Gaviraju Doddabettahalli Bettegowda
91c6dccf94
video: driver: Enable msm_vidc_events trace
Enable tracing by adding trace function definitions.
Commands for collecting msm_vidc_events traces:
- adb shell "echo 10240 > /sys/kernel/tracing/buffer_size_kb"
- adb shell "echo 0 > /sys/kernel/tracing/tracing_on"
- adb shell "echo nop > /sys/kernel/tracing/current_tracer"
- adb shell "echo > /sys/kernel/tracing/set_event"
- adb shell "echo 1 > /sys/kernel/tracing/events/msm_vidc_events/enable"
- adb shell "echo 1 > /sys/kernel/tracing/tracing_on"
- adb shell "cat /sys/kernel/tracing/trace_pipe > /data/trace_log.txt"
- adb pull /data/trace_log.txt
Events:
- msm_v4l2_vidc_fw_load
- msm_v4l2_vidc_open
- msm_v4l2_vidc_close
- msm_vidc_dma_buffer
- msm_v4l2_vidc_buffer_event_log
- msm_vidc_perf_power_scale
- msm_vidc_common_state_change
- venus_hfi_var_done
These are the events registered.
Change-Id: Iab6952bb84df102f36a2776fdf9ef5133034c5a0
Signed-off-by: Gaviraju Doddabettahalli Bettegowda <gdoddabe@codeaurora.org>
2021-09-26 22:18:42 -07:00
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