| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package main |
| |
| import ( |
| "encoding/csv" |
| "fmt" |
| "os" |
| "os/signal" |
| "strconv" |
| |
| "fuchsia.googlesource.com/zedmon" |
| ) |
| |
| func main() { |
| zedmon, err := zedmon.OpenZedmon() |
| if err != nil { |
| panic(fmt.Sprintf("Can't open zendmon: %v", err)) |
| } |
| defer zedmon.Close() |
| |
| f, err := os.OpenFile("zedmon.csv", os.O_CREATE|os.O_RDWR, 0666) |
| if err != nil { |
| panic(fmt.Sprintf("Can't open zedmon.csv: %v", err)) |
| } |
| defer f.Close() |
| |
| termChan := make(chan os.Signal, 1) |
| signal.Notify(termChan, os.Interrupt) |
| |
| writer := csv.NewWriter(f) |
| defer writer.Flush() |
| |
| fmt.Printf("Starting report recording. Send ^C to stop.\n") |
| zedmon.EnableReporting() |
| |
| RecordSampling: |
| for { |
| reports, err := zedmon.ReadReports() |
| if err != nil { |
| fmt.Printf("Error reading reports: %v\n", err) |
| continue |
| } |
| for _, report := range reports { |
| record := make([]string, 0, len(report.Values)) |
| record = append(record, strconv.FormatUint(report.Timestamp, 10)) |
| for _, value := range report.Values { |
| record = append(record, strconv.FormatFloat(value, 'g', -1, 64)) |
| } |
| writer.Write(record) |
| } |
| |
| select { |
| case <-termChan: |
| break RecordSampling |
| default: |
| } |
| } |
| fmt.Printf("Stopping report recording.\n") |
| } |