tools/testing/selftests/sched_ext/select_cpu_dispatch.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/sched_ext/select_cpu_dispatch.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/sched_ext/select_cpu_dispatch.c
Extension
.c
Size
1611 bytes
Lines
74
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

if (pids[i] == 0) {
			sleep(1);
			exit(0);
		}
	}

	for (i = 0; i < NUM_CHILDREN; i++) {
		SCX_EQ(waitpid(pids[i], &status, 0), pids[i]);
		SCX_EQ(status, 0);
	}

	bpf_link__destroy(link);

	return SCX_TEST_PASS;
}

static void cleanup(void *ctx)
{
	struct select_cpu_dispatch *skel = ctx;

	select_cpu_dispatch__destroy(skel);
}

struct scx_test select_cpu_dispatch = {
	.name = "select_cpu_dispatch",
	.description = "Test direct dispatching to built-in DSQs from "
		       "ops.select_cpu()",
	.setup = setup,
	.run = run,
	.cleanup = cleanup,
};
REGISTER_SCX_TEST(&select_cpu_dispatch)

Annotation

Implementation Notes