* [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap
@ 2013-07-02 1:56 DAN LI
2013-07-02 13:00 ` chrubis
2013-07-02 13:05 ` Jan Stancek
0 siblings, 2 replies; 4+ messages in thread
From: DAN LI @ 2013-07-02 1:56 UTC (permalink / raw)
To: LTP list
Create test case for MAP_LOCKED of mmap.
Verify pages are locked by checking section "VmLck" of /proc/<pid>/status.
Signed-off-by: DAN LI <li.dan@cn.fujitsu.com>
---
runtest/syscalls | 1 +
testcases/kernel/syscalls/.gitignore | 1 +
testcases/kernel/syscalls/mmap/mmap14.c | 145 ++++++++++++++++++++++++++++++++
3 files changed, 147 insertions(+)
create mode 100644 testcases/kernel/syscalls/mmap/mmap14.c
Hi Jan，
v3:
Add root check.
Add mmap14 to ../.gitignore.
Regards,
DAN LI
diff --git a/runtest/syscalls b/runtest/syscalls
index 3ab19f5..beb8782 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -563,6 +563,7 @@ mmap08 mmap08
mmap09 mmap09
mmap12 mmap12
mmap13 mmap13
+mmap14 mmap14
# test is broken, mask it for now.
#mmap11 mmap11 -i 30000
diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore
index fede145..18d03d4 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -515,6 +515,7 @@
/mmap/mmap11
/mmap/mmap12
/mmap/mmap13
+/mmap/mmap14
/modify_ldt/modify_ldt01
/modify_ldt/modify_ldt02
/mount/mount01
diff --git a/testcases/kernel/syscalls/mmap/mmap14.c b/testcases/kernel/syscalls/mmap/mmap14.c
new file mode 100644
index 0000000..25bc48d
--- /dev/null
+++ b/testcases/kernel/syscalls/mmap/mmap14.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2013 FNST, DAN LI <li.dan@cn.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * Test Description:
+ * Verify MAP_LOCKED works fine.
+ * "Lock the pages of the mapped region into memory in the manner of mlock(2)."
+ *
+ * Expected Result:
+ * mmap() should succeed returning the address of the mapped region,
+ * and this region should be locked into memory.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <signal.h>
+#include <stdint.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+
+#include "test.h"
+#include "usctest.h"
+
+#define TEMPFILE "mmapfile"
+#define MMAPSIZE (1UL<<20)
+#define LINELEN 256
+
+char *TCID = "mmap14";
+int TST_TOTAL = 1;
+
+static char *addr;
+
+static void getvmlck(unsigned int *lock_sz);
+static void setup(void);
+static void cleanup(void);
+
+int main(int argc, char *argv[])
+{
+ int lc;
+ char *msg;
+ unsigned int sz_before;
+ unsigned int sz_after;
+ unsigned int sz_ch;
+
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+
+ tst_count = 0;
+
+ getvmlck(&sz_before);
+
+ addr = mmap(NULL, MMAPSIZE, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_LOCKED | MAP_ANONYMOUS,
+ -1, 0);
+
+ if (addr == MAP_FAILED) {
+ tst_resm(TFAIL | TERRNO, "mmap of %s failed", TEMPFILE);
+ continue;
+ }
+
+ if (STD_FUNCTIONAL_TEST) {
+
+ getvmlck(&sz_after);
+
+ sz_ch = sz_after - sz_before;
+ if (sz_ch == MMAPSIZE / 1024)
+ tst_resm(TPASS, "Functionality of mmap() "
+ "successful");
+ else
+ tst_resm(TFAIL, "Expected %luK locked, "
+ "get %uK locked",
+ MMAPSIZE / 1024, sz_ch);
+
+ } else {
+ tst_resm(TPASS, "call succeeded");
+ }
+
+ if (munmap(addr, MMAPSIZE) != 0)
+ tst_brkm(TFAIL | TERRNO, NULL, "munmap failed");
+ }
+
+ cleanup();
+ tst_exit();
+
+}
+
+void getvmlck(unsigned int *lock_sz)
+{
+ int ret;
+ char line[LINELEN];
+ FILE *fstatus = NULL;
+
+ fstatus = fopen("/proc/self/status", "r");
+ if (fstatus == NULL)
+ tst_brkm(TFAIL | TERRNO, NULL, "Open dev status failed");
+
+ while (fgets(line, LINELEN, fstatus) != NULL)
+ if (strstr(line, "VmLck") != NULL)
+ break;
+
+ ret = sscanf(line, "%*[^0-9]%d%*[^0-9]", lock_sz);
+ if (ret != 1)
+ tst_brkm(TFAIL | TERRNO, NULL, "Get lock size failed");
+
+ fclose(fstatus);
+}
+
+static void setup(void)
+{
+ tst_require_root(NULL);
+
+ tst_sig(FORK, DEF_HANDLER, cleanup);
+
+ TEST_PAUSE;
+}
+
+static void cleanup(void)
+{
+ TEST_CLEANUP;
+}
--
1.8.1
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap
2013-07-02 1:56 [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap DAN LI
@ 2013-07-02 13:00 ` chrubis
2013-07-02 13:05 ` Jan Stancek
1 sibling, 0 replies; 4+ messages in thread
From: chrubis @ 2013-07-02 13:00 UTC (permalink / raw)
To: DAN LI; +Cc: LTP list
Hi!
> Create test case for MAP_LOCKED of mmap.
>
> Verify pages are locked by checking section "VmLck" of /proc/<pid>/status.
>
Revieved-by: Cyril Hrubis <chrubis@suse.cz>
--
Cyril Hrubis
chrubis@suse.cz
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap
2013-07-02 1:56 [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap DAN LI
2013-07-02 13:00 ` chrubis
@ 2013-07-02 13:05 ` Jan Stancek
2013-07-02 13:59 ` chrubis
1 sibling, 1 reply; 4+ messages in thread
From: Jan Stancek @ 2013-07-02 13:05 UTC (permalink / raw)
To: DAN LI; +Cc: LTP list
----- Original Message -----
> From: "DAN LI" <li.dan@cn.fujitsu.com>
> To: "LTP list" <ltp-list@lists.sourceforge.net>
> Cc: "Jan Stancek" <jstