On Fri, 17 Apr 2015, Andy Lutomirski wrote:
> On 04/16/2015 11:20 AM, Vince Weaver wrote:
> > Probably a better change would have been to add "2" to mean per-process
> > and make that the default setting. Probably too late to fix that now.
>
> Good point. I wish you'd thought of that soo
On 04/16/2015 11:20 AM, Vince Weaver wrote:
The rdpmc instruction allows reading performance counters directly
from usersapce. Prior to Linux 4.0 any process could use this
instruction when a perf event was running, even if the process itself
did not have any open. The following changesets c
The rdpmc instruction allows reading performance counters directly
from usersapce. Prior to Linux 4.0 any process could use this
instruction when a perf event was running, even if the process itself
did not have any open. The following changesets changed the default
behavior so that only process
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