nvidia@tegra-ubuntu:~$ sudo su [sudo] password for nvidia: root@tegra-ubuntu:/home/nvidia# echo 1 > /sys/kernel/debug/tracing/tracing_on root@tegra-ubuntu:/home/nvidia# echo 30720 > /sys/kernel/debug/tracing/buffer_size_kb root@tegra-ubuntu:/home/nvidia# echo 1 > /sys/kernel/debug/tracing/events/tegra_rtcpu/enable root@tegra-ubuntu:/home/nvidia# echo 1 > /sys/kernel/debug/tracing/events/freertos/enable root@tegra-ubuntu:/home/nvidia# echo 2 > /sys/kernel/debug/camrtc/log-level root@tegra-ubuntu:/home/nvidia# echo > /sys/kernel/debug/tracing/trace root@tegra-ubuntu:/home/nvidia# exit exit nvidia@tegra-ubuntu:~$ v4l2-ctl -w --verbose --set-fmt-video=width=1920,height=1080,pixelformat=RG12 --stream-mmap --set-ctrl=sensor_mode=0 --stream-count=1 -d /dev/video5 VIDIOC_QUERYCAP: ok VIDIOC_S_EXT_CTRLS: ok VIDIOC_G_FMT: ok VIDIOC_S_FMT: ok Format Video Capture: Width/Height : 1920/1080 Pixel Format : 'RG12' Field : None Bytes per Line : 3840 Size Image : 4147200 Colorspace : sRGB Transfer Function : Default YCbCr Encoding : Default Quantization : Default Flags : VIDIOC_REQBUFS: ok VIDIOC_QUERYBUF: ok VIDIOC_QBUF: ok VIDIOC_QUERYBUF: ok VIDIOC_QBUF: ok VIDIOC_QUERYBUF: ok VIDIOC_QBUF: ok VIDIOC_QUERYBUF: ok VIDIOC_QBUF: ok VIDIOC_STREAMON: ok Index : 0 Type : Video Capture Flags : mapped, done, error Field : None Sequence : 0 Length : 4147200 Bytesused: 4147200 Timestamp: 0.000000s (Monotonic, End-of-Frame) Index : 1 Type : Video Capture Flags : mapped, done, error Field : None Sequence : 1 Length : 4147200 Bytesused: 4147200 Timestamp: 0.000000s (Monotonic, End-of-Frame) Index : 2 Type : Video Capture Flags : mapped, done Field : None Sequence : 2 Length : 4147200 Bytesused: 4147200 Timestamp: 0.000000s (Monotonic, End-of-Frame) VIDIOC_STREAMOFF: ok nvidia@tegra-ubuntu:~$ sudo cat /sys/kernel/debug/tracing/trace # tracer: nop # # entries-in-buffer/entries-written: 40/40 #P:4 # # _-----=> irqs-off # / _----=> need-resched # | / _---=> hardirq/softirq # || / _--=> preempt-depth # ||| / delay # TASK-PID CPU# |||| TIMESTAMP FUNCTION # | | | |||| | | kworker/0:2-185 [000] ...1 97.448401: rtos_queue_peek_from_isr_failed: tstamp:3380088899 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 97.448409: rtcpu_start: tstamp:3380090817 kworker/0:2-185 [000] ...1 97.552450: rtcpu_vinotify_handle_msg: tstamp:3384254280 tag:CSIMUX_STREAM channel:0xff frame:0 vi_tstamp:3384253795 data:0x00100000 kworker/0:2-185 [000] ...1 97.604448: rtos_queue_peek_from_isr_failed: tstamp:3385089824 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 97.656437: rtcpu_vinotify_handle_msg: tstamp:3387364374 tag:CSIMUX_FRAME channel:0x00 frame:160 vi_tstamp:3387363914 data:0x00e00265 kworker/0:2-185 [000] ...1 97.760496: rtcpu_vinotify_handle_msg: tstamp:3389447670 tag:CSIMUX_FRAME channel:0x00 frame:160 vi_tstamp:3389447215 data:0x00e00265 kworker/0:2-185 [000] ...1 97.760509: rtos_queue_peek_from_isr_failed: tstamp:3390090332 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 97.812457: rtcpu_vinotify_handle_msg: tstamp:3391530972 tag:CSIMUX_FRAME channel:0x00 frame:160 vi_tstamp:3391530516 data:0x00e00265 kworker/0:2-185 [000] ...1 97.812466: rtcpu_vinotify_handle_msg: tstamp:3391546737 tag:ATOMP_FS channel:0x00 frame:160 vi_tstamp:3391546291 data:0x00000000 kworker/0:2-185 [000] ...1 97.812469: rtcpu_vinotify_handle_msg: tstamp:3391557829 tag:CHANSEL_PXL_SOF channel:0x00 frame:160 vi_tstamp:3391557385 data:0x00000001 kworker/0:2-185 [000] ...1 97.812473: rtcpu_vinotify_handle_msg: tstamp:3391558631 tag:CHANSEL_FAULT channel:0x00 