Re: [BUG] perf failed on multi-cpus system with multi-eventsspecified

[Peter Zijlstra]

On Wed, 2011-03-02 at 11:58 +0800, Han Pingtian wrote:
>   Error: sys_perf_event_open() syscall returned with -1 (Too many open
> files).  /bin/dmesg may provide additional information.

Well, you tried to use 42 events (quick count), we need to open a fd for
each cpu for each event, which results in 1008 fds, which together with
some actual file handles might have tickled your fd limit.

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