i was saying i have arm_freq_min=1000 set and it works fine.
Code:
root@raspberrypi:~# echo userspace > /sys/devices/system/cpu/cpufreq/policy0/scaling_governorroot@raspberrypi:~# echo > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed 1000000root@raspberrypi:~# echo linux=$(( $(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq) / 1000 ))mhz gencmd=$(vcgencmd measure_clock arm) $(openssl speed -bytes 32 md5 2>&1 | tail -n1)linux=1000mhz gencmd=frequency(0)=1000002176 md5 31999.57kroot@raspberrypi:~# echo > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed 1100000root@raspberrypi:~# echo linux=$(( $(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq) / 1000 ))mhz gencmd=$(vcgencmd measure_clock arm) $(openssl speed -bytes 32 md5 2>&1 | tail -n1)linux=1100mhz gencmd=frequency(0)=1100002816 md5 35875.39kroot@raspberrypi:~# echo > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed 1200000root@raspberrypi:~# echo linux=$(( $(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq) / 1000 ))mhz gencmd=$(vcgencmd measure_clock arm) $(openssl speed -bytes 32 md5 2>&1 | tail -n1)linux=1200mhz gencmd=frequency(0)=1200003328 md5 37774.82kroot@raspberrypi:~# echo > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed 1300000root@raspberrypi:~# echo linux=$(( $(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq) / 1000 ))mhz gencmd=$(vcgencmd measure_clock arm) $(openssl speed -bytes 32 md5 2>&1 | tail -n1)linux=1300mhz gencmd=frequency(0)=1300003200 md5 41832.34ki swear that 2 weeks ago, gencmd refused to go below 1.5ghz
but now it is respecting what linux asked, and performance does actually vary!
which implies 1ghz is possible now
last time i checked this, the firmware just ignored you and bottomed out at 1.5ghz
Statistics: Posted by cleverca22 — Tue Jan 30, 2024 10:19 am