implement configurable timeout for OBD tests (#9324)

pkg/disk/obd.go

@@ -21,7 +21,6 @@ import (
 	"context"
 	"fmt"
 	"os"
-	"runtime"
 	"time"
 
 	"github.com/dustin/go-humanize"
@@ -52,8 +51,7 @@ type Throughput struct {
 }
 
 // GetOBDInfo about the drive
-func GetOBDInfo(ctx context.Context, drive string, fsPath string) (Latency, Throughput, error) {
-	runtime.LockOSThread()
+func GetOBDInfo(ctx context.Context, drive, fsPath string) (Latency, Throughput, error) {
 
 	// Create a file with O_DIRECT flag, choose default umask and also make sure
 	// we are exclusively writing to a new file using O_EXCL.
@@ -96,8 +94,6 @@ func GetOBDInfo(ctx context.Context, drive string, fsPath string) (Latency, Thro
 		latencies[i] = float64(latencyInSecs)
 	}
 
-	runtime.UnlockOSThread()
-
 	for i := range latencies {
 		throughput := float64(blockSize) / latencies[i]
 		throughputs[i] = throughput

pkg/madmin/obd.go

@@ -221,11 +221,14 @@ var OBDDataTypesList = []OBDDataType{
 
 // ServerOBDInfo - Connect to a minio server and call OBD Info Management API
 // to fetch server's information represented by OBDInfo structure
-func (adm *AdminClient) ServerOBDInfo(ctx context.Context, obdDataTypes []OBDDataType) <-chan OBDInfo {
+func (adm *AdminClient) ServerOBDInfo(ctx context.Context, obdDataTypes []OBDDataType, deadline time.Duration) <-chan OBDInfo {
 	respChan := make(chan OBDInfo)
 	go func() {
 		v := url.Values{}
 
+		v.Set("deadline",
+			deadline.Truncate(1*time.Second).String())
+
 		// start with all set to false
 		for _, d := range OBDDataTypesList {
 			v.Set(string(d), "false")