{"action":"created","comment":{"url":"https://api.github.com/repos/uber/tchannel/pulls/comments/29982496","id":29982496,"diff_hunk":"@@ -110,6 +111,31 @@ TChannelRequest.prototype.hookupCallback = function hookupCallback(callback) {\n     function onError(err) {\n         if (called) return;\n         called = true;\n+\n+        if (err.isErrorFrame) {\n+            self.channel.emitStat(new Stat.Counter(\n+                'outbound.calls.systems-errors', 1, {\n+                    'target-service': self.serviceName,\n+                    'service': self.headers.cn,\n+                    // TODO should always be buffer\n+                    'target-endpoint': String(self.arg1),\n+                    'error-type': err.codeName","path":"node/request.js","position":20,"original_position":20,"commit_id":"6faac0d724cf7f9a9148995cc5941b3cb149c8be","original_commit_id":"6faac0d724cf7f9a9148995cc5941b3cb149c8be","user":{"login":"kriskowal","id":60294,"avatar_url":"https://avatars.githubusercontent.com/u/60294?v=3","gravatar_id":"","url":"https://api.github.com/users/kriskowal","html_url":"https://github.com/kriskowal","followers_url":"https://api.github.com/users/kriskowal/followers","following_url":"https://api.github.com/users/kriskowal/following{/other_user}","gists_url":"https://api.github.com/users/kriskowal/gists{/gist_id}","starred_url":"https://api.github.com/users/kriskowal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kriskowal/subscriptions","organizations_url":"https://api.github.com/users/kriskowal/orgs","repos_url":"https://api.github.com/users/kriskowal/repos","events_url":"https://api.github.com/users/kriskowal/events{/privacy}","received_events_url":"https://api.github.com/users/kriskowal/received_events","type":"User","site_admin":false},"body":"Recommending \"caller\", \"callee\", \"method\".\r\n\r\nThis would look like the following with StatEmitter:\r\n\r\n```\r\n// Channel\r\nself.outboundCallsSystemErrors = self.defineCounter('outbound.calls.system-errors')\r\n// Request\r\nself.channel.outboundCallsSystemErrors.increment(1, {…})\r\n```","created_at":"2015-05-08T22:37:11Z","updated_at":"2015-05-08T22:37:11Z","html_url":"https://github.com/uber/tchannel/pull/561#discussion_r29982496","pull_request_url":"https://api.github.com/repos/uber/tchannel/pulls/561","_links":{"self":{"href":"https://api.github.com/repos/uber/tchannel/pulls/comments/29982496"},"html":{"href":"https://github.com/uber/tchannel/pull/561#discussion_r29982496"},"pull_request":{"href":"https://api.github.com/repos/uber/tchannel/pulls/561"}}},"pull_request":{"url":"https://api.github.com/repos/uber/tchannel/pulls/561","id":35049523,"html_url":"https://github.com/uber/tchannel/pull/561","diff_url":"https://github.com/uber/tchannel/pull/561.diff","patch_url":"https://github.com/uber/tchannel/pull/561.patch","issue_url":"https://api.github.com/repos/uber/tchannel/issues/561","number":561,"state":"open","locked":false,"title":"Emit stats for outbound call requests","user":{"login":"Raynos","id":479538,"avatar_url":"https://avatars.githubusercontent.com/u/479538?v=3","gravatar_id":"","url":"https://api.github.com/users/Raynos","html_url":"https://github.com/Raynos","followers_url":"https://api.github.com/users/Raynos/followers","following_url":"https://api.github.com/users/Raynos/following{/other_user}","gists_url":"https://api.github.com/users/Raynos/gists{/gist_id}","starred_url":"https://api.github.com/users/Raynos/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Raynos/subscriptions","organizations_url":"https://api.github.com/users/Raynos/orgs","repos_url":"https://api.github.com/users/Raynos/repos","events_url":"https://api.github.com/users/Raynos/events{/privacy}","received_events_url":"https://api.github.com/users/Raynos/received_events","type":"User","site_admin":false},"body":"This is a first pass at emitting outbound call request\nstats. 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