NAME

       sendme - Send a signal from driver to user and measure time intervals

SYNTAX

       sendme [-a|-a PROC] [-b USEC] [-l loops] [-p PRIO]

DESCRIPTION

       The  program  sendme  uses  the  backfire  driver to send a signal from driver to user. It then reads the
       timestamp from the driver and calculates the time intervals to call the driver and to receive the  signal
       from the driver.

OPTIONS

       -a, --affinity[=PROC]
              Run on procesor number PROC. If PROC is not specified, run on current processor.

       -b, --breaktrace=USEC
              Send  break  trace  command when latency > USEC. This is a debugging option to control the latency
              tracer in the realtime preemption patch.  It is useful to track down unexpected large latencies on
              a system.

       -l, --loops=LOOPS
              Set  the  number  of  loops. The default is 0 (endless). This option is useful for automated tests
              with a given number of test cycles. Sendme is stopped once the number of timer intervals has  been
              reached.

       -p, --prio=PRIO
              Set the priority of the process.

FILES

       backfire.ko

EXAMPLES

       # modprobe backfire
       # sendme -a -p99 -l1000000
       Samples:  1000000
       To:   Min    0, Cur    0, Avg    1, Max   11
       From: Min    2, Cur    3, Avg    3, Max   43

AUTHORS

       Carsten Emde <C.Emde@osadl.org>

SEE ALSO

       backfire(4)

                                                       0.2                                             sendme(8)