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perf test: Add helper functions for abstraction. 

Abstract certain test features so that they can be refactored in later
changes. No functional change.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Sohaib Mohamed <sohaib.amhmd@gmail.com>
Acked-by: Jiri 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/20211104064208.3156807-7-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2021-11-03 23:41:52 -07:00 committed by Arnaldo Carvalho de Melo
parent 33f44bfd3c
commit f832044c8e
2 changed files with 71 additions and 29 deletions
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94
tools/perf/tests/builtin-test.c
View File

@ -115,6 +115,45 @@ static struct test_suite **tests[] = {
arch_tests,
};
static int num_subtests(const struct test_suite *t)
{
if (t->subtest.get_nr)
return t->subtest.get_nr();
return 0;
}
static bool has_subtests(const struct test_suite *t)
{
return t->subtest.get_nr || num_subtests(t) > 1;
}
static const char *skip_reason(const struct test_suite *t, int subtest)
{
if (t->subtest.skip_reason)
return t->subtest.skip_reason(subtest);
return NULL;
}
static const char *test_description(const struct test_suite *t, int subtest)
{
if (subtest < 0 || !t->subtest.get_desc)
return t->desc;
return t->subtest.get_desc(subtest);
}
static bool is_supported(const struct test_suite *t)
{
return !t->is_supported || t->is_supported();
}
static test_fnptr test_function(const struct test_suite *t, int subtest __maybe_unused)
{
return t->func;
}
static bool perf_test__matches(const char *desc, int curr, int argc, const char *argv[])
{
int i;
@ -171,7 +210,7 @@ static int run_test(struct test_suite *test, int subtest)
}
}
err = test->func(test, subtest);
err = test_function(test, subtest)(test, subtest);
if (!dont_fork)
exit(err);
}
@ -208,7 +247,7 @@ static int test_and_print(struct test_suite *t, bool force_skip, int subtest)
err = TEST_SKIP;
}
if (!t->subtest.get_nr)
if (!has_subtests(t))
pr_debug("%s:", t->desc);
else
pr_debug("%s subtest %d:", t->desc, subtest + 1);
@ -218,11 +257,10 @@ static int test_and_print(struct test_suite *t, bool force_skip, int subtest)
pr_info(" Ok\n");
break;
case TEST_SKIP: {
const char *skip_reason = NULL;
if (t->subtest.skip_reason)
skip_reason = t->subtest.skip_reason(subtest);
if (skip_reason)
color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (%s)\n", skip_reason);
const char *reason = skip_reason(t, subtest);
if (reason)
color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (%s)\n", reason);
else
color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip\n");
}
@ -397,7 +435,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
int width = shell_tests__max_desc_width();
for_each_test(j, k, t) {
int len = strlen(t->desc);
int len = strlen(test_description(t, -1));
if (width < len)
width = len;
@ -407,17 +445,15 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
int curr = i++, err;
int subi;
if (!perf_test__matches(t->desc, curr, argc, argv)) {
if (!perf_test__matches(test_description(t, -1), curr, argc, argv)) {
bool skip = true;
int subn;
if (!t->subtest.get_nr)
continue;
subn = t->subtest.get_nr();
subn = num_subtests(t);
for (subi = 0; subi < subn; subi++) {
if (perf_test__matches(t->subtest.get_desc(subi), curr, argc, argv))
if (perf_test__matches(test_description(t, subi),
curr, argc, argv))
skip = false;
}
@ -425,22 +461,23 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
continue;
}
if (t->is_supported && !t->is_supported()) {
pr_debug("%2d: %-*s: Disabled\n", i, width, t->desc);
if (!is_supported(t)) {
pr_debug("%2d: %-*s: Disabled\n", i, width,
test_description(t, -1));
continue;
}
pr_info("%2d: %-*s:", i, width, t->desc);
pr_info("%2d: %-*s:", i, width, test_description(t, -1));
if (intlist__find(skiplist, i)) {
color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n");
continue;
}
if (!t->subtest.get_nr) {
if (!has_subtests(t)) {
test_and_print(t, false, -1);
} else {
int subn = t->subtest.get_nr();
int subn = num_subtests(t);
/*
* minus 2 to align with normal testcases.
* For subtest we print additional '.x' in number.
@ -460,18 +497,19 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
pr_info("\n");
for (subi = 0; subi < subn; subi++) {
int len = strlen(t->subtest.get_desc(subi));
int len = strlen(test_description(t, subi));
if (subw < len)
subw = len;
}
for (subi = 0; subi < subn; subi++) {
if (!perf_test__matches(t->subtest.get_desc(subi), curr, argc, argv))
if (!perf_test__matches(test_description(t, subi),
curr, argc, argv))
continue;
pr_info("%2d.%1d: %-*s:", i, subi + 1, subw,
t->subtest.get_desc(subi));
test_description(t, subi));
err = test_and_print(t, skip, subi);
if (err != TEST_OK && t->subtest.skip_if_fail)
skip = true;
@ -526,19 +564,19 @@ static int perf_test__list(int argc, const char **argv)
for_each_test(j, k, t) {
int curr = i++;
if (!perf_test__matches(t->desc, curr, argc, argv) ||
(t->is_supported && !t->is_supported()))
if (!perf_test__matches(test_description(t, -1), curr, argc, argv) ||
!is_supported(t))
continue;
pr_info("%2d: %s\n", i, t->desc);
pr_info("%2d: %s\n", i, test_description(t, -1));
if (t->subtest.get_nr) {
int subn = t->subtest.get_nr();
if (has_subtests(t)) {
int subn = num_subtests(t);
int subi;
for (subi = 0; subi < subn; subi++)
pr_info("%2d:%1d: %s\n", i, subi + 1,
t->subtest.get_desc(subi));
test_description(t, subi));
}
}

6
tools/perf/tests/tests.h
View File

@ -27,9 +27,13 @@ enum {
TEST_SKIP = -2,
};
struct test_suite;
typedef int (*test_fnptr)(struct test_suite *, int);
struct test_suite {
const char *desc;
int (*func)(struct test_suite *test, int subtest);
test_fnptr func;
struct {
bool skip_if_fail;
int (*get_nr)(void);