garnet/tests/benchmarks/input_latency/run_yuv_to_image_pipe_benchmark.sh

#!/boot/bin/sh
#
# Copyright 2019 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Usage: run_yuv_to_image_pipe_benchmark.sh        \
#          --out_file <benchmark output file path> \
#          --benchmark_label <benchmark label>

while [ "$1" != "" ]; do
  case "$1" in
    --out_file)
      OUT_FILE="$2"
      shift
      ;;
    --benchmark_label)
      BENCHMARK_LABEL="$2"
      shift
      ;;
    *)
      break
      ;;
  esac
  shift
done

TRACE_FILE="/tmp/trace-$(date +%Y-%m-%dT%H:%M:%S).json"

echo "== $BENCHMARK_LABEL: Killing processes..."
killall root_presenter* || true
killall scenic* || true
killall basemgr* || true
killall view_manager* || true
killall flutter* || true
killall present_view* || true

echo "== $BENCHMARK_LABEL: Starting app..."
/bin/present_view fuchsia-pkg://fuchsia.com/yuv_to_image_pipe#meta/yuv_to_image_pipe.cmx \
  --NV12 --input_driven &

# Wait for yuv_to_image_pipe to start.
sleep 3

(
  sleep 1

  # Each tap will be 33.5ms apart, drifting 0.166ms against regular 60 fps
  # vsync interval. 100 taps span the entire vsync interval 1 time at 100
  # equidistant points.
  /bin/input --tap_event_count=100 --duration=3350 tap 500 500
) &

# Start tracing.
echo "== $BENCHMARK_LABEL: Tracing..."
echo $TRACE_FILE
trace record --categories=input,gfx,magma --duration=5 --buffer-size=36 --output-file=$TRACE_FILE

echo "== $BENCHMARK_LABEL: Processing trace..."
/pkgfs/packages/garnet_input_latency_benchmarks/0/bin/process_input_latency_trace  \
  -test_suite_name="${BENCHMARK_LABEL}"                                            \
  -benchmarks_out_filename="${OUT_FILE}" "${TRACE_FILE}"

# Kill the processes as they were backgrounded.
killall present_view* || true
killall yuv_to_image_pipe* || true