All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=633493

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZylgELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImhDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9CbG9nZ2VyX3JlZgwLEg1TdG9wcGFnZUFsZXJ0GMrrGAw,agxzfmNocm9tZXBlcmZyqgELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InxDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9Eb2NzICAoMSBvcGVuIGRvY3VtZW50IHRhYilfcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZykwELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImVDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9FU1BOX3JlZgwLEg1TdG9wcGFnZUFsZXJ0GMrrGAw,agxzfmNocm9tZXBlcmZylwELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImlDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9GYWNlYm9va19yZWYMCxINU3RvcHBhZ2VBbGVydBjK6xgM,agxzfmNocm9tZXBlcmZylwELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImlDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9MaW5rZWRJbl9yZWYMCxINU3RvcHBhZ2VBbGVydBjK6xgM,agxzfmNocm9tZXBlcmZymAELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImpDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9QaW50ZXJlc3RfcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZylgELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImhDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9Ud2l0dGVyX3JlZgwLEg1TdG9wcGFnZUFsZXJ0GMrrGAw,agxzfmNocm9tZXBlcmZymgELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImxDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9XZWF0aGVyLmNvbV9yZWYMCxINU3RvcHBhZ2VBbGVydBjK6xgM,agxzfmNocm9tZXBlcmZyoAELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InJDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9XaWtpcGVkaWEgKDEgdGFiKV9yZWYMCxINU3RvcHBhZ2VBbGVydBjK6xgM,agxzfmNocm9tZXBlcmZymAELEhNTdG9wcGFnZUFsZXJ0UGFyZW50ImpDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9Xb3JkcHJlc3NfcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZypwELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InlDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fYW5zd2Vycy55YWhvby5jb21fcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZyoQELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InNDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fYm9va2luZy5jb21fcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZypQELEhNTdG9wcGFnZUFsZXJ0UGFyZW50IndDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fZ2FtZXMueWFob28uY29tX3JlZgwLEg1TdG9wcGFnZUFsZXJ0GMrrGAw,agxzfmNocm9tZXBlcmZypAELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InZDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fbmV3cy55YWhvby5jb21fcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZypwELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InlDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fc3BvcnRzLnlhaG9vLmNvbV9fcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZypAELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InZDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fdGVjaGNydW5jaC5jb21fcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZypAELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InZDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fd3d3LmFtYXpvbi5jb21fcmVmDAsSDVN0b3BwYWdlQWxlcnQYyusYDA,agxzfmNocm9tZXBlcmZyogELEhNTdG9wcGFnZUFsZXJ0UGFyZW50InRDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fd3d3LmViYXkuY29tX3JlZgwLEg1TdG9wcGFnZUFsZXJ0GMrrGAw,agxzfmNocm9tZXBlcmZypQELEhNTdG9wcGFnZUFsZXJ0UGFyZW50IndDaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwX19fd3d3LnlvdXR1YmUuY29tX3JlZgwLEg1TdG9wcGFnZUFsZXJ0GMrrGAw,agxzfmNocm9tZXBlcmZyrAELEhNTdG9wcGFnZUFsZXJ0UGFyZW50In5DaHJvbWl1bVBlcmYvY2hyb21pdW0tcmVsLW1hYzEwL3Ntb290aG5lc3MudG9wXzI1X3Ntb290aC9maXJzdF9nZXN0dXJlX3Njcm9sbF91cGRhdGVfbGF0ZW5jeS9odHRwc19fX21haWwuZ29vZ2xlLmNvbV9tYWlsX19yZWYMCxINU3RvcHBhZ2VBbGVydBjK6xgM,agxzfmNocm9tZXBlcmZywwELEhNTdG9wcGFnZUFsZXJ0UGFyZW50IpQBQ2hyb21pdW1QZXJmL2Nocm9taXVtLXJlbC1tYWMxMC9zbW9vdGhuZXNzLnRvcF8yNV9zbW9vdGgvZmlyc3RfZ2VzdHVyZV9zY3JvbGxfdXBkYXRlX2xhdGVuY3kvaHR0cHNfX19wbHVzLmdvb2dsZS5jb21fMTEwMDMxNTM1MDIwMDUxNzc4OTg5X3Bvc3RzX3JlZgwLEg1TdG9wcGFnZUFsZXJ0GMrrGAw


Bot(s) for this bug's original alert(s):

chromium-rel-mac10

https://uberchromegw.corp.google.com/i/chromium.perf/builders/Mac%2010.10%20Perf%20%283%29/builds/3599

The results for the reference run seem to be empty.
smoothness.top_25_smooth.reference smoothness.top_25_smooth.reference
smoothness.top_25_smooth

Assigned to the test owner.

It seems happening even on mac11.

Closing this bug because there seem to be data coming in to all traces as of 9/9

CC'ing Ryan who is sheriff today and is looking into stoppages.