| // Copyright 2014 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package symbolz |
| |
| import ( |
| "fmt" |
| "strings" |
| "testing" |
| |
| "github.com/google/pprof/internal/plugin" |
| "github.com/google/pprof/internal/proftest" |
| "github.com/google/pprof/profile" |
| ) |
| |
| func TestSymbolzURL(t *testing.T) { |
| for try, want := range map[string]string{ |
| "http://host:8000/profilez": "http://host:8000/symbolz", |
| "http://host:8000/profilez?seconds=5": "http://host:8000/symbolz", |
| "http://host:8000/profilez?seconds=5&format=proto": "http://host:8000/symbolz", |
| "http://host:8000/heapz?format=legacy": "http://host:8000/symbolz", |
| "http://host:8000/debug/pprof/profile": "http://host:8000/debug/pprof/symbol", |
| "http://host:8000/debug/pprof/profile?seconds=10": "http://host:8000/debug/pprof/symbol", |
| "http://host:8000/debug/pprof/heap": "http://host:8000/debug/pprof/symbol", |
| } { |
| if got := symbolz(try); got != want { |
| t.Errorf(`symbolz(%s)=%s, want "%s"`, try, got, want) |
| } |
| } |
| } |
| |
| func TestSymbolize(t *testing.T) { |
| m := []*profile.Mapping{ |
| { |
| ID: 1, |
| Start: 0x1000, |
| Limit: 0x5000, |
| BuildID: "buildid", |
| }, |
| } |
| p := &profile.Profile{ |
| Location: []*profile.Location{ |
| {ID: 1, Mapping: m[0], Address: 0x1000}, |
| {ID: 2, Mapping: m[0], Address: 0x2000}, |
| {ID: 3, Mapping: m[0], Address: 0x3000}, |
| {ID: 4, Mapping: m[0], Address: 0x4000}, |
| }, |
| Mapping: m, |
| } |
| |
| s := plugin.MappingSources{ |
| "buildid": []struct { |
| Source string |
| Start uint64 |
| }{ |
| {Source: "http://localhost:80/profilez"}, |
| }, |
| } |
| |
| if err := Symbolize(s, fetchSymbols, p, &proftest.TestUI{T: t}); err != nil { |
| t.Errorf("symbolz: %v", err) |
| } |
| |
| if l := p.Location[0]; len(l.Line) != 0 { |
| t.Errorf("unexpected symbolization for %#x: %v", l.Address, l.Line) |
| } |
| |
| for _, l := range p.Location[1:] { |
| if len(l.Line) != 1 { |
| t.Errorf("failed to symbolize %#x", l.Address) |
| continue |
| } |
| address := l.Address - l.Mapping.Start |
| if got, want := l.Line[0].Function.Name, fmt.Sprintf("%#x", address); got != want { |
| t.Errorf("symbolz %#x, got %s, want %s", address, got, want) |
| } |
| } |
| } |
| |
| func fetchSymbols(source, post string) ([]byte, error) { |
| var symbolz string |
| |
| addresses := strings.Split(post, "+") |
| // Do not symbolize the first symbol. |
| for _, address := range addresses[1:] { |
| symbolz += fmt.Sprintf("%s\t%s\n", address, address) |
| } |
| return []byte(symbolz), nil |
| } |