[turbolizer] Presenting filename in the tab label

Bug: v8:7327
Change-Id: I7312ec4fb23bbf1c67fdf110de221105279bfa4a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3837859Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Danylo Boiko <danielboyko02@gmail.com>
Cr-Commit-Position: refs/heads/main@{#82566}

src/compiler/graph-visualizer.cc

@@ -232,15 +232,17 @@ std::unique_ptr<char[]> GetVisualizerLogFileName(OptimizedCompilationInfo* info,
                                                  const char* suffix) {
   base::EmbeddedVector<char, 256> filename(0);
   std::unique_ptr<char[]> debug_name = info->GetDebugName();
+  const char* file_prefix = FLAG_trace_turbo_file_prefix.value();
   int optimization_id = info->IsOptimizing() ? info->optimization_id() : 0;
   if (strlen(debug_name.get()) > 0) {
-    SNPrintF(filename, "turbo-%s-%i", debug_name.get(), optimization_id);
-  } else if (info->has_shared_info()) {
-    SNPrintF(filename, "turbo-%p-%i",
-             reinterpret_cast<void*>(info->shared_info()->address()),
+    SNPrintF(filename, "%s-%s-%i", file_prefix, debug_name.get(),
              optimization_id);
+  } else if (info->has_shared_info()) {
+    SNPrintF(filename,  "%s-%p-%i", file_prefix,
+            reinterpret_cast<void*>(info->shared_info()->address()),
+            optimization_id);
   } else {
-    SNPrintF(filename, "turbo-none-%i", optimization_id);
+    SNPrintF(filename, "%s-none-%i", file_prefix, optimization_id);
   }
   base::EmbeddedVector<char, 256> source_file(0);
   bool source_available = false;

src/flags/flag-definitions.h

@@ -839,6 +839,8 @@ DEFINE_STRING(trace_turbo_filter, "*",
 DEFINE_BOOL(trace_turbo_graph, false, "trace generated TurboFan graphs")
 DEFINE_BOOL(trace_turbo_scheduled, false, "trace TurboFan IR with schedule")
 DEFINE_IMPLICATION(trace_turbo_scheduled, trace_turbo_graph)
+DEFINE_STRING(trace_turbo_file_prefix, "turbo",
+              "trace turbo graph to a file with given prefix")
 DEFINE_STRING(trace_turbo_cfg_file, nullptr,
               "trace turbo cfg graph (for C1 visualizer) to a given file name")
 DEFINE_BOOL(trace_turbo_types, true, "trace TurboFan's types")

tools/turbolizer/src/turbo-visualizer.ts

@@ -144,6 +144,7 @@ window.onload = function () {
         if (uploadFile) {
           const fileReader = new FileReader();
           fileReader.onload = () => {
+            document.title = uploadFile.name.replace(".json", "");
             const txtRes = fileReader.result;
             if (typeof txtRes === "string") {
               loadFile(txtRes);