3 * Copyright 2016 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
23 func cpuTimeDiff(first *syscall.Rusage, latest *syscall.Rusage) (float64, float64) {
25 utimeDiffs = latest.Utime.Sec - first.Utime.Sec
26 utimeDiffus = latest.Utime.Usec - first.Utime.Usec
27 stimeDiffs = latest.Stime.Sec - first.Stime.Sec
28 stimeDiffus = latest.Stime.Usec - first.Stime.Usec
31 uTimeElapsed := float64(utimeDiffs) + float64(utimeDiffus)*1.0e-6
32 sTimeElapsed := float64(stimeDiffs) + float64(stimeDiffus)*1.0e-6
34 return uTimeElapsed, sTimeElapsed