Add note about pinning and NUMA-ness.

Signed-off-by: Rok Strniša <[email protected]>
perf101 · Aug 13, 2012 · a2ccd0b · a2ccd0b
1 parent 85cbebf
commit a2ccd0b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -23,6 +23,10 @@ usage instructions, type `./exclusive-pin.sh -h`.
     xl vcpu-pin 17 3 4-23
     $ ./exclusive-pin.sh
 
+Note that runtime pinning of VCPUs does currently not also move VMs' memory
+regions. This means that performance might be slower than expected on NUMA
+hosts.
+
 ### The `multi-iperf.sh` script
 
 [`multi-iperf.sh`](https://github.com/perf101/scripts/blob/master/multi-iperf.sh)