23:07:24.672849execve("./test_exit",["./test_exit"],[/* 35 vars */])=023:07:24.674665arch_prctl(ARCH_SET_FS,0x7f1c0eca7740)=023:07:24.675108exit_group(1)=?23:07:24.675259+++exitedwith1+++ 可以看出,进程自己退出时(调用exit函数,或者从main函数返回), 最终调用的是exit_group系统调用, ...
+++ exited with 0 +++ 如果要显示由特定进程(如SSH)打开的文件,请运行以下命令: strace -f -e open /usr/sbin/sshd 2>&1 | grep ssh Output open("/etc/ssh/sshd_config", O_RDONLY) = 3 open("/etc/ssh/ssh_host_rsa_key", O_RDONLY) = -1 EACCES (Permission denied) open("/etc/ssh/...
+++ exited with1+++[root@localhost ovs]# ls/usr/local/bin/../share/qemu/qemu/ls: cannot access/usr/local/bin/../share/qemu/qemu/: No such file or directory qemu安装 Installing /data1/qemu5.1/qemu/pc-bios/efi-eepro100.rom to/usr/share/qemu/qemuInstalling /data1/qemu5.1/qemu/pc-b...
33816 04:34:23.887734 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 33816 04:34:23.887775 exit_group(0) = ? 33816 04:34:23.887839 +++ exited with 0 +++ 可以看到system执行了clone生成了一个子进程33817,然...
close(1) = 0 close(2) = 0 exit_group(0) = ? +++ exited with 0 +++ 2. Send strace output to a file with -o option It is better to collect the stace date in a file for a analysis. -o option alloes the strace output to be redirected to file. ...
+++ exited with0+++ 上面的输出,每一行显示一个系统调用,包含系统调用名、调用参数、以及返回值(=后的内容),譬如输出: openat(AT_FDCWD,".",O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_CLOEXEC|O_DIRECTORY)=3 表示调用了open(),打开的是当前目录".",传递的 flags 参数为O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_CL...
While structures are annotated using curly braces, simple pointers and arrays are printed using square brackets with commas separating elements. Here is an example from the command ''id'' on a system with supplementary group ids: getgroups(32, [100, 0]) = 2 ...
open("/etc/ld.so.cache", O_RDONLY) = 3 19:43:28.012446 fstat(3, {st_mode=S_IFREG|0644, st_size=61239, ...}) = 0 19:43:28.012464 mmap(NULL, 61239, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fc869ca1000 19:43:28.012483 close(3) = 0...19:43:28.013410 +++ exited with 0 +...
in printing of environment strings (#358241) - improve prctl decoding (#364401) - fix hang wait on exited child with exited child (#354261) - fix biarch fork/vfork (-f) tracing (#447475) - fix biarch printing of negative argument kill (#430585) - fix biarch decoding of error ...
write(1, "file1 file2\n", 13file1 file2 ) = 13 close(1) = 0 munmap(0x7fd002c8d000, 4096) = 0 close(2) = 0 exit_group(0) = ? +++ exited with 0 +++ [root@sandbox tmp]# The output on the screen after running thestracecommand was simply system calls made to run thelsco...