tools/perf/scripts/python/bin/failed-syscalls-by-pid-report

File Facts

System

Linux kernel

Corpus path

tools/perf/scripts/python/bin/failed-syscalls-by-pid-report

Extension

[no extension]

Size

258 bytes

Lines

11

Domain

Support Tooling And Documentation

Bucket

tools

Inferred role

Support Tooling And Documentation: syscall or user/kernel boundary

Status

core 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 participates in a user/kernel boundary; inspect argument validation, copy_from_user/copy_to_user, credentials, and dispatch target.

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

#!/bin/bash
# description: system-wide failed syscalls, by pid
# args: [comm]
if [ $# -gt 0 ] ; then
    if ! expr match "$1" "-" > /dev/null ; then
	comm=$1
	shift
    fi
fi
perf script $@ -s "$PERF_EXEC_PATH"/scripts/python/failed-syscalls-by-pid.py $comm

Annotation

• Atlas domain: Support Tooling And Documentation / tools.
• Implementation status: core 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.