[Vm-dev] [Pharo-dev] Problem with OSSubprocess / signals / heartbeat ?

Holger Freyther holger at freyther.de
Sun Apr 2 17:21:36 UTC 2017


> On 2. Apr 2017, at 19:13, Petr Fischer <petr.fischer at me.com> wrote:
> 
> 
>> On Sun, Apr 2, 2017 at 3:11 AM, Petr Fischer <petr.fischer at me.com> wrote:

I don't find Ben's original mail.. so let me reply here.


> Output from your test C program (my laptop was cca 30% loaded with other processes [sha256 summing + disk IO] during test runs):


On FreeBSD you want to use cpuset to bind the pharo-vm to a specific CPU core and on Linux you can do that with taskset. This way the heartbeat thread and Smalltalk execution will always compete for the same core.

holger


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