* Manfred Gruber <m.gruber@xxxxxxxxx> wrote: > hi ! > > I use a arm4vt ep93xx processor with 2.6.21.5-rt18. > When i run cyclictest with -i 10000 and -n -p 90 -b 1000 i see some strange > latencies in poison_obj. disable SLAB_DEBUG. And look into your 'dmesg' output, the -rt kernel will warn about any other kernel config options as well that are known to cause large latencies: VFS: Mounted root (ext3 filesystem) readonly. ***************************************************************************** * * * REMINDER, the following debugging option is turned on in your .config: * * * * CONFIG_SLAB * * * * it may increase runtime overhead and latencies. * * * ***************************************************************************** Freeing unused kernel memory: 324k freed Ingo - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
