memory-usage是一个简洁且易用的命令行工具,可以快速查看系统的内存使用情况。该工具基于Linux系统的内存管理机制,通过实时监控进程的内存使用情况,为用户提供一个直观的视角。 二、使用方法 安装memory-usage 在Linux系统中,你可以使用以下命令来安装memory-usage: sudo apt-get update sudo apt-get install memory-us...
top-d1-p pid [,pid ...]//设置为delay 1s,默认是delay 3s如果想根据内存使用量进行排序,可以shift + m(Sort by memory usage) 静态查看一个进程的内存使用 1、pmap命令 pmap pid2、ps命令 ps aux|grep process_name3、查看/proc/process_id/文件夹下的status文件 Name: php State: R (running) Slee...
USAGE="Usage: $0 processName"if[ $# -ne1];thenecho$USAGE exit1fi# Incasethe monitored process has not yet started # keep searchinguntilits PID is found PROCESS_PID=""while:doPROCESS_PID=`/sbin/pidof$1`if["$PROCESS_PID.X"!=".X"];thenbreakfidoneLOG_FILE="memusage.csv"echo"ElapsedT...
NUMA强调的是memory和processor的位置关系,和内存模型其实是没有关系的,只不过,由于同一node上的memory和processor有更紧密的耦合关系(访问更快),因此需要多个node来管理。Discontiguous memory本质上是flat memory内存模型的扩展,整个物理内存的address space大部分是成片的大块内存,中间会有一些空洞,每一个成片的memory ad...
关于ZONE_DEVICE, 具体的信息可以参见[ATCH v2 3/9mm: ZONE_DEVICE for “device memory” While pmem is usable as a block device or via DAX mappings to userspace there are several usage scenarios that can not target pmem due to its lack of struct page coverage. In preparation for “hot plugg...
%MEM -- Memory usage (RES) A task's currently used share of available physical memory VIRT -- virtual memory The total amount of virtual memory used by the task. It includes all code, data and shared libraries plus pages that have been swapped out. (Note: you can define the STATSIZE=...
Massif, one of theValgrindtools, measures the heap memory used by a specific program. A simplevalgrind massifone-liner to depict peak memory usage of the ‘top‘ process will look like: $ valgrind --tool=massif --pages-as-heap=yes --massif-out-file=massif.out top; grep mem_heap_B mas...
3. Using pmap to Get Accurate Memory Information The pmap command reports the memory map of a process. We can use pmap to get the memory usage of a process and detail the libraries and binary files. By default, pmap will only show us the processes that we own. If we want to see inf...
动态查看一个进程的内存使用复制代码代码如下:1、top命令top -d 1 -p pid [,pid ...] //设置为delay 1s,默认是delay 3s 如果想根据内存使用量进行排序,可以shift + m(Sort by memory usage) 静态查看一个进程的内存使用复制代码代码如下:1、pmap命令pmap pid ...
在__memblock_remove()中有提到,memblock_isolate_range()主要作用是将要移除的物理内存区从reserved 内存区中分离出来,将 start_rgn 和 end_rgn(该内存区块的起始、结束索引号)返回回去,而这里,由于我们传入的type 是 memblock.memory,该函数会根据入参 base 和 size 标记节点内存范围,将该内存从 memory 中划分...