1 files changed, 119 insertions, 0 deletions
diff --git a/perf-testing/Docker/run_traces.sh b/perf-testing/Docker/run_traces.sh
new file mode 100644
index 00000000..653565fd
--- /dev/null
+++ b/perf-testing/Docker/run_traces.sh
@@ -0,0 +1,119 @@
+# This script is to be run on the KVM guest
+
+set -ex
+
+mkdir /waffle
+mount -t virtiofs waffle-tag /waffle
+
+mkdir /apitrace
+mount -t virtiofs apitrace-tag /apitrace
+
+mkdir /traces-db
+mount -t virtiofs traces-db-tag /traces-db
+
+mkdir /perfetto
+mount -t virtiofs perfetto-tag /perfetto
+
+echo 3 > /proc/sys/kernel/printk
+
+export PATH="/apitrace/build:$PATH"
+export PATH="/waffle/build/bin:$PATH"
+export LD_LIBRARY_PATH="/waffle/build/lib:$LD_LIBRARY_PATH"
+export LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"
+export EGL_PLATFORM="surfaceless"
+export WAFFLE_PLATFORM="surfaceless_egl"
+export MESA_GL_VERSION_OVERRIDE="4.5"
+export DISPLAY=
+
+# Comment out any other sources, so it only syncs to the host via PTP
+sed -i '/pool/s/^/#/' /etc/chrony/chrony.conf
+echo refclock PHC /dev/ptp0 poll 1 dpoll -2 offset 0 >> /etc/chrony/chrony.conf
+echo cmdport 0 >> /etc/chrony/chrony.conf
+echo bindcmdaddress / >> /etc/chrony/chrony.conf
+
+mkdir -p /run/chrony
+time chronyd -q   # Initial synchronization, will take some time
+chronyd      # Keep clocks in sync
+
+# Get trace cached
+trace_no_ext=$(cat /traces-db/current_trace)
+if [ "x$trace_no_ext" = "x" ]; then
+    echo "No trace given, bailing out"
+    exit 1 
+fi
+
+command=$(cat /traces-db/command)
+echo command=$command
+
+WAIT=
+RECORD=
+benchmark_loops=0
+perfetto_loops=10
+
+for c in $command; do
+
+  val=(${c//=/ })
+   case "${val[0]}" in
+   benchmark)
+     benchmark_loops=${val[1]}
+     ;;
+
+   perfetto)
+     perfetto_loops=${val[1]}
+     ;;
+
+   wait-after-frame)
+     WAIT="--wait-after-frame"
+     ;;
+
+   record-frame)
+     RECORD="--snapshot"
+     ;;
+
+   esac
+done
+
+if [ -e /traces-db/wait_after_frame ]; then
+   WAIT=-wait-after-frame
+fi
+
+trace="/traces-db/${trace_no_ext}.trace"
+datadir="/traces-db/${trace_no_ext}-out"
+trace_base=$(basename ${trace_no_ext})
+guest_perf="$datadir/${trace_base}-guest.perfetto"
+
+cat "$trace" > /dev/null
+
+# To keep Perfetto happy
+echo 0 > /sys/kernel/debug/tracing/tracing_on
+echo nop > /sys/kernel/debug/tracing/current_tracer
+
+echo "Guest:"
+wflinfo --platform surfaceless_egl --api gles2 -v
+
+if [ "x$perfetto_loops" != "x" -a "x$perfetto_loops" != "x0" ]; then
+    /perfetto/out/dist/traced &
+    /perfetto/out/dist/traced_probes &
+    sleep 1
+
+    /perfetto/out/dist/perfetto --txt -c /usr/local/perfetto-guest.cfg -o "$guest_perf" --detach=mykey
+    sleep 1
+
+    # The first virtio-gpu event has to be captured in the guest, so we correlate correctly to the host event
+
+    echo "Replaying for Perfetto:"
+    eglretrace --benchmark --singlethread --loop=$perfetto_loops $WAIT --headless "$trace"
+    sleep 1
+
+    /perfetto/out/dist/perfetto --attach=mykey --stop
+    chmod a+rw "$guest_perf"
+fi
+
+if [ "x$benchmark_loops" != "x0" ]; then
+   echo "Measuring rendering times:"
+   eglretrace --benchmark --loop=$benchmark_loops --headless "$trace"
+fi
+
+if [ "x$RECORD" != "x" ]; then
+   eglretrace --snapshot frame --snapshot-prefix=${datadir}/ --headless "$trace"
+fi