tools/perf/util/hisi-ptt.h

File Facts

System

Linux kernel

Corpus path

tools/perf/util/hisi-ptt.h

Extension

.h

Size

512 bytes

Lines

20

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

• No C-style include directives detected by the generator.

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#ifndef INCLUDE__PERF_HISI_PTT_H__
#define INCLUDE__PERF_HISI_PTT_H__

#define HISI_PTT_PMU_NAME		"hisi_ptt"
#define HISI_PTT_AUXTRACE_PRIV_SIZE	sizeof(u64)

struct auxtrace_record *hisi_ptt_recording_init(int *err,
						struct perf_pmu *hisi_ptt_pmu);

int hisi_ptt_process_auxtrace_info(union perf_event *event,
				   struct perf_session *session);

#endif

Annotation

• 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.