（dayu200）rk3568 5.1.0 release版本，无法使用bootchart
weixin_42358198 2025-05-08 19:39:00 
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环境：DAYU200
系统：OpenHarmony 5.1.0 release
通过zh-cn/release-notes/OpenHarmony-v5.1.0-release.md · OpenHarmony/docs - Gitee.com自己拉取编译或者使用release的镜像
hdc进入系统后执行下面命令
begetctl bootchart enable
begetctl bootchart start
reboot
begetctl bootchart stop
begetctl bootchart disable在/data/service/el0/startup/init/目录下并没有文件生成
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按照下面步骤可以，要在系统重启后再执行begetctl bootchart start
begetctl bootchart enable
reboot
begetctl bootchart start
begetctl bootchart stop
begetctl bootchart disable
在/data/service/el0/startup/init/目录下执行命令：tar -czf bootchart.tgz * # 打包
hdc file recv /data/service/el0/startup/init/bootchart.tgz ./ #导出
生成开机性能图片 java -jar bootchart.jar bootchart.tgz
1
2025-05-09 09:38:24
按照如下步骤，有用请点击采纳，谢谢
hdc shell
param set const.security.developermode.state true
param set persist.hdc.root 1
2. begetctl bootchart enable
3. reboot 或者断电重启
4. begetctl bootchart stop
5. begetctl bootchart disable
6. 进入到/data/service/el0/startup/init/文件夹下查看是否有如下文件：
header、proc_diskstats.log、proc_ps.log、proc_stat.log
7. 在/data/service/el0/startup/init/目录下执行命令：tar -czf bootchart.tgz * # 打包
8. hdc_std file recv /data/service/el0/startup/init/bootchart.tgz ./ #导出
9. 生成开机性能图片 java -jar bootchart.jar bootchart.tgz2025-05-08 20:19:50
还是没有文件生成 # param set const.security.developermode.state true Set parameter const.security.developermode.state true fail! errNum is:107! # param get | grep "security" const.security.developermode.state = true const.ohos.version.security_patch = 2025/04/01 startup.service.ctl.security_guard = 2 startup.service.ctl.security_guard.pid = 534 security.perf_harden = 1 # param set persist.hdc.root 1 Set parameter persist.hdc.root 1 success
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