查看CPU频率实时运行情况:
/sys/devices/system/cpu/cpufreq
all_time_in_state
root@x1:/sys/devices/system/cpu/cpufreq # cat all_time_in_state
freq cpu0 cpu1 cpu2 cpu3 cpu4 cpu5 cpu6 cpu7
216000 1721 1721 1721 1721 49511 49511 49511 49511
312000 971 971 971 971 4484 4484 4484 4484
408000 1347 1347 1347 1347 1992 1992 1992 1992
600000 12634 12634 12634 12634 76367 76367 76367 76367
696000 8952 8952 8952 8952 1957 1957 1957 1957
816000 27567 27567 27567 27567 24661 24661 24661 24661
1008000 130097 130097 130097 130097 8202 8202 8202 8202
1200000 N/A N/A N/A N/A 12071 12071 12071 12071
1296000 N/A N/A N/A N/A 4044 4044 4044 4044
root@x1:/d/clk # pwd -P
/sys/kernel/debug/clk
clk_summary
root@x1:/ # ls -al d
lrwxrwxrwx root root 2017-08-18 08:00 d -> /sys/kernel/debug
root@x1:/d/clk # ls
clk_dump
clk_summary
clkin_hsadc_tsp
dummy
gmac_clkin
i2s_clkin
jtag_clkin
orphans
pclkin_isp
pclkin_vip
pvtm_clkout
xin24m
xin32k
dvfs:
root@x1:/sys/dvfs # ls
cpu_temp_enable
cpu_temp_target
dvfs_tree
root@x1:/sys/dvfs # cat cpu_temp_enable
cpu_b:1
cpu_l:1
root@x1:/sys/dvfs # cat cp
cpu_temp_enable cpu_temp_target
root@x1:/sys/dvfs # cat cpu_temp_target
cpu_b:80
cpu_l:80
root@x1:/sys/dvfs # cat dvfs_tree // 结果会在串口打印出来
查看CPU频率实时运行情况:
/sys/devices/system/cpu/cpufreq
all_time_in_state
root@x1:/sys/devices/system/cpu/cpufreq # cat all_time_in_state
freq cpu0 cpu1 cpu2 cpu3 cpu4 cpu5 cpu6 cpu7
216000 1721 1721 1721 1721 49511 49511 49511 49511
312000 971 971 971 971 4484 4484 4484 4484
408000 1347 1347 1347 1347 1992 1992 1992 1992
600000 12634 12634 12634 12634 76367 76367 76367 76367
696000 8952 8952 8952 8952 1957 1957 1957 1957
816000 27567 27567 27567 27567 24661 24661 24661 24661
1008000 130097 130097 130097 130097 8202 8202 8202 8202
1200000 N/A N/A N/A N/A 12071 12071 12071 12071
1296000 N/A N/A N/A N/A 4044 4044 4044 4044
root@x1:/d/clk # pwd -P
/sys/kernel/debug/clk
clk_summary
root@x1:/ # ls -al d
lrwxrwxrwx root root 2017-08-18 08:00 d -> /sys/kernel/debug
root@x1:/d/clk # ls
clk_dump
clk_summary
clkin_hsadc_tsp
dummy
gmac_clkin
i2s_clkin
jtag_clkin
orphans
pclkin_isp
pclkin_vip
pvtm_clkout
xin24m
xin32k
dvfs:
root@x1:/sys/dvfs # ls
cpu_temp_enable
cpu_temp_target
dvfs_tree
root@x1:/sys/dvfs # cat cpu_temp_enable
cpu_b:1
cpu_l:1
root@x1:/sys/dvfs # cat cp
cpu_temp_enable cpu_temp_target
root@x1:/sys/dvfs # cat cpu_temp_target
cpu_b:80
cpu_l:80
root@x1:/sys/dvfs # cat dvfs_tree // 结果会在串口打印出来
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