69b18ed167
This may happen if there's been another call to microfactory before we've read the log file. Just ignore the error and continue. Test: Run `while true; do get_build_var TARGET_PRODUCT; done` in parallel Change-Id: I670144f4637281ebf1299dbd9151dd9819c363e3
64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
// Copyright 2017 Google Inc. All rights reserved.
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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 tracer
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import (
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"bufio"
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"os"
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"strconv"
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"strings"
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)
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func (t *tracerImpl) ImportMicrofactoryLog(filename string) {
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if _, err := os.Stat(filename); err != nil {
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return
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}
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f, err := os.Open(filename)
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if err != nil {
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t.log.Verboseln("Error opening microfactory trace:", err)
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return
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}
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defer f.Close()
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entries := []*eventEntry{}
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begin := map[string][]uint64{}
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s := bufio.NewScanner(f)
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for s.Scan() {
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fields := strings.SplitN(s.Text(), " ", 3)
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if len(fields) != 3 {
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t.log.Verboseln("Unknown line in microfactory trace:", s.Text())
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continue
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}
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timestamp, err := strconv.ParseUint(fields[0], 10, 64)
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if err != nil {
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t.log.Verboseln("Failed to parse timestamp in microfactory trace:", err)
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}
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if fields[1] == "B" {
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begin[fields[2]] = append(begin[fields[2]], timestamp)
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} else if beginTimestamps, ok := begin[fields[2]]; ok {
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entries = append(entries, &eventEntry{
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Name: fields[2],
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Begin: beginTimestamps[len(beginTimestamps)-1],
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End: timestamp,
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})
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begin[fields[2]] = beginTimestamps[:len(beginTimestamps)-1]
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}
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}
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t.importEvents(entries)
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}
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