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| author | Paul Elder <paul.elder@ideasonboard.com> | 2020-10-28 19:10:27 +0900 |
|---|---|---|
| committer | Paul Elder <paul.elder@ideasonboard.com> | 2020-11-03 11:30:09 +0900 |
| commit | 27c9d6eceb15b8a4e400fd2b053fb84d0db10da4 (patch) | |
| tree | 40f60fe2fcb7a8c0a0b3b5a48c0d8f22745c4268 /include | |
| parent | fcc6d4bd76874585336cb0bbbd369702b59515d2 (diff) | |
libcamera: request: Add tracepoints
Add and use tracepoints in Request. Requests are core to libcamera
operation, thus detecting delays in their processing is important, and
serves as a good usage example of tracepoints.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'include')
5 files changed, 119 insertions, 0 deletions
diff --git a/include/libcamera/internal/tracepoints/buffer_enums.tp b/include/libcamera/internal/tracepoints/buffer_enums.tp new file mode 100644 index 00000000..fdbea69a --- /dev/null +++ b/include/libcamera/internal/tracepoints/buffer_enums.tp @@ -0,0 +1,9 @@ +TRACEPOINT_ENUM( + libcamera, + buffer_status, + TP_ENUM_VALUES( + ctf_enum_value("FrameSuccess", 0) + ctf_enum_value("FrameError", 1) + ctf_enum_value("FrameCancelled", 2) + ) +) diff --git a/include/libcamera/internal/tracepoints/meson.build b/include/libcamera/internal/tracepoints/meson.build index 2dd6733e..d9b2fca5 100644 --- a/include/libcamera/internal/tracepoints/meson.build +++ b/include/libcamera/internal/tracepoints/meson.build @@ -1,4 +1,12 @@ # SPDX-License-Identifier: CC0-1.0 +# enum files must go first tracepoint_files = files([ + 'buffer_enums.tp', + 'request_enums.tp', +]) + +tracepoint_files += files([ + 'pipeline.tp', + 'request.tp', ]) diff --git a/include/libcamera/internal/tracepoints/pipeline.tp b/include/libcamera/internal/tracepoints/pipeline.tp new file mode 100644 index 00000000..c0a94635 --- /dev/null +++ b/include/libcamera/internal/tracepoints/pipeline.tp @@ -0,0 +1,25 @@ +TRACEPOINT_EVENT( + libcamera, + ipa_call_begin, + TP_ARGS( + const char *, pipe, + const char *, func + ), + TP_FIELDS( + ctf_string(pipeline_name, pipe) + ctf_string(function_name, func) + ) +) + +TRACEPOINT_EVENT( + libcamera, + ipa_call_end, + TP_ARGS( + const char *, pipe, + const char *, func + ), + TP_FIELDS( + ctf_string(pipeline_name, pipe) + ctf_string(function_name, func) + ) +) diff --git a/include/libcamera/internal/tracepoints/request.tp b/include/libcamera/internal/tracepoints/request.tp new file mode 100644 index 00000000..dd28a714 --- /dev/null +++ b/include/libcamera/internal/tracepoints/request.tp @@ -0,0 +1,68 @@ +#include <libcamera/buffer.h> +#include <libcamera/request.h> + +TRACEPOINT_EVENT_CLASS( + libcamera, + request, + TP_ARGS( + libcamera::Request *, req + ), + TP_FIELDS( + ctf_integer_hex(uintptr_t, request, reinterpret_cast<uintptr_t>(req)) + ctf_integer(uint64_t, cookie, req->cookie()) + ctf_enum(libcamera, request_status, uint32_t, status, req->status()) + ) +) + +TRACEPOINT_EVENT_INSTANCE( + libcamera, + request, + request_construct, + TP_ARGS( + libcamera::Request *, req + ) +) + +TRACEPOINT_EVENT_INSTANCE( + libcamera, + request, + request_destroy, + TP_ARGS( + libcamera::Request *, req + ) +) + +TRACEPOINT_EVENT_INSTANCE( + libcamera, + request, + request_reuse, + TP_ARGS( + libcamera::Request *, req + ) +) + +TRACEPOINT_EVENT_INSTANCE( + libcamera, + request, + request_complete, + TP_ARGS( + libcamera::Request *, req + ) +) + + +TRACEPOINT_EVENT( + libcamera, + request_complete_buffer, + TP_ARGS( + libcamera::Request *, req, + libcamera::FrameBuffer *, buf + ), + TP_FIELDS( + ctf_integer_hex(uintptr_t, request, reinterpret_cast<uintptr_t>(req)) + ctf_integer(uint64_t, cookie, req->cookie()) + ctf_integer(int, status, req->status()) + ctf_integer_hex(uintptr_t, buffer, reinterpret_cast<uintptr_t>(buf)) + ctf_enum(libcamera, buffer_status, uint32_t, buf_status, buf->metadata().status) + ) +) diff --git a/include/libcamera/internal/tracepoints/request_enums.tp b/include/libcamera/internal/tracepoints/request_enums.tp new file mode 100644 index 00000000..371f6544 --- /dev/null +++ b/include/libcamera/internal/tracepoints/request_enums.tp @@ -0,0 +1,9 @@ +TRACEPOINT_ENUM( + libcamera, + request_status, + TP_ENUM_VALUES( + ctf_enum_value("RequestPending", 0) + ctf_enum_value("RequestComplete", 1) + ctf_enum_value("RequestCancelled", 2) + ) +) |