[test] Allow more time for tsan testing

This increases the base factor for timeouts on tsan as testing got
slower after https://crrev.com/c/2953321

Due to overall slower runtime we also increase the shards.

Bug: v8:11906
Change-Id: Ic5de5859755266a1e327433ce8efe6c171490a8d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979671
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75320}

infra/testing/builders.pyl

@@ -504,13 +504,13 @@
       'os': 'Ubuntu-18.04',
     },
     'tests': [
-      {'name': 'benchmarks'},
-      {'name': 'mozilla'},
-      {'name': 'test262', 'variant': 'default', 'shards': 3},
-      {'name': 'v8testing', 'shards': 5},
-      {'name': 'v8testing', 'variant': 'extra', 'shards': 3},
-      {'name': 'v8testing', 'variant': 'slow_path'},
-      {'name': 'v8testing', 'variant': 'stress_concurrent_allocation'},
+      {'name': 'benchmarks', 'shards': 2},
+      {'name': 'mozilla', 'shards': 2},
+      {'name': 'test262', 'variant': 'default', 'shards': 5},
+      {'name': 'v8testing', 'shards': 6},
+      {'name': 'v8testing', 'variant': 'extra', 'shards': 5},
+      {'name': 'v8testing', 'variant': 'slow_path', 'shards': 2},
+      {'name': 'v8testing', 'variant': 'stress_concurrent_allocation', 'shards': 2},
     ],
   },
   'v8_linux64_tsan_no_cm_rel_ng_triggered': {
@@ -528,7 +528,7 @@
         'test_args': ['--extra-flags=--future'],
         'shards': 6,
       },
-      {'name': 'v8testing', 'variant': 'stress_concurrent_inlining'},
+      {'name': 'v8testing', 'variant': 'stress_concurrent_inlining', 'shards': 2},
     ],
   },
   'v8_linux64_tsan_isolates_rel_ng_triggered': {
@@ -1350,13 +1350,13 @@
       'os': 'Ubuntu-18.04',
     },
     'tests': [
-      {'name': 'benchmarks'},
-      {'name': 'mozilla'},
-      {'name': 'test262', 'variant': 'default', 'shards': 3},
-      {'name': 'v8testing', 'shards': 5},
-      {'name': 'v8testing', 'variant': 'extra', 'shards': 3},
-      {'name': 'v8testing', 'variant': 'slow_path', 'shards': 1},
-      {'name': 'v8testing', 'variant': 'stress_concurrent_allocation', 'shards': 1},
+      {'name': 'benchmarks', 'shards': 2},
+      {'name': 'mozilla', 'shards': 2},
+      {'name': 'test262', 'variant': 'default', 'shards': 5},
+      {'name': 'v8testing', 'shards': 6},
+      {'name': 'v8testing', 'variant': 'extra', 'shards': 5},
+      {'name': 'v8testing', 'variant': 'slow_path', 'shards': 2},
+      {'name': 'v8testing', 'variant': 'stress_concurrent_allocation', 'shards': 2},
     ],
   },
   'V8 Linux64 TSAN - stress-incremental-marking': {
@@ -1372,16 +1372,18 @@
       {
         'name': 'benchmarks',
         'test_args': ['--extra-flags=--stress-incremental-marking'],
+        'shards': 2,
       },
       {
         'name': 'mozilla',
         'test_args': ['--extra-flags=--stress-incremental-marking'],
+        'shards': 2,
       },
       {
         'name': 'test262',
         'variant': 'default',
         'test_args': ['--extra-flags=--stress-incremental-marking'],
-        'shards': 4,
+        'shards': 5,
       },
       {
         'name': 'v8testing',
@@ -1413,7 +1415,7 @@
         'test_args': ['--extra-flags=--future'],
         'shards': 6,
       },
-      {'name': 'v8testing', 'variant': 'stress_concurrent_inlining'},
+      {'name': 'v8testing', 'variant': 'stress_concurrent_inlining', 'shards': 2},
     ],
   },
   'V8 Linux64 UBSan': {

tools/testrunner/base_runner.py

@@ -740,7 +740,7 @@ class BaseTestRunner(object):
     if self.build_config.predictable:
       factor *= 4
     if self.build_config.tsan:
-      factor *= 1.5
+      factor *= 2
     if self.build_config.use_sanitizer:
       factor *= 1.5
     if self.build_config.is_full_debug: