NAME

       likwid-perfscope - Frontend for the timeline mode of likwid-perfctr(1) that on-the-fly generates pictures
       from the measurements

SYNOPSIS

       likwid-perfscope [-h] [-cores <cpu_list>] [-freq <frequency>] [-group <eventset>]

DESCRIPTION

       likwid-perfscope  is  a  command  line  application written in Perl that uses the timeline daemon mode of
       likwid-perfctr(1) to create on-the-fly pictures with the current measurements. It uses the feedGnuplot(1)
       script to send the current data to gnuplot.

OPTIONS

       -h     prints a help message to standard output, then exits.

       -cores  <cpu_list>
              measures the given group on given CPUs in <cpu_list>

       -freq  <frequency>
              reads the current performance values every <frequency>. Available suffixes are 's' and 'ms',  e.g.
              500ms. Default value is 1s

       -group  <eventset>
              defines  the events and counters that should be read. Possible values can be gathered from likwid-
              perfctr(1).  Default is group 'FLOPS_DP'

EXAMPLE

       1.  Monitor double precision floating-point operations:

       likwid-perfscope -group FLOPS_DP -cores 0-3 -freq 500ms

       Executes likwid-perfctr on the first four cores. The values are read every 500ms are forwarded to gnuplot
       using the feedGnuplot script.

AUTHOR

       Written by Jan Treibig <jan.treibig@gmail.com>.

BUGS

       Report Bugs on <http://code.google.com/p/likwid/issues/list>.

SEE ALSO

       likwid-perfctr(1), feedGnuplot(1), likwid-pin(1), likwid-powermeter(1), likwid-setFrequencies(1)

likwid-3                                            12.2.2014                                LIKWID-PERFSCOPE(1)