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Xavier CPU & GPU 高负载功耗测试
2022-07-05 06:28:00 【恩来贺】
1.开启最高性能
sudo nvpmodel -m 0
附几种工作模式:
0: MAXN
1: MODE 10W
2: MODE 15W
3: MODE 30W ALL
4: MODE 30W 6CORE
5: MODE 30W 4CORE
6: MODE 30W 2CORE
7: MODE 15W DESKTOP
2.开启最大频率
sudo jetson_clock
开启后,可以使用sudo jetson_clocks --show 命令查看当前的cpu,gpu 频率
cpu测试全速测试:
apt install stress
stress -c 8 8代表8个cpu
使用tegrastats 命令查看当前运行状态:
cpu全开后,功耗为19W左右
开启GPU的测试
#开N个该程序,使GPU跑满为止
[email protected]:~$ cd ~/VisionWorks-SFM-0.90-Samples/bin/aarch64/linux/release
[email protected]:~$ ./nvx_sample_sfm
为了使GPU跑满,我开了4个测试终端
cpu 和gpu 全速运行时,功耗为32W左右,
风扇的pwm 设置为 200 命令为 echo 200 >/sys/devices/pwm-fan/target_pwm
测试20分钟左右,xavier 的温度保持在43度左右。
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