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6.12.y kernel. > While running performance benchmarks on v6.12.60 kernel the sequential > I/O vdbench metrics are showing a 5-6% performance regression when > compared to v6.12.48 > > Bisect root cause commit > ======================== > - commit b39b62075ab4 ("cpuidle: menu: Remove iowait influence") > > Things work fine again when the previously removed performance- > multiplier code is added back. > > Test details > ============ > The system is connected to a number of disks in disk array using > multipathing and directio configuration in the vdbench profile. > > wd=wd1,sd=sd*,rdpct=0,seekpct=sequential,xfersize=128k > rd=128k64T,wd=wd1,iorate=max,elapsed=600,interval=1,warmup=300,threads=64 > > > Thanks, > Alok > Just a gentle ping in case this was missed. Please let us know if we are missing anything or if there are additional things to consider. Thanks, Alok