linux-kernel-owner@xxxxxxxxxxxxxxx wrote on 12/07/2008 05:22:12 PM: [snip] > > The other big change is the support of virtual task counters via counter > scheduling: a task can specify more counters than there are on the CPU, > the kernel will then schedule the counters periodically to spread out hw > resources. So for example if a task starts 6 counters on a CPU that has > only two hardware counters, it still gets this output: > > counter[0 cycles ]: 5204680573 , delta: 1733680843 events > counter[1 instructions ]: 1364468045 , delta: 454818351 events > counter[2 cache-refs ]: 12732 , delta: 4399 events > counter[3 cache-misses ]: 1009 , delta: 336 events > counter[4 branch-instructions ]: 125993304 , delta: 42006998 events > counter[5 branch-misses ]: 1946 , delta: 649 events > Hello Ingo, I posted some questions about this capability in your proposal on LKML, but I wasn't able to get the reply threaded in properly. Could you take a look at this post, please? http://lkml.org/lkml/2008/12/5/299 Thanks for your consideration, - Corey Corey Ashford Software Engineer IBM Linux Technology Center, Linux Toolchain Beaverton, OR 503-578-3507 cjashfor@xxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html