[chore]: enable int-conversion rule of perfsprint

Signed-off-by: Matthieu MOREL <[email protected]>

.golangci.yml

@@ -22,6 +22,7 @@ linters:
     - govet
     - ineffassign
     - misspell
+    - perfsprint
     - revive
     - staticcheck
     - tenv
@@ -154,6 +155,12 @@ linters-settings:
     locale: US
     ignore-words:
       - cancelled
+  perfsprint:
+    err-error: false
+    errorf: false
+    int-conversion: true
+    sprintf1: false
+    strconcat: false
   revive:
     # Sets the default failure confidence.
     # This means that linting errors with less than 0.8 confidence will be ignored.

baggage/baggage_test.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"math/rand"
 	"slices"
+	"strconv"
 	"strings"
 	"testing"
 	"unicode/utf8"
@@ -232,15 +233,15 @@ func TestNewBaggageWithDuplicates(t *testing.T) {
 		// Duplicates are collapsed.
 		m[i] = Member{
 			key:     "a",
-			value:   fmt.Sprintf("%d", i),
+			value:   strconv.Itoa(i),
 			hasData: true,
 		}
 	}
 	b, err := New(m...)
 	assert.NoError(t, err)
 
 	// Ensure that the last-one-wins by verifying the value.
-	v := fmt.Sprintf("%d", maxMembers)
+	v := strconv.Itoa(maxMembers)
 	want := Baggage{list: baggage.List{"a": {Value: v}}}
 	assert.Equal(t, want, b)
 }
@@ -272,7 +273,7 @@ func TestNewBaggageErrorTooManyBytes(t *testing.T) {
 func TestNewBaggageErrorTooManyMembers(t *testing.T) {
 	m := make([]Member, maxMembers+1)
 	for i := range m {
-		m[i] = Member{key: fmt.Sprintf("%d", i), hasData: true}
+		m[i] = Member{key: strconv.Itoa(i), hasData: true}
 	}
 	_, err := New(m...)
 	assert.ErrorIs(t, err, errMemberNumber)

bridge/opencensus/internal/ocmetric/metric_test.go

@@ -1064,7 +1064,7 @@ func TestConvertKV(t *testing.T) {
 		},
 		{
 			value:    uint(math.MaxUint),
-			expected: attribute.StringValue(fmt.Sprintf("%v", uint(math.MaxUint))),
+			expected: attribute.StringValue(strconv.FormatUint(uint64(uint(math.MaxUint)), 10)),
 		},
 		{
 			value:    []uint{10, 20},

bridge/opentracing/bridge.go

@@ -6,6 +6,7 @@ package opentracing // import "go.opentelemetry.io/otel/bridge/opentracing"
 import (
 	"context"
 	"fmt"
+	"strconv"
 	"strings"
 	"sync"
 
@@ -532,7 +533,7 @@ func otTagToOTelAttr(k string, v interface{}) attribute.KeyValue {
 	case int64:
 		return key.Int64(val)
 	case uint64:
-		return key.String(fmt.Sprintf("%d", val))
+		return key.String(strconv.FormatUint(val, 10))
 	case float64:
 		return key.Float64(val)
 	case int8:
@@ -552,7 +553,7 @@ func otTagToOTelAttr(k string, v interface{}) attribute.KeyValue {
 	case int:
 		return key.Int(val)
 	case uint:
-		return key.String(fmt.Sprintf("%d", val))
+		return key.String(strconv.FormatUint(uint64(val), 10))
 	case string:
 		return key.String(val)
 	default:

codes/codes_test.go

@@ -6,7 +6,7 @@ package codes
 import (
 	"bytes"
 	"encoding/json"
-	"fmt"
+	"strconv"
 	"testing"
 )
 
