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PEEKFD
Section: User Commands (1)
Updated: APRIL 2007
Index
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NAME
peekfd - peek at file descriptors of running processes
SYNOPSIS
peekfd
[-8,--eight-bit-clean]
[-n,--no-headers]
[-f,--follow]
[-d,--duplicates-removed]
[-V,--version]
[-h,--help]
pid
[fd]
[fd]
...
DESCRIPTION
peekfd
attaches to a running process and intercepts all reads
and writes to file descriptors. You can specify the
desired file descriptor numbers or dump all of them.
OPTIONS
- -8
-
Do no post-processing on the bytes being read or written.
- -n
-
Do not display headers indicating the source of the bytes dumped.
- -c
-
Also dump the requested file descriptor activity in any new child processes that are created.
- -d
-
Remove duplicate read/writes from the output. If you're looking at a tty with echo, you might want this.
- -v
-
Display a version string.
- -h
-
Display a help message.
FILES
/proc/*/fd
-
Not used but useful for the user to look at to get good file descriptor numbers.
ENVIRONMENT
None.
DIAGNOSTICS
The following diagnostics may be issued on stderr:
Error attaching to pid ...
-
An unknown error occured while attempted to attach to a process.. you may need to be root.
BUGS
Probably lots. Don't be surprised if the process you are monitoring dies.
AUTHOR
Trent Waddington <trent.waddington@gmail.com>
SEE ALSO
ttysnoop(8)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- FILES
-
- ENVIRONMENT
-
- DIAGNOSTICS
-
- BUGS
-
- AUTHOR
-
- SEE ALSO
-
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