Files
external_libcamera/include/libcamera/internal/tracepoints/request.tp
Paul Elder 27c9d6eceb 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>
2020-11-03 11:30:09 +09:00

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#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)
)
)