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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-03-02 14:07:51 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-03-04 10:05:47 +0200
commitaaaa2e833bd417a03eb94ba17c6d7e4605df6a27 (patch)
tree2ccedbfbf0378fda74ddf2f56d69af862091bc5a /Documentation/theme/layout.html
parentf2067dffedfe41ab5de62778c478a2add67d5dfb (diff)
libcamera: v4l2_videodevice: Print fd value in log prefix
When opening a V4L2VideoDevice multiple times, for instance to run multiple jobs on a M2M device, it's useful to attribute log messages to a particular instance. Include the device fd in the log prefix. This turns the existing output [1:43:01.958321522] [277] DEBUG V4L2 v4l2_videodevice.cpp:1440 /dev/video0[cap]: Queueing buffer 0 [1:43:01.958350060] [277] DEBUG V4L2 v4l2_videodevice.cpp:1440 /dev/video0[cap]: Queueing buffer 1 [1:43:01.958365137] [277] DEBUG V4L2 v4l2_videodevice.cpp:1440 /dev/video0[cap]: Queueing buffer 2 into [1:43:01.958321522] [277] DEBUG V4L2 v4l2_videodevice.cpp:1440 /dev/video0[14:cap]: Queueing buffer 0 [1:43:01.958350060] [277] DEBUG V4L2 v4l2_videodevice.cpp:1440 /dev/video0[14:cap]: Queueing buffer 1 [1:43:01.958365137] [277] DEBUG V4L2 v4l2_videodevice.cpp:1440 /dev/video0[14:cap]: Queueing buffer 2 Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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