tools/perf/tests/shell/trace_record_replay.sh

Source file repositories/reference/linux-study-clean/tools/perf/tests/shell/trace_record_replay.sh

File Facts

System
Linux kernel
Corpus path
tools/perf/tests/shell/trace_record_replay.sh
Extension
.sh
Size
477 bytes
Lines
22
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/bin/bash
# perf trace record and replay
# SPDX-License-Identifier: GPL-2.0

# Check that perf trace works with record and replay

# shellcheck source=lib/probe.sh
. "$(dirname $0)"/lib/probe.sh

skip_if_no_perf_trace || exit 2
[ "$(id -u)" = 0 ] || exit 2

file=$(mktemp /tmp/temporary_file.XXXXX)

perf trace record -o ${file} sleep 1 || exit 1
if ! perf trace -i ${file} 2>&1 | grep nanosleep; then
	echo "Failed: cannot find *nanosleep syscall"
	exit 1
fi

rm -f ${file}

Annotation

Implementation Notes