106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
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#!/usr/bin/env python3
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"""0.25ms 下 A/B：静默 vs 模拟 spi_test 前端轮询。"""
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import json, time, urllib.request, os
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ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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LAB = os.path.join(ROOT, "lab", "skip_meter")
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def post(p, b=None, timeout=5):
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d = json.dumps(b or {}).encode()
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r = urllib.request.Request("http://127.0.0.1:8090"+p, data=d, headers={"Content-Type":"application/json"})
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with urllib.request.urlopen(r, timeout=timeout) as resp:
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return json.loads(resp.read().decode())
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def snap():
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st = post("/api/motor/state")
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dbg = post("/api/motor/dbg")
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return {
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"cycles": st.get("cycles") or 0,
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"skip_total": dbg.get("skip_total") or 0,
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"gseq": (st.get("head") or {}).get("global_seq") or 0,
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"period": st.get("period_ms"),
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"wkc": st.get("wkc"),
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"pcore": st.get("pcore_mask"),
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"cyc_us": st.get("cyc_us"),
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}
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def rate(a, b, dt):
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dc = b["cycles"] - a["cycles"]
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ds = (b["skip_total"] - a["skip_total"]) # may wrap? long long, no
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return {
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"dt": round(dt, 3),
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"pdo_hz": round(dc / dt, 1) if dt else None,
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"late_per_s": round(ds / dt, 2) if dt else None,
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"skip_frac": round(100.0 * ds / dc, 2) if dc else None,
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"gseq_per_s": round(((b["gseq"] - a["gseq"]) & 0xFFFFFFFF) / dt, 1) if dt else None,
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"dcyc": dc, "dskip": ds,
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}
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def arm_period(ms):
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try:
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post("/api/motor/stop")
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except Exception:
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pass
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time.sleep(0.15)
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post("/api/motor/period", {"period_ms": ms})
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time.sleep(0.15)
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post("/api/motor/start")
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time.sleep(0.5)
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print("ensure 0.25ms")
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arm_period(0.25)
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time.sleep(3)
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# --- A: fully quiet ---
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a0 = snap()
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t0 = time.time()
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# no HTTP
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time.sleep(10)
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a1 = snap()
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A = rate(a0, a1, time.time() - t0)
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print("QUIET", json.dumps(A, ensure_ascii=False))
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print(" cyc_us", json.dumps(a1.get("cyc_us"), ensure_ascii=False))
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# --- B: hammer like spi_test (state+load+dbg+rxraw) ---
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time.sleep(1)
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b0 = snap()
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t0 = time.time()
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n = 0
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while time.time() - t0 < 10:
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try:
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post("/api/motor/state")
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post("/api/app/load")
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post("/api/motor/dbg")
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post("/api/motor/rxraw")
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n += 1
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except Exception as e:
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print("hammer err", e)
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break
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time.sleep(0.05) # ~20Hz full set, similar to busy panel
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b1 = snap()
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B = rate(b0, b1, time.time() - t0)
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print("HAMMER", json.dumps(B, ensure_ascii=False), "polls", n)
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print(" cyc_us", json.dumps(b1.get("cyc_us"), ensure_ascii=False))
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# --- C: only motor/state at max (no dbg/rxraw) ---
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time.sleep(1)
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c0 = snap()
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t0 = time.time()
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n = 0
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while time.time() - t0 < 10:
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try:
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post("/api/motor/state")
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n += 1
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except Exception:
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break
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time.sleep(0.05)
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c1 = snap()
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C = rate(c0, c1, time.time() - t0)
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print("STATE_ONLY", json.dumps(C, ensure_ascii=False), "polls", n)
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out = {"quiet": A, "hammer": B, "state_only": C,
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"quiet_cyc": a1.get("cyc_us"), "hammer_cyc": b1.get("cyc_us")}
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path = os.path.join(LAB, f"summary_fe_ab_{int(time.time())}.json")
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json.dump(out, open(path, "w", encoding="utf-8"), ensure_ascii=False, indent=2)
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print("WROTE", path)
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