45 lines
1.4 KiB
Go
45 lines
1.4 KiB
Go
// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package usage
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import (
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"time"
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)
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// CPUStats contains the subset of struct rusage fields that relate to CPU
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// scheduling.
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type CPUStats struct {
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// UserTime is the amount of time spent executing application code.
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UserTime time.Duration
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// SysTime is the amount of time spent executing sentry code.
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SysTime time.Duration
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// VoluntarySwitches is the number of times control has been voluntarily
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// ceded due to blocking, etc.
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VoluntarySwitches uint64
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// InvoluntarySwitches (struct rusage::ru_nivcsw) is unsupported, since
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// "preemptive" scheduling is managed by the Go runtime, which doesn't
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// provide this information.
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}
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// Accumulate adds s2 to s.
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func (s *CPUStats) Accumulate(s2 CPUStats) {
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s.UserTime += s2.UserTime
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s.SysTime += s2.SysTime
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s.VoluntarySwitches += s2.VoluntarySwitches
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}
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