//     tasks as fast as possible (and sometimes faster, in that an
//     implementation may not be concurrency-safe). This gives us an upper bound
//     on handler performance, so we can evaluate the (handler-independent) core
//     activity of the package in an end-to-end context without concern that a
//     slow handler implementation is skewing the results.
//
//   - We also test the built-in handlers, for comparison.
package benchmarks

import (

        stale-issue-label: "status:stale"...

// read to be handled correctly. On the other hand, a change to the file size
// (st_size, as made by say ftruncate(2)), would require a metadata flush.
//
// The aim of fdatasync() is to reduce disk activity for applications that
// do not require all metadata to be synchronized with the disk.
func Fdatasync(f *os.File) error {
	return syscall.Fdatasync(int(f.Fd()))
}

// FadviseDontNeed invalidates page-cache

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		metrics.RecordRequestPostTimeout(metrics.PostTimeoutSourceRestHandler, metrics.PostTimeoutHandlerPending)
		klog.Errorf("FinishRequest: post-timeout activity, waited for %s, child goroutine has not returned yet", time.Since(timedOutAt))
		return
	}

	var status string
	switch {
	case r.reason != nil:

// testable with a fake clock that itself determines how time may be
// advanced.  The timing paradigm is invoking EventFuncs rather than
// synchronizing through channels, so that the fake clock has a handle
// on when associated activity is done.
type Interface interface {
	baseclock.PassiveClock

	// Sleep returns after the given duration (or more).
	Sleep(d time.Duration)

		"Total number of object versions scanned since server start")
	scannerLastActivitySecondsMD = NewGaugeMD(scannerLastActivitySeconds,
		"Time elapsed (in seconds) since last scan activity.")
)

// loadClusterScannerMetrics - `MetricsLoaderFn` for cluster webhook
// such as failed objects and directories scanned.
func loadClusterScannerMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {

// Copyright 2016 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.

// Package nettrace contains internal hooks for tracing activity in
// the net package. This package is purely internal for use by the
// net/http/httptrace package and has no stable API exposed to end
// users.
package nettrace

// TraceKey is a context.Context Value key. Its associated value should

	isSet         bool
	value         interface{}
}

var _ promiseifc.WriteOnce = &countingPromise{}

// NewCountingWriteOnce creates a WriteOnce that uses locking and counts goroutine activity.
//
// The final three arguments are like those for a regular WriteOnce factory:
// - an optional initial value,
// - an optional "done" channel,
// - the value that is Set after the "done" channel becomes selectable.

  if (client_ == nullptr) return;

  for (auto* executor : client_->backend().stream_executors()) {
    bool ok = executor->SynchronizeAllActivity();
    if (!ok) {
      LOG(ERROR) << "Error synchronizing activity while waiting for all "
                    "programs to complete";
    }
  }
}