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 (%...
of TOTAL MEM TOTAL HUGE 3931648 15 GB --- HUGE FREE 3931648 15 GB 100% of TOTAL HUGE TOTAL SWAP 4194303 16 GB --- SWAP USED 6874 26.9 MB 0% of TOTAL SWAP SWAP FREE 4187429 16 GB 99% of TOTAL SWAP COMMIT LIMIT 4242182 16.2 GB --- COMMITTED 212602 830.5 MB 5% of TOTAL LIMIT...
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,但是可以帮助我们五秒之内...
TotalSwapSpaceSize 数据类型:uint64 访问类型:只读 限定符:Units(“KB”) 总交换空间(以 KB 为单位)。 如果交换空间与页面文件不区分,则此值可能为 NULL(未指定)。 但是,某些操作系统区分这些概念。 例如,在 UNIX 中,当空闲页面列表下降并保持在指定数量以下时,可以交换整个进程。 若要详细了解如何在脚本...
uint64 SizeStoredInPagingFiles; string Status; uint32 SuiteMask; string SystemDevice; string SystemDirectory; string SystemDrive; uint64 TotalSwapSpaceSize; uint64 TotalVirtualMemorySize; uint64 TotalVisibleMemorySize; string Version; string WindowsDirectory; uint8 QuantumLength; uint8 QuantumType; }...
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系统上的sin和sout总是设置为0,...
uint64 SizeStoredInPagingFiles; string Status; uint32 SuiteMask; string SystemDevice; string SystemDirectory; string SystemDrive; uint64 TotalSwapSpaceSize; uint64 TotalVirtualMemorySize; uint64 TotalVisibleMemorySize; string Version; string WindowsDirectory; uint8 QuantumLength; uint8 QuantumType; }...
swap Pages swapped out onto hard disk or whatever is called swap by the OS. table Parse table-like structured files. tail Follows (tails) log files, parses them by lines and submits matched values. tail_csv Follows (tails) files in CSV format, parses each line and submits extracted val...
uint64 SizeStoredInPagingFiles; string Status; uint32 SuiteMask; string SystemDevice; string SystemDirectory; string SystemDrive; uint64 TotalSwapSpaceSize; uint64 TotalVirtualMemorySize; uint64 TotalVisibleMemorySize; string Version; string WindowsDirectory; uint8 QuantumLength; uint8 QuantumType; }...
考虑写一个不抛异常的 swap 函数 尽可能延后变量定义式的出现时间(可增加程序清晰度并改善程序效率) 尽量少做转型动作(旧式:(T)expression、T(expression);新式:const_cast<T>(expression)、dynamic_cast<T>(expression)、reinterpret_cast<T>(expression)、static_cast<T>(expression)、;尽量避免转型、注重效率避免...