tools/syz-bisect: print hostname and bisection date

Log bisection date and hostname of the bisecting machine for
the debugging purposes. It makes more easy to check bisection
problems on the bisecting host if something goes wrong.

Signed-off-by: Denis Efremov <denis.e.efremov@oracle.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/pkg/bisect/bisect.go b/pkg/bisect/bisect.go
index 47489558c..3320e7da3 100644
--- a/pkg/bisect/bisect.go
+++ b/pkg/bisect/bisect.go
@@ -5,6 +5,7 @@ package bisect
 
 import (
 	"fmt"
+	"os"
 	"time"
 
 	"github.com/google/syzkaller/pkg/build"
@@ -147,6 +148,11 @@ func runImpl(cfg *Config, repo vcs.Repo, inst instance.Env) (*Result, error) {
 		return nil, err
 	}
 	env.head = head
+	hostname, err := os.Hostname()
+	if err != nil {
+		hostname = "unnamed host"
+	}
+	env.log("%s starts bisection %s", hostname, env.startTime.String())
 	if cfg.Fix {
 		env.log("bisecting fixing commit since %v", cfg.Kernel.Commit)
 	} else {