auto import from //depot/cupcake/@135843
diff --git a/emulator/qtools/read_method.cpp b/emulator/qtools/read_method.cpp
new file mode 100644
index 0000000..e48edad
--- /dev/null
+++ b/emulator/qtools/read_method.cpp
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include "trace_reader.h"
+#include "parse_options.h"
+
+typedef TraceReader<> TraceReaderType;
+
+#include "parse_options-inl.h"
+
+void Usage(const char *program)
+{
+    fprintf(stderr, "Usage: %s [options] trace_name elf_file\n",
+            program);
+    OptionsUsage();
+}
+
+int main(int argc, char **argv) {
+    ParseOptions(argc, argv);
+    if (argc - optind != 2) {
+        Usage(argv[0]);
+        exit(1);
+    }
+
+    char *qemu_trace_file = argv[optind++];
+    char *elf_file = argv[optind++];
+    TraceReaderType *trace = new TraceReaderType;
+    trace->Open(qemu_trace_file);
+    trace->ReadKernelSymbols(elf_file);
+    trace->SetRoot(root);
+
+    while (1) {
+        MethodRec method_record;
+        symbol_type *sym;
+        TraceReaderType::ProcessState *proc;
+
+        if (trace->ReadMethodSymbol(&method_record, &sym, &proc))
+            break;
+        if (sym != NULL) {
+            printf("%lld p %d 0x%x %d %s\n",
+                   method_record.time, proc->pid, method_record.addr,
+                   method_record.flags, sym->name);
+        } else {
+            printf("%lld p %d 0x%x %d\n",
+                   method_record.time, proc->pid, method_record.addr,
+                   method_record.flags);
+        }
+        proc->DumpStack();
+    }
+    return 0;
+}