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From: Jiri Olsa <jolsa@redhat.com>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Jin Yao <yao.jin@linux.intel.com>,
	John Garry <john.garry@huawei.com>,
	"Paul A . Clarke" <pc@us.ibm.com>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	Brendan Higgins <brendanhiggins@google.com>,
	Daniel Latypov <dlatypov@google.com>,
	David Gow <davidgow@google.com>,
	eranian@google.com
Subject: Re: [PATCH v2 11/22] perf test: Convert watch point tests to test cases.
Date: Wed, 20 Oct 2021 14:45:24 +0200	[thread overview]
Message-ID: <YXAPZIKwHbnLOL4b@krava> (raw)
In-Reply-To: <20211013174604.747276-12-irogers@google.com>

On Wed, Oct 13, 2021 at 10:45:53AM -0700, Ian Rogers wrote:
> Use null terminated array of test cases rather than the previous sub
> test functions.
> 
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
>  tools/perf/tests/wp.c | 128 ++++++++++--------------------------------
>  1 file changed, 30 insertions(+), 98 deletions(-)
> 
> diff --git a/tools/perf/tests/wp.c b/tools/perf/tests/wp.c
> index 904bdf2dcf81..2c0513257b15 100644
> --- a/tools/perf/tests/wp.c
> +++ b/tools/perf/tests/wp.c
> @@ -62,8 +62,12 @@ static int __event(int wp_type, void *wp_addr, unsigned long wp_len)
>  	return fd;
>  }
>  
> -static int wp_ro_test(void)
> +static int test__wp_ro(struct test_suite *test __maybe_unused,
> +		       int subtest __maybe_unused)
>  {
> +#if defined(__s390x__) || defined(__x86_64__) || defined(__i386__)
> +	return TEST_SKIP;
> +#else
>  	int fd;
>  	unsigned long tmp, tmp1 = rand();
>  
> @@ -79,10 +83,15 @@ static int wp_ro_test(void)
>  
>  	close(fd);
>  	return 0;
> +#endif
>  }
>  
> -static int wp_wo_test(void)
> +static int test__wp_wo(struct test_suite *test __maybe_unused,
> +		       int subtest __maybe_unused)
>  {
> +#if defined(__s390x__)
> +	return TEST_SKIP;
> +#else
>  	int fd;
>  	unsigned long tmp, tmp1 = rand();
>  
> @@ -98,10 +107,15 @@ static int wp_wo_test(void)
>  
>  	close(fd);
>  	return 0;
> +#endif
>  }
>  
> -static int wp_rw_test(void)
> +static int test__wp_rw(struct test_suite *test __maybe_unused,
> +		       int subtest __maybe_unused)
>  {
> +#if defined(__s390x__)
> +	return TEST_SKIP;
> +#else
>  	int fd;
>  	unsigned long tmp, tmp1 = rand();
>  
> @@ -118,10 +132,15 @@ static int wp_rw_test(void)
>  
>  	close(fd);
>  	return 0;
> +#endif
>  }
>  
> -static int wp_modify_test(void)
> +static int test__wp_modify(struct test_suite *test __maybe_unused,
> +			   int subtest __maybe_unused)
>  {
> +#if defined(__s390x__)
> +	return TEST_SKIP;
> +#else
>  	int fd, ret;
>  	unsigned long tmp = rand();
>  	struct perf_event_attr new_attr;
> @@ -163,105 +182,18 @@ static int wp_modify_test(void)
>  
>  	close(fd);
>  	return 0;
> -}
> -
> -static bool wp_ro_supported(void)
> -{
> -#if defined (__x86_64__) || defined (__i386__)
> -	return false;
> -#else
> -	return true;
> -#endif
> -}
> -
> -static const char *wp_ro_skip_msg(void)
> -{
> -#if defined (__x86_64__) || defined (__i386__)
> -	return "missing hardware support";
> -#else
> -	return NULL;
>  #endif
>  }
>  
> -static struct {
> -	const char *desc;
> -	int (*target_func)(void);
> -	bool (*is_supported)(void);
> -	const char *(*skip_msg)(void);
> -} wp_testcase_table[] = {
> -	{
> -		.desc = "Read Only Watchpoint",
> -		.target_func = &wp_ro_test,
> -		.is_supported = &wp_ro_supported,
> -		.skip_msg = &wp_ro_skip_msg,
> -	},
> -	{
> -		.desc = "Write Only Watchpoint",
> -		.target_func = &wp_wo_test,
> -	},
> -	{
> -		.desc = "Read / Write Watchpoint",
> -		.target_func = &wp_rw_test,
> -	},
> -	{
> -		.desc = "Modify Watchpoint",
> -		.target_func = &wp_modify_test,
> -	},
> +static struct test_case wp_tests[] = {
> +	TEST_CASE_REASON("Read Only Watchpoint", wp_ro, "missing hardware support"),
> +	TEST_CASE_REASON("Write Only Watchpoint", wp_wo, "missing hardware support"),
> +	TEST_CASE_REASON("Read / Write Watchpoint", wp_rw, "missing hardware support"),
> +	TEST_CASE_REASON("Modify Watchpoint", wp_modify, "missing hardware support"),
> +	{ .name = NULL, }
>  };
>  
> -static int test__wp_subtest_get_nr(void)
> -{
> -	return (int)ARRAY_SIZE(wp_testcase_table);
> -}
> -
> -static const char *test__wp_subtest_get_desc(int i)
> -{
> -	if (i < 0 || i >= (int)ARRAY_SIZE(wp_testcase_table))
> -		return NULL;
> -	return wp_testcase_table[i].desc;
> -}
> -
> -static const char *test__wp_subtest_skip_reason(int i)
> -{
> -	if (i < 0 || i >= (int)ARRAY_SIZE(wp_testcase_table))
> -		return NULL;
> -	if (!wp_testcase_table[i].skip_msg)
> -		return NULL;
> -	return wp_testcase_table[i].skip_msg();
> -}
> -
> -static int test__wp(struct test_suite *test __maybe_unused, int i)
> -{
> -	if (i < 0 || i >= (int)ARRAY_SIZE(wp_testcase_table))
> -		return TEST_FAIL;
> -
> -	if (wp_testcase_table[i].is_supported &&
> -	    !wp_testcase_table[i].is_supported())
> -		return TEST_SKIP;
> -
> -	return !wp_testcase_table[i].target_func() ? TEST_OK : TEST_FAIL;
> -}
> -
> -/* The s390 so far does not have support for
> - * instruction breakpoint using the perf_event_open() system call.
> - */
> -static bool test__wp_is_supported(void)
> -{
> -#if defined(__s390x__)
> -	return false;
> -#else
> -	return true;
> -#endif
> -}
> -
>  struct test_suite suite__wp = {
>  	.desc = "Watchpoint",
> -	.func = test__wp,
> -	.is_supported = test__wp_is_supported,

