github.com/alibaba/ilogtail/pkg@v0.0.0-20250526110833-c53b480d046c/helper/profile/pyroscope/pprof/pprof_test.go (about)

     1  // Copyright 2023 iLogtail Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package pprof
    16  
    17  import (
    18  	"context"
    19  	"os"
    20  	"strconv"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/pyroscope-io/pyroscope/pkg/convert/pprof"
    25  	"github.com/pyroscope-io/pyroscope/pkg/storage/tree"
    26  	"github.com/stretchr/testify/require"
    27  
    28  	"github.com/alibaba/ilogtail/pkg/helper/profile"
    29  	"github.com/alibaba/ilogtail/pkg/protocol"
    30  )
    31  
    32  func readPprofFixture(path string) (*tree.Profile, error) {
    33  	f, err := os.Open(path)
    34  	if err != nil {
    35  		return nil, err
    36  	}
    37  	defer func() {
    38  		_ = f.Close()
    39  	}()
    40  
    41  	var p tree.Profile
    42  	if err = pprof.Decode(f, &p); err != nil {
    43  		return nil, err
    44  	}
    45  	return &p, nil
    46  }
    47  
    48  const (
    49  	name        = "runtime.kevent /opt/homebrew/Cellar/go/1.16.1/libexec/src/runtime/sys_darwin.go"
    50  	stack       = "runtime.netpoll /opt/homebrew/Cellar/go/1.16.1/libexec/src/runtime/netpoll_kqueue.go\nruntime.findrunnable /opt/homebrew/Cellar/go/1.16.1/libexec/src/runtime/proc.go\nruntime.schedule /opt/homebrew/Cellar/go/1.16.1/libexec/src/runtime/proc.go\nruntime.park_m /opt/homebrew/Cellar/go/1.16.1/libexec/src/runtime/proc.go\nruntime.mcall /opt/homebrew/Cellar/go/1.16.1/libexec/src/runtime/asm_arm64.s"
    51  	stackID     = "40fb694aa9506d0b"
    52  	startTime   = 1619321948265140000
    53  	endTime     = 1619321949365317167
    54  	lanuage     = "go"
    55  	profileType = "profile_cpu"
    56  	dataType    = "CallStack"
    57  	val         = 250000000
    58  	valType     = "cpu"
    59  	unitType    = "nanoseconds"
    60  	aggType     = "sum"
    61  )
    62  
    63  var (
    64  	tags = map[string]string{
    65  		"_app_name_": "12",
    66  	}
    67  )
    68  
    69  func TestRawProfile_Parse(t *testing.T) {
    70  	te, err := readPprofFixture("testdata/cpu.pb.gz")
    71  	require.NoError(t, err)
    72  	p := Parser{
    73  		stackFrameFormatter: Formatter{},
    74  		sampleTypesFilter:   filterKnownSamples(DefaultSampleTypeMapping),
    75  		sampleTypes:         DefaultSampleTypeMapping,
    76  	}
    77  	r := new(RawProfile)
    78  	meta := &profile.Meta{
    79  		Tags:            tags,
    80  		SpyName:         "go",
    81  		StartTime:       time.Now(),
    82  		EndTime:         time.Now(),
    83  		SampleRate:      99,
    84  		Units:           profile.NanosecondsUnit,
    85  		AggregationType: profile.SumAggType,
    86  	}
    87  	cb := r.extractProfileV1(meta, map[string]string{"cluster": "cluster2"})
    88  	r.parser = &p
    89  	err = r.extractLogs(context.Background(), te, meta, cb)
    90  	require.NoError(t, err)
    91  	logs := r.logs
    92  	require.Equal(t, len(logs), 6)
    93  	picks := PickLogs(logs, "stackID", stackID)
    94  	require.Equal(t, len(picks), 1)
    95  	log := picks[0]
    96  	require.Equal(t, ReadLogVal(log, "name"), name)
    97  	require.Equal(t, ReadLogVal(log, "stack"), stack)
    98  	require.Equal(t, ReadLogVal(log, "language"), lanuage)
    99  	require.Equal(t, ReadLogVal(log, "type"), profileType)
   100  	require.Equal(t, ReadLogVal(log, "units"), unitType)
   101  	require.Equal(t, ReadLogVal(log, "valueTypes"), valType)
   102  	require.Equal(t, ReadLogVal(log, "aggTypes"), aggType)
   103  	require.Equal(t, ReadLogVal(log, "dataType"), dataType)
   104  	require.Equal(t, ReadLogVal(log, "durationNs"), strconv.Itoa(endTime-startTime))
   105  	require.Equal(t, ReadLogVal(log, "labels"), "{\"_app_name_\":\"12\",\"cluster\":\"cluster2\"}")
   106  	require.Equal(t, ReadLogVal(log, "val"), "250000000.00")
   107  }
   108  
   109  // ReadLogVal returns the log content value for the input key, and returns empty string when not found.
   110  func ReadLogVal(log *protocol.Log, key string) string {
   111  	for _, content := range log.Contents {
   112  		if content.Key == key {
   113  			return content.Value
   114  		}
   115  	}
   116  	return ""
   117  }
   118  
   119  // PickLogs select some of original logs to new res logs by the specific pickKey and pickVal.
   120  func PickLogs(logs []*protocol.Log, pickKey string, pickVal string) (res []*protocol.Log) {
   121  	for _, log := range logs {
   122  		if ReadLogVal(log, pickKey) == pickVal {
   123  			res = append(res, log)
   124  		}
   125  	}
   126  	return res
   127  }