[LTP] [PATCH] hugetlb: checking if hugepage is supported on target system
Li Wang
liwang@redhat.com
Wed Nov 25 09:22:06 CET 2015
Hi all, how about changging these codes in testcases to check if
system support hugepage?
Signed-off-by: Li Wang <liwang@redhat.com>
---
testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c | 4 ++++
testcases/kernel/mem/hugetlb/hugemmap/hugemmap02.c | 4 ++++
testcases/kernel/mem/hugetlb/hugemmap/hugemmap04.c | 4 ++++
testcases/kernel/mem/hugetlb/hugemmap/hugemmap05.c | 28 ++++++++++++----------
.../kernel/mem/hugetlb/hugeshmat/hugeshmat01.c | 3 +++
.../kernel/mem/hugetlb/hugeshmat/hugeshmat02.c | 3 +++
.../kernel/mem/hugetlb/hugeshmat/hugeshmat03.c | 3 +++
.../kernel/mem/hugetlb/hugeshmat/hugeshmat04.c | 3 +++
.../kernel/mem/hugetlb/hugeshmctl/hugeshmctl01.c | 3 +++
.../kernel/mem/hugetlb/hugeshmctl/hugeshmctl02.c | 3 +++
.../kernel/mem/hugetlb/hugeshmctl/hugeshmctl03.c | 3 +++
.../kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c | 3 +++
.../kernel/mem/hugetlb/hugeshmget/hugeshmget01.c | 3 +++
.../kernel/mem/hugetlb/hugeshmget/hugeshmget02.c | 3 +++
.../kernel/mem/hugetlb/hugeshmget/hugeshmget03.c | 3 +++
.../kernel/mem/hugetlb/hugeshmget/hugeshmget05.c | 4 ++++
testcases/kernel/mem/include/mem.h | 1 +
testcases/kernel/syscalls/futex/futex_wake04.c | 4 ++++
18 files changed, 69 insertions(+), 13 deletions(-)
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
index 62c3cc8..cae0b78 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
+++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
@@ -159,6 +159,10 @@ void setup(void)
{
TEST_PAUSE;
tst_require_root();
+
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
if (mount("none", Hopt, "hugetlbfs", 0, NULL) < 0)
tst_brkm(TBROK | TERRNO, NULL, "mount failed on %s", Hopt);
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap02.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap02.c
index 9fee330..1187b38 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap02.c
+++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap02.c
@@ -93,6 +93,9 @@ int main(int ac, char **av)
tst_parse_opts(ac, av, options, &help);
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
if (!Hflag) {
tst_tmpdir();
Hopt = tst_get_tmpdir();
@@ -200,6 +203,7 @@ void setup(void)
{
TEST_PAUSE;
tst_require_root();
+
if (mount("none", Hopt, "hugetlbfs", 0, NULL) < 0)
tst_brkm(TBROK | TERRNO, NULL, "mount failed on %s", Hopt);
orig_hugepages = get_sys_tune("nr_hugepages");
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap04.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap04.c
index 727b102..0b7bc86 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap04.c
+++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap04.c
@@ -175,6 +175,10 @@ void setup(void)
{
TEST_PAUSE;
tst_require_root();
+
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
if (mount("none", Hopt, "hugetlbfs", 0, NULL) < 0)
tst_brkm(TBROK | TERRNO, NULL, "mount failed on %s", Hopt);
orig_hugepages = get_sys_tune("nr_hugepages");
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap05.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap05.c
index 8dac97a..7dcf87a 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap05.c
+++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap05.c
@@ -48,6 +48,7 @@
#include <string.h>
#include <ctype.h>
#include "test.h"
+#include "mem.h"
#define PROTECTION (PROT_READ | PROT_WRITE)
#define PATH_MEMINFO "/proc/meminfo"
@@ -97,9 +98,7 @@ static option_t options[] = {
{NULL, NULL, NULL}
};
-static void setup(void);
-static void cleanup(void);
-static void overcommit(void);
+static void overcommit1(void);
static void write_bytes(void *addr);
static void read_bytes(void *addr);
static int lookup(char *line, char *pattern);
@@ -132,13 +131,13 @@ int main(int argc, char *argv[])
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
- overcommit();
+ overcommit1();
