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oerr ora code 命令
[oracle@q9-gg02 ~]$ oerr ora 10047 10047, 00000, "trace switching of sessions" // *Cause: // *Action:
unix/linux系统下$ORACLE_HOME/rdbms/mesg/oraus.msg包含ora-记录
[oracle@q9-gg02 ~]$ vi $ORACLE_HOME/rdbms/mesg/oraus.msg ………… 10047, 00000, "trace switching of sessions" // *Cause: // *Action: 10048, 00000, "Undo segment shrink" // *Cause: // *Action: 10049, 00000, "protect library cache memory heaps" // *Cause: // *Action: Use the OS memory protection (if available) to protect library // cache memory heaps that are pinned.
oerr ora code本质
[oracle@q9-gg02 ~]$ strace oerr ora 10047
execve("/u01/oracle/app/product/10.2/db_1/bin/oerr", ["oerr", "ora", "10047"], [/* 34 vars */]) = 0
brk(0) = 0x1c239000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b60db3fe000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b60db3ff000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/u01/oracle/app/product/10.2/db_1/lib/tls/x86_64/libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/u01/oracle/app/product/10.2/db_1/lib/tls/x86_64", 0x7fff7a3cb830) = -1 ENOENT (No such file or directory)
open("/u01/oracle/app/product/10.2/db_1/lib/tls/libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/u01/oracle/app/product/10.2/db_1/lib/tls", 0x7fff7a3cb830) = -1 ENOENT (No such file or directory)
open("/u01/oracle/app/product/10.2/db_1/lib/x86_64/libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/u01/oracle/app/product/10.2/db_1/lib/x86_64", 0x7fff7a3cb830) = -1 ENOENT (No such file or directory)
open("/u01/oracle/app/product/10.2/db_1/lib/libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/u01/oracle/app/product/10.2/db_1/lib", {st_mode=S_IFDIR|0750, st_size=12288, ...}) = 0
open("tls/x86_64/libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("tls/libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("x86_64/libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("libtermcap.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=154281, ...}) = 0
mmap(NULL, 154281, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2b60db400000
close(3) = 0
open("/lib64/libtermcap.so.2", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\20 \214>\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=15840, ...}) = 0
mmap(0x3e8c200000, 2108944, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3e8c200000
mprotect(0x3e8c203000, 2093056, PROT_NONE) = 0
mmap(0x3e8c402000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x3e8c402000
close(3) = 0
open("/u01/oracle/app/product/10.2/db_1/lib/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("tls/x86_64/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("tls/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("x86_64/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libdl.so.2", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\16`\214>\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=23360, ...}) = 0
mmap(0x3e8c600000, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3e8c600000
mprotect(0x3e8c602000, 2097152, PROT_NONE) = 0
mmap(0x3e8c802000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x3e8c802000
close(3) = 0
open("/u01/oracle/app/product/10.2/db_1/lib/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
open("tls/x86_64/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
open("tls/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
open("x86_64/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
open("libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/lib64/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220\332\341\213>\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1722328, ...}) = 0
mmap(0x3e8be00000, 3502424, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3e8be00000
mprotect(0x3e8bf4f000, 2093056, PROT_NONE) = 0
mmap(0x3e8c14e000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14e000) = 0x3e8c14e000
mmap(0x3e8c153000, 16728, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3e8c153000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b60db426000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b60db427000
arch_prctl(ARCH_SET_FS, 0x2b60db426fe0) = 0
mprotect(0x3e8c802000, 4096, PROT_READ) = 0
mprotect(0x3e8c14e000, 16384, PROT_READ) = 0
mprotect(0x3e8bc1c000, 4096, PROT_READ) = 0
munmap(0x2b60db400000, 154281) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
open("/dev/tty", O_RDWR|O_NONBLOCK) = 3
close(3) = 0
brk(0) = 0x1c239000
brk(0x1c25a000) = 0x1c25a000
open("/usr/lib/locale/locale-archive", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=56458208, ...}) = 0
mmap(NULL, 56458208, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2b60db428000
close(3) = 0
getuid() = 1000
getgid() = 1000
geteuid() = 1000
getegid() = 1000
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
open("/proc/meminfo", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b60dea00000
read(3, "MemTotal: 132051308 kB\nMemFr"..., 1024) = 781
close(3) = 0
munmap(0x2b60dea00000, 4096) = 0
rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigaction(SIGQUIT, {0x1, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
