Hi Peter, On Thu, Jul 17, 2014 at 5:26 PM, Peter Zijlstra <[email protected]> wrote: > On Thu, Jul 17, 2014 at 05:21:06PM +0900, Namhyung Kim wrote: >> When perf stat runs multiple times via -r option, it's sometimes >> useful for a workload to know which run it executing. So pass new >> PERF_STAT_RUN environment variable to the workload for each run >> (starting from 1). > > This seems counter intuitive, runs should be _identical_ otherwise > there's no point. That means the workload should very much _not_ know > these things.
But I think it can be useful if a workload wants to save logfiles based on the iteration number for example. If it doesn't want, it can just ignore. :) Thanks, Namhyung -- 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/
