Android性能分析工具
https://developer.android.google.cn/studio/releases/platform-tools?hl=zh-cn
解压后直接使用
获取systrace日志并转换为html
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| #!/bin/bash
ip="127.0.0.1"
port="5555"
TRACE_BUFFER_SZ_KB=16384 #16MB
TRACE_FILE="/data/local/tmp/trace_$port.log"
adb disconnect
adb connect $ip:$port
adb root
sleep 1
# adb shell atrace --list_categories
tracedump=$(echo `adb shell atrace --list_categories | awk '{print $1}'` | sed 's/\n//g')
adb shell "atrace -b $TRACE_BUFFER_SZ_KB -t 30 -z $tracedump > $TRACE_FILE"
adb pull $TRACE_FILE
python platform-tools/systrace/systrace.py -b $TRACE_BUFFER_SZ_KB --from-file trace_$port.log -o trace_$port.html
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查看trace文件的快捷键
使用Systrace 检测卡顿丢帧问题
- Systrace报告列出了每个进程呈现UI frame，并显示沿着时间线的每个渲染帧。 在
绿色框架圆圈中，是指在16.6ms内呈现每秒稳定60帧， 花费16.6ms以上渲染的帧用黄色或红色圆圈表示。
错误
ImportError: No module named six
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| sudo apt install python-six
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权限问题
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| error opening /sys/kernel/debug/tracing/options/overwrite: Permission denied (13)
error opening /sys/kernel/debug/tracing/buffer_size_kb: Permission denied (13)
error opening /sys/kernel/debug/tracing/trace_clock: Permission denied (13)
error opening /sys/kernel/debug/tracing/tracing_on: Permission denied (13)
error opening /sys/kernel/debug/tracing/tracing_on: Permission denied (13)
unable to start tracing
error opening /sys/kernel/debug/tracing/options/overwrite: Permission denied (13)
error opening /sys/kernel/debug/tracing/buffer_size_kb: Permission denied (13)
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通过adb root获取权限
参考