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Message-Id: <20211013174604.747276-7-irogers@google.com>
Date: Wed, 13 Oct 2021 10:45:48 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Jin Yao <yao.jin@...ux.intel.com>,
John Garry <john.garry@...wei.com>,
"Paul A . Clarke" <pc@...ibm.com>,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
Brendan Higgins <brendanhiggins@...gle.com>,
Daniel Latypov <dlatypov@...gle.com>,
David Gow <davidgow@...gle.com>
Cc: eranian@...gle.com, Ian Rogers <irogers@...gle.com>
Subject: [PATCH v2 06/22] 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@...gle.com>
---
tools/perf/tests/builtin-test.c | 94 +++++++++++++++++++++++----------
tools/perf/tests/tests.h | 6 ++-
2 files changed, 71 insertions(+), 29 deletions(-)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 7d52e2eb8147..96eb486ffbc9 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -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));
}
}
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index c95b0de9f822..5139e24973cc 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -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);
--
2.33.0.882.g93a45727a2-goog
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