在我們的雲機系統上,某個計算節點利用率極高,該計算節點起了66個虛擬機
[olinjg@compute-13 ~]$ ps -eLf |grep kvm |grep 8070 |awk '{print $2 " " $3 " "$4}'
8070 1 8070
8070 1 8072
8070 1 8073
8070 1 8075
8070 1 8078
8070 1 8087
8070 1 8070
8070 1 8072
8070 1 8073
8070 1 8075
8070 1 8078
8070 1 8087
Process 8072 attached - interrupt to quit
rt_sigtimedwait([BUS USR1], 0x7f33174e7c00, {0, 0}, 8) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigpending([]) = 0
ioctl(15, 0xae80, 0) = 0
ioctl(15, 0xae80, 0) = 0
ioctl(15, 0xae80, 0) = 0
ioctl(11, 0xffffffffc008ae67, 0x7f33174e7a70) = 0
ioctl(11, 0xffffffffc008ae67, 0x7f33174e7aa0) = 0
ioctl(15, 0xae80, 0) = 0
Process 8073 attached - interrupt to quit
rt_sigtimedwait([BUS USR1], 0x7f3316ae6c00, {0, 0}, 8) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigpending([]) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(11, 0xffffffffc008ae67, 0x7f3316ae6a70) = 0
ioctl(11, 0xffffffffc008ae67, 0x7f3316ae6aa0) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(11, 0xffffffffc008ae67, 0x7f3316ae6aa0) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(16, 0xae80, 0) = 0
ioctl(16, 0xae80, 0) = 0
似乎只執行了read write select等幾個簡單的系統調用函數
read(9, 0x7fff02954ad0, 1) = -1 EIO (Input/output error)
read(3, 0x7fff02955a40, 128) = -1 EAGAIN (Resource temporarily unavailable)
read(51, 0x7f331c68d53c, 69632) = -1 EAGAIN (Resource temporarily unavailable)
read(51, 0x7f331c68d53c, 69632) = -1 EAGAIN (Resource temporarily unavailable)
read(9, 0x7fff02954ad0, 1) = -1 EIO (Input/output error)
read(51, 0x7f331c68d53c, 69632) = -1 EAGAIN (Resource temporarily unavailable)
read(9, 0x7fff02954ad0, 1) = -1 EIO (Input/output error)