hm, why do we get rid of this callback and instead use #ifdef 3 times above?

jirka

> -	.subtest = {
> -		.skip_if_fail	= false,
> -		.get_nr		= test__wp_subtest_get_nr,
> -		.get_desc	= test__wp_subtest_get_desc,
> -		.skip_reason    = test__wp_subtest_skip_reason,
> -	},
> +	.test_cases = wp_tests,
>  };
> -- 
> 2.33.0.882.g93a45727a2-goog
> 


  reply	other threads:[~2021-10-20 12:46 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-13 17:45 [PATCH v2 00/22] Start aligning perf test with kunit style Ian Rogers
2021-10-13 17:45 ` [PATCH v2 01/22] perf test: Use macro for "suite" declarations Ian Rogers
2021-10-13 17:45 ` [PATCH v2 02/22] perf test: Use macro for "suite" definitions Ian Rogers
2021-10-13 17:45 ` [PATCH v2 03/22] perf test: Make each test/suite its own struct Ian Rogers
2021-10-13 17:45 ` [PATCH v2 04/22] perf test: Move each test suite struct to its test Ian Rogers
2021-10-13 17:45 ` [PATCH v2 05/22] perf test: Rename struct test to test_suite Ian Rogers
2021-10-13 17:45 ` [PATCH v2 06/22] perf test: Add helper functions for abstraction Ian Rogers
2021-10-20 12:34   ` Jiri Olsa
2021-10-25 22:35     ` Ian Rogers
2021-10-13 17:45 ` [PATCH v2 07/22] perf test: Add test case struct Ian Rogers
2021-10-13 17:45 ` [PATCH v2 08/22] perf test: Add skip reason to test case Ian Rogers
2021-10-13 17:45 ` [PATCH v2 09/22] perf test: Convert pfm tests to use test cases Ian Rogers
2021-10-13 17:45 ` [PATCH v2 10/22] perf test: Convert pmu event tests to " Ian Rogers
2021-10-13 17:45 ` [PATCH v2 11/22] perf test: Convert watch point " Ian Rogers
2021-10-20 12:45   ` Jiri Olsa [this message]
2021-11-13 21:11   ` Arnaldo Carvalho de Melo
2021-10-13 17:45 ` [PATCH v2 12/22] perf test: Convert clang " Ian Rogers
2021-10-13 17:45 ` [PATCH v2 13/22] perf test: Convert bpf " Ian Rogers
2021-10-13 17:45 ` [PATCH v2 14/22] perf test: Convert llvm " Ian Rogers
2021-10-13 17:45 ` [PATCH v2 15/22] perf test: Remove now unused subtest helpers Ian Rogers
2021-10-13 17:45 ` [PATCH v2 16/22] perf test: bp tests use test case Ian Rogers
2021-10-13 17:45 ` [PATCH v2 17/22] perf test: Convert time to tsc test to " Ian Rogers
2021-10-13 17:46 ` [PATCH v2 18/22] perf test: Remove non test case style support Ian Rogers
2021-10-13 17:46 ` [PATCH v2 19/22] perf test: BP tests, remove is_supported use Ian Rogers
2021-10-13 17:46 ` [PATCH v2 20/22] perf test: TSC test, " Ian Rogers
2021-10-13 17:46 ` [PATCH v2 21/22] perf test: Remove is_supported function Ian Rogers
2021-10-20 13:06   ` Jiri Olsa
2021-10-13 17:46 ` [PATCH v2 22/22] perf test: Remove skip_if_fail Ian Rogers
2021-10-20 12:14 ` [PATCH v2 00/22] Start aligning perf test with kunit style Jiri Olsa
2021-10-20 15:51   ` Ian Rogers
2021-10-28 23:52     ` Ian Rogers
2021-10-29 12:19       ` Jiri Olsa
2021-11-03 19:15         ` Ian Rogers

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