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-rw-r--r--tools/guest-diag/pin_gr_stream.py11
1 files changed, 7 insertions, 4 deletions
diff --git a/tools/guest-diag/pin_gr_stream.py b/tools/guest-diag/pin_gr_stream.py
index e1f5195..dff2d2d 100644
--- a/tools/guest-diag/pin_gr_stream.py
+++ b/tools/guest-diag/pin_gr_stream.py
@@ -145,7 +145,7 @@ def _demand_loop():
except Exception:
continue
now = time.time()
- for m in re.finditer(r"stalled VA #\d+: (0x[0-9a-f]+)",
+ for m in re.finditer(r"(?:stalled VA #\d+|pending release starved va)=(0x[0-9a-f]+)",
(r.stdout or "")[-200000:]):
va = int(m.group(1), 16)
track.setdefault(va, [now, 0.0])
@@ -258,14 +258,17 @@ def _flush(runs, seen):
"""
todo = []
for va, pa, n in runs:
- # The CE window (0x120000000..0x121000000) is re-asserted by the
+ # The CE window (0x120000000..0x121000000) and the UVM semaphore
+ # pool page range (0x121000000..0x122000000) are re-asserted by the
# guest every couple of seconds on purpose: the host's session flush
# wipes the whole pin table when the previous client's last channel
# closes, and a pin batch that raced in for the new client must be
# allowed to land again even when the pair is unchanged. Skipping
# repeats there stranded the second client's CE pushes (the r144/
- # r145 stall: sema-probe "NO ENTRY" for the live push pages).
- ce_win = 0x120000000 <= va < 0x121000000
+ # r145 stall: sema-probe "NO ENTRY" for the live push pages) and the
+ # pool/tracker page (pending release starved, every client's first
+ # seconds).
+ ce_win = 0x120000000 <= va < 0x122000000
if not ce_win and seen.get(va) == pa and n == 1:
continue
todo.append((va, pa, n))