EvGoInSyscall       = 32 // denotes that goroutine is in syscall when tracing starts [timestamp, goroutine id]
	EvHeapAlloc         = 33 // gcController.heapLive change [timestamp, heap live bytes]
	EvHeapGoal          = 34 // gcController.heapGoal change [timestamp, heap goal bytes]
	EvTimerGoroutine    = 35 // denotes timer goroutine [timer goroutine id]
	EvFutileWakeup      = 36 // denotes that the previous wakeup of this goroutine was futile [timestamp]

	w.wbuf2 = wbuf2
}

// put enqueues a pointer for the garbage collector to trace.
// obj must point to the beginning of a heap object or an oblet.
//
//go:nowritebarrierrec
func (w *gcWork) put(obj uintptr) {
	flushed := false
	wbuf := w.wbuf1
	// Record that this may acquire the wbufSpans or heap lock to
	// allocate a workbuf.
	lockWithRankMayAcquire(&work.wbufSpans.lock, lockRankWbufSpans)

            message.append(format(", heap usage: %s%% of %s", heapStats.getUsedPercent(), NumberUtil.formatBytes(heapStats.getMaxSizeInBytes())));
        }

        GarbageCollectionStats nonHeapStats = gcMonitor.getNonHeapStats();
        if (nonHeapStats.isValid()) {

// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Simple not-in-heap bump-pointer traceRegion allocator.

package runtime

import (
	"internal/runtime/atomic"
	"runtime/internal/sys"
	"unsafe"
)

// traceRegionAlloc is a thread-safe region allocator.
// It holds a linked list of traceRegionAllocBlock.

			// to a heap-allocated defer record. Keep that heap record live.
			scanblock(uintptr(unsafe.Pointer(&d.link)), goarch.PtrSize, &oneptrmask[0], gcw, &state)
		}
		// Retain defers records themselves.
		// Defer records might not be reachable from the G through regular heap
		// tracing because the defer linked list might weave between the stack and the heap.
		if d.heap {

		#%           percentage of time spent in GC since program start
		#+...+#      wall-clock/CPU times for the phases of the GC
		#->#-># MB   heap size at GC start, at GC end, and live heap, or /gc/scan/heap:bytes
		# MB goal    goal heap size, or /gc/heap/goal:bytes
		# MB stacks  estimated scannable stack size, or /gc/scan/stack:bytes
		# MB globals scannable global size, or /gc/scan/globals:bytes

### Metrics collected

- Total build execution time.
- Build configuration time.
- Task execution time.
- Heap consumption at the end of the build.
- Total heap usage during the build

### Report

A `performance:report` task generates a static HTML report from the contents of the database in `~/.gradle-performance-test-data`. This report allows the results over

/**
 * A {@link DaemonExpirationStrategy} which monitors daemon health and expires the daemon
 * whenever unhealthy conditions are detected. Currently, this strategy monitors JVM memory
 * health by detecting GC thrashing and excessive heap or metaspace usage. In addition to
 * expiring the daemon, whenever unhealthy conditions are detected, this strategy will
 * print a warning log to the console informing the user of the issue and instructing them

type finalizer struct {
	fn   *funcval       // function to call (may be a heap pointer)
	arg  unsafe.Pointer // ptr to object (may be a heap pointer)
	nret uintptr        // bytes of return values from fn
	fint *_type         // type of first argument of fn
	ot   *ptrtype       // type of ptr to object (may be a heap pointer)
}

var finalizer1 = [...]byte{

		t.Fatal("finalizer queue was never emptied")
	}
	if !finalized.Load() {
		t.Fatal("heap allocation kept alive through non-pointer reference")
	}

	// Clean up the arena.
	a.Free()
	GC()
	GC()
}

func TestUserArenaCloneString(t *testing.T) {
	a := NewUserArena()

	// A static string (not on heap or arena)
	var s = "abcdefghij"

	// Create a byte slice in the arena, initialize it with s