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Message-Id: <20220714031717.12258-1-remckee0@gmail.com>
Date: Wed, 13 Jul 2022 22:17:17 -0500
From: Rebecca Mckeever <remckee0@...il.com>
To: Mike Rapoport <rppt@...nel.org>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Cc: David Hildenbrand <david@...hat.com>,
Rebecca Mckeever <remckee0@...il.com>
Subject: [PATCH] memblock tests: change build options to run-time options
Change verbose and movable node build options to run-time options.
Movable node usage:
$ ./main -m
Or:
$ ./main --movable-node
Verbose usage:
$ ./main -v
Or:
$ ./main --verbose
Signed-off-by: Rebecca Mckeever <remckee0@...il.com>
---
tools/testing/memblock/Makefile | 5 --
tools/testing/memblock/linux/memory_hotplug.h | 8 +-
tools/testing/memblock/main.c | 2 +
.../testing/memblock/scripts/Makefile.include | 10 ---
tools/testing/memblock/tests/common.c | 86 ++++++++++++++++---
tools/testing/memblock/tests/common.h | 10 +--
6 files changed, 79 insertions(+), 42 deletions(-)
diff --git a/tools/testing/memblock/Makefile b/tools/testing/memblock/Makefile
index 9fde49ad73bd..246f7ac8489b 100644
--- a/tools/testing/memblock/Makefile
+++ b/tools/testing/memblock/Makefile
@@ -45,13 +45,8 @@ help:
@echo ' clean - Remove generated files and symlinks in the directory'
@echo ''
@echo 'Configuration:'
- @echo ' make VERBOSE=1 - enable verbose output, which includes the'
- @echo ' names of functions being tested and the'
- @echo ' number of test cases passing'
@echo ' make MEMBLOCK_DEBUG=1 - enable memblock_dbg() messages'
@echo ' make NUMA=1 - simulate enabled NUMA'
- @echo ' make MOVABLE_NODE=1 - override `movable_node_is_enabled`'
- @echo ' definition to simulate movable NUMA nodes'
@echo ' make 32BIT_PHYS_ADDR_T=1 - Use 32 bit physical addresses'
vpath %.c ../../lib
diff --git a/tools/testing/memblock/linux/memory_hotplug.h b/tools/testing/memblock/linux/memory_hotplug.h
index 47988765a219..dabe2c556858 100644
--- a/tools/testing/memblock/linux/memory_hotplug.h
+++ b/tools/testing/memblock/linux/memory_hotplug.h
@@ -7,13 +7,11 @@
#include <linux/cache.h>
#include <linux/types.h>
+extern bool movable_node_enabled;
+
static inline bool movable_node_is_enabled(void)
{
-#ifdef MOVABLE_NODE
- return true;
-#else
- return false;
-#endif
+ return movable_node_enabled;
}
#endif
diff --git a/tools/testing/memblock/main.c b/tools/testing/memblock/main.c
index fb183c9e76d1..4ca1024342b1 100644
--- a/tools/testing/memblock/main.c
+++ b/tools/testing/memblock/main.c
@@ -3,9 +3,11 @@
#include "tests/alloc_api.h"
#include "tests/alloc_helpers_api.h"
#include "tests/alloc_nid_api.h"
+#include "tests/common.h"
int main(int argc, char **argv)
{
+ parse_args(argc, argv);
memblock_basic_checks();
memblock_alloc_checks();
memblock_alloc_helpers_checks();
diff --git a/tools/testing/memblock/scripts/Makefile.include b/tools/testing/memblock/scripts/Makefile.include
index 4401f79bed4c..aa6d82d56a23 100644
--- a/tools/testing/memblock/scripts/Makefile.include
+++ b/tools/testing/memblock/scripts/Makefile.include
@@ -6,11 +6,6 @@ ifeq ($(NUMA), 1)
CFLAGS += -D CONFIG_NUMA
endif
-# Simulate movable NUMA memory regions
-ifeq ($(MOVABLE_NODE), 1)
