[libcamera-devel] [PATCH v7 07/11] lc-compliance: Add test to queue more requests than hardware depth
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Mon Aug 2 02:13:56 CEST 2021
Hi Nícolas,
Thank you for the patch.
On Thu, Jul 22, 2021 at 08:28:47PM -0300, Nícolas F. R. A. Prado wrote:
> A pipeline handler should be able to handle an arbitrary number of
> simultaneous requests by submitting what it can to the video device and
> queuing the rest internally until resources are available. This isn't
> currently done by some pipeline handlers however [1].
>
> Add a new test to lc-compliance that submits a lot of requests at once
> to check if the pipeline handler is behaving well in this situation.
>
> [1] https://bugs.libcamera.org/show_bug.cgi?id=24
The commit message may need to be updated depending on what gets merged
first :-)
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>
> ---
>
> No changes in v7
>
> Changes in v6:
> - Made MAX_SIMULTANEOUS_REQUESTS a constexpr
>
> Changes in v5:
> - Updated to use googletest, and CameraHolder and roleToString from previous
> patches
>
> src/lc-compliance/capture_test.cpp | 45 ++++++++++++++++++++++++++++
> src/lc-compliance/simple_capture.cpp | 30 +++++++++++++++++++
> src/lc-compliance/simple_capture.h | 11 +++++++
> 3 files changed, 86 insertions(+)
>
> diff --git a/src/lc-compliance/capture_test.cpp b/src/lc-compliance/capture_test.cpp
> index b4807486ee07..a7ba7448a21b 100644
> --- a/src/lc-compliance/capture_test.cpp
> +++ b/src/lc-compliance/capture_test.cpp
> @@ -18,6 +18,8 @@ using namespace libcamera;
> const std::vector<int> NUMREQUESTS = { 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 };
> const std::vector<StreamRole> ROLES = { Raw, StillCapture, VideoRecording, Viewfinder };
>
> +static constexpr unsigned int MAX_SIMULTANEOUS_REQUESTS = 8;
> +
> static const std::string &roleToString(const StreamRole &role)
> {
> static std::map<StreamRole, std::string> rolesMap = { { Raw, "Raw" },
> @@ -79,12 +81,37 @@ void SingleStream::TearDown()
> releaseCamera();
> }
>
> +class RoleParametrizedTest : public testing::TestWithParam<StreamRole>, public CameraHolder
Maybe it's due to my bad understanding of the test framework, but the
name of this class confuses me. I understand it as a base class for
tests that are parametrized by roles, but below it's used directly as
the test fixture when creating tests.
> +{
> +public:
> + static std::string nameParameters(const testing::TestParamInfo<RoleParametrizedTest::ParamType> &info);
> +
> +protected:
> + void SetUp() override;
> + void TearDown() override;
> +};
> +
> +void RoleParametrizedTest::SetUp()
> +{
> + acquireCamera();
> +}
> +
> +void RoleParametrizedTest::TearDown()
> +{
> + releaseCamera();
> +}
> +
> std::string SingleStream::nameParameters(const testing::TestParamInfo<SingleStream::ParamType> &info)
> {
> return roleToString(std::get<0>(info.param)) + "_" +
> std::to_string(std::get<1>(info.param));
> }
>
> +std::string RoleParametrizedTest::nameParameters(const testing::TestParamInfo<RoleParametrizedTest::ParamType> &info)
> +{
> + return roleToString(info.param);
> +}
> +
> /*
> * Test single capture cycles
> *
> @@ -147,8 +174,26 @@ TEST_P(SingleStream, UnbalancedStop)
> capture.capture(numRequests);
> }
>
> +TEST_P(RoleParametrizedTest, Overflow)
> +{
> + auto role = GetParam();
> +
> + SimpleCaptureOverflow capture(camera_);
> +
> + capture.configure(role);
> +
> + capture.allocateBuffers(MAX_SIMULTANEOUS_REQUESTS);
> +
> + capture.capture();
> +}
> +
> INSTANTIATE_TEST_SUITE_P(CaptureTests,
> SingleStream,
> testing::Combine(testing::ValuesIn(ROLES),
> testing::ValuesIn(NUMREQUESTS)),
> SingleStream::nameParameters);
> +
> +INSTANTIATE_TEST_SUITE_P(CaptureTests,
> + RoleParametrizedTest,
> + testing::ValuesIn(ROLES),
> + RoleParametrizedTest::nameParameters);
> diff --git a/src/lc-compliance/simple_capture.cpp b/src/lc-compliance/simple_capture.cpp
> index 06ef44ef7e42..48ce8f088e71 100644
> --- a/src/lc-compliance/simple_capture.cpp
> +++ b/src/lc-compliance/simple_capture.cpp
> @@ -220,3 +220,33 @@ void SimpleCaptureUnbalanced::requestComplete(Request *request)
> if (camera_->queueRequest(request))
> loop_->exit(-EINVAL);
> }
> +
> +/* SimpleCaptureOverflow */
> +
> +SimpleCaptureOverflow::SimpleCaptureOverflow(std::shared_ptr<Camera> camera)
> + : SimpleCapture(camera)
> +{
> +}
> +
> +void SimpleCaptureOverflow::capture()
> +{
> + start();
> +
> + Stream *stream = config_->at(0).stream();
> + const std::vector<std::unique_ptr<FrameBuffer>> &buffers = allocator_->buffers(stream);
> +
> + captureCount_ = 0;
> + captureLimit_ = buffers.size();
> +
> + std::vector<std::unique_ptr<libcamera::Request>> requests;
> + queueRequests(stream, buffers, requests);
> +
> + runCaptureSession();
> +
> + ASSERT_EQ(captureCount_, captureLimit_);
> +}
> +
> +void SimpleCaptureOverflow::requestComplete([[maybe_unused]] Request *request)
> +{
> + captureCompleted();
> +}
> diff --git a/src/lc-compliance/simple_capture.h b/src/lc-compliance/simple_capture.h
> index 0f9a060fece3..2f4960584642 100644
> --- a/src/lc-compliance/simple_capture.h
> +++ b/src/lc-compliance/simple_capture.h
> @@ -72,4 +72,15 @@ private:
> void requestComplete(libcamera::Request *request) override;
> };
>
> +class SimpleCaptureOverflow : public SimpleCapture
> +{
> +public:
> + SimpleCaptureOverflow(std::shared_ptr<libcamera::Camera> camera);
> +
> + void capture();
> +
> +private:
> + void requestComplete(libcamera::Request *request) override;
> +};
> +
> #endif /* __LC_COMPLIANCE_SIMPLE_CAPTURE_H__ */
--
Regards,
Laurent Pinchart
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