re: LIVE N0@44100 = 2048, oversample 4 (two SP instances agree); angle-ramp+Cody-Waite twiddle path confirmed for main FFT; rtone/rtver scripts

rtall.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+import subprocess, os, glob, sys, time, struct
+
+RPP = "/home/m/soothe-bt/render_long.rpp"
+proc = subprocess.Popen(
+    ['reaper', '-nosplash', '-renderproject', RPP],
+    stdout=open('/tmp/rtall.log', 'w'), stderr=subprocess.STDOUT)
+print('reaper', proc.pid, flush=True)
+
+start, end = 0x1824abb00, 0x1824abd00  # vtbl region
+SLOTS = list(range(start, end, 8))
+
+
+def find_hosts():
+    out = []
+    for p in glob.glob('/proc/[0-9]*'):
+        try:
+            pid = int(os.path.basename(p))
+            m = open(f'/proc/{pid}/maps').read()
+            c = open(f'/proc/{pid}/cmdline', 'rb').read().decode('utf8', 'replace')
+            if 'soothe2' in m and 'yabridge-host.exe' in c:
+                out.append(pid)
+        except Exception:
+            pass
+    return out
+
+
+def scan_all(pid):
+    mem = os.open(f'/proc/{pid}/mem', os.O_RDONLY)
+    resc = {s: [] for s in SLOTS}
+    maps = open(f'/proc/{pid}/maps').read()
+    for line in maps.splitlines():
+        p = line.split()
+        lo, hi = (int(x, 16) for x in p[0].split('-'))
+        if 'r' not in p[1]:
+            continue
+        try:
+            d = os.pread(mem, hi - lo, lo)
+        except Exception:
+            continue
+        for s in SLOTS:
+            t = struct.pack('<Q', s)
+            i = 0
+            while True:
+                i = d.find(t, i)
+                if i < 0:
+                    break
+                resc[s].append(lo + i)
+                i += 1
+    os.close(mem)
+    return resc
+
+results = {}
+t0 = time.time()
+while time.time() - t0 < 75:
+    for pid in find_hosts():
+        if pid in results:
+            continue
+        r = scan_all(pid)
+        results[pid] = r
+        print('PID', pid, flush=True)
+        for s in SLOTS:
+            if r[s]:
+                print(f'  {s:#x} hits={len(r[s])} @ {[hex(x) for x in r[s][:3]]}', flush=True)
+    time.sleep(0.4)
+proc.kill()
+print('done', flush=True)