power measurement

auto measure power 10 10
Measuring power
Samples: 10, Delay: 10ms

Average Data Start
                  AVG(Samples=10, Interval=10 ms)
| Index | Rail Name | Shunt voltage(uV) | Rail voltage(V) | Current(mA) | Power(mW) |
| 0 | vdd_core | 0.7187500000 | 0.0005078125 | 0.0359374993 | 0.0000341797 |
| 1 | soc_dvdd_1v8 | 66.9062500000 | 1.7975782156 | 0.6690624356 | 1.2027198076 |
| 2 | soc_dvdd_3v3 | 31.7500000000 | 3.3033788204 | 0.3175000250 | 1.0488400459 |
| 3 | vdda_1v8 | -0.5000000000 | 0.0016015625 | -0.0050000004 | 0.0000313721 |
| 4 | vdd_lpddr4_pmic2 | 39.9062500000 | 1.1040235758 | 0.9976562262 | 1.1014330387 |
| 5 | vdd_rtc | 46.4375000000 | 0.7510741949 | 0.0464375019 | 0.0348774530 |
| 6 | vdd_rtc_1v8 | 9.6250000000 | 1.7965037823 | 0.0096250009 | 0.0172900204 |
| --- | --- | --- | --- | --- | --- |
| Total | END | END | END | END | 3.41 |
=>

auto measure power 10 10
Measuring power
Samples: 10, Delay: 10ms

Average Data Start
                  AVG(Samples=10, Interval=10 ms)
| Index | Rail Name | Shunt voltage(uV) | Rail voltage(V) | Current(mA) | Power(mW) |
| 0 | vdd_core | 214.0625000000 | 0.7506250143 | 10.7031250000 | 8.0340766907 |
| 1 | soc_dvdd_1v8 | 60.6875000000 | 1.7967382669 | 0.6068748236 | 1.0903899670 |
| 2 | soc_dvdd_3v3 | 101.0937500000 | 3.2985157967 | 1.0109374523 | 3.3345997334 |
| 3 | vdda_1v8 | 98.5000000000 | 1.7987303734 | 0.9850000143 | 1.7717527151 |
| 4 | vdd_lpddr4_pmic2 | 38.3750000000 | 1.1001172066 | 0.9593750238 | 1.0554423332 |
| 5 | vdd_rtc | 45.4687500000 | 0.7507421970 | 0.0454687551 | 0.0341347121 |
| 6 | vdd_rtc_1v8 | 8.4687500000 | 1.7978320122 | 0.0084687499 | 0.0152259786 |
| --- | --- | --- | --- | --- | --- |
| Total | END | END | END | END | 15.34 |
=>

s2idle-mode-sel-proto-AM62L.txt

root@am62lxx-evm:/home/weston# trace-cmd record -e power:* rtcwake -s 10 -m mem
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Jan  1 00:02:53 1970
[  173.303964] Setting rtc alarm 
[  173.303991] PM: suspend entry (s2idle)
[  173.303960] Filesystems sync: 0.000 seconds
[  173.303991] Freezing user space processes
[  151.829191] Freezing user space processes completed (elapsed 0.001 seconds)
[  173.304005] OOM killer disabled.
[  173.303974] Freezing remaining freezable tasks
[  151.829209] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)
[  173.304009] Suspend rtc driver 
[  173.303937] Entering s2idle state 2, constraint = 16777215000
NOTICE:  Power state: 0x12333
NOTICE:  bl1_plat_arch_setup arch setup 
NOTICE:  Booting Trusted Firmware
NOTICE:  BL1: v2.12.0(release):11.00.15-4-g15d880364c98
NOTICE:  BL1: Built : 12:01:30, Jul 17 2025
INFO:    BL1: RAM 0x7080b000 - 0x7080f000
INFO:    lpddr4_init <-- 
INFO:    lpddr4 dtb: ctl-data ptr=0x7080618c, pi-data=0x70806834, phy-data=0x70806da4
NOTICE:  BL1: dram_class: 11
INFO:    memory node =0x28 
INFO:    lpddr4: probe done 
INFO:    lpddr4/ddr4: init done 
INFO:    start-status: offset =0x0 
INFO:    start-status reg: before =0x10460b00 
INFO:    Exiting RTC only + DDRINFO:    lpddr4: Start DDR controller 
INFO:    k3_lpddr4_freq_update DDR Freq change complete 
INFO:    lpddr4: start completed successfully status=0x0
INFO:    start-status reg: after =0x10460b01 
INFO:    LPDDR4 start completed !! 
NOTICE:  lpddr4: post start - PI training status=0x27c0a000 
INFO:    lpddr4: post start - CTL Interrupt status=0x1000000 
NOTICE:  bl1_platform_setup DDR init done
NOTICE:  k3_bl1_handoff sent message to tifs
ERROR:   Wake up src 0x0
ERROR:   Wake up interrupt 0x2
ERROR:   !!! GIC Fake IRQsERROR:   SANITY: active? 0ERROR:   SANITY: active 1? 0[  173.303962] 2.  PSCI: psci_cpu_suspend_enter, idle_once 
[  173.303962] 2.  PSCI out of idle: psci_cpu_suspend_enter
[  194.778733] resume rtc driver 
[  194.778790] OOM killer enabled.
[  194.778712] Restarting tasks ... done.
[  194.778725] random: crng reseeded on system resumption
[  194.778710] PM: suspend exit
CPU0 data recorded at offset=0x4fb000
    110592 bytes in size
root@am62lxx-evm:/home/weston# trace-cmd record -e power:* rtcwake -s 10 -m memroot@am62lxx-evm:/home/weston# echo 0xFFFFFF > /dev/system_wakeup_latency 
root@am62lxx-evm:/home/weston# echo 0xFFFFF > /dev/system_wakeup_latency
root@am62lxx-evm:/home/weston# trace-cmd record -e power:* rtcwake -s 10 -m mem
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Jan  1 00:04:38 1970
[  345.102666] Setting rtc alarm 
[  345.102645] PM: suspend entry (s2idle)
[  345.102642] Filesystems sync: 0.000 seconds
[  345.102575] Freezing user space processes
[  345.102589] Freezing user space processes completed (elapsed 0.001 seconds)
[  345.102587] OOM killer disabled.
[  345.102603] Freezing remaining freezable tasks
[  345.102632] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)
[  366.577399] Suspend rtc driver 
[  345.102655] Entering s2idle state 1, constraint = 1048575000
NOTICE:  Power state: 0x13333
ERROR:   Wake up src 0x80
ERROR:   Wake up interrupt 0x2
ERROR:   !!! GIC Fake IRQsERROR:   SANITY: active? 0ERROR:   SANITY: active 1? 0[  345.102593] 2.  PSCI: psci_cpu_suspend_enter, idle_once 
[  345.102593] 2.  PSCI out of idle: psci_cpu_suspend_enter
[  345.102669] resume rtc driver 
[  345.102671] OOM killer enabled.
[  345.102666] Restarting tasks ... done.
[  345.102646] random: crng reseeded on system resumption
[  345.102614] PM: suspend exit
CPU0 data recorded at offset=0x4fb000
    110592 bytes in size
root@am62lxx-evm:/home/weston# 
root@am62lxx-evm:/home/weston#