同步移动端工程、设备控制改进与发布资料

移动端相关内容/安卓app/如何安卓测试/sample_mobile_performance.py

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+"""Read-only numeric performance samples; no device identity or WiFi payloads."""
+import argparse
+import json
+from pathlib import Path
+import shlex
+from remote_support import connect, execute
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--seconds', type=int, default=120)
+    parser.add_argument('--output', type=Path, required=True)
+    args = parser.parse_args()
+    if not 5 <= args.seconds <= 600:
+        parser.error('seconds must be 5..600')
+    if args.output.exists():
+        parser.error('output already exists; do not overwrite evidence')
+    script = r'''
+import json,time,urllib.request
+rows=[]
+start=time.monotonic()
+while time.monotonic()-start < DURATION:
+    with urllib.request.urlopen('http://127.0.0.1:8080/api/status',timeout=5) as response:
+        s=json.load(response)
+    d=s['screen']['driver_status'];r=s['resources']
+    rows.append(dict(elapsed_seconds=round(time.monotonic()-start,3),
+      connected=s['mobile']['connected'],animation_active=s['state']['animation_active'],
+      refresh_hz=d['actual_refresh_rate_hz'],frames=d['completed_frames'],
+      deadline_misses=d['deadline_misses'],oe_faults=d['oe_pulse_faults'],
+      driver_error_present=bool(d['last_error'] or d['oe_timing_error']),
+      cpu_application_percent=r['cpu']['application_percent'],
+      memory_application_bytes=r['memory']['application_bytes']))
+    time.sleep(1)
+print(json.dumps(rows))
+'''.replace('DURATION', str(args.seconds))
+    client, fields = connect()
+    try:
+        code, output, _ = execute(client, 'python3 -c ' + shlex.quote(script), timeout=args.seconds + 20)
+        if code:
+            raise RuntimeError('Performance collection failed; raw output withheld')
+        rows = json.loads(output)
+        args.output.parent.mkdir(parents=True, exist_ok=True)
+        with args.output.open('x', encoding='utf-8') as stream:
+            json.dump(rows, stream, ensure_ascii=False, indent=2)
+            stream.write('\n')
+        print(json.dumps(dict(samples=len(rows),connected_samples=sum(r['connected'] for r in rows),
+            deadline_misses_delta=rows[-1]['deadline_misses']-rows[0]['deadline_misses'],
+            oe_faults_delta=rows[-1]['oe_faults']-rows[0]['oe_faults'],
+            min_refresh_hz=min(r['refresh_hz'] for r in rows),
+            driver_error_seen=any(r['driver_error_present'] for r in rows))))
+    finally:
+        client.close()
+
+
+if __name__ == '__main__':
+    main()