netdev - [PATCH net-next 0/5] selftests: expand txtimestamp with new features

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Message-Id: <20200317192509.150725-1-jianyang.kernel@gmail.com>
Date:   Tue, 17 Mar 2020 12:25:04 -0700
From:   Jian Yang <jianyang.kernel@...il.com>
To:     davem@...emloft.net, netdev@...r.kernel.org
Cc:     Soheil Hassas Yeganeh <soheil@...gle.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Jian Yang <jianyang@...gle.com>
Subject: [PATCH net-next 0/5] selftests: expand txtimestamp with new features

From: Jian Yang <jianyang@...gle.com>

Current txtimestamp selftest issues requests with no delay, or fixed 50
usec delay. Nsec granularity is useful to measure fine-grained latency.
A configurable delay is useful to simulate the case with cold
cachelines.

This patchset adds new flags and features to the txtimestamp selftest,
including:
- Printing in nsec (-N)
- Polling interval (-b, -S)
- Using epoll (-E, -e)
- Printing statistics
- Running individual tests in txtimestamp.sh

Jian Yang (5):
  selftests: txtimestamp: allow individual txtimestamp tests.
  selftests: txtimestamp: allow printing latencies in nsec.
  selftests: txtimestamp: add new command-line flags.
  selftests: txtimestamp: add support for epoll().
  selftests: txtimestamp: print statistics for timestamp events.

 .../networking/timestamping/txtimestamp.c     | 179 ++++++++++++++++--
 .../networking/timestamping/txtimestamp.sh    |  31 ++-
 2 files changed, 187 insertions(+), 23 deletions(-)

-- 
2.25.1.481.gfbce0eb801-goog