- CFLAGS += -D MOVABLE_NODE
-endif
-
# Use 32 bit physical addresses.
# Remember to install 32-bit version of dependencies.
ifeq ($(32BIT_PHYS_ADDR_T), 1)
@@ -18,11 +13,6 @@ ifeq ($(32BIT_PHYS_ADDR_T), 1)
LDFLAGS += -m32
endif
-# Enable verbose testing output
-ifeq ($(VERBOSE), 1)
- CFLAGS += -D VERBOSE
-endif
-
# Enable memblock_dbg() messages
ifeq ($(MEMBLOCK_DEBUG), 1)
CFLAGS += -D MEMBLOCK_DEBUG
diff --git a/tools/testing/memblock/tests/common.c b/tools/testing/memblock/tests/common.c
index ebc06b4c3255..24ce4135a83d 100644
--- a/tools/testing/memblock/tests/common.c
+++ b/tools/testing/memblock/tests/common.c
@@ -1,6 +1,9 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "tests/common.h"
#include <string.h>
+#include <getopt.h>
+#include <linux/memory_hotplug.h>
+#include <linux/build_bug.h>
#define INIT_MEMBLOCK_REGIONS 128
#define INIT_MEMBLOCK_RESERVED_REGIONS INIT_MEMBLOCK_REGIONS
@@ -11,6 +14,27 @@ static struct test_memory memory_block;
static const char __maybe_unused *prefixes[PREFIXES_MAX];
static int __maybe_unused nr_prefixes;
+static const char *short_opts = "mv";
+static const struct option long_opts[] = {
+ {"movable-node", 0, NULL, 'm'},
+ {"verbose", 0, NULL, 'v'},
+ {NULL, 0, NULL, 0}
+};
+
+static const char * const help_opts[] = {
+ "disallow allocations from regions marked as hotplugged\n\t\t\t"
+ "by simulating enabling the \"movable_node\" kernel\n\t\t\t"
+ "parameter",
+ "enable verbose output, which includes the name of the\n\t\t\t"
+ "memblock function being tested, the name of the test,\n\t\t\t"
+ "and whether the test passed or failed."
+};
+
+static int verbose;
+
+/* sets global variable returned by movable_node_is_enabled() stub */
+bool movable_node_enabled;
+
void reset_memblock_regions(void)
{
memset(memblock.memory.regions, 0,
@@ -51,7 +75,38 @@ void dummy_physical_memory_cleanup(void)
free(memory_block.base);
}
-#ifdef VERBOSE
+static void usage(const char *prog)
+{
+ printf("Usage: %s [-%s]\n", prog, short_opts);
+
+ BUILD_BUG_ON(ARRAY_SIZE(help_opts) != ARRAY_SIZE(long_opts) - 1);
+ for (int i = 0; long_opts[i].name; i++) {
+ printf(" -%c, --%-12s\t%s\n", long_opts[i].val,
+ long_opts[i].name, help_opts[i]);
+ }
+
+ exit(1);
+}
+
+void parse_args(int argc, char **argv)
+{
+ int c;
+
+ while ((c = getopt_long_only(argc, argv, short_opts, long_opts,
+ NULL)) != -1) {
+ switch (c) {
+ case 'm':
+ movable_node_enabled = true;
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+}
+
void print_prefixes(const char *postfix)
{
for (int i = 0; i < nr_prefixes; i++)
@@ -61,25 +116,31 @@ void print_prefixes(const char *postfix)
void test_fail(void)
{
- ksft_test_result_fail(": ");
- print_prefixes("failed\n");
+ if (verbose) {
+ ksft_test_result_fail(": ");
+ print_prefixes("failed\n");
+ }
}
void test_pass(void)
{
- ksft_test_result_pass(": ");
- print_prefixes("passed\n");
+ if (verbose) {
+ ksft_test_result_pass(": ");
+ print_prefixes("passed\n");
+ }
}
void test_print(const char *fmt, ...)
{
- int saved_errno = errno;
- va_list args;
-
- va_start(args, fmt);
- errno = saved_errno;
- vprintf(fmt, args);
- va_end(args);
+ if (verbose) {
+ int saved_errno = errno;
+ va_list args;
+
+ va_start(args, fmt);
+ errno = saved_errno;
+ vprintf(fmt, args);
+ va_end(args);
+ }
}
void prefix_reset(void)
@@ -102,4 +163,3 @@ void prefix_pop(void)
nr_prefixes--;
}
}
-#endif /* VERBOSE */
diff --git a/tools/testing/memblock/tests/common.h b/tools/testing/memblock/tests/common.h
index 46de86a755f3..3e7f23d341d7 100644
--- a/tools/testing/memblock/tests/common.h
+++ b/tools/testing/memblock/tests/common.h
@@ -70,22 +70,14 @@ void reset_memblock_attributes(void);
void setup_memblock(void);
void dummy_physical_memory_init(void);
void dummy_physical_memory_cleanup(void);
+void parse_args(int argc, char **argv);
-#ifdef VERBOSE
void test_fail(void);
void test_pass(void);
void test_print(const char *fmt, ...);
void prefix_reset(void);
void prefix_push(const char *prefix);
void prefix_pop(void);
-#else
-static inline void test_fail(void) {}
-static inline void test_pass(void) {}
-static inline void test_print(const char *fmt, ...) {}
-static inline void prefix_reset(void) {}
-static inline void prefix_push(const char *prefix) {}
-static inline void prefix_pop(void) {}
-#endif /* VERBOSE */
static inline void test_pass_pop(void)
{
--
2.34.1
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