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What kind of information does maps file of PID directory contain?
The /proc/PID/maps file contains the currently mapped memory regions and their access permissions. or if empty, the mapping is anonymous.
What is proc PID maps?
/proc/[pid]/maps. A file containing the currently mapped memory regions and their access permissions. See mmap(2) for some further information about memory mappings. The format of the file is: address perms offset dev inode pathname.
What is proc PID?
/proc/[pid]/stat Status information about the process. This is used by ps(1). It is defined in the kernel source file fs/proc/array.
What does the proc file system record?
It is a Virtual File System. Contained within the procfs are information about processes and other system information. It is mapped to /proc and mounted at boot time. The files contain system information such as memory (meminfo), CPU information (cpuinfo), and available filesystems.
Where are the memory maps in proc / PID?
The /proc/PID/maps file containing the currently mapped memory regions and their access permissions.
Which is an extension of / proc / PID / Numa _ maps?
The /proc/pid/numa_maps is an extension based on maps, showing the memory locality and binding policy, as well as the memory usage (in pages) of each mapping. The output follows a general format where mapping details get summarized separated by blank spaces, one mapping per each file line:
What does the / proc / PID / smaps extension do?
The /proc/PID/smaps is an extension based on maps, showing the memory consumption for each of the process’s mappings. For each mapping (aka Virtual Memory Area, or VMA) there is a series of lines such as the following:
Which is the first line in the proc file?
The first of these lines shows the same information as is displayed for the mapping in /proc/PID/maps.