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feat(scheduler-core): extract xce_sched_core_t from monolithic scheduler struct (task 4.1)

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Splits xce_scheduler_t along the controller-I/O seam: xce_sched_core_t
(new core.h/core.c) now holds all scheduling state (jobs/queues/workers/
users/projects/resource managers/plugins/three-thread-cbuf pipeline),
while xce_scheduler_t shrinks to {core; apictx; cluster_cfg}. Proven via
an nm-based link-time isolation test (zero netio/xcecli/idgen/delaymgr
symbols reachable from core.c) plus a reproducible wall-clock-call guard.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019dw5WnN3DXStaEaPYfACU1
This commit is contained in:
Rongsong Shen 2026-08-03 10:55:58 +00:00
parent 604a564904
commit 7c229284e2
Signed by: rshen
SSH key fingerprint: SHA256:8Vf2pZ3h6rJa7EhGK+WaAQ9Mta/apZvteW6g9U/WKKk
26 changed files with 1233 additions and 661 deletions
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36
src/scheduler/testsuite/test_job_array_expand.c
View file

@ -33,23 +33,25 @@ int sched_init_config(xce_scheduler_t* s, xce_conf4sched_t* c)
}
/* REAL kvmgr-backed job add/get -- same rtti path production uses (mirrors
* test_job_update.c's precedent for exercising sched_get_job "for real"). */
int sched_add_job(xce_scheduler_t* sched, xce_sched_job_t* j)
* test_job_update.c's precedent for exercising sched_get_job "for real").
* Relocated to core.h (scheduler-core spec, task 4.1) -- now operate on
* xce_sched_core_t*, not xce_scheduler_t*. */
int sched_add_job(xce_sched_core_t* core, xce_sched_job_t* j)
{
int rc;
lock(sched->jobs, RTTI_LOCK_WRITE);
rc = key_add(sched->jobs, (void*)j->jobid, j);
unlock(sched->jobs);
lock(core->jobs, RTTI_LOCK_WRITE);
rc = key_add(core->jobs, (void*)j->jobid, j);
unlock(core->jobs);
return rc;
}
xce_sched_job_t* sched_get_job(xce_scheduler_t* sched, uint64_t jobid)
xce_sched_job_t* sched_get_job(xce_sched_core_t* core, uint64_t jobid)
{
int rc;
xce_sched_job_t* job = NULL;
lock(sched->jobs, RTTI_LOCK_READ);
rc = key_find(sched->jobs, (void*)jobid, (void**)&job);
unlock(sched->jobs);
lock(core->jobs, RTTI_LOCK_READ);
rc = key_find(core->jobs, (void*)jobid, (void**)&job);
unlock(core->jobs);
if (rc <= 0) {
return NULL;
}
@ -71,19 +73,19 @@ static void fixture_init(xce_scheduler_t* sched)
.datakiller = NULL };
memset(sched, 0, sizeof(*sched));
mylock_init(&(sched->lock));
sched->pend_updates[0] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->pend_updates[0], NULL);
sched->pend_updates[1] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->pend_updates[1], NULL);
sched->jobs = makeInstance(&xkvmgr_type, &jobs_params);
mylock_init(&(sched->core.lock));
sched->core.pend_updates[0] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->core.pend_updates[0], NULL);
sched->core.pend_updates[1] = (dataq_t*)calloc(1, sizeof(dataq_t));
dataq_init(sched->core.pend_updates[1], NULL);
sched->core.jobs = makeInstance(&xkvmgr_type, &jobs_params);
}
static void seed_existing_job(xce_scheduler_t* sched, uint64_t jobid)
{
xce_sched_job_t* job = (xce_sched_job_t*)calloc(1, sizeof(*job));
job->jobid = jobid;
sched_add_job(sched, job);
sched_add_job(&(sched->core), job);
}
/* Builds a heap-allocated, heap-owned-strings (jobArray, submit) pair -- the
@ -119,7 +121,7 @@ static xce_job_submit_t* init_job_array(uint64_t base_jobid,
* mirror sched_pend_update_killer). Returns -1 if the queue is empty. */
static int pop_job_update(xce_scheduler_t* sched, xce_job_t*** jobs_out)
{
data_item_t* it = dataq_deq(sched->pend_updates[0], NULL);
data_item_t* it = dataq_deq(sched->core.pend_updates[0], NULL);
xce_sched_update_request_t* req;
int njobs;