man7.org > Linux > man-pages

Linux/UNIX system programming training

tapset::queue_stats(3stap) — Linux manual page

NAME | DESCRIPTION | SEE ALSO | COLOPHON 

TAPSET::QUEUE_STATS(3stap)                    TAPSET::QUEUE_STATS(3stap)

NAME         top

       tapset::queue_stats - systemtap queue_stats tapset

DESCRIPTION         top

       qs_wait
              Function to record enqueue requests

              See function::qs_wait(3stap)
               for details.

       qs_run Function to record being moved from wait queue to being
              serviced

              See function::qs_run(3stap)
               for details.

       qs_done
              Function to record finishing request

              See function::qs_done(3stap)
               for details.

       qsq_start
              Function to reset the stats for a queue

              See function::qsq_start(3stap)
               for details.

       qsq_utilization
              Fraction of time that any request was being serviced

              See function::qsq_utilization(3stap)
               for details.

       qsq_blocked
              Returns the time reqest was on the wait queue

              See function::qsq_blocked(3stap)
               for details.

       qsq_wait_queue_length
              length of wait queue

              See function::qsq_wait_queue_length(3stap)
               for details.

       qsq_service_time
              Amount of time per request service

              See function::qsq_service_time(3stap)
               for details.

       qsq_wait_time
              Amount of time in queue + service per request

              See function::qsq_wait_time(3stap)
               for details.

       qsq_throughput
              Number of requests served per unit time

              See function::qsq_throughput(3stap)
               for details.

       qsq_print
              Prints a line of statistics for the given queue

              See function::qsq_print(3stap)
               for details.

SEE ALSO         top

       function::qs_wait(3stap), function::qs_run(3stap),
       function::qs_done(3stap), function::qsq_start(3stap),
       function::qsq_utilization(3stap), function::qsq_blocked(3stap),
       function::qsq_wait_queue_length(3stap),
       function::qsq_service_time(3stap),
       function::qsq_wait_time(3stap), function::qsq_throughput(3stap),
       function::qsq_print(3stap), stap(1), stapprobes(3stap)

COLOPHON         top

       This page is part of the systemtap (a tracing and live-system
       analysis tool) project.  Information about the project can be
       found at ⟨https://sourceware.org/systemtap/⟩.  If you have a bug
       report for this manual page, send it to systemtap@sourceware.org.
       This page was obtained from the project's upstream Git repository
       ⟨git://sourceware.org/git/systemtap.git⟩ on 2024-06-14.  (At that
       time, the date of the most recent commit that was found in the
       repository was 2024-06-13.)  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

SystemTap Tapset Reference     April 2024     TAPSET::QUEUE_STATS(3stap)

Pages that refer to this page: function::qs_done(3stap),  function::qsq_blocked(3stap),  function::qsq_print(3stap),  function::qsq_service_time(3stap),  function::qsq_start(3stap),  function::qsq_throughput(3stap),  function::qsq_utilization(3stap),  function::qsq_wait_queue_length(3stap),  function::qsq_wait_time(3stap),  function::qs_run(3stap),  function::qs_wait(3stap)

HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface.

For details of in-depth Linux/UNIX system programming training courses that I teach, look here.

Hosting by jambit GmbH.

Cover of TLPI