Messages in this thread | | | Subject | Re: [QUESTION]perf stat: comment of miss ratio | From | John Garry <> | Date | Wed, 13 Nov 2019 10:45:54 +0000 |
| |
On 09/11/2019 02:47, Andi Kleen wrote: >> Relevant code is checked to make sure that the ratio is calculated by >> >> L1-dcache-load-misses/L1-dcache-loads, data "7.58%=30249/399189*100%" also >> >> proves this conclusion. >> >> So, I'm not sure why we use "of all L1-dcache hits" here to describe miss >> ratio, > > Yes you're right it should be "of all L1-dcache accesses" > > Please send a patch to fix the string and also check if this isn't wrong with some other > ratio too. >
" 399,189 L1-dcache-loads # 246.396 M/sec 30,249 L1-dcache-load-misses # 7.58% of all L1-dcache hits (18.04%)"
If accesses and loads are equivalent, could we use consistent terminology?
Thanks, John
| |