USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND I don't have so many processes running: DEV ~# ps ax|wc -lįull memory usage: DEV ~# cat /proc/meminfo Use it well.A Debian Bullseye server is using almost 100% RAM quantity (7.65G / 7.79 G):īut there are no processes with more than 0.0% memory usage DEV ~# free -h This example is a brief overview of what's possible to learn about a single process. You can also use it to analyze a memory value that always increases and never decreases or to locate the culprit of a memory leak. You can use pmap to monitor the movement of memory across a particular time range. The value is anonymous memory mapping, which is part of the memory populated with data not taken from the filesystem but allocated when needed. The pmap utility gathers most of its information from the /proc/PID/smaps file and makes it friendly to humans. How well do you know Linux? Take a quiz and get a badge.Linux system administration skills assessment.A guide to installing applications on Linux.Download RHEL 9 at no charge through the Red Hat Developer program.Skip to bottom of list Skip to the bottom of list First, subtract the memory address to get the offset. You can test whether this is true using a Python shell. In this case, the binary sshd is allocated 48 kilobytes from the memory address 0000560d6317f000 to the address 0000560d6317f000.
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