From 6d24988751cb71993bf796855e5e53e4c2f0537b Mon Sep 17 00:00:00 2001 From: Dharmik Thakkar Date: Wed, 20 May 2020 03:20:22 +0000 Subject: [PATCH] doc: add cycles per packet in testpmd guide Update documentation for 'show fwd' testpmd runtime function to show CPU cycles/packet example. Signed-off-by: Dharmik Thakkar Reviewed-by: Honnappa Nagarahalli Reviewed-by: Phil Yang Reviewed-by: Ferruh Yigit --- doc/guides/testpmd_app_ug/testpmd_funcs.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst index 3ded179ee7..a808b6a308 100644 --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst @@ -372,6 +372,12 @@ Example for the io forwarding engine, with some packet drops on the tx side:: TX-packets: 548595568 TX-dropped: 128 TX-total: 548595696 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +.. note:: + + Enabling CONFIG_RTE_TEST_PMD_RECORD_CORE_CYCLES appends "CPU cycles/packet" stats, like: + + CPU cycles/packet=xx.dd (total cycles=xxxx / total RX packets=xxxx) at xxx MHz clock + clear fwd ~~~~~~~~~ -- 2.20.1