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Managing System Information, Processes, and Performance in Oracle® Solaris 11.4

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Updated: August 2019
 
 

Managing Processes by Using Process Commands (/proc)

You can display detailed technical information about processes or control active processes by using some of the process commands. For a list of some of the process commands, see Figure 4, Table 4, Process Commands (/proc).

If a process becomes trapped in an endless loop, or if the process takes too long to execute, you might want to stop (kill) the process. For more information about stopping processes using the kill or the pkill command, see Managing System Processes.

The /proc file system is a directory hierarchy that contains additional subdirectories for state information and control functions.

The /proc file system also provides an xwatchpoint facility that is used to remap read-and-write permissions on the individual pages of a process' address space. This facility has no restrictions and is MT-safe.

Debugging tools have been modified to use the xwatchpoint facility, which means that the entire xwatchpoint process is faster.

    The following restrictions no longer apply when you set xwatchpoints by using the dbx debugging tool:

  • Setting xwatchpoints on local variables on the stack due to SPARC based system register windows.

  • Setting xwatchpoints on multithreaded processes.

For more information, see the proc(5) and mdb(1) man pages.