[kgtp] r974 committed - Hotcode can show line info now.
- From: kgtp@xxxxxxxxxxxxxx
- To: kgtp@xxxxxxxxxxxxx
- Date: Sun, 18 Mar 2012 16:08:35 +0000
Revision: 974
Author: teawater
Date: Sun Mar 18 09:08:01 2012
Log: Hotcode can show line info now.
http://code.google.com/p/kgtp/source/detail?r=974
Modified:
/branches/hotcode/hotcode.py
=======================================
--- /branches/hotcode/hotcode.py Mon Mar 12 22:23:19 2012
+++ /branches/hotcode/hotcode.py Sun Mar 18 09:08:01 2012
@@ -91,55 +91,69 @@
return ret
#0 inferior_id 1 dir_name 2 kernel_list 3 user_list
+#list 0 function_list 1 file_list 2 line_list
task_list = {}
no_task = False
-kernel_hotcode_list = {}
-
-def task_list_add_function(is_user, pid, name):
+kernel_hotcode_list = ({},{},{})
+
+#info[0] line_num, info[1] file_name, info[2] function_name
+def add_info_to_code_list(info, code_list):
+ #function_list
+ if info[2] in code_list[0]:
+ code_list[0][info[2]] += 1
+ else:
+ code_list[0][info[2]] = 1
+ #file_list
+ if info[1] in code_list[1]:
+ code_list[1][info[1]] += 1
+ else:
+ code_list[1][info[1]] = 1
+ #line_list
+ line = info[1]+":"+info[0]
+ if line in code_list[2]:
+ code_list[2][line] += 1
+ else:
+ code_list[2][line] = 1
+
+def task_list_add_line(is_user, pid, info):
if no_task:
- if name in kernel_hotcode_list:
- kernel_hotcode_list[name] += 1
- else:
- kernel_hotcode_list[name] = 1
+ #function_list
+ add_info_to_code_list (info, kernel_hotcode_list)
else:
if is_user:
- if name in task_list[pid][3]:
- task_list[pid][3][name] += 1
- else:
- task_list[pid][3][name] = 1
+ add_info_to_code_list (info, task_list[pid][3])
else:
- if name in task_list[pid][2]:
- task_list[pid][2][name] += 1
- else:
- task_list[pid][2][name] = 1
+ add_info_to_code_list (info, task_list[pid][2])
show_line_number = 20
-def hotcode_show():
- if no_task:
- print "Kernel hotcode:"
+
+def hotcode_show_code_list(string, code_list):
+ if len(code_list) > 0:
+ print "\t", string
i = 1
- for c in dict_sort(kernel_hotcode_list):
- print c[0], "\t\t", c[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[0])
+ hotcode_show_code_list("Hotest file", kernel_hotcode_list[1])
+ hotcode_show_code_list("Hotest line", kernel_hotcode_list[2])
else:
for pid in task_list:
print "task", str(pid), task_list[pid][1]
print "Kernel hotcode:"
- i = 1
- for c in dict_sort(task_list[pid][2]):
- print c[0], "\t\t", c[1]
- i += 1
- if i > show_line_number:
- break
+ hotcode_show_code_list("Hotest function",
task_list[pid][2][0])
+ hotcode_show_code_list("Hotest file",
task_list[pid][2][1])
+ hotcode_show_code_list("Hotest line",
task_list[pid][2][2])
print "User hotcode:"
- i = 1
- for c in dict_sort(task_list[pid][3]):
- print c[0], "\t\t", c[1]
- i += 1
- if i > show_line_number:
- break
+ hotcode_show_code_list("Hotest function",
task_list[pid][3][0])
+ hotcode_show_code_list("Hotest file",
task_list[pid][3][1])
+ hotcode_show_code_list("Hotest line",
task_list[pid][3][2])
print
gdb.execute("set target-async on", True, False)
@@ -232,7 +246,7 @@
gdb.execute("add-symbol-file "+filename+"
("+addr+"+"+text_offset+")")
gdb.execute("file "+user_dir)
gdb.execute("inferior 1")
- task_list[pid] = (fid, user_dir, {}, {})
+ task_list[pid] = (fid, user_dir, ({},{},{}), ({},{},{}))
def get_ignore_str(function):
ret = ""
@@ -428,8 +442,8 @@
tempfile.write("commands\n")
tempfile.write("collect $no_self_trace\n")
tempfile.write("collect $pc_ip0\n")
+ tempfile.write("end\n")
else:
- tempfile.write("trace handle_irq\n")
pid_str = ""
for pid in task_list:
if pid_str != "":
@@ -448,13 +462,22 @@
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("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 $current_task_pid\n")
+ tempfile.write("end\n")
tempfile.close()
tempfile = open(tempfilename, "r")
print "Tracepoint command:"
@@ -472,33 +495,42 @@
#Connect to pipe
gdb.execute("target tfile /sys/kernel/debug/gtpframe_pipe")
-def get_function_from_sym(sym):
+def get_line_from_sym(sym):
sym = sym.rstrip(os.linesep)
- sym_end = sym.find(" in section")
- function = ""
- if sym_end > 0:
- function = sym[0:sym_end]
- function_list = function.split(' + ')
- function_list_len = len(function_list)
- if function_list_len >= 1:
- function = function_list[0]
- filename_offset = sym.find(" of ")
- if filename_offset > 0:
- function += sym[filename_offset:]
- else:
- function = ""
- if function == "":
- function = "Unknown address"
- return function
+
+ #Get line_num and file_name
+ begin = sym.find("Line ")
+ end = sym.find("\" starts at address")
+ line_num = "Unknow"
+ file_name = "Unknow"
+ if begin >= 0 and end > 0 and begin + len("Line ") < end:
+ line = sym[begin + len("Line "):end]
+ line = line.split(" of \"")
+ if len(line) == 2:
+ line_num = line[0]
+ file_name = line[1]
+ sym = sym[end:]
+
+ #Get function_name
+ begin = sym.find("<")
+ end = sym.find(">")
+ if begin >= 0 and end > 0 and begin + 1 < end:
+ function_name = sym[begin + 1:end]
+ end = function_name.rfind("+")
+ if end > 0:
+ function_name = function_name[:end]
+ else:
+ function_name = "Unknow"
+ return (line_num, file_name, function_name)
if no_task:
while 1:
try:
gdb.execute("tfind 0", False, True)
cpu_id = long(gdb.parse_and_eval("$cpu_id"));
- sym = gdb.execute("info symbol ($pc_ip"+str(cpu_id)+" -
1)", True, True)
- function = get_function_from_sym(sym)
- task_list_add_function(False, 0, function)
+ sym = gdb.execute("info line *($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", x)
except gdb.MemoryError, x:
@@ -522,12 +554,12 @@
else:
ip = long(gdb.parse_and_eval("regs->ip -
1"))
gdb.execute("inferior
"+str(task_list[pid][0]), False, True)
- sym = gdb.execute("info symbol
"+str(ip), True, True)
+ sym = gdb.execute("info line
*"+str(ip), True, True)
gdb.execute("inferior 1", False, True)
else:
- sym = gdb.execute("info symbol (regs->ip - 1)",
True, True)
- function = get_function_from_sym(sym)
- task_list_add_function(is_user, pid, function)
+ sym = gdb.execute("info line *(regs->ip - 1)",
True, True)
+ line = get_line_from_sym(sym)
+ task_list_add_line(is_user, pid, line)
except gdb.error, x:
print("Drop one entry because", x)
except gdb.MemoryError, x:
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