ARM平台移植strace-4.11

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系统环境:Ubuntu 14.04.3 LTS
源码:strace-4.11.tar.xz
交叉编译环境:arm-none-linux-gnueabi-


[zhaojq@virtual-machine]# tar -xvf strace-4.11.tar.xz
[zhaojq@virtual-machine]# cd strace-4.11/
[zhaojq@virtual-machine]# ./configure --prefix=/home/zhaojq/strace --host=arm-none-linux CC=arm-none-linux-gnueabi-gcc LD=arm-none-linux-gnueabi-ld

[zhaojq@virtual-machine]# make
[zhaojq@virtual-machine]# make install
生成成功

交叉编译后的可执行文件在/home/zhaojq/strace目录的bin文件夹里
[zhaojq@virtual-machine strace/bin]# ls
strace  strace-graph  strace-log-merge
将所有文件都拷贝到ARM设备上文件系统的/bin目录里

通过strace打印出的信息,我们可以对什么时候产生了一个子线程,那个线程在等待,哪个线程被唤醒,哪个线程收到信号,哪个线程core掉有一个综合的了解,这些信息对多线程调试会起到很大的作用。


使用strace打印多线程程序信息的命令如下:
[zhaojq@ARM-machine]# strace cat /dev/null 

execve("/bin/cat", ["cat", "/dev/null"], [/* 15 vars */]) = 0
brk(NULL)                               = 0xbc000
uname({sysname="Linux", nodename="ARM-machine", ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x400cd000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = -1 ENOENT (No such file or directory)
open("/lib/tls/v7l/fast-mult/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/v7l/fast-mult/half", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/tls/v7l/fast-mult/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/v7l/fast-mult", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/tls/v7l/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/v7l/half", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/tls/v7l/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/v7l", 0xbec1e420)      = -1 ENOENT (No such file or directory)
open("/lib/tls/fast-mult/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/fast-mult/half", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/tls/fast-mult/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/fast-mult", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/tls/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/half", 0xbec1e420)     = -1 ENOENT (No such file or directory)
open("/lib/tls/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls", 0xbec1e420)          = -1 ENOENT (No such file or directory)
open("/lib/v7l/fast-mult/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/v7l/fast-mult/half", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/v7l/fast-mult/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/v7l/fast-mult", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/v7l/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/v7l/half", 0xbec1e420)     = -1 ENOENT (No such file or directory)
open("/lib/v7l/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/v7l", 0xbec1e420)          = -1 ENOENT (No such file or directory)
open("/lib/fast-mult/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/fast-mult/half", 0xbec1e420) = -1 ENOENT (No such file or directory)
open("/lib/fast-mult/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/fast-mult", 0xbec1e420)    = -1 ENOENT (No such file or directory)
open("/lib/half/libcrypt.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/half", 0xbec1e420)         = -1 ENOENT (No such file or directory)
open("/lib/libcrypt.so.1", O_RDONLY)    = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0@\7\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=30224, ...}) = 0
mmap2(NULL, 221508, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x40141000
mprotect(0x40148000, 28672, PROT_NONE)  = 0
mmap2(0x4014f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x4014f000
mmap2(0x40151000, 155972, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40151000
close(3)                                = 0
open("/lib/libm.so.6", O_RDONLY)        = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\3701\0\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=431680, ...}) = 0
mmap2(NULL, 463016, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x40178000
mprotect(0x401e1000, 28672, PROT_NONE)  = 0
mmap2(0x401e8000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x68000) = 0x401e8000
close(3)                                = 0
open("/lib/libc.so.6", O_RDONLY)        = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0000[\1\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1209852, ...}) = 0
mmap2(NULL, 1246412, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x401ea000
mprotect(0x4030d000, 32768, PROT_NONE)  = 0
mmap2(0x40315000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x123000) = 0x40315000
mmap2(0x40318000, 9420, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40318000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40078000
set_tls(0x400787e0, 0x400d58fc, 0x40078eb8, 0x400787e0, 0x400d5000) = 0
mprotect(0x401ea000, 1191936, PROT_READ|PROT_WRITE) = 0
mprotect(0x401ea000, 1191936, PROT_READ|PROT_EXEC) = 0
mprotect(0x40315000, 8192, PROT_READ)   = 0
mprotect(0x401e8000, 4096, PROT_READ)   = 0
mprotect(0x4014f000, 4096, PROT_READ)   = 0
mprotect(0xb8000, 4096, PROT_READ)      = 0
mprotect(0x400d4000, 4096, PROT_READ)   = 0
getuid32()                              = 0
open("/dev/null", O_RDONLY|O_LARGEFILE) = 3
read(3, "", 4096)                       = 0
close(3)                                = 0
exit_group(0)                           = ?
+++ exited with 0 +++

