[dart/fuzzer] Shard fuzzer support
Change-Id: I727498e5fbc321bbcd9546f43b25cf3c47209dd1
Reviewed-on: https://dart-review.googlesource.com/c/78180
Reviewed-by: Alexander Thomas <athom@google.com>
Commit-Queue: Aart Bik <ajcbik@google.com>
diff --git a/runtime/tools/dartfuzz/dartfuzz_test.dart b/runtime/tools/dartfuzz/dartfuzz_test.dart
index 87af806..4645b05 100644
--- a/runtime/tools/dartfuzz/dartfuzz_test.dart
+++ b/runtime/tools/dartfuzz/dartfuzz_test.dart
@@ -403,11 +403,20 @@
negatable: true, help: 'show session statistics', defaultsTo: true)
..addOption('dart-top', help: 'explicit value for \$DART_TOP')
..addOption('mode1', help: 'execution mode 1')
- ..addOption('mode2', help: 'execution mode 2');
+ ..addOption('mode2', help: 'execution mode 2')
+ // Undocumented options for cluster runs.
+ ..addOption('shards',
+ help: 'number of shards used in cluster run', defaultsTo: '1')
+ ..addOption('shard', help: 'shard id in cluster run', defaultsTo: '1');
// Starts fuzz testing session.
try {
final results = parser.parse(arguments);
+ final shards = int.parse(results['shards']);
+ final shard = int.parse(results['shard']);
+ if (shards > 1) {
+ print('\nSHARD $shard OF $shards');
+ }
new DartFuzzTestSession(
int.parse(results['isolates']),
int.parse(results['repeat']),