gvisor/test: create a per-testcase directory for runsc logs

Otherwise it's hard to find a directory for a specific test case.

PiperOrigin-RevId: 252636901

1 files changed, 5 insertions, 1 deletions

diff --git a/test/syscalls/syscall_test_runner.go b/test/syscalls/syscall_test_runner.go
index eb04a4fab..476248184 100644
--- a/test/syscalls/syscall_test_runner.go
+++ b/test/syscalls/syscall_test_runner.go
@@ -200,7 +200,11 @@ func runTestCaseRunsc(testBin string, tc gtest.TestCase, t *testing.T) {
 		args = append(args, "-strace")
 	}
 	if outDir, ok := syscall.Getenv("TEST_UNDECLARED_OUTPUTS_DIR"); ok {
-		debugLogDir, err := ioutil.TempDir(outDir, "runsc")
+		tdir := filepath.Join(outDir, strings.Replace(tc.FullName(), "/", "_", -1))
+		if err := os.MkdirAll(tdir, 0755); err != nil {
+			t.Fatalf("could not create test dir: %v", err)
+		}
+		debugLogDir, err := ioutil.TempDir(tdir, "runsc")
 		if err != nil {
 			t.Fatalf("could not create temp dir: %v", err)
 		}