{"action":"created","issue":{"url":"https://api.github.com/repos/mozilla/rr/issues/1642","repository_url":"https://api.github.com/repos/mozilla/rr","labels_url":"https://api.github.com/repos/mozilla/rr/issues/1642/labels{/name}","comments_url":"https://api.github.com/repos/mozilla/rr/issues/1642/comments","events_url":"https://api.github.com/repos/mozilla/rr/issues/1642/events","html_url":"https://github.com/mozilla/rr/issues/1642","id":133114322,"number":1642,"title":"Intel Silvermont support","user":{"login":"zumbi","id":249989,"avatar_url":"https://avatars.githubusercontent.com/u/249989?v=3","gravatar_id":"","url":"https://api.github.com/users/zumbi","html_url":"https://github.com/zumbi","followers_url":"https://api.github.com/users/zumbi/followers","following_url":"https://api.github.com/users/zumbi/following{/other_user}","gists_url":"https://api.github.com/users/zumbi/gists{/gist_id}","starred_url":"https://api.github.com/users/zumbi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zumbi/subscriptions","organizations_url":"https://api.github.com/users/zumbi/orgs","repos_url":"https://api.github.com/users/zumbi/repos","events_url":"https://api.github.com/users/zumbi/events{/privacy}","received_events_url":"https://api.github.com/users/zumbi/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-02-11T23:22:31Z","updated_at":"2016-02-12T01:09:10Z","closed_at":null,"body":"Trying to run rr on a Silvermont CPU currently throws this error:\r\n\r\n[FATAL /usr/src/packages/BUILD/rr-4.0.3/src/PerfCounters.cc:129:get_cpu_microarch() errno: 0 'Success'] \r\n -> CPU 0x30670 unknown.\r\n\r\nI have looked the manual posted in issue#1607 but I have no clue if the PMU config values are safe to try out as is. Any hint on that regard would be welcome. I am happy to test it here."},"comment":{"url":"https://api.github.com/repos/mozilla/rr/issues/comments/183138010","html_url":"https://github.com/mozilla/rr/issues/1642#issuecomment-183138010","issue_url":"https://api.github.com/repos/mozilla/rr/issues/1642","id":183138010,"user":{"login":"rocallahan","id":296135,"avatar_url":"https://avatars.githubusercontent.com/u/296135?v=3","gravatar_id":"","url":"https://api.github.com/users/rocallahan","html_url":"https://github.com/rocallahan","followers_url":"https://api.github.com/users/rocallahan/followers","following_url":"https://api.github.com/users/rocallahan/following{/other_user}","gists_url":"https://api.github.com/users/rocallahan/gists{/gist_id}","starred_url":"https://api.github.com/users/rocallahan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rocallahan/subscriptions","organizations_url":"https://api.github.com/users/rocallahan/orgs","repos_url":"https://api.github.com/users/rocallahan/repos","events_url":"https://api.github.com/users/rocallahan/events{/privacy}","received_events_url":"https://api.github.com/users/rocallahan/received_events","type":"User","site_admin":false},"created_at":"2016-02-12T01:09:10Z","updated_at":"2016-02-12T01:09:10Z","body":"According to http://web.eece.maine.edu/~vweaver/projects/deterministic/deterministic_counters.pdf Atom does not support any deterministic performance counters. You could try using \"retired branch instructions\" with code 0x5100c4 but I doubt it will work reliably."}}