@@ -72,7 +72,7 @@ func TestCodeUnmarshalJSON(t *testing.T) {
 
 func TestCodeUnmarshalJSONErrorInvalidData(t *testing.T) {
 	tests := []string{
-		fmt.Sprintf("%d", maxCode),
+		strconv.Itoa(maxCode),
 		"Not a code",
 		"Unset",
 		"true",

exporters/zipkin/internal/internaltest/harness.go

@@ -9,6 +9,7 @@ package internaltest // import "go.opentelemetry.io/otel/exporters/zipkin/intern
 import (
 	"context"
 	"fmt"
+	"strconv"
 	"sync"
 	"testing"
 	"time"
@@ -58,7 +59,7 @@ func (h *Harness) TestTracerProvider(subjectFactory func() trace.TracerProvider)
 						go func(name, version string) {
 							_ = tp.Tracer(name, trace.WithInstrumentationVersion(version))
 							wg.Done()
-						}(fmt.Sprintf("tracer %d", i%5), fmt.Sprintf("%d", i))
+						}(fmt.Sprintf("tracer %d", i%5), strconv.Itoa(i))
 					}
 					wg.Wait()
 					done <- struct{}{}

internal/internaltest/harness.go

@@ -9,6 +9,7 @@ package internaltest // import "go.opentelemetry.io/otel/internal/internaltest"
 import (
 	"context"
 	"fmt"
+	"strconv"
 	"sync"
 	"testing"
 	"time"
@@ -58,7 +59,7 @@ func (h *Harness) TestTracerProvider(subjectFactory func() trace.TracerProvider)
 						go func(name, version string) {
 							_ = tp.Tracer(name, trace.WithInstrumentationVersion(version))
 							wg.Done()
-						}(fmt.Sprintf("tracer %d", i%5), fmt.Sprintf("%d", i))
+						}(fmt.Sprintf("tracer %d", i%5), strconv.Itoa(i))
 					}
 					wg.Wait()
 					done <- struct{}{}

internal/shared/internaltest/harness.go.tmpl

@@ -58,7 +58,7 @@ func (h *Harness) TestTracerProvider(subjectFactory func() trace.TracerProvider)
 						go func(name, version string) {
 							_ = tp.Tracer(name, trace.WithInstrumentationVersion(version))
 							wg.Done()
-						}(fmt.Sprintf("tracer %d", i%5), fmt.Sprintf("%d", i))
+						}(fmt.Sprintf("tracer %d", i%5), strconv.Itoa(i))
 					}
 					wg.Wait()
 					done <- struct{}{}

sdk/internal/internaltest/harness.go

@@ -9,6 +9,7 @@ package internaltest // import "go.opentelemetry.io/otel/sdk/internal/internalte
 import (
 	"context"
 	"fmt"
+	"strconv"
 	"sync"
 	"testing"
 	"time"
@@ -58,7 +59,7 @@ func (h *Harness) TestTracerProvider(subjectFactory func() trace.TracerProvider)
 						go func(name, version string) {
 							_ = tp.Tracer(name, trace.WithInstrumentationVersion(version))
 							wg.Done()
-						}(fmt.Sprintf("tracer %d", i%5), fmt.Sprintf("%d", i))
+						}(fmt.Sprintf("tracer %d", i%5), strconv.Itoa(i))
 					}
 					wg.Wait()
 					done <- struct{}{}

sdk/resource/resource_test.go

@@ -9,6 +9,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"strconv"
 	"strings"
 	"sync"
 	"testing"
@@ -560,7 +561,7 @@ func TestWithProcessPID(t *testing.T) {
 
 	require.NoError(t, err)
 	require.EqualValues(t, map[string]string{
-		"process.pid": fmt.Sprint(fakePID),
+		"process.pid": strconv.Itoa(fakePID),
 	}, toMap(res))
 }
 
@@ -674,7 +675,7 @@ func TestWithProcess(t *testing.T) {
 	require.NoError(t, err)
 	jsonCommandArgs, _ := json.Marshal(fakeCommandArgs)
 	require.EqualValues(t, map[string]string{
-		"process.pid":                 fmt.Sprint(fakePID),
+		"process.pid":                 strconv.Itoa(fakePID),
 		"process.executable.name":     fakeExecutableName,
 		"process.executable.path":     fakeExecutablePath,
 		"process.command_args":        string(jsonCommandArgs),