uname({sys="Linux", node="q9-gg02.800best.com", ...}) = 0
stat("/home/oracle", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
stat(".", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
getpid() = 25928
open("/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=25464, ...}) = 0
mmap(NULL, 25464, PROT_READ, MAP_SHARED, 3, 0) = 0x2b60dea00000
close(3) = 0
getppid() = 25927
getpgrp() = 25927
rt_sigaction(SIGCHLD, {0x436360, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
open("/u01/oracle/app/product/10.2/db_1/bin/oerr", O_RDONLY) = 3
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff7a3cc060) = -1 ENOTTY (Inappropriate ioctl for device)
lseek(3, 0, SEEK_CUR) = 0
read(3, "#!/bin/sh\n#\n# $Id: oerr 28-aug-2"..., 80) = 80
lseek(3, 0, SEEK_SET) = 0
getrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=64*1024}) = 0
dup2(3, 255) = 255
close(3) = 0
fcntl(255, F_SETFD, FD_CLOEXEC) = 0
fcntl(255, F_GETFL) = 0x8000 (flags O_RDONLY|O_LARGEFILE)
fstat(255, {st_mode=S_IFREG|0755, st_size=2365, ...}) = 0
lseek(255, 0, SEEK_CUR) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "#!/bin/sh\n#\n# $Id: oerr 28-aug-2"..., 2365) = 2365
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pipe([3, 4]) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
lseek(255, -973, SEEK_CUR) = 1392
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x2b60db427070) = 25929
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGCHLD, {0x436360, [], SA_RESTORER, 0x3e8be302d0}, {0x436360, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
close(4) = 0
read(3, "ora:rdbms:*:\n", 128) = 13
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 25929
wait4(-1, 0x7fff7a3cb804, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigreturn(0) = 0
close(3) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x436f40, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {0x436f40, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "if [ $? -ne 0 ]\nthen\n\techo \"oerr"..., 2365) = 973
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pipe([3, 4]) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
lseek(255, -645, SEEK_CUR) = 1720
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x2b60db427070) = 25931
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGCHLD, {0x436360, [], SA_RESTORER, 0x3e8be302d0}, {0x436360, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
close(4) = 0
read(3, "Facility=ora\nComponent=rdbms\n", 128) = 29
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 25931
wait4(-1, 0x7fff7a3cb904, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigreturn(0) = 0
close(3) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x436f40, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {0x436f40, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "if [ -z \"$Facility\" -o -z \"$Comp"..., 2365) = 645
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
--检查oraus.msg文件是否存在并且有权限访问
stat("/u01/oracle/app/product/10.2/db_1/rdbms/mesg/oraus.msg", {st_mode=S_IFREG|0644, st_size=3789794, ...}) = 0
geteuid() = 1000
getegid() = 1000
getuid() = 1000
getgid() = 1000
--访问oraus.msg文件
access("/u01/oracle/app/product/10.2/db_1/rdbms/mesg/oraus.msg", R_OK) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
stat(".", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
--查找awk命令位置
stat("/u01/oracle/app/product/10.2/db_1/jre/1.4.2/bin/awk", 0x7fff7a3cbe80) = -1 ENOENT (No such file or directory)
stat("/u01/oracle/app/product/10.2/db_1/bin/awk", 0x7fff7a3cbe80) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/qt-3.3/bin/awk", 0x7fff7a3cbe80) = -1 ENOENT (No such file or directory)
stat("/usr/kerberos/bin/awk", 0x7fff7a3cbe80) = -1 ENOENT (No such file or directory)
stat("/usr/local/bin/awk", 0x7fff7a3cbe80) = -1 ENOENT (No such file or directory)
--找到awk命令
stat("/bin/awk", {st_mode=S_IFREG|0755, st_size=338744, ...}) = 0
access("/bin/awk", X_OK) = 0
access("/bin/awk", R_OK) = 0
stat("/bin/awk", {st_mode=S_IFREG|0755, st_size=338744, ...}) = 0
access("/bin/awk", X_OK) = 0
access("/bin/awk", R_OK) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [INT CHLD], 8) = 0
rt_sigprocmask(SIG_SETMASK, [INT CHLD], NULL, 8) = 0
lseek(255, -8, SEEK_CUR) = 2357
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x2b60db427070) = 25934
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x436f40, [], SA_RESTORER, 0x3e8be302d0}, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
--通过awk命令获取oraus.msg中相关命令
wait4(-1, 10047, 00000, "trace switching of sessions"
// *Cause:
// *Action:
[{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 25934
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
wait4(-1, 0x7fff7a3cbb54, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigreturn(0xffffffffffffffff) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x3e8be302d0}, {0x436f40, [], SA_RESTORER, 0x3e8be302d0}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
read(255, "\nexit 0\n", 2365) = 8
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
exit_group(0) = ?
通过这里可以知道oerr其实就是通过awk对$ORACLE_HOME/rdbms/mesg/oraus.msg文件进行筛选，显示出来对应ORA-错误号的提示