arch/arm/include/asm/perf_event.h

Source file repositories/reference/linux-study-clean/arch/arm/include/asm/perf_event.h

File Facts

System
Linux kernel
Corpus path
arch/arm/include/asm/perf_event.h
Extension
.h
Size
477 bytes
Lines
19
Domain
Architecture Layer
Bucket
arch/arm
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

#ifndef __ARM_PERF_EVENT_H__
#define __ARM_PERF_EVENT_H__

#define perf_arch_fetch_caller_regs(regs, __ip) { \
	(regs)->ARM_pc = (__ip); \
	frame_pointer((regs)) = (unsigned long) __builtin_frame_address(0); \
	(regs)->ARM_sp = current_stack_pointer; \
	(regs)->ARM_cpsr = SVC_MODE; \
}

#endif /* __ARM_PERF_EVENT_H__ */

Annotation

Implementation Notes