On 08/26/2016 10:30 AM, Vineet Gupta wrote: > On 08/25/2016 04:49 AM, Alexey Brodkin wrote: >> ... >> [PERF_COUNT_ARC_EDTLB] = "edtlb", /* D-TLB Miss */ >> [PERF_COUNT_ARC_EITLB] = "eitlb", /* I-TLB Miss */ >> + >> + [PERF_COUNT_HW_CACHE_REFERENCES] = "imemrdc", /* Instr: mem read >> cached */ >> + [PERF_COUNT_HW_CACHE_MISSES] = "dclm", /* D-cache Load Miss */ > > I think this is duplicating a mistake we already have. I vaguely remember when > doing some hackbench profiling last year with range based profiling confined > to > memset routine and saw that L1-dcache-misses was counting zero. This is > because it > only counts LD misses while memset only does ST.
So given that this is the best we got, I'm going to merge this anyways. -Vineet > > Performance counter stats for '/sbin/hackbench': > > 0 L1-dcache-misses > 0 L1-dcache-load-misses > 1846082 L1-dcache-store-misses > > > @PeterZ do you concur that is wrong and we ought to setup 2 counters to do > this > correctly ? > > -Vineet > _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc
