40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
/*
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* Minio Cloud Storage, (C) 2019 Minio, 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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*/
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package cpu
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import (
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"syscall"
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"time"
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"unsafe"
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)
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const (
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// ProcessClock corresponds to the High-resolution per-process
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// timer from the CPU represented in stdlib as CLOCK_PROCESS_CPUTIME_ID
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processClock = 2
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)
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func newCounter() (counter, error) {
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return counter{}, nil
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}
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func (c counter) now() time.Time {
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var ts syscall.Timespec
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syscall.Syscall(syscall.SYS_CLOCK_GETTIME, processClock, uintptr(unsafe.Pointer(&ts)), 0)
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sec, nsec := ts.Unix()
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return time.Unix(sec, nsec)
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}
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