kernel/trace/trace_events_inject.c

File Facts

System

Linux kernel

Corpus path

kernel/trace/trace_events_inject.c

Extension

.c

Size

6824 bytes

Lines

336

Domain

Core OS

Bucket

Scheduler, Processes, Timers, Sync, And Syscalls

Inferred role

Core OS: operation-table or driver-model contract

Status

pattern implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
• Defines an operation table; this is where Linux turns generic core objects into subsystem-specific behavior.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/module.h
• linux/ctype.h
• linux/mutex.h
• linux/slab.h
• linux/rculist.h
• trace.h

Detected Declarations

• function Copyright
• function parse_field
• function trace_get_entry_size
• function parse_entry
• function event_inject_write
• function event_inject_read

Annotated Snippet

const struct file_operations event_inject_fops = {
	.open = tracing_open_file_tr,
	.read = event_inject_read,
	.write = event_inject_write,
	.release = tracing_release_file_tr,
};

Annotation

• Immediate include surface: `linux/module.h`, `linux/ctype.h`, `linux/mutex.h`, `linux/slab.h`, `linux/rculist.h`, `trace.h`.
• Detected declarations: `function Copyright`, `function parse_field`, `function trace_get_entry_size`, `function parse_entry`, `function event_inject_write`, `function event_inject_read`.
• Atlas domain: Core OS / Scheduler, Processes, Timers, Sync, And Syscalls.
• Implementation status: pattern implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.

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.