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| author |   Peter Mikus <pmikus@cisco.com> | 2018-07-28 15:34:25 +0000 |
|---|---|---|
| committer |   Tibor Frank <tifrank@cisco.com> | 2018-07-31 07:16:08 +0000 |
| commit | e25e0711933aec46e40600c0d73797efe5e510b0 (patch) | |
| tree | 10ef1a16eb8c42c920120b3271684f98f60d5c6b /docs/report/introduction/test_environment_sut_conf_2.rst | |
| parent | eb9350bdb4ef5ca075832fe9bad6af11c75d6c8d (diff) | |
Update report doc for rls1807
Change-Id: I713fe9b4a1a2830d6267c1dfc9b0442bf08b8ab4
Signed-off-by: Peter Mikus <pmikus@cisco.com>
(cherry picked from commit ee1321d27bc39baab5bc2615834fd7392b79a160)
Diffstat (limited to 'docs/report/introduction/test_environment_sut_conf_2.rst')
| -rw-r--r-- | docs/report/introduction/test_environment_sut_conf_2.rst | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/docs/report/introduction/test_environment_sut_conf_2.rst b/docs/report/introduction/test_environment_sut_conf_2.rst new file mode 100644 index 0000000000..482c09d5fb --- /dev/null +++ b/docs/report/introduction/test_environment_sut_conf_2.rst @@ -0,0 +1,37 @@ + +**Host CFS optimizations (QEMU+VPP)** + +Applying CFS scheduler tuning on all Qemu vcpu worker threads (those are +handling testpmd - pmd threads) and VPP PMD worker threads. List of VPP PMD +threads can be obtained e.g. from: + +:: + + $ for psid in $(pgrep vpp) + $ do + $ for tid in $(ps -Lo tid --pid $psid | grep -v TID) + $ do + $ echo $tid + $ done + $ done + +Or: + +:: + + $ cat /proc/`pidof vpp`/task/*/stat | awk '{print $1" "$2" "$39}' + +Applying Round-robin scheduling with highest priority + +:: + + $ for psid in $(pgrep vpp) + $ do + $ for tid in $(ps -Lo tid --pid $psid | grep -v TID) + $ do + $ chrt -r -p 1 $tid + $ done + $ done + +More information about Linux CFS can be found in: `Sched manual pages +<http://man7.org/linux/man-pages/man7/sched.7.html>`_. |