Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alan Maguire | 463 | 59.21% | 3 | 15.79% |
Rae Moar | 171 | 21.87% | 3 | 15.79% |
Richard Fitzgerald | 102 | 13.04% | 3 | 15.79% |
Brendan Higgins | 39 | 4.99% | 6 | 31.58% |
Arnd Bergmann | 3 | 0.38% | 1 | 5.26% |
Daniel Latypov | 3 | 0.38% | 2 | 10.53% |
David Gow | 1 | 0.13% | 1 | 5.26% |
Total | 782 | 19 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2020, Oracle and/or its affiliates. * Author: Alan Maguire <alan.maguire@oracle.com> */ #include <linux/debugfs.h> #include <linux/module.h> #include <kunit/test.h> #include <kunit/test-bug.h> #include "string-stream.h" #include "debugfs.h" #define KUNIT_DEBUGFS_ROOT "kunit" #define KUNIT_DEBUGFS_RESULTS "results" #define KUNIT_DEBUGFS_RUN "run" /* * Create a debugfs representation of test suites: * * Path Semantics * /sys/kernel/debug/kunit/<testsuite>/results Show results of last run for * testsuite * /sys/kernel/debug/kunit/<testsuite>/run Write to this file to trigger * testsuite to run * */ static struct dentry *debugfs_rootdir; void kunit_debugfs_cleanup(void) { debugfs_remove_recursive(debugfs_rootdir); } void kunit_debugfs_init(void) { if (!debugfs_rootdir) debugfs_rootdir = debugfs_create_dir(KUNIT_DEBUGFS_ROOT, NULL); } static void debugfs_print_result(struct seq_file *seq, struct string_stream *log) { struct string_stream_fragment *frag_container; if (!log) return; /* * Walk the fragments so we don't need to allocate a temporary * buffer to hold the entire string. */ spin_lock(&log->lock); list_for_each_entry(frag_container, &log->fragments, node) seq_printf(seq, "%s", frag_container->fragment); spin_unlock(&log->lock); } /* * /sys/kernel/debug/kunit/<testsuite>/results shows all results for testsuite. */ static int debugfs_print_results(struct seq_file *seq, void *v) { struct kunit_suite *suite = (struct kunit_suite *)seq->private; enum kunit_status success; struct kunit_case *test_case; if (!suite) return 0; success = kunit_suite_has_succeeded(suite); /* Print KTAP header so the debugfs log can be parsed as valid KTAP. */ seq_puts(seq, "KTAP version 1\n"); seq_puts(seq, "1..1\n"); /* Print suite header because it is not stored in the test logs. */ seq_puts(seq, KUNIT_SUBTEST_INDENT "KTAP version 1\n"); seq_printf(seq, KUNIT_SUBTEST_INDENT "# Subtest: %s\n", suite->name); seq_printf(seq, KUNIT_SUBTEST_INDENT "1..%zd\n", kunit_suite_num_test_cases(suite)); kunit_suite_for_each_test_case(suite, test_case) debugfs_print_result(seq, test_case->log); debugfs_print_result(seq, suite->log); seq_printf(seq, "%s %d %s\n", kunit_status_to_ok_not_ok(success), 1, suite->name); return 0; } static int debugfs_release(struct inode *inode, struct file *file) { return single_release(inode, file); } static int debugfs_results_open(struct inode *inode, struct file *file) { struct kunit_suite *suite; suite = (struct kunit_suite *)inode->i_private; return single_open(file, debugfs_print_results, suite); } /* * Print a usage message to the debugfs "run" file * (/sys/kernel/debug/kunit/<testsuite>/run) if opened. */ static int debugfs_print_run(struct seq_file *seq, void *v) { struct kunit_suite *suite = (struct kunit_suite *)seq->private; seq_puts(seq, "Write to this file to trigger the test suite to run.\n"); seq_printf(seq, "usage: echo \"any string\" > /sys/kernel/debugfs/kunit/%s/run\n", suite->name); return 0; } /* * The debugfs "run" file (/sys/kernel/debug/kunit/<testsuite>/run) * contains no information. Write to the file to trigger the test suite * to run. */ static int debugfs_run_open(struct inode *inode, struct file *file) { struct kunit_suite *suite; suite = (struct kunit_suite *)inode->i_private; return single_open(file, debugfs_print_run, suite); } /* * Trigger a test suite to run by writing to the suite's "run" debugfs * file found at: /sys/kernel/debug/kunit/<testsuite>/run * * Note: what is written to this file will not be saved. */ static ssize_t debugfs_run(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { struct inode *f_inode = file->f_inode; struct kunit_suite *suite = (struct kunit_suite *) f_inode->i_private; __kunit_test_suites_init(&suite, 1); return count; } static const struct file_operations debugfs_results_fops = { .open = debugfs_results_open, .read = seq_read, .llseek = seq_lseek, .release = debugfs_release, }; static const struct file_operations debugfs_run_fops = { .open = debugfs_run_open, .read = seq_read, .write = debugfs_run, .llseek = seq_lseek, .release = debugfs_release, }; void kunit_debugfs_create_suite(struct kunit_suite *suite) { struct kunit_case *test_case; struct string_stream *stream; /* If suite log already allocated, do not create new debugfs files. */ if (suite->log) return; /* * Allocate logs before creating debugfs representation. * The suite->log and test_case->log pointer are expected to be NULL * if there isn't a log, so only set it if the log stream was created * successfully. */ stream = alloc_string_stream(GFP_KERNEL); if (IS_ERR_OR_NULL(stream)) return; string_stream_set_append_newlines(stream, true); suite->log = stream; kunit_suite_for_each_test_case(suite, test_case) { stream = alloc_string_stream(GFP_KERNEL); if (IS_ERR_OR_NULL(stream)) goto err; string_stream_set_append_newlines(stream, true); test_case->log = stream; } suite->debugfs = debugfs_create_dir(suite->name, debugfs_rootdir); debugfs_create_file(KUNIT_DEBUGFS_RESULTS, S_IFREG | 0444, suite->debugfs, suite, &debugfs_results_fops); /* Do not create file to re-run test if test runs on init */ if (!suite->is_init) { debugfs_create_file(KUNIT_DEBUGFS_RUN, S_IFREG | 0644, suite->debugfs, suite, &debugfs_run_fops); } return; err: string_stream_destroy(suite->log); kunit_suite_for_each_test_case(suite, test_case) string_stream_destroy(test_case->log); } void kunit_debugfs_destroy_suite(struct kunit_suite *suite) { struct kunit_case *test_case; debugfs_remove_recursive(suite->debugfs); string_stream_destroy(suite->log); kunit_suite_for_each_test_case(suite, test_case) string_stream_destroy(test_case->log); }
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1