lib/test_workqueue.c

File Facts

System

Linux kernel

Corpus path

lib/test_workqueue.c

Extension

.c

Size

7045 bytes

Lines

295

Domain

Kernel Services

Bucket

lib

Inferred role

Kernel Services: exported/initcall integration point

Status

integration implementation candidate

Why This File Exists

Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.

• Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/init.h
• linux/kernel.h
• linux/module.h
• linux/workqueue.h
• linux/kthread.h
• linux/moduleparam.h
• linux/completion.h
• linux/atomic.h
• linux/slab.h
• linux/ktime.h
• linux/cpumask.h
• linux/sched.h
• linux/sort.h
• linux/fs.h

Detected Declarations

• struct thread_ctx
• function bench_work_fn
• function bench_kthread_fn
• function cmp_u64
• function set_affn_scope
• function run_bench
• function test_workqueue_init
• module init test_workqueue_init

Annotated Snippet

module_init(test_workqueue_init);
MODULE_AUTHOR("Breno Leitao <leitao@debian.org>");
MODULE_DESCRIPTION("Stress/performance benchmark for workqueue subsystem");
MODULE_LICENSE("GPL");

Annotation

• Immediate include surface: `linux/init.h`, `linux/kernel.h`, `linux/module.h`, `linux/workqueue.h`, `linux/kthread.h`, `linux/moduleparam.h`, `linux/completion.h`, `linux/atomic.h`.
• Detected declarations: `struct thread_ctx`, `function bench_work_fn`, `function bench_kthread_fn`, `function cmp_u64`, `function set_affn_scope`, `function run_bench`, `function test_workqueue_init`, `module init test_workqueue_init`.
• Atlas domain: Kernel Services / lib.
• Implementation status: integration implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.