NAME | SYNOPSIS | DESCRIPTION | MODIFIERS | BASIC_HDR_MATCH events | AUTHORS | COLOPHON

LIBPFM(3)                 Linux Programmer's Manual                LIBPFM(3)

NAME         top

       libpfm_intel_skx_unc_upi  -  support  for  Intel Skylake X Server UPI
       uncore PMU

SYNOPSIS         top

       #include <perfmon/pfmlib.h>

       PMU name: skx_unc_upi[0-2]
       PMU desc: Intel Skylake X Server UPI uncore PMU

DESCRIPTION         top

       The library supports the Intel Skylake X Server UPI uncore PMU.

MODIFIERS         top

       The following modifiers are supported on Intel Skylake X server UPI
       uncore PMU:

       e      Enable edge detection, i.e., count only when there is a state
              transition from no occurrence of the event to at least one
              occurrence. This modifier must be combined with a threshold
              modifier (t) with a value greater or equal to one.  This is a
              boolean modifier.

       t      Set the threshold value. When set to a non-zero value, the
              counter counts the number of QPI cycles in which the number of
              occurrences of the event is greater or equal to the threshold.
              This is an integer modifier with values in the range [0:255].

       i      Invert the meaning of the threshold or edge filter. If set,
              the event counts when strictly less than N occurrences occur
              per cycle if threshold is set to N. When invert is set, then
              threshold must be set to non-zero value. If set, the event
              counts when the event transitions from occurring to not
              occurring (falling edge) when edge detection is set. This is a
              boolean modifier

BASIC_HDR_MATCH events         top

       The library also supports the special RXL_BASIC_HDR_MATCH and
       TXL_BASIC_HDR_MATCH opcode matcher events. These events have a lot
       more filters available in the form of either a modifier (listed
       below) or specific umasks.  The following modifiers are available in
       additional to the standard listed above:

       rcsnid Specify a RCS Node identifier as an integer in the range
              [0-15]. Default: 0

       dnid   Specify a destination Node identifier as an integer in the
              range [0-15]. Default: 0

AUTHORS         top

       Stephane Eranian <eranian@gmail.com>

COLOPHON         top

       This page is part of the perfmon2 (a performance monitoring library)
       project.  Information about the project can be found at 
       ⟨http://perfmon2.sourceforge.net/⟩.  If you have a bug report for this
       manual page, send it to perfmon2-devel@lists.sourceforge.net.  This
       page was obtained from the project's upstream Git repository
       ⟨git://git.code.sf.net/p/perfmon2/libpfm4 perfmon2-libpfm4⟩ on
       2019-07-28.  (At that time, the date of the most recent commit that
       was found in the repository was 2019-07-11.)  If you discover any
       rendering problems in this HTML version of the page, or you believe
       there is a better or more up-to-date source for the page, or you have
       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to
       man-pages@man7.org

                                January, 2018                      LIBPFM(3)