tools/testing/selftests/ftrace/test.d/remotes/unloading.tc

Source file repositories/reference/linux-study-clean/tools/testing/selftests/ftrace/test.d/remotes/unloading.tc

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/ftrace/test.d/remotes/unloading.tc
Extension
.tc
Size
683 bytes
Lines
42
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/sh
# SPDX-License-Identifier: GPL-2.0
# description: Test trace remote unloading
# requires: remotes/test

. $TEST_DIR/remotes/functions

test_unloading()
{
    # No reader, writing
    assert_loaded

    # No reader, no writing
    echo 0 > tracing_on
    assert_unloaded

    # 1 reader, no writing
    cat trace_pipe &
    pid=$!
    sleep 1
    assert_loaded
    kill $pid
    assert_unloaded

    # No reader, no writing, events
    echo 1 > tracing_on
    echo 1 > write_event
    echo 0 > tracing_on
    assert_loaded

    # Test reset
    clear_trace
    assert_unloaded
}

if [ -z "$SOURCE_REMOTE_TEST" ]; then
    set -e

    setup_remote_test
    test_unloading
fi

Annotation

Implementation Notes