On Thu, 10 May 2007, Andi Kleen wrote: > Davide Libenzi <[EMAIL PROTECTED]> writes: > > > This patch serie introduces a way to log high frequency/volume data > > out of the kernel. Logging scheduler operations for example, with > > loads that generate tenths of thousands of context switches per second > > (possibly from multiple CPUs), can overload the kernel printk. Also, > > logging in binary form helps in reducing the size of the logged data > > that is tranfered from kernel to userspace. The kmon logger uses per > > CPU buffers (rings) that are flushed at a given frequency to all the > > instances of the kmon devices. > > Sounds like you reinvented relayfs? (and ktrace before that)
I simply didn't know about relayfs ;) Randy told me when I posted those, that BTW were never intended for merging. The buffering method used is more similar to oprofile though. - Davide - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
