06-20-2002
physically prohibit access to keyboard?
Are you talking about physically locking your keyboard? There are hard plastic covers that you can buy, but that is going a little overboard...
If you can use the lock command or logout if it is a telnet session which might be even better than lock.
I don't really understand you need to restrict physical access. Even I am not that paranoid!
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LEARN ABOUT CENTOS
perf-lock
PERF-LOCK(1) perf Manual PERF-LOCK(1)
NAME
perf-lock - Analyze lock events
SYNOPSIS
perf lock {record|report|script|info}
DESCRIPTION
You can analyze various lock behaviours and statistics with this perf lock command.
'perf lock record <command>' records lock events
between start and end <command>. And this command
produces the file "perf.data" which contains tracing
results of lock events.
'perf lock report' reports statistical data.
'perf lock script' shows raw lock events.
'perf lock info' shows metadata like threads or addresses
of lock instances.
COMMON OPTIONS
-i, --input=<file>
Input file name. (default: perf.data unless stdin is a fifo)
-v, --verbose
Be more verbose (show symbol address, etc).
-D, --dump-raw-trace
Dump raw trace in ASCII.
REPORT OPTIONS
-k, --key=<value>
Sorting key. Possible values: acquired (default), contended, wait_total, wait_max, wait_min.
INFO OPTIONS
-t, --threads
dump thread list in perf.data
-m, --map
dump map of lock instances (address:name table)
SEE ALSO
perf(1)
perf 06/30/2014 PERF-LOCK(1)