Commit 44a8528c authored by Ian Rogers's avatar Ian Rogers Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Convert clang tests to test cases. 



Use null terminated array of test cases rather than the previous sub
test functions.

Signed-off-by: default avatarIan Rogers <irogers@google.com>
Tested-by: default avatarSohaib Mohamed <sohaib.amhmd@gmail.com>
Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Daniel Latypov <dlatypov@google.com>
Cc: David Gow <davidgow@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20211104064208.3156807-13-irogers@google.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e47c6eca

tools/perf/tests/clang.c

+17 −40
Original line number Diff line number Diff line
@@ -3,54 +3,31 @@ 
#include "c++/clang-c.h"

#include <linux/kernel.h>



static struct {

	int (*func)(void);

	const char *desc;

} clang_testcase_table[] = {

#ifdef HAVE_LIBCLANGLLVM_SUPPORT

	{

		.func = test__clang_to_IR,

		.desc = "builtin clang compile C source to IR",

	},

	{

		.func = test__clang_to_obj,

		.desc = "builtin clang compile C source to ELF object",

	},

#endif

};



static int test__clang_subtest_get_nr(void)

{

	return (int)ARRAY_SIZE(clang_testcase_table);

}



static const char *test__clang_subtest_get_desc(int i)

{

	if (i < 0 || i >= (int)ARRAY_SIZE(clang_testcase_table))

		return NULL;

	return clang_testcase_table[i].desc;

}



#ifndef HAVE_LIBCLANGLLVM_SUPPORT

static int test__clang(struct test_suite *test __maybe_unused, int i __maybe_unused)

static int test__clang_to_IR(struct test_suite *test __maybe_unused,

			     int subtest __maybe_unused)

{

	return TEST_SKIP;

}

#else

static int test__clang(struct test_suite *test __maybe_unused, int i)



static int test__clang_to_obj(struct test_suite *test __maybe_unused,

			      int subtest __maybe_unused)

{

	if (i < 0 || i >= (int)ARRAY_SIZE(clang_testcase_table))

		return TEST_FAIL;

	return clang_testcase_table[i].func();

	return TEST_SKIP;

}

#endif



static struct test_case clang_tests[] = {

	TEST_CASE_REASON("builtin clang compile C source to IR", clang_to_IR,

			 "not compiled in"),

	TEST_CASE_REASON("builtin clang compile C source to ELF object",

			 clang_to_obj,

			 "not compiled in"),

	{ .name = NULL, }

};



struct test_suite suite__clang = {

	.desc = "builtin clang support",

	.func = test__clang,

	.subtest = {

		.skip_if_fail	= true,

		.get_nr		= test__clang_subtest_get_nr,

		.get_desc	= test__clang_subtest_get_desc,

	}

	.test_cases = clang_tests,

	.subtest = { .skip_if_fail = true, },

};

tools/perf/util/c++/clang-c.h

+3 −5
Original line number Diff line number Diff line
@@ -12,8 +12,9 @@ extern "C" { 
extern void perf_clang__init(void);

extern void perf_clang__cleanup(void);



extern int test__clang_to_IR(void);

extern int test__clang_to_obj(void);

struct test_suite;

extern int test__clang_to_IR(struct test_suite *test, int subtest);

extern int test__clang_to_obj(struct test_suite *test, int subtest);



extern int perf_clang__compile_bpf(const char *filename,

				   void **p_obj_buf,
@@ -26,9 +27,6 @@ extern int perf_clang__compile_bpf(const char *filename, 
static inline void perf_clang__init(void) { }

static inline void perf_clang__cleanup(void) { }



static inline int test__clang_to_IR(void) { return -1; }

static inline int test__clang_to_obj(void) { return -1;}



static inline int

perf_clang__compile_bpf(const char *filename __maybe_unused,

			void **p_obj_buf __maybe_unused,

tools/perf/util/c++/clang-test.cpp

+4 −2
Original line number Diff line number Diff line
@@ -35,7 +35,8 @@ __test__clang_to_IR(void) 
}



extern "C" {

int test__clang_to_IR(void)

int test__clang_to_IR(struct test_suite *test __maybe_unused,

                      int subtest __maybe_unused)

{

	perf_clang_scope _scope;
@@ -48,7 +49,8 @@ int test__clang_to_IR(void) 
	return -1;

}



int test__clang_to_obj(void)

int test__clang_to_obj(struct test_suite *test __maybe_unused,

                       int subtest __maybe_unused)

{

	perf_clang_scope _scope;