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
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 sooner :(
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
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
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
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
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