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[Fix] (CI): the parity gate sanctions Magma's spawn-only AdoptTier0 fallback case

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swung0x48
2026-10-13 08:02:36 -04:00
parent fdb747b06d
commit 5980349b33
1 changed files with 20 additions and 13 deletions
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scripts/ci/spawn_lane_parity.py
+20 -13
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@@ -136,7 +136,7 @@ PRIMGEN_REROUTE_CASES = ("CountsADrawMadeWithNoCaptureSpan",
"APausedSpanCountsATessellatedPatchExactlyOnce",
"APausedSpanCountsAnInstancedDrawExactlyOnce",
"TheRerouteIsActuallyArmedWhenTheEnvironmentPinsItOn")
MAGMA_SERVER_ENV_KNOB_NO_TCP = (".AdoptTier0.LargeArenaAdoptionScenario.ASessionThatCannotRunT0FallsBackToT2OnceByName", ".ShaderMip1.", ".ShaderMip2.", ".DepthMip.",
MAGMA_SERVER_ENV_KNOB_NO_TCP = (".ShaderMip1.", ".ShaderMip2.", ".DepthMip.",
".DefaultBlitShape1.", ".MsResolve1.", ".StaleSerial.", ".MsFlip1.",
".MsResolveBug.", ".MsFlipBug.", ".MsResolveElide.",
".ImageUnitPrivate.InvalidImageUnitScenario.AStoreThroughAnInvalidUnitIsLoadedThroughNeitherAnotherInvalidUnitNorItself",
@@ -158,6 +158,9 @@ MAGMA_SERVER_ENV_KNOB_NO_TCP = (".AdoptTier0.LargeArenaAdoptionScenario.ASession
# is required on split/spawn and listed in no_tcp above. Neither transport should
# register the other assertion merely to skip it.
MAGMA_TCP_ONLY = (".AdoptTier0.LargeArenaAdoptionScenario.AStreamSessionRefusesTheAdoptTierOnceByName",)
# The shared-segment fallback assertion is spawn-only on Magma: the split arm is one process and
# grants T0 in process (745f59bc), so it has no fallback to read.
MAGMA_SPAWN_ONLY = (".AdoptTier0.LargeArenaAdoptionScenario.ASessionThatCannotRunT0FallsBackToT2OnceByName",)
def lane_names(build_dir, label):
@@ -207,7 +210,7 @@ def tcp_lock_check(build_dir):
return False
def compare_arms(build_dir, tier, labels, inproc_only=(), no_tcp=(), tcp_only=()):
def compare_arms(build_dir, tier, labels, inproc_only=(), no_tcp=(), only_on=None):
"""The three arms of one tier must name the same set after the arm segment comes off.
`inproc_only` drops a key from the comparison for EVERY non-split arm; `no_tcp` drops it for
@@ -233,20 +236,24 @@ def compare_arms(build_dir, tier, labels, inproc_only=(), no_tcp=(), tcp_only=()
return False
failed = False
reference = "split"
if tcp_only and "tcp" in sets:
for tail in tcp_only:
hits = sorted(k for k in sets["tcp"] if tail in k)
# `only_on` maps an arm to the tails registered on that arm alone. Each tail must name
# something on its arm and nothing on any other; then it comes off the comparison.
for only_arm, tails in (only_on or {}).items():
if only_arm not in sets:
continue
for tail in tails:
hits = sorted(k for k in sets[only_arm] if tail in k)
if not hits:
print(f"::error::{tier}: the tcp-only tail {tail!r} matches no tcp entry - an exception "
f"about nothing.", file=sys.stderr)
print(f"::error::{tier}: the {only_arm}-only tail {tail!r} matches no {only_arm} entry - "
f"an exception about nothing.", file=sys.stderr)
return True
elsewhere = sorted(k for arm, keys in sets.items() if arm != "tcp" for k in keys if tail in k)
elsewhere = sorted(k for arm, keys in sets.items() if arm != only_arm for k in keys if tail in k)
if elsewhere:
print(f"::error::{tier}: the tcp-only tail {tail!r} also names non-tcp entries "
f"{elsewhere}.", file=sys.stderr)
print(f"::error::{tier}: the {only_arm}-only tail {tail!r} also names non-{only_arm} "
f"entries {elsewhere}.", file=sys.stderr)
return True
print(f"{tier}: {len(hits)} tcp-only entrie(s) excluded from the comparison ({tail})")
sets["tcp"] = {k for k in sets["tcp"] if not any(only in k for only in tcp_only)}
print(f"{tier}: {len(hits)} {only_arm}-only entrie(s) excluded from the comparison ({tail})")
sets[only_arm] = {k for k in sets[only_arm] if not any(only in k for only in tails)}
comparable = {k for k in sets[reference]
if not any(only in k for only in inproc_only)}
if len(comparable) != len(sets[reference]):
@@ -347,7 +354,7 @@ def main():
"tcp": "integration-magma-tcp"},
inproc_only=MAGMA_INPROC_ONLY,
no_tcp=MAGMA_SERVER_ENV_KNOB_NO_TCP,
tcp_only=MAGMA_TCP_ONLY)
only_on={"tcp": MAGMA_TCP_ONLY, "spawn": MAGMA_SPAWN_ONLY})
failed |= compare_arms(args.build_dir, "magma informational tier",
{"split": "integration-magma-all-split",
"spawn": "integration-magma-all-spawn",