a:0:1:7072696e746b5f746d70#54';
+			} elsif ($var_count == 14) {
+				print '$9:0:1:646973636172645f706167655f6e756d#ab';
+			} elsif ($var_count == 15) {
+				print '$8:0:1:636f6f6b65645f7264747363#01';
+			} elsif ($var_count == 16) {
+				print '$7:0:1:7264747363#57';
+			} elsif ($var_count == 17) {
+				print '$6:0:1:636f6f6b65645f636c6f636b#8d';
+			} elsif ($var_count == 18) {
+				print '$5:0:1:636c6f636b#e3';
+			} elsif ($var_count == 19) {
+				print '$4:0:1:63757272656e745f7468726561645f696e666f#21';
+			} elsif ($var_count == 20) {
+				print '$3:0:1:63757272656e745f7461736b#c9';
+			} elsif ($var_count == 21) {
+				print '$2:0:1:6370755f6964#f1';
+			} elsif ($var_count == 22) {
+				print '$1:0:1:6774705f76657273696f6e#6b';
+			} elsif ($var_count == 23) {
+				print '$19:0:1:706970655f7472616365#cb';
+			} elsif ($var_count == 24) {
+				print '$1a:0:1:63757272656e745f7461736b5f706964#03';
+			} elsif ($var_count == 25) {
+				print '$1b:200:1:6274#d7';
+			} else {
+				print '$l#6c';
+			}
+			$var_count++;
+		} else {
+			print '$#00';
+		}
+	}
+
+	if ($status == 1) {
+		print '$OK#9a';
+
+		print STARTFILE $line."\n";
+
+		if ($line eq '$QTStart#b3') {
+			$status = 0;
+
+			close(STARTFILE);
+
+			open(STOPFILE, ">./gtpstop");
+			print STOPFILE '$QTStop#4b'."\n";
+			close(STOPFILE);
+		}
+	}
+}
--- /dev/null
+++ b/scripts/gtp/getmod.py
@@ -0,0 +1,148 @@
+#!/usr/bin/python
+
+# This script is used by GDB to load the symbols from Linux kernel modules
+# GPL
+# Copyright(C) KGTP team (https://code.google.com/p/kgtp/), 2011, 2012
+
+#Set special mod_search_dir
+#set $mod_search_dir="dir"
+#Clear special mod_search_dir
+#set $mod_search_dir=(void)1
+#Not ignore gtp.ko
+#set $ignore_gtp_ko=0
+
+import gdb
+import os
+
+def get_pagination():
+	buf = gdb.execute("show pagination", False, True)
+	begin = buf.find("State of pagination is ") + len("State of pagination is ")
+	if begin < 0:
+		raise NotImplementedError("Cannot get pagination")
+	buf = buf[begin:]
+	end = buf.rfind(".")
+	buf = buf[:end]
+
+	return buf
+
+pagination = get_pagination()
+gdb.execute("set pagination off", False, False)
+
+def format_file(name):
+	tmp = ""
+	for c in name:
+		if c == "_":
+			c = "-"
+		tmp += c
+	return tmp
+
+#Check if the target is available
+if str(gdb.selected_thread()) == "None":
+	raise gdb.error("Please connect to Linux Kernel before use the script.")
+
+#Output the help
+print "Use GDB command \"set $mod_search_dir=dir\" to set an directory for search the modules."
