Prototype(symbolization): Add symbolization in Pyroscope read path

.mockery.yaml

@@ -27,6 +27,7 @@ packages:
   github.com/grafana/pyroscope/pkg/frontend/read_path/query_frontend:
     interfaces:
       QueryBackend:
+      Symbolizer:
   github.com/grafana/pyroscope/pkg/ingester/otlp:
     interfaces:
       PushService:
@@ -63,3 +64,7 @@ packages:
   github.com/grafana/pyroscope/pkg/frontend/vcs/client:
     interfaces:
       repositoryService:
+  github.com/grafana/pyroscope/pkg/experiment/symbolizer:
+    interfaces:
+      DebuginfodClient:
+      DebugInfoStore:

cmd/pyroscope/help-all.txt.tmpl

@@ -1079,6 +1079,8 @@ Usage of ./pyroscope:
     	True to enable zone-awareness and replicate blocks across different availability zones. This option needs be set both on the store-gateway and querier when running in microservices mode.
   -store-gateway.tenant-shard-size int
     	The tenant's shard size, used when store-gateway sharding is enabled. Value of 0 disables shuffle sharding for the tenant, that is all tenant blocks are sharded across all store-gateway replicas.
+  -symbolizer.tenant-enabled
+    	[experimental] When symbolizer.enabled is true, this controls whether symbolization is enabled for tenants by default. Can be overridden per-tenant. (default true)
   -target comma-separated-list-of-strings
     	Comma-separated list of Pyroscope modules to load. The alias 'all' can be used in the list to load a number of core modules and will enable single-binary mode.  (default all)
   -tenant-settings.collection-rules.alloy-template-path string

go.mod

@@ -11,6 +11,7 @@ require (
 	github.com/cespare/xxhash/v2 v2.3.0
 	github.com/colega/zeropool v0.0.0-20230505084239-6fb4a4f75381
 	github.com/dennwc/varint v1.0.0
+	github.com/dgraph-io/ristretto/v2 v2.2.0
 	github.com/dgryski/go-groupvarint v0.0.0-20230630160417-2bfb7969fb3c
 	github.com/dolthub/swiss v0.2.1
 	github.com/drone/envsubst v1.0.3
@@ -35,6 +36,7 @@ require (
 	github.com/grafana/pyroscope-go/godeltaprof v0.1.8
 	github.com/grafana/pyroscope-go/x/k6 v0.0.0-20241003203156-a917cea171d3
 	github.com/grafana/pyroscope/api v0.4.0
+	github.com/grafana/pyroscope/lidia v0.0.0-20250416154336-a5c33510d5ff
 	github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.25.1

go.sum

@@ -166,6 +166,10 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dennwc/varint v1.0.0 h1:kGNFFSSw8ToIy3obO/kKr8U9GZYUAxQEVuix4zfDWzE=
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+github.com/dgraph-io/ristretto/v2 v2.2.0 h1:bkY3XzJcXoMuELV8F+vS8kzNgicwQFAaGINAEJdWGOM=
+github.com/dgraph-io/ristretto/v2 v2.2.0/go.mod h1:RZrm63UmcBAaYWC1DotLYBmTvgkrs0+XhBd7Npn7/zI=
+github.com/dgryski/go-farm v0.0.0-20240924180020-3414d57e47da h1:aIftn67I1fkbMa512G+w+Pxci9hJPB8oMnkcP3iZF38=
+github.com/dgryski/go-farm v0.0.0-20240924180020-3414d57e47da/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-groupvarint v0.0.0-20230630160417-2bfb7969fb3c h1:cHaw4wmusVzAZLEPWOCCGCfu6UvFXx9UboCHQCnjvxY=
 github.com/dgryski/go-groupvarint v0.0.0-20230630160417-2bfb7969fb3c/go.mod h1:MlkUQveSLEDbIgq2r1e++tSf0zfzU9mQpa9Qkczl+9Y=
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@@ -375,6 +379,8 @@ github.com/grafana/pyroscope-go/godeltaprof v0.1.8 h1:iwOtYXeeVSAeYefJNaxDytgjKt
 github.com/grafana/pyroscope-go/godeltaprof v0.1.8/go.mod h1:2+l7K7twW49Ct4wFluZD3tZ6e0SjanjcUUBPVD/UuGU=
 github.com/grafana/pyroscope-go/x/k6 v0.0.0-20241003203156-a917cea171d3 h1:GtwQDlBz8aJHMy2Ko28UDRGgGzi7v4Vf20+ZyXaGy7M=
 github.com/grafana/pyroscope-go/x/k6 v0.0.0-20241003203156-a917cea171d3/go.mod h1:nfbW6/4ke3ywlqLb+Zgr9t1z9Zv3m+2ImUp+vbkzHpc=
+github.com/grafana/pyroscope/lidia v0.0.0-20250416154336-a5c33510d5ff h1:9dI8HuAIA5L/EsPXkk3YqA3Pp5i7ECvQkWMwUepLoCY=
+github.com/grafana/pyroscope/lidia v0.0.0-20250416154336-a5c33510d5ff/go.mod h1:3f/0/CzhTk1moGlVOp2nJQKCAL+4M5GTnkfDd5hqDIk=
 github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc h1:GN2Lv3MGO7AS6PrRoT6yV5+wkrOpcszoIsO4+4ds248=
 github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc/go.mod h1:+JKpmjMGhpgPL+rXZ5nsZieVzvarn86asRlBg4uNGnk=
 github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 h1:UH//fgunKIs4JdUbpDl1VZCDaL56wXCB/5+wF6uHfaI=

