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[MG_Backend, MG_Impl, MG_Remote, MG_Test, MG_IntegrationTest, CI] (Disaggregated): P5f f1 - the dual-block rehearsal: per-role PipeInputs, the MOBILEGL_IPC_ROLE_SPLIT_STATE knob, and the named-Fatal arm that makes the red a census

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swung0x48
2026-09-19 09:59:33 -04:00
parent e75e00cb7a
commit cfcc12f73a
15 changed files with 833 additions and 13 deletions
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MobileGL/ConfigLoader.cpp
+13 -2
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@@ -393,17 +393,28 @@ namespace MobileGL::MG_ConfigLoader {
ipc.StrictErrors = QueryEnvFlag("MOBILEGL_IPC_STRICT_ERRORS");
ipc.Audit = QueryEnvFlag("MOBILEGL_IPC_AUDIT");
QueryEnvVariable("MOBILEGL_IPC_SERVER_AFFINITY", ipc.ServerAffinity, "auto");
// P5f f1: the dual-block rehearsal (P5F-WIRE-COMPLETENESS.md §4). Forced OFF by the
// verify harness: the comparator's entry compare and compare-at-read hook are built on
// there being ONE filled block (the hook pins itself to &gPipeInputs,
// PipeFill.cpp's MGPipeVerifyReadHook), which is exactly what the rehearsal splits.
ipc.RoleSplitState = QueryEnvFlag("MOBILEGL_IPC_ROLE_SPLIT_STATE");
if (MG_Config::Features.PipeVerify && ipc.RoleSplitState) {
MGLOG_W("Config: MOBILEGL_IPC_ROLE_SPLIT_STATE=1 is incompatible with "
"MOBILEGL_PIPE_VERIFY (the comparator owns the single fill block); "
"the dual-block rehearsal is OFF for this run");
ipc.RoleSplitState = false;
}
if (MG_Config::Transport == MG_Config::TransportMode::Monolith) return;
// One line, on the arm where these numbers decide behaviour, because every one of
// them is a number a bug report has to quote.
MGLOG_I("Config: IPC ring=%uMiB stage=%uMiB spin=%uus persistent-block=%uKiB "
"adopt-tier=%u verb-barrier=%u run-ahead=%u present-credit=%u strict=%d "
"audit=%d affinity='%s'",
"audit=%d role-split-state=%d affinity='%s'",
ipc.RingMb, ipc.StageMb, ipc.SpinUs, ipc.PersistentBlockKb, ipc.AdoptTier,
ipc.VerbBarrier, ipc.RunAhead, ipc.PresentCredit,
static_cast<int>(ipc.StrictErrors), static_cast<int>(ipc.Audit),
ipc.ServerAffinity.c_str());
static_cast<int>(ipc.RoleSplitState), ipc.ServerAffinity.c_str());
if (ipc.VerbBarrier == 0) {
MGLOG_W("Config: MOBILEGL_IPC_VERB_BARRIER=0 is the R-1 NEGATIVE CONTROL and is "
"expected to fail: the client still pulls 31 of 63 PipeInputs fields from a "