小编bra*_*ant的帖子

我最近看到一个屏幕截图，看起来像是在使用“top”命令，但它显示了更多关于 CPU 使用情况的深入信息：

该程序详细显示了 Wordpress 中的哪个插件占用了所有资源。这怎么可能？

当我strace处理 MySQL 时，我一遍又一遍地发现相同的错误：

setsockopt(240, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported)
futex(0x87ab944, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x87ab940, {FUTEX_OP_SET, 0,         FUTEX_OP_CMP_GT, 1}) = 1
futex(0x87ab260, FUTEX_WAKE_PRIVATE, 1) = 1
select(13, [10 12], NULL, NULL, NULL)   = 1 (in [12])
fcntl64(12, F_SETFL, O_RDWR|O_NONBLOCK) = 0
accept(12, {sa_family=AF_FILE, path="\246\32629iE"...}, [2]) = 803
fcntl64(12, F_SETFL, O_RDWR)            = 0
getsockname(803, {sa_family=AF_FILE, path="/var/lib/mysql\1"...}, [28]) = 0
fcntl64(803, F_SETFL, O_RDONLY)         = 0
fcntl64(803, F_GETFL)                   = 0x2 (flags O_RDWR)
fcntl64(803, F_SETFL, O_RDWR|O_NONBLOCK) = 0 …