A system may include a motherboard, a chipset coupled to the motherboard, a memory module mount coupled to the chipset, a power transistor electrically coupled to the memory module mount, a voltage regulator to provide power to the power transistor, and an I/O expander coupled to the mother...
可用内存(free+buffers/cache)占total的20%以上 交换分区内存swap没有发生改变 下面情况说明内存过低,需要注意! 可用内存available(free+buffers/cache)过低,接近于0的时候 交换分区内存占用swap used增加或者有波动 dmesg | grep oom-killer显示有OutofMemory-killer正在运行 2.系统负载 uptime 命令 统计系统当前的运行...
Swap的负载保持在30%以下,这样才保证系统良好性能. 增加/删除Swap分区空间方法 一)、 通过增加一个swap文件; [root@localhost Desktop]# free total used free shared buffers cached Mem: 873436 744120 129316 0 55520 334260 -/+ buffers/cache: 354340 519096 Swap: 1769464 8 1769456[root@localhost Desktop]...
memory:基本的内存信息 swap:数字比较大基本就是内存出问题了 io:磁盘的输入输出次数,单位是Block,可以通过df + tune2fs -l devname | grep Block 查看 system:中断数和上下文切换数 CPU:中的us和sy快速定位问题是On-CPU还是Off-CPU, 我们可以看到这个命令信息很全,但是粒度很粗,导致这个信息基本用处不是很大...
swapfs_minfree 内核内存分配器 kmem_flags kmem_stackinfo 常规驱动程序参数 moddebug ddi_msix_alloc_limit 网络驱动程序参数 igb 参数 mr_enable intr_force ixgbe 参数 tx_queue_number rx_queue_number intr_throttling rx_limit_per_intr tx_ring_size rx_ring_size tx_copy_threshold rx_copy_threshold 常...
Free virtual memory capacity of a host Used Swap Memory (MB) Size of used swap memory Swap memory is a virtual memory partition in Linux. After the physical memory is used up, swap partitions are virtualized into memory. Virtual Memory (MB) Total virtual memory size Virtual Memory Usage (%...
memory :基本的内存信息 swap :数字比较大基本就是内存出问题了 io :磁盘的输入输出次数,单位是Block,可以通过 df + tune2fs -l devname | grep Block 查看 system :中断数和上下文切换数 CPU :中的us和sy快速定位问题是On-CPU还是Off-CPU, 我们可以看到这个命令信息很全,但是粒度很粗,导致这个信息基本用处...
swap_memory()交换内存使用情况 psutil.swap_memory():获取系统交换内存的统计信息,以命名元组的形式返回swap/memory使用情况,包含swap中页的换入和换出。 importpsutilprint(psutil.swap_memory())#sswap(total=2147479552, used=2147426304, free=53248, percent=100.0, sin=519245824, sout=3560001536)"""Windows系...
Memory usage indicates that the system has a total RAM of 15.4 GiB, of which 15 GiB are pre-allocated to hugepages, but the application is not using any hugepages: Raw crash> kmem -i PAGES TOTAL PERCENTAGE TOTAL MEM 4027407 15.4 GB --- FREE 32874 128.4 MB 0% of TOTAL MEM USED 3994...
ipc IPC counters: semaphores used, number of allocated segments in shared memory and more. ipmi IPMI (Intelligent Platform Management Interface) sensors information. ipstats IPv4 and IPv6; incoming, outgoing, forwarded counters. FreeBSD only. iptables Iptables' counters: Number of bytes that were ...