每一行都是一条系统调用,等号左边是系统调用的函数名及其参数,右边是该调用的返回值。
strace 显示这些调用的参数并返回符号形式的值。strace 从内核接收信息,而且不需要以任何特殊的方式来构建内核。


strace参数
-c 统计每一系统调用的所执行的时间,次数和出错的次数等. 
-d 输出strace关于标准错误的调试信息. 
-f 跟踪由fork调用所产生的子进程. 
-ff 如果提供-o filename,则所有进程的跟踪结果输出到相应的filename.pid中,pid是各进程的进程号. 
-F 尝试跟踪vfork调用.在-f时,vfork不被跟踪. 
-h 输出简要的帮助信息. 
-i 输出系统调用的入口指针. 
-q 禁止输出关于脱离的消息. 
-r 打印出相对时间关于,,每一个系统调用. 
-t 在输出中的每一行前加上时间信息. 
-tt 在输出中的每一行前加上时间信息,微秒级. 
-ttt 微秒级输出,以秒了表示时间. 
-T 显示每一调用所耗的时间. 
-v 输出所有的系统调用.一些调用关于环境变量,状态,输入输出等调用由于使用频繁,默认不输出. 
-V 输出strace的版本信息. 
-x 以十六进制形式输出非标准字符串 
-xx 所有字符串以十六进制形式输出. 
-a column 
设置返回值的输出位置.默认 为40. 
-e expr 
指定一个表达式,用来控制如何跟踪.格式如下: 
[qualifier=][!]value1[,value2]... 
qualifier只能是 trace,abbrev,verbose,raw,signal,read,write其中之一.value是用来限定的符号或数字.默认的 qualifier是 trace.感叹号是否定符号.例如: 
-eopen等价于 -e trace=open,表示只跟踪open调用.而-etrace!=open表示跟踪除了open以外的其他调用.有两个特殊的符号 all 和 none. 
注意有些shell使用!来执行历史记录里的命令,所以要使用\\. 
-e trace=set 
只跟踪指定的系统 调用.例如:-e trace=open,close,rean,write表示只跟踪这四个系统调用.默认的为set=all. 
-e trace=file 
只跟踪有关文件操作的系统调用. 
-e trace=process 
只跟踪有关进程控制的系统调用. 
-e trace=network 
跟踪与网络有关的所有系统调用. 
-e strace=signal 
跟踪所有与系统信号有关的 系统调用 
-e trace=ipc 
跟踪所有与进程通讯有关的系统调用 
-e abbrev=set 
设定 strace输出的系统调用的结果集.-v 等与 abbrev=none.默认为abbrev=all. 
-e raw=set 
将指 定的系统调用的参数以十六进制显示. 
-e signal=set 
指定跟踪的系统信号.默认为all.如 signal=!SIGIO(或者signal=!io),表示不跟踪SIGIO信号. 
-e read=set 
输出从指定文件中读出 的数据.例如: 
-e read=3,5 
-e write=set 
输出写入到指定文件中的数据. 
-o filename 
将strace的输出写入文件filename 
-p pid 
跟踪指定的进程pid. 
-s strsize 
指定输出的字符串的最大长度.默认为32.文件名一直全部输出. 
-u username 
以username 的UID和GID执行被跟踪的命令

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