{"action":"opened","issue":{"url":"https://api.github.com/repos/lpw25/prof_spacetime/issues/4","repository_url":"https://api.github.com/repos/lpw25/prof_spacetime","labels_url":"https://api.github.com/repos/lpw25/prof_spacetime/issues/4/labels{/name}","comments_url":"https://api.github.com/repos/lpw25/prof_spacetime/issues/4/comments","events_url":"https://api.github.com/repos/lpw25/prof_spacetime/issues/4/events","html_url":"https://github.com/lpw25/prof_spacetime/issues/4","id":194780718,"number":4,"title":"Owee_buf.Invalid_format(\"No ELF magic number\") on macOS","user":{"login":"aantron","id":12073668,"avatar_url":"https://avatars.githubusercontent.com/u/12073668?v=3","gravatar_id":"","url":"https://api.github.com/users/aantron","html_url":"https://github.com/aantron","followers_url":"https://api.github.com/users/aantron/followers","following_url":"https://api.github.com/users/aantron/following{/other_user}","gists_url":"https://api.github.com/users/aantron/gists{/gist_id}","starred_url":"https://api.github.com/users/aantron/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aantron/subscriptions","organizations_url":"https://api.github.com/users/aantron/orgs","repos_url":"https://api.github.com/users/aantron/repos","events_url":"https://api.github.com/users/aantron/events{/privacy}","received_events_url":"https://api.github.com/users/aantron/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-10T17:25:59Z","updated_at":"2016-12-10T17:25:59Z","closed_at":null,"body":"This may be a known issue, but I am unable to use `prof_spacetime` on macOS.\r\n\r\n```sh\r\ntouch foo.ml             # empty file\r\nocamlfind opt -linkpkg foo.ml\r\nOCAML_SPACETIME_INTERVAL=100 ./a.out\r\nprof_spacetime process -e a.out spacetime-*\r\n```\r\n\r\nresults in\r\n\r\n```\r\nProcessing series...prof-spacetime: internal error, uncaught exception:\r\n                Owee_buf.Invalid_format(\"No ELF magic number\")\r\n                Raised at file \"owee_buf.ml\", line 12, characters 25-51\r\n                Called from file \"owee_elf.ml\", line 15, characters 4-40\r\n                Called from file \"owee_elf.ml\", line 136, characters 2-16\r\n                Called from file \"elf_locations.ml\", line 19, characters 26-47\r\n                Called from file \"spacetime_lib.ml\", line 727, characters 13-62\r\n                Called from file \"bin/main.ml\", line 45, characters 9-56\r\n                Called from file \"src/cmdliner.ml\", line 1350, characters 17-26\r\n                Called from file \"src/cmdliner.ml\", line 1390, characters 6-34\r\n```\r\n\r\nPresumably since `a.out` is not an ELF file. Not sure if this properly belongs to `prof_spacetime`, `spacetime_lib`, or `owee`."}}
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