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feat(scheduler-sim-live-allocation): thread core state through allocation context and host search (task 2.1)

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Retypes xce_sched_ctx_t.sched (sched/types.h) from void* to
xce_sched_core_t* outright, and sched_try_alloc_on_host_() (resource.c)
to take xce_sched_core_t* directly -- completing what tasks 1.2/1.3
left as temporary &(sched->core) call-site wraps. Removes the two
resulting struct-prefix casts entirely (schedobj.c's
sched_ctx_set_primary(), host_iter.c's sched_host_iter_next()): both
now pass core state through honestly, with no cast.

Updates every sched_ctx_init()/sched_try_alloc_on_host_() call site
tree-wide (scheduler.c, parjob_allocator.c, seqjob_allocator.c) with
zero change to host_iter/parjob/seqjob's own host-iteration/
bucket-construction algorithm.

Adds a driver-parity test for sched_try_alloc_on_host_() proving
identical grant/deny results from normal-mode-shaped and
simulation-mode-shaped core state.

Flags (for task 2.3) a confirmed-dead, type-confused write at
plugins/limit.c:319 (ctx.sched = plugin->sched) -- never read today,
left untouched since limit.c is task 2.3's boundary, not this one's.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RLSNJhNoULvVcUhXEFafQC
This commit is contained in:
Rongsong Shen 2026-09-18 13:52:14 +00:00
parent 55173fca27
commit d52c78e4be
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GPG key ID: 5BCDAAE0123E9FE2
14 changed files with 229 additions and 54 deletions
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4
src/scheduler/testsuite/test_job_update.c
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@ -394,7 +394,9 @@ test_ctx_init_defaults_alloc_mode_to_normal(void)
obj.tag = XCE_RESREQ_PRIMARY;
xce_sched_ctx_t ctx;
int rc = sched_ctx_init(&ctx, &sched, &obj);
/* scheduler-sim-live-allocation spec, task 2.1: ctx->sched is now
* honestly typed xce_sched_core_t* -- pass &(sched.core), not &sched. */
int rc = sched_ctx_init(&ctx, &(sched.core), &obj);
TEST_ASSERT_EQUAL_INT(0, rc);
TEST_ASSERT_EQUAL_INT(XCE_ALLOC_NORMAL, ctx.alloc_mode);