On Mon, Dec 07, 2009 at 03:41:10PM -0200, Emiliano Pastorino wrote:
Please state exactly what SD card you're using if you publish your results. There seem to be quite some differences in behaviour even among a single product line.We're testing how much performance you gain by swapping to an sd card.
Compilation in general (e.g. Linux kernel or sugar-jhbuild) seems to be quite stressful to SD cards and often consumes a lot of memory, so might be a good benchmark.Does anyone come out with a possible test?
Also, we need to write and erase data as fast as possible to measure thelifetime of the SD card.
If you're just talking about writing to the SD card locations where the swap space is located, maybe SysBench [1] with suitable parameters [2] might be useful. There are probably similar benchmarks for VM (Virtual Memory) in case you want to test the actual swapping performance.Is there any tool or a way to write random data to the swap space?
[1] http://sysbench.sourceforge.net/ [2] http://sysbench.sourceforge.net/docs/#fileio_mode CU Sascha -- http://sascha.silbe.org/ http://www.infra-silbe.de/
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