{"action":"opened","issue":{"url":"https://api.github.com/repos/draios/sysdig/issues/601","repository_url":"https://api.github.com/repos/draios/sysdig","labels_url":"https://api.github.com/repos/draios/sysdig/issues/601/labels{/name}","comments_url":"https://api.github.com/repos/draios/sysdig/issues/601/comments","events_url":"https://api.github.com/repos/draios/sysdig/issues/601/events","html_url":"https://github.com/draios/sysdig/issues/601","id":157571484,"number":601,"title":"scallslower chisel: attempt to perform arithmetic on a nil value","user":{"login":"des4maisons","id":684904,"avatar_url":"https://avatars.githubusercontent.com/u/684904?v=3","gravatar_id":"","url":"https://api.github.com/users/des4maisons","html_url":"https://github.com/des4maisons","followers_url":"https://api.github.com/users/des4maisons/followers","following_url":"https://api.github.com/users/des4maisons/following{/other_user}","gists_url":"https://api.github.com/users/des4maisons/gists{/gist_id}","starred_url":"https://api.github.com/users/des4maisons/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/des4maisons/subscriptions","organizations_url":"https://api.github.com/users/des4maisons/orgs","repos_url":"https://api.github.com/users/des4maisons/repos","events_url":"https://api.github.com/users/des4maisons/events{/privacy}","received_events_url":"https://api.github.com/users/des4maisons/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-31T00:56:09Z","updated_at":"2016-05-31T00:56:09Z","closed_at":null,"body":"When I use the `scallslower` chisel, it inevitably dies quickly with the following error, sometimes after successfully printing a few lines:\r\n\r\n```\r\n$ sudo sysdig -c scallslower 100\r\nevt.datatime            proc.name               LATENCY(ms)          evt.type\r\n----------------------- ----------------------- -------------------- --------------------\r\nscallslower chisel error: [string \"--[[...\"]:117: attempt to perform arithmetic on a nil value\r\n$ sysdig --version\r\nsysdig version 0.9.0\r\n```"}}
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