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android 跟踪窗口转换利器

(1) P 及 P之前 用systrace.py或者atraceatrace -b 20000 sched freq idle gfx view am wm -t 10 -o /data/a.traceframeworks/native/services/surfaceflinger/surfaceflinger.rcservice surfaceflinger /system/bin/surfaceflinger class core animation user syste...

可参考原生atrace service修改：/system/etc/init/atrace.rcon property:persist.debug.atrace.boottrace=1 start boottrace# Run atrace with the categories written in a file#service boottrace /system/bin/atrace --async_start -f /data/misc/boottrace/categories...

连续抓几次的systrace,每次queueBuffer都有被acquire，看不出还是得加debug log，顺流程queueBuffer之后会触发SurfaceFlinger::handleMessageInvalidate -> handlePageFlip -> latchBuffer -> latchSidebandStream 返回true，直接return，导致没有执行到updateTexImage(预期这里...