TV UI foundation

tools/tv/framestats.py

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+#!/usr/bin/env python3
+# Разбивка времени кадра по фазам из `adb shell dumpsys gfxinfo <пакет> framestats` (stdin), см. ui_bench в env.sh.
+import sys, statistics as st
+lines=sys.stdin.read().splitlines()
+hdr=None; rows=[]
+for l in lines:
+    if l.startswith('Flags,'): hdr=l.strip().strip(',').split(','); continue
+    if hdr and l and l[0].isdigit():
+        v=l.strip().strip(',').split(',')
+        if len(v)>=len(hdr): rows.append(dict(zip(hdr,map(int,v[:len(hdr)]))))
+    if l.startswith('---PROFILEDATA---') and rows: pass
+rows=[r for r in rows if r['Flags']==0]
+def ms(a,b): return [(r[b]-r[a])/1e6 for r in rows if r[a]>0 and r[b]>0]
+def p(x): 
+    x=sorted(x); return f"p50 {x[len(x)//2]:.1f} p90 {x[int(len(x)*.9)]:.1f} max {x[-1]:.1f}" if x else "-"
+print("frames",len(rows))
+print("total      ", p(ms('IntendedVsync','FrameCompleted')))
+print("input+anim ", p(ms('HandleInputStart','PerformTraversalsStart')))
+print("traversal  ", p(ms('PerformTraversalsStart','DrawStart')))
+print("record draw", p(ms('DrawStart','SyncQueued')))
+print("sync       ", p(ms('SyncStart','IssueDrawCommandsStart')))
+print("issue cmds ", p(ms('IssueDrawCommandsStart','SwapBuffers')))
+print("swap       ", p(ms('SwapBuffers','FrameCompleted')))
+if 'GpuCompleted' in hdr: print("gpu        ", p(ms('IssueDrawCommandsStart','GpuCompleted')))