| Message ID | 20240429144426.743476-1-kuba@kernel.org (mailing list archive) |
|---|---|
| Headers | show |
| Series | selftests: net: page_poll allocation error injection | expand |
Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski <kuba@kernel.org>: On Mon, 29 Apr 2024 07:44:20 -0700 you wrote: > Add a test for exercising driver memory allocation failure paths. > page pool is a bit tricky to inject errors into at the page allocator > level because of the bulk alloc and recycling, so add explicit error > injection support "in front" of the caches. > > Add a test to exercise that using only the standard APIs. > This is the first useful test for the new tests with an endpoint. > There's no point testing netdevsim here, so this is also the first > HW-only test in Python. > > [...] Here is the summary with links: - [net-next,v2,1/6] net: page_pool: support error injection https://git.kernel.org/netdev/net-next/c/12b6c3a0380a - [net-next,v2,2/6] selftests: drv-net-hw: support using Python from net hw tests https://git.kernel.org/netdev/net-next/c/ff4b2bfa63bd - [net-next,v2,3/6] selftests: net: py: extract tool logic https://git.kernel.org/netdev/net-next/c/32a4ca1361d7 - [net-next,v2,4/6] selftests: net: py: avoid all ports < 10k https://git.kernel.org/netdev/net-next/c/ee2512d6bf41 - [net-next,v2,5/6] selftests: drv-net: support generating iperf3 load https://git.kernel.org/netdev/net-next/c/0f0cdf312ecc - [net-next,v2,6/6] selftests: drv-net-hw: add test for memory allocation failures with page pool https://git.kernel.org/netdev/net-next/c/9da271f825e4 You are awesome, thank you!
Add a test for exercising driver memory allocation failure paths. page pool is a bit tricky to inject errors into at the page allocator level because of the bulk alloc and recycling, so add explicit error injection support "in front" of the caches. Add a test to exercise that using only the standard APIs. This is the first useful test for the new tests with an endpoint. There's no point testing netdevsim here, so this is also the first HW-only test in Python. I'm not super happy with the traffic generation using iperf3, my initial approach was to use mausezahn. But it turned out to be 5x slower in terms of PPS. Hopefully this is good enough for now. v2: - fix the string formatting for tool wrapper change (patch 3) - fix import order for load.py v1: https://lore.kernel.org/all/20240426232400.624864-1-kuba@kernel.org/ Jakub Kicinski (6): net: page_pool: support error injection selftests: drv-net-hw: support using Python from net hw tests selftests: net: py: extract tool logic selftests: net: py: avoid all ports < 10k selftests: drv-net: support generating iperf3 load selftests: drv-net-hw: add test for memory allocation failures with page pool net/core/page_pool.c | 2 + tools/testing/selftests/Makefile | 2 +- .../testing/selftests/drivers/net/hw/Makefile | 2 + .../drivers/net/hw/lib/py/__init__.py | 16 +++ .../selftests/drivers/net/hw/pp_alloc_fail.py | 129 ++++++++++++++++++ .../selftests/drivers/net/lib/py/__init__.py | 1 + .../selftests/drivers/net/lib/py/env.py | 10 +- .../selftests/drivers/net/lib/py/load.py | 41 ++++++ tools/testing/selftests/net/lib/py/ksft.py | 4 + tools/testing/selftests/net/lib/py/utils.py | 14 +- 10 files changed, 214 insertions(+), 7 deletions(-) create mode 100644 tools/testing/selftests/drivers/net/hw/lib/py/__init__.py create mode 100755 tools/testing/selftests/drivers/net/hw/pp_alloc_fail.py create mode 100644 tools/testing/selftests/drivers/net/lib/py/load.py