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Christoph Lameter wrote: > On Tue, 5 Feb 2008, Pekka J Enberg wrote: > >> Hi Christoph, >> >> On Mon, 4 Feb 2008, Christoph Lameter wrote: >>> The statistics provided here allow the monitoring of allocator behavior >>> at the cost of some (minimal) loss of performance. Counters are placed in >>> SLUB's per cpu data structure that is already written to by other code. >> Looks good but I am wondering if we want to make the statistics per-CPU so >> that we can see the kmalloc/kfree ping-pong of, for example, hackbench > > We could do that.... Any idea how to display that kind of information > in a meaningful way. Parameter conventions for slabinfo? We could just print out one total summary and one summary for each CPU (and maybe show % of total allocations/fees. That way you can immediately spot if some CPUs are doing more allocations/freeing than others. Pekka | ||||||||||||
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