frame:160 vi_tstamp:3391558189 data:0x00000100 kworker/0:2-185 [000] ...1 97.812476: rtcpu_vinotify_handle_msg: tstamp:3391559665 tag:CHANSEL_LOAD_FRAMED channel:0x20 frame:160 vi_tstamp:3391558793 data:0x08000000 kworker/0:2-185 [000] ...1 97.812479: rtcpu_vinotify_handle_msg: tstamp:3391559836 tag:CHANSEL_FAULT_FE channel:0x20 frame:160 vi_tstamp:3391559237 data:0x00000001 kworker/0:2-185 [000] ...1 97.812482: rtcpu_vinotify_handle_msg: tstamp:3391560049 tag:ATOMP_FE channel:0x00 frame:160 vi_tstamp:3391559240 data:0x00000000 kworker/0:2-185 [000] ...1 97.916447: rtos_queue_peek_from_isr_failed: tstamp:3395091030 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 98.072446: rtos_queue_peek_from_isr_failed: tstamp:3400091534 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 98.228448: rtos_queue_peek_from_isr_failed: tstamp:3405092038 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 98.384531: rtos_queue_peek_from_isr_failed: tstamp:3410092547 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 98.540464: rtos_queue_peek_from_isr_failed: tstamp:3415093072 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 98.696417: rtos_queue_peek_from_isr_failed: tstamp:3420093556 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 98.852482: rtos_queue_peek_from_isr_failed: tstamp:3425094067 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 99.060425: rtos_queue_peek_from_isr_failed: tstamp:3430094381 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 99.216417: rtos_queue_peek_from_isr_failed: tstamp:3435094890 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 99.372473: rtos_queue_peek_from_isr_failed: tstamp:3440095586 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 99.528472: rtos_queue_peek_from_isr_failed: tstamp:3445096093 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 99.684439: rtos_queue_peek_from_isr_failed: tstamp:3450096602 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 99.840475: rtos_queue_peek_from_isr_failed: tstamp:3455097103 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 99.996442: rtos_queue_peek_from_isr_failed: tstamp:3460097612 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 100.152441: rtos_queue_peek_from_isr_failed: tstamp:3465098115 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 100.308475: rtos_queue_peek_from_isr_failed: tstamp:3470098628 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 100.464474: rtos_queue_peek_from_isr_failed: tstamp:3475099129 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 100.620437: rtos_queue_peek_from_isr_failed: tstamp:3480099647 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 100.776494: rtos_queue_peek_from_isr_failed: tstamp:3485100143 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 100.932455: rtos_queue_peek_from_isr_failed: tstamp:3490100652 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 101.140436: rtos_queue_peek_from_isr_failed: tstamp:3495101159 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 101.296464: rtos_queue_peek_from_isr_failed: tstamp:3500101664 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 101.452440: rtos_queue_peek_from_isr_failed: tstamp:3505102149 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 101.608450: rtos_queue_peek_from_isr_failed: tstamp:3510102654 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 101.764480: rtos_queue_peek_from_isr_failed: tstamp:3515103163 queue:0x0b4a3c58 kworker/0:2-185 [000] ...1 101.820490: rtos_queue_peek_from_isr_failed: tstamp:3517147133 queue:0x0b4a3c58 nvidia@tegra-ubuntu:~$