diff options
Diffstat (limited to 'tools/guest-diag')
| -rw-r--r-- | tools/guest-diag/pin_gr_stream.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/guest-diag/pin_gr_stream.py b/tools/guest-diag/pin_gr_stream.py index e224988..1acef4b 100644 --- a/tools/guest-diag/pin_gr_stream.py +++ b/tools/guest-diag/pin_gr_stream.py @@ -273,6 +273,24 @@ def _demand_loop(): zlen = int(m.group(2)) for zoff in range(0, min(zlen, 0x8000), 0x1000): track.setdefault(zva + zoff, [now, 0.0]) + # SESSION 153-CONTINUED-56: the armed setup-hold's demand VA set is + # exposed by the service as STATE (debugfs), not as a dmesg row, so + # it cannot race the ring rotation under vgsp-sema spam (r1090 lost + # the setup-push pages that way). Read it every pass and feed the + # same track/resend machinery: new VAs are sent this pass (last=0), + # existing ones keep the 20 s resend / 300 s expiry cadence. + try: + rr = subprocess.run( + ["sudo", "-n", "cat", + "/sys/kernel/debug/vgsp/sema_setup_demand"], + capture_output=True, text=True, timeout=10) + if rr.returncode == 0: + for m in re.finditer(r"0x[0-9a-f]+", rr.stdout or ""): + sva = int(m.group(0), 16) & ~0xfff + if sva: + track.setdefault(sva, [now, 0.0]) + except Exception: + pass for va in list(track): first, last = track[va] if now - first > 300.0: |