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| author | Thomas Schwinge <thomas@codesourcery.com> | 2014-07-25 15:19:54 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2014-07-25 15:19:54 +0200 |
| commit | d583f0f96691a3edcddef92a6066ee9f191610d1 (patch) | |
| tree | e1e7b53f39cc25f35856110d1254629184e8de08 /open_issues/performance.mdwn | |
| parent | cb188c368b2dc6e9c7e91e29636061f4d781ac2b (diff) | |
| download | web-d583f0f96691a3edcddef92a6066ee9f191610d1.tar.gz web-d583f0f96691a3edcddef92a6066ee9f191610d1.tar.bz2 web-d583f0f96691a3edcddef92a6066ee9f191610d1.zip | |
open_issues/performance: Configuration required for huge pages and CPU sets.
Diffstat (limited to 'open_issues/performance.mdwn')
| -rw-r--r-- | open_issues/performance.mdwn | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/open_issues/performance.mdwn b/open_issues/performance.mdwn index 64b245f2..ab08dd11 100644 --- a/open_issues/performance.mdwn +++ b/open_issues/performance.mdwn @@ -241,13 +241,26 @@ call|/glibc/fork]]'s case. <teythoon> i especially like how general it is -# Measurement +# <a name="measure">Measure</a> + +On some pages, we're filing information about performace measurements. + + +## kepler.SCHWINGE + +Debian GNU/Linux, x86. Running as a Xen domU, the system is not reserved +exclusively for measurement purposes, so it's a best-effort service. + + +## laplace.SCHWINGE + +Debian GNU/Hurd, x86. Running as a QEMU/KVM instance, the system is not +reserved exclusively for measurement purposes, so it's a best-effort service. -## coulomb ### [[!message-id "87wqghouoc.fsf@schwinge.name"]] -## IRC, freenode, #hurd, 2014-02-27 +### IRC, freenode, #hurd, 2014-02-27 <braunr> tschwinge: about your concern with regard to performance measurements, you could run kvm with hugetlbfs and cpuset @@ -257,4 +270,10 @@ call|/glibc/fork]]'s case. <braunr> hugetlbs reduces the overhead of page faults, and also implies locked memory while cpuset isolates the vm from global scheduling <braunr> hugetlbfs* - <tschwinge> Thanks, will look into that. + + +### 2014-07-25, tschwinge + +Support for [huge pages](https://wiki.debian.org/Hugepages) as well as [CPU +sets](https://code.google.com/p/cpuset/) requires special setup; not doing that +at the moment. |