Messages in this thread | | | Date | Tue, 8 Mar 2016 17:30:45 +0100 | From | Peter Zijlstra <> | Subject | Re: [RESEND PATCH 0/5] perf core: Support overwrite ring buffer |
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On Tue, Mar 08, 2016 at 05:27:03PM +0100, Ingo Molnar wrote: > > > triton:~/go/src/github.com/google/syzkaller> cat perf.cfg > > > { > > > "http": "localhost:50000", > > > "workdir": "/home/mingo/go/src/github.com/google/syzkaller/workdir", > > > "syzkaller": "/home/mingo/go/src/github.com/google/syzkaller", > > > "vmlinux": "-", > > > "type": "local", > > > "count": 1, > > > "procs": 16, > > > "nocover": true,
this^^^
> I now get periodic output of: > > fomalhaut:~/go/src/github.com/google/syzkaller> bin/syz-manager -config src/github.com/google/syzkaller/perf.cfg > 2016/03/08 17:24:07 failed to read config file: open src/github.com/google/syzkaller/perf.cfg: no such file or directory > fomalhaut:~/go/src/github.com/google/syzkaller> bin/syz-manager -config perf.cfg > 2016/03/08 17:24:19 loading corpus... > 2016/03/08 17:24:19 loaded 0 programs > 2016/03/08 17:24:19 serving http on http://localhost:50000 > 2016/03/08 17:24:19 serving rpc on tcp://127.0.0.1:37006 > 2016/03/08 17:24:34 local-0: saving crash 'BUG: /sys/kernel/debug/kcov is missing (permission denied). Enable CONFIG_KCOV and mount debugfs.' to crash-local-0-1457454274467286949 > 2016/03/08 17:24:34 local-0: lost connection: exit status 1
> is CONFIG_KCOV=y a must-have feature? There's no KCOV support upstream that I can > see.
Should have disabled that.
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