}
cleanup();
tst_exit();
}
-static void overcommit(void)
+static void overcommit1(void)
{
void *addr = NULL, *shmaddr = NULL;
int fd = -1, key = -1;
@@ -245,7 +244,7 @@ static void overcommit(void)
}
}
-static void cleanup(void)
+void cleanup(void)
{
int fd;
@@ -253,7 +252,7 @@ static void cleanup(void)
fd = open(PATH_SHMMAX, O_WRONLY);
if (fd == -1)
tst_resm(TWARN | TERRNO, "open");
- if (write(fd, shmmax, strlen(shmmax)) != strlen(shmmax))
+ if ((unsigned int)write(fd, shmmax, strlen(shmmax)) != strlen(shmmax))
tst_resm(TWARN | TERRNO, "write");
close(fd);
}
@@ -261,7 +260,7 @@ static void cleanup(void)
if (fd == -1)
tst_resm(TWARN | TERRNO, "open");
tst_resm(TINFO, "restore nr_hugepages to %s.", nr_hugepages);
- if (write(fd, nr_hugepages,
+ if ((unsigned int)write(fd, nr_hugepages,
strlen(nr_hugepages)) != strlen(nr_hugepages))
tst_resm(TWARN | TERRNO, "write");
close(fd);
@@ -271,7 +270,7 @@ static void cleanup(void)
tst_resm(TWARN | TERRNO, "open");
tst_resm(TINFO, "restore nr_overcommit_hugepages to %s.",
nr_overcommit_hugepages);
- if (write(fd, nr_overcommit_hugepages, strlen(nr_overcommit_hugepages))
+ if ((unsigned int)write(fd, nr_overcommit_hugepages, strlen(nr_overcommit_hugepages))
!= strlen(nr_overcommit_hugepages))
tst_resm(TWARN | TERRNO, "write");
close(fd);
@@ -287,7 +286,7 @@ static void cleanup(void)
tst_rmdir();
}
-static void setup(void)
+void setup(void)
{
FILE *fp;
int fd;
@@ -321,7 +320,7 @@ static void setup(void)
tst_brkm(TBROK | TERRNO, cleanup, "open");
snprintf(buf, BUFSIZ, "%ld",
(long)(length / 2 * hugepagesize));
- if (write(fd, buf, strlen(buf)) != strlen(buf))
+ if ((unsigned int)write(fd, buf, strlen(buf)) != strlen(buf))
tst_brkm(TBROK | TERRNO, cleanup,
"failed to change shmmax.");
}
@@ -345,7 +344,7 @@ static void setup(void)
if (lseek(fd, 0, SEEK_SET) == -1)
tst_brkm(TBROK | TERRNO, cleanup, "lseek");
snprintf(buf, BUFSIZ, "%zd", size);
- if (write(fd, buf, strlen(buf)) != strlen(buf))
+ if ((unsigned int)write(fd, buf, strlen(buf)) != strlen(buf))
tst_brkm(TBROK | TERRNO, cleanup,
"failed to change nr_hugepages.");
close(fd);
@@ -369,7 +368,7 @@ static void setup(void)
if (lseek(fd, 0, SEEK_SET) == -1)
tst_brkm(TBROK | TERRNO, cleanup, "lseek");
snprintf(buf, BUFSIZ, "%zd", size);
- if (write(fd, buf, strlen(buf)) != strlen(buf))
+ if ((unsigned int)write(fd, buf, strlen(buf)) != strlen(buf))
tst_brkm(TBROK | TERRNO, cleanup,
"failed to change nr_hugepages.");
close(fd);
@@ -467,6 +466,9 @@ static void init_hugepagesize(void)
{
FILE *fp;
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
memset(buf, -1, BUFSIZ);
fp = fopen(PATH_MEMINFO, "r");
if (fp == NULL)
diff --git a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat01.c b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat01.c
index 851d4cf..31192c5 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat01.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat01.c
@@ -212,6 +212,9 @@ void setup(void)
tst_sig(NOFORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat02.c b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat02.c
index 52348f1..0c809ea 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat02.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat02.c
@@ -128,6 +128,9 @@ void setup(void)
tst_sig(NOFORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat03.c b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat03.c
index 723c8b5..ba73ded 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat03.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat03.c
@@ -134,6 +134,9 @@ void setup(void)
tst_sig(FORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c
index f631a0a..8a7f88e 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c
@@ -127,6 +127,9 @@ void setup(void)
tst_require_root();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
mem_total = read_meminfo("MemTotal:");
SAFE_FILE_SCANF(NULL, PATH_SHMMAX, "%ld", &orig_shmmax);
