tools/perf/util/map_symbol.h

File Facts

System

Linux kernel

Corpus path

tools/perf/util/map_symbol.h

Extension

.h

Size

713 bytes

Lines

34

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.

• Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/types.h

Detected Declarations

• struct thread
• struct maps
• struct map
• struct symbol
• struct map_symbol
• struct addr_map_symbol

Annotated Snippet

struct map_symbol {
	struct thread *thread;
	struct map    *map;
	struct symbol *sym;
};

struct addr_map_symbol {
	struct map_symbol ms;
	u64	      addr;
	u64	      al_addr;
	char	      al_level;
	u64	      phys_addr;
	u64	      data_page_size;
};

void map_symbol__exit(struct map_symbol *ms);
void addr_map_symbol__exit(struct addr_map_symbol *ams);

void map_symbol__copy(struct map_symbol *dst, struct map_symbol *src);
void addr_map_symbol__copy(struct addr_map_symbol *dst, struct addr_map_symbol *src);

#endif // __PERF_MAP_SYMBOL

Annotation

• Immediate include surface: `linux/types.h`.
• Detected declarations: `struct thread`, `struct maps`, `struct map`, `struct symbol`, `struct map_symbol`, `struct addr_map_symbol`.
• Atlas domain: Support Tooling And Documentation / tools.
• Implementation status: source implementation candidate.

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.