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nuttx/fs/procfs
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Gregory Nutt 1ed816de4b Squashed commit of the following: 
fs/mount:  Implements procfs /proc/fs/blocks and /proc/fs/usage files, replacing the NSH df command.
    fs/mount:  Implements procfs /proc/fs/mount file, replacing the NSH mount command when there are not arguments.
    fs/: Move prototype of foreach_mountpoint out of include/nuttx/fs/fs.h to fs/mount/mount.h.  Add framework for the mount procfs (initial commit is just a close of the net/route table procfs.
2017-10-26 13:33:08 -06:00
..
fs_procfs.c Squashed commit of the following: 2017-10-26 13:33:08 -06:00
fs_procfscpuload.c procfs: Most stat() implementations were not initializating the st_atime, st_ctime, and st_mtime fields. 2017-02-15 09:59:09 -06:00
fs_procfskmm.c procfs: Most stat() implementations were not initializating the st_atime, st_ctime, and st_mtime fields. 2017-02-15 09:59:09 -06:00
fs_procfsproc.c Add file missed in last commit. Fix naming in some configuration items. 2017-08-12 07:26:20 -06:00
fs_procfsuptime.c procfs: Fix incorrect uptime with CONFIG_SYSTEM_TIME64 2017-04-25 10:58:38 +09:00
fs_procfsutil.c Remove some block comments before empty code sections 2016-04-11 18:16:04 -06:00
fs_skeleton.c procfs skeleton: Some additional, purely cosmetic updates. 2017-02-15 12:47:51 -06:00
Kconfig Squashed commit of the following: 2017-10-26 13:33:08 -06:00
Make.defs Add procfs/kmm to show the state of the kernel heap 2016-02-06 11:35:30 -06:00
README.txt fs/binfs/README.txt: Add a README file 2013-11-13 16:40:03 -06:00

README.txt 

fs/procfs README
================

  This is a tiny procfs file system that allows read-only access to a few
  attributes of a task or thread.  This tiny procfs fs file system can be
  built into the system by enabling:

    CONFIG_FS_PROCFS=y

  It can then be mounted from the NSH command like like:

    nsh> mount -t procfs /proc

Example
=======

  NuttShell (NSH) NuttX-6.31
  nsh> mount -t procfs /proc

  nsh> ls /proc
  /proc:
   0/
   1/

  nsh> ls /proc/1
  /proc/1:
   status
   cmdline

  nsh> cat /proc/1/status
  Name:       init
  Type:       Task
  State:      Running
  Priority:   100
  Scheduler:  SCHED_FIFO
  SigMask:    00000000

  nsh> cat /proc/1/cmdline
  init

  nsh> sleep 100 &
  sleep [2:100]
  nsh> ls /proc
  ls /proc
  /proc:
   0/
   1/
   2/

  nsh> cat /proc/2/cmdline
  <pthread> 0x527420