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30 lines
1.1 KiB
Rust
30 lines
1.1 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use deno_core::op;
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use deno_core::op2;
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use deno_core::v8;
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#[op2(fast)]
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pub fn op_v8_cached_data_version_tag() -> u32 {
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v8::script_compiler::cached_data_version_tag()
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}
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#[op(v8)]
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fn op_v8_get_heap_statistics(scope: &mut v8::HandleScope, buffer: &mut [f64]) {
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let mut stats = v8::HeapStatistics::default();
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scope.get_heap_statistics(&mut stats);
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buffer[0] = stats.total_heap_size() as f64;
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buffer[1] = stats.total_heap_size_executable() as f64;
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buffer[2] = stats.total_physical_size() as f64;
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buffer[3] = stats.total_available_size() as f64;
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buffer[4] = stats.used_heap_size() as f64;
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buffer[5] = stats.heap_size_limit() as f64;
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buffer[6] = stats.malloced_memory() as f64;
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buffer[7] = stats.peak_malloced_memory() as f64;
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buffer[8] = stats.does_zap_garbage() as f64;
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buffer[9] = stats.number_of_native_contexts() as f64;
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buffer[10] = stats.number_of_detached_contexts() as f64;
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buffer[11] = stats.total_global_handles_size() as f64;
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buffer[12] = stats.used_global_handles_size() as f64;
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buffer[13] = stats.external_memory() as f64;
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}
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