SAFE_FILE_PRINTF(NULL, PATH_SHMMAX, "%ld", (long)SIZE);
diff --git a/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl01.c b/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl01.c
index 66ad1b5..ff04ca5 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl01.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl01.c
@@ -395,6 +395,9 @@ void setup(void)
tst_sig(FORK, sighandler, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl02.c b/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl02.c
index 4aeb638..c085c09 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl02.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl02.c
@@ -133,6 +133,9 @@ void setup(void)
tst_sig(NOFORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl03.c b/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl03.c
index 9f5c2c9..7f99acb 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl03.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmctl/hugeshmctl03.c
@@ -159,6 +159,9 @@ void setup(void)
tst_sig(FORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c b/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c
index 9770e87..7f775a4 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c
@@ -168,6 +168,9 @@ void setup(void)
tst_sig(NOFORK, sighandler, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget01.c b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget01.c
index ee82de3..46e6949 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget01.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget01.c
@@ -146,6 +146,9 @@ void setup(void)
tst_sig(NOFORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget02.c b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget02.c
index b995ef8..55bd860 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget02.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget02.c
@@ -141,6 +141,9 @@ void setup(void)
tst_sig(NOFORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget03.c b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget03.c
index 9284669..8a69258 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget03.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget03.c
@@ -116,6 +116,9 @@ void setup(void)
tst_sig(NOFORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget05.c b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget05.c
index 7b8f6b4..ff410e9 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget05.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmget/hugeshmget05.c
@@ -138,6 +138,10 @@ void setup(void)
tst_sig(FORK, DEF_HANDLER, cleanup);
tst_tmpdir();
+
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
hpage_size = read_meminfo("Hugepagesize:") * 1024;
diff --git a/testcases/kernel/mem/include/mem.h b/testcases/kernel/mem/include/mem.h
index 4a18799..b8a3d6f 100644
--- a/testcases/kernel/mem/include/mem.h
+++ b/testcases/kernel/mem/include/mem.h
@@ -62,6 +62,7 @@ void thp_usage(void);
/* HUGETLB */
#define PATH_SHMMAX "/proc/sys/kernel/shmmax"
+#define PATH_HUGEPAGES "/sys/kernel/mm/hugepages/"
void write_memcg(void);
void create_same_memory(int size, int num, int unit);
diff --git a/testcases/kernel/syscalls/futex/futex_wake04.c b/testcases/kernel/syscalls/futex/futex_wake04.c
index dcefde8..d044ba5 100644
--- a/testcases/kernel/syscalls/futex/futex_wake04.c
+++ b/testcases/kernel/syscalls/futex/futex_wake04.c
@@ -50,6 +50,7 @@
#define PATH_MEMINFO "/proc/meminfo"
#define PATH_NR_HUGEPAGES "/proc/sys/vm/nr_hugepages"
+#define PATH_HUGEPAGES "/sys/kernel/mm/hugepages/"
const char *TCID = "futex_wake04";
const int TST_TOTAL = 1;
@@ -69,6 +70,9 @@ static void setup(void)
"that are 2.6.32 or higher");
}
+ if (access(PATH_HUGEPAGES, F_OK) == -1)
+ tst_brkm(TCONF, NULL, "Huge page is not supported.");
+
tst_tmpdir();
SAFE_FILE_SCANF(NULL, PATH_NR_HUGEPAGES, "%ld", &orig_hugepages);
--
1.8.3.1
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