1 files changed, 29 insertions, 0 deletions
diff --git a/ext/node/ops/v8.rs b/ext/node/ops/v8.rs
new file mode 100644
index 000000000..5307f7107
--- /dev/null
+++ b/ext/node/ops/v8.rs
@@ -0,0 +1,29 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+use deno_core::op;
+use deno_core::v8;
+
+#[op]
+fn op_v8_cached_data_version_tag() -> u32 {
+  v8::script_compiler::cached_data_version_tag()
+}
+
+#[op(v8)]
+fn op_v8_get_heap_statistics(scope: &mut v8::HandleScope, buffer: &mut [f64]) {
+  let mut stats = v8::HeapStatistics::default();
+  scope.get_heap_statistics(&mut stats);
+
+  buffer[0] = stats.total_heap_size() as f64;
+  buffer[1] = stats.total_heap_size_executable() as f64;
+  buffer[2] = stats.total_physical_size() as f64;
+  buffer[3] = stats.total_available_size() as f64;
+  buffer[4] = stats.used_heap_size() as f64;
+  buffer[5] = stats.heap_size_limit() as f64;
+  buffer[6] = stats.malloced_memory() as f64;
+  buffer[7] = stats.peak_malloced_memory() as f64;
+  buffer[8] = stats.does_zap_garbage() as f64;
+  buffer[9] = stats.number_of_native_contexts() as f64;
+  buffer[10] = stats.number_of_detached_contexts() as f64;
+  buffer[11] = stats.total_global_handles_size() as f64;
+  buffer[12] = stats.used_global_handles_size() as f64;
+  buffer[13] = stats.external_memory() as f64;
+}