Em Fri, Aug 23, 2013 at 04:21:00PM +0530, Ritesh Harjani escreveu: > Hi folks, > > I have some following queries on perf: > > 1. how does perf collect L1/L2 cache events on various architectures?
PMU counters. > 2. My question might be specific to ARM architecture as well, does perf > collects the stats of cache events based on PMU counter in ARM processor ? yes > If no, could some one please tell, how does perf collects this data ? > > 3. And how about rest of the architectures ? PMU counters. Look at arch/ > 4. Also, If possible could someone please guide to that piece of code( > where cache events stats are collected ) in tools/perf/ ? Start at arch/arm, I hadn't looked, but did a quick scan now with: [acme@zoo linux]$ find arch/arm/ -name "*perf*" - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
