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kunit: fix bug in the order of lines in debugfs logs
Fix bug in debugfs logs that causes an incorrect order of lines in the debugfs log. Currently, the test counts lines that show the number of tests passed, failed, and skipped, as well as any suite diagnostic lines, appear prior to the individual results, which is a bug. Ensure the order of printing for the debugfs log is correct. Additionally, add a KTAP header to so the debugfs logs can be valid KTAP. This is an example of a log prior to these fixes: KTAP version 1 # Subtest: kunit_status 1..2 # kunit_status: pass:2 fail:0 skip:0 total:2 # Totals: pass:2 fail:0 skip:0 total:2 ok 1 kunit_status_set_failure_test ok 2 kunit_status_mark_skipped_test ok 1 kunit_status Note the two lines with stats are out of order. This is the same debugfs log after the fixes (in combination with the third patch to remove the extra line): KTAP version 1 1..1 KTAP version 1 # Subtest: kunit_status 1..2 ok 1 kunit_status_set_failure_test ok 2 kunit_status_mark_skipped_test # kunit_status: pass:2 fail:0 skip:0 total:2 # Totals: pass:2 fail:0 skip:0 total:2 ok 1 kunit_status Signed-off-by: Rae Moar <rmoar@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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887d85a073
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2 changed files with 26 additions and 9 deletions
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@ -55,14 +55,24 @@ static int debugfs_print_results(struct seq_file *seq, void *v)
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enum kunit_status success = kunit_suite_has_succeeded(suite);
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struct kunit_case *test_case;
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if (!suite || !suite->log)
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if (!suite)
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return 0;
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seq_printf(seq, "%s", suite->log);
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/* Print KTAP header so the debugfs log can be parsed as valid KTAP. */
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seq_puts(seq, "KTAP version 1\n");
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seq_puts(seq, "1..1\n");
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/* Print suite header because it is not stored in the test logs. */
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seq_puts(seq, KUNIT_SUBTEST_INDENT "KTAP version 1\n");
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seq_printf(seq, KUNIT_SUBTEST_INDENT "# Subtest: %s\n", suite->name);
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seq_printf(seq, KUNIT_SUBTEST_INDENT "1..%zd\n", kunit_suite_num_test_cases(suite));
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kunit_suite_for_each_test_case(suite, test_case)
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debugfs_print_result(seq, suite, test_case);
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if (suite->log)
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seq_printf(seq, "%s", suite->log);
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seq_printf(seq, "%s %d %s\n",
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kunit_status_to_ok_not_ok(success), 1, suite->name);
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return 0;
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@ -152,10 +152,18 @@ EXPORT_SYMBOL_GPL(kunit_suite_num_test_cases);
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static void kunit_print_suite_start(struct kunit_suite *suite)
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{
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kunit_log(KERN_INFO, suite, KUNIT_SUBTEST_INDENT "KTAP version 1\n");
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kunit_log(KERN_INFO, suite, KUNIT_SUBTEST_INDENT "# Subtest: %s",
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/*
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* We do not log the test suite header as doing so would
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* mean debugfs display would consist of the test suite
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* header prior to individual test results.
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* Hence directly printk the suite status, and we will
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* separately seq_printf() the suite header for the debugfs
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* representation.
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*/
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pr_info(KUNIT_SUBTEST_INDENT "KTAP version 1\n");
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pr_info(KUNIT_SUBTEST_INDENT "# Subtest: %s\n",
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suite->name);
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kunit_log(KERN_INFO, suite, KUNIT_SUBTEST_INDENT "1..%zd",
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pr_info(KUNIT_SUBTEST_INDENT "1..%zd\n",
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kunit_suite_num_test_cases(suite));
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}
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@ -172,10 +180,9 @@ static void kunit_print_ok_not_ok(void *test_or_suite,
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/*
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* We do not log the test suite results as doing so would
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* mean debugfs display would consist of the test suite
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* description and status prior to individual test results.
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* Hence directly printk the suite status, and we will
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* separately seq_printf() the suite status for the debugfs
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* mean debugfs display would consist of an incorrect test
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* number. Hence directly printk the suite result, and we will
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* separately seq_printf() the suite results for the debugfs
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* representation.
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*/
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if (suite)
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