+
+ignore_gtp_ko = gdb.parse_and_eval("$ignore_gtp_ko")
+if ignore_gtp_ko.type.code == gdb.TYPE_CODE_INT:
+	ignore_gtp_ko = int(ignore_gtp_ko)
+else:
+	ignore_gtp_ko = 1
+
+#Get the mod_search_dir
+mod_search_dir_list = []
+#Get dir from $mod_search_dir
+tmp_dir = gdb.parse_and_eval("$mod_search_dir")
+if tmp_dir.type.code == gdb.TYPE_CODE_ARRAY:
+	tmp_dir = str(tmp_dir)
+	tmp_dir = tmp_dir[1:len(tmp_dir)]
+	tmp_dir = tmp_dir[0:tmp_dir.index("\"")]
+	mod_search_dir_list.append(tmp_dir)
+#Get dir that same with current vmlinux
+tmp_dir = str(gdb.execute("info files", False, True))
+tmp_dir = tmp_dir[tmp_dir.index("Symbols from \"")+len("Symbols from \""):len(tmp_dir)]
+tmp_dir = tmp_dir[0:tmp_dir.index("\"")]
+tmp_dir = tmp_dir[0:tmp_dir.rindex("/")]
+mod_search_dir_list.append(tmp_dir)
+#Get the dir of current Kernel
+tmp_dir = "/lib/modules/" + str(os.uname()[2])
+if os.path.isdir(tmp_dir):
+	mod_search_dir_list.append(tmp_dir)
+#Let user choice dir
+mod_search_dir = ""
+while mod_search_dir == "":
+	for i in range(0, len(mod_search_dir_list)):
+		print str(i)+". "+mod_search_dir_list[i]
+	try:
+		s = input('Select a directory for search the modules [0]:')
+	except SyntaxError:
+		s = 0
+	except:
+		continue
+	if s < 0 or s >= len(mod_search_dir_list):
+		continue
+	mod_search_dir = mod_search_dir_list[s]
+
+mod_list_offset = long(gdb.parse_and_eval("((size_t) &(((struct module *)0)->list))"))
+mod_list = long(gdb.parse_and_eval("(&modules)"))
+mod_list_current = mod_list
+
+while 1:
+	mod_list_current = long(gdb.parse_and_eval("((struct list_head *) "+str(mod_list_current)+")->next"))
+
+	#check if need break the loop
+	if mod_list == mod_list_current:
+		break
+
+	mod = mod_list_current - mod_list_offset
+
+	#get mod_name
+	mod_name = str(gdb.parse_and_eval("((struct module *)"+str(mod)+")->name"))
+	mod_name = mod_name[mod_name.index("\"")+1:len(mod_name)]
+	mod_name = mod_name[0:mod_name.index("\"")]
+	mod_name += ".ko"
+	mod_name = format_file(mod_name)
+
+	#get mod_dir_name
+	mod_dir_name = ""
+	for root, dirs, files in os.walk(mod_search_dir):
+		for afile in files:
+			tmp_file = format_file(afile)
+			if tmp_file == mod_name:
+				mod_dir_name = os.path.join(root,afile)
+				break
+		if mod_dir_name != "":
+			break
+
+	command = " "
+
+	#Add module_core to command
+	command += str(gdb.parse_and_eval("((struct module *)"+str(mod)+")->module_core"))
+
+	#Add each sect_attrs->attrs to command
+	#get nsections
+	nsections = int(gdb.parse_and_eval("((struct module *)"+str(mod)+")->sect_attrs->nsections"))
+	sect_attrs = long(gdb.parse_and_eval("(u64)((struct module *)"+str(mod)+")->sect_attrs"))
+	for i in range(0, nsections):
+		command += " -s"
+		tmp = str(gdb.parse_and_eval("((struct module_sect_attrs *)"+str(sect_attrs)+")->attrs["+str(i)+"].name"))
+		tmp = tmp[tmp.index("\"")+1:len(tmp)]
+		tmp = tmp[0:tmp.index("\"")]
+		command += " "+tmp
+		tmp = str(gdb.parse_and_eval("((struct module_sect_attrs *)"+str(sect_attrs)+")->attrs["+str(i)+"].address"))
+		command += " "+tmp
+
+	if mod_dir_name == "":
+		print "Cannot find out",mod_name,"from directory."
+		print "Please use following command load the symbols from it:"
+		print "add-symbol-file some_dir/"+mod_name+command
+	else:
+		if ignore_gtp_ko and mod_name == "gtp.ko":
+			print "gtp.ko is ignored.  You can use command \"set $ignore_gtp_ko=0\" to close this ignore."
+			print "Or you can use following command load the symbols from it:"
+			print "add-symbol-file "+mod_dir_name+command
+		else:
+			#print "add-symbol-file "+mod_dir_name+command
+			gdb.execute("add-symbol-file "+mod_dir_name+command, False, False)
+
+gdb.execute("set pagination " + pagination, False, False)
--
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