go.work.sum

@@ -896,15 +896,25 @@ github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3
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@@ -936,9 +946,12 @@ github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90 h1:WXb3TSNmHp2vHoCro
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8 h1:a9ENSRDFBUPkJ5lCgVZh26+ZbGyoVJG7yb5SSzF5H54=
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@@ -1032,6 +1045,11 @@ github.com/google/flatbuffers v2.0.8+incompatible h1:ivUb1cGomAB101ZM1T0nOiWz9pS
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 github.com/google/go-pkcs11 v0.2.1-0.20230907215043-c6f79328ddf9 h1:OF1IPgv+F4NmqmJ98KTjdN97Vs1JxDPB3vbmYzV2dpk=
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@@ -1098,6 +1116,8 @@ github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:
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@@ -1288,6 +1308,8 @@ github.com/rs/cors v1.11.1 h1:eU3gRzXLRK57F5rKMGMZURNdIG4EoAmX8k94r9wXWHA=
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@@ -1323,6 +1345,8 @@ github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
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@@ -1439,9 +1463,13 @@ go.opentelemetry.io/otel/trace v1.24.0/go.mod h1:HPc3Xr/cOApsBI154IU0OI0HJexz+aw
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 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
@@ -1526,6 +1554,7 @@ golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

lidia/format.go

@@ -5,7 +5,6 @@ import (
 	"encoding/binary"
 	"hash/crc32"
 	"io"
-	"os"
 )
 
 type stringOffset uint64
@@ -131,7 +130,7 @@ func readFields8(entryBuf []byte) rangeEntry {
 	}
 }
 
-func (rc *rangeCollector) write(f *os.File) error {
+func (rc *rangeCollector) write(f io.WriteSeeker) error {
 	buf := bufio.NewWriter(f)
 	hdr := &header{
 		version: version,

lidia/lidia.go

@@ -182,13 +182,7 @@ func CreateLidiaFromELF(elfFile *elf.File, output io.WriteSeeker, opts ...Option
 
 	rb.sort()
 
-	// Cast to *os.File to use the write method
-	outputFile, ok := output.(*os.File)
-	if !ok {
-		return fmt.Errorf("output must be an *os.File")
-	}
-
-	err = rc.write(outputFile)
+	err = rc.write(output)
 	if err != nil {
 		return fmt.Errorf("failed to write lidia file: %w", err)
 	}

lidia/lidia_test.go

@@ -8,13 +8,13 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/grafana/pyroscope/lidia"
-
 	"github.com/stretchr/testify/require"
+
+	"github.com/grafana/pyroscope/lidia"
 )
 
 const compressedTestBinaryFile = "testdata/test-binary.zip"
-const decompressedDir = "decompressed" // Will be created in the temp dir
+const decompressedDir = "decompressed"
 
 // TestCreateLidia tests the CreateLidia function with the test binary
 func TestCreateLidia(t *testing.T) {

pkg/experiment/symbolizer/debuginfo_store.go

@@ -0,0 +1,48 @@
+package symbolizer
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"github.com/grafana/pyroscope/pkg/objstore"
+	objstoreclient "github.com/grafana/pyroscope/pkg/objstore/client"
+)
+
+// DebugInfoStoreConfig holds configuration for the debug info cache
+type DebugInfoStoreConfig struct {
+	Storage objstoreclient.Config `yaml:"storage"`
+}
+
+// DebugInfoStore handles caching of debug info files
+type DebugInfoStore interface {
+	Get(ctx context.Context, buildID string) (io.ReadCloser, error)
+	Put(ctx context.Context, buildID string, reader io.Reader) error
+}
+
+// ObjstoreDebugInfoStore implements DebugInfoStore using object storage
+type ObjstoreDebugInfoStore struct {
+	bucket objstore.Bucket
+}
+
+func NewObjstoreDebugInfoStore(bucket objstore.Bucket) *ObjstoreDebugInfoStore {
+	return &ObjstoreDebugInfoStore{
+		bucket: bucket,
+	}
+}
+
+func (c *ObjstoreDebugInfoStore) Get(ctx context.Context, buildID string) (io.ReadCloser, error) {
+	reader, err := c.bucket.Get(ctx, buildID)
+	if err != nil {
+		if c.bucket.IsObjNotFoundErr(err) {
+			return nil, err
+		}
+		return nil, fmt.Errorf("get from cache: %w", err)
+	}
+
+	return reader, nil
+}
+
+func (c *ObjstoreDebugInfoStore) Put(ctx context.Context, buildID string, reader io.Reader) error {
+	return c.bucket.Upload(ctx, buildID, reader)
+}