[tests] replace perf.json total_cycles value when instrument found

Signed-off-by: Avimitin <[email protected]>

nix/t1/run/calculate-cycle.py

@@ -0,0 +1,20 @@
+import json
+
+original_total_cycle = 0
+with open("perf.json") as f:
+    original_total_cycle = (json.load(f))["total_cycles"]
+
+with open("mmio-event.jsonl") as f:
+    events = [json.loads(line) for line in f]
+events = list(filter(lambda x: x["event"] == "profile", events))
+if len(events) % 2 != 0:
+    print(original_total_cycle)
+
+total_cycles = 0
+for i in range(len(events) // 2):
+    assert events[2 * i]["value"] == 1
+    assert events[2 * i + 1]["value"] == 0
+    duration = events[2 * i + 1]["cycle"] - events[2 * i]["cycle"]
+    total_cycles += duration
+
+print(total_cycles)

nix/t1/run/run-vcs-emu.nix

@@ -5,6 +5,7 @@
 , offline-checker
 , snps-fhs-env
 , writeShellScriptBin
+, python3
 }:
 
 { emulator
@@ -17,7 +18,7 @@ assert lib.assertMsg (!emulator.isRuntimeLoad || (dpilib != null)) "dpilib must
 
 stdenvNoCC.mkDerivation (rec {
   name = "${testCase.pname}-vcs-result" + (lib.optionalString emulator.enableTrace "-trace");
-  nativeBuildInputs = [ zstd jq ];
+  nativeBuildInputs = [ zstd jq python3 ];
   __noChroot = true;
 
   passthru = {
@@ -123,11 +124,13 @@ stdenvNoCC.mkDerivation (rec {
     rm $rtlEventOutPath
 
     if [ -r perf.json ]; then
-      mv perf.json $out/
+      cp -v perf.json $out/
     fi
 
+    # If we find the mmio-event.jsonl file, try to replace the perf total cycle with program instrument.
     if [ -r mmio-event.jsonl ]; then
       cp -v mmio-event.jsonl $out/
+      jq ".total_cycles=$(python3 ${./calculate-cycle.py})" perf.json > "$out/perf.json"
     fi
 
     ${lib.optionalString emulator.enableCover ''