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kernel coder wrote: > hi, > I'm trying to add some code to netif_receive_skb function in > dev.c file . The cycles consumed by that code was around 16 cycles on > Dual Core Opetron machine.I'm working on that code for last 6 months > now and the consumed cycles have always been around 16 cycles .I don't > touch any other part of kernel . > > But for last 4 days the consumed cycles have suddenly increased to > around 35 cycles . I'm using RDTSC instruction to profile the > code.There is no change in code and the kernel version is also the > same .I am assuming that there must be something wrong with hardware. .. A cache miss ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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