arch/x86/xen/trace.c

Source file repositories/reference/linux-study-clean/arch/x86/xen/trace.c

File Facts

System
Linux kernel
Corpus path
arch/x86/xen/trace.c
Extension
.c
Size
518 bytes
Lines
22
Domain
Architecture Layer
Bucket
arch/x86
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include <linux/ftrace.h>
#include <xen/interface/xen.h>
#include <xen/interface/xen-mca.h>

#define HYPERCALL(x)	[__HYPERVISOR_##x] = "("#x")",
static const char *xen_hypercall_names[] = {
#include <asm/xen-hypercalls.h>
};
#undef HYPERCALL

static const char *xen_hypercall_name(unsigned op)
{
	if (op < ARRAY_SIZE(xen_hypercall_names) && xen_hypercall_names[op] != NULL)
		return xen_hypercall_names[op];

	return "";
}

#define CREATE_TRACE_POINTS
#include <trace/events/xen.h>

Annotation

Implementation Notes