mirror of https://github.com/google/oss-fuzz.git
69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
// Copyright 2019 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 main
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import (
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"flag"
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"log"
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"os"
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"github.com/google/pprof/profile"
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)
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var (
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output string
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)
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func main() {
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flag.StringVar(&output, "o", "merged.data", "")
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flag.Parse()
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files := os.Args[1:]
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if len(files) == 0 {
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log.Fatal("Give profiles files as arguments")
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}
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var profiles []*profile.Profile
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for _, fname := range files {
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f, err := os.Open(fname)
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if err != nil {
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log.Fatalf("Cannot open profile file at %q: %v", fname, err)
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}
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p, err := profile.Parse(f)
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if err != nil {
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log.Fatalf("Cannot parse profile at %q: %v", fname, err)
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}
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profiles = append(profiles, p)
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}
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merged, err := profile.Merge(profiles)
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if err != nil {
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log.Fatalf("Cannot merge profiles: %v", err)
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}
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out, err := os.OpenFile(output, os.O_RDWR|os.O_CREATE, 0755)
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if err != nil {
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log.Fatalf("Cannot open output to write: %v", err)
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}
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if err := merged.Write(out); err != nil {
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log.Fatalf("Cannot write merged profile to file: %v", err)
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}
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if err := out.Close(); err != nil {
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log.Printf("Error when closing the output file: %v", err)
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}
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}
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