visor/pkg/sentry/time/sampler_amd64.go

// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//go:build amd64
// +build amd64

package time

const (
	// defaultOverheadTSC is the default estimated syscall overhead in TSC cycles.
	// It is further refined as syscalls are made.
	defaultOverheadCycles = 1 * 1000

	// maxOverheadCycles is the maximum allowed syscall overhead in TSC cycles.
	maxOverheadCycles = 100 * defaultOverheadCycles
)