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| author | Branden Bonaby <brandonbonaby94@gmail.com> | 2019-10-03 23:01:49 +0200 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2019-11-22 02:10:44 +0100 |
| commit | af9ca6f9bb16e446a44393a797d0ae74d356a5c7 (patch) | |
| tree | 680048b102f151af1f8cec990e374ff0721c2284 /Documentation | |
| parent | video: hyperv: hyperv_fb: Support deferred IO for Hyper-V frame buffer driver (diff) | |
| download | linux-af9ca6f9bb16e446a44393a797d0ae74d356a5c7.tar.xz linux-af9ca6f9bb16e446a44393a797d0ae74d356a5c7.zip | |
drivers: hv: vmbus: Introduce latency testing
Introduce user specified latency in the packet reception path
By exposing the test parameters as part of the debugfs channel
attributes. We will control the testing state via these attributes.
Signed-off-by: Branden Bonaby <brandonbonaby94@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hyperv | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-hyperv b/Documentation/ABI/testing/debugfs-hyperv new file mode 100644 index 000000000000..9185e1b06bba --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hyperv @@ -0,0 +1,23 @@ +What: /sys/kernel/debug/hyperv/<UUID>/fuzz_test_state +Date: October 2019 +KernelVersion: 5.5 +Contact: Branden Bonaby <brandonbonaby94@gmail.com> +Description: Fuzz testing status of a vmbus device, whether its in an ON + state or a OFF state +Users: Debugging tools + +What: /sys/kernel/debug/hyperv/<UUID>/delay/fuzz_test_buffer_interrupt_delay +Date: October 2019 +KernelVersion: 5.5 +Contact: Branden Bonaby <brandonbonaby94@gmail.com> +Description: Fuzz testing buffer interrupt delay value between 0 - 1000 + microseconds (inclusive). +Users: Debugging tools + +What: /sys/kernel/debug/hyperv/<UUID>/delay/fuzz_test_message_delay +Date: October 2019 +KernelVersion: 5.5 +Contact: Branden Bonaby <brandonbonaby94@gmail.com> +Description: Fuzz testing message delay value between 0 - 1000 microseconds + (inclusive). +Users: Debugging tools |