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defer call stack scope touches until retry loop exit

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This commit is contained in:
Ryan Fleury
2025-05-21 17:33:30 -07:00
parent b0fb102813
commit 895a965f70
1 changed files with 73 additions and 65 deletions
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src/ctrl/ctrl_core.c
+10 -2
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@@ -3399,7 +3399,10 @@ ctrl_call_stack_from_thread(CTRL_Scope *scope, CTRL_EntityCtx *entity_ctx, CTRL_
//
B32 can_request = !ins_atomic_u64_eval(&ctrl_state->ctrl_thread_run_state);
B32 did_request = 0;
OS_MutexScopeR(stripe->rw_mutex) for(;;)
OS_MutexScopeR(stripe->rw_mutex)
{
CTRL_CallStackCacheNode *taken_node = 0;
for(;;)
{
////////////////////////////
//- rjf: try to grab cached
@@ -3418,7 +3421,7 @@ ctrl_call_stack_from_thread(CTRL_Scope *scope, CTRL_EntityCtx *entity_ctx, CTRL_
is_stale = (reg_gen > n->reg_gen || mem_gen > n->mem_gen);
is_working = (n->working_count > 0);
call_stack = n->call_stack;
ctrl_scope_touch_call_stack_node__stripe_r_guarded(scope, stripe, n);
taken_node = node;
break;
}
}
@@ -3480,6 +3483,11 @@ ctrl_call_stack_from_thread(CTRL_Scope *scope, CTRL_EntityCtx *entity_ctx, CTRL_
os_condition_variable_wait_rw_r(stripe->cv, stripe->rw_mutex, endt_us);
}
}
if(taken_node != 0)
{
ctrl_scope_touch_call_stack_node__stripe_r_guarded(scope, stripe, taken_node);
}
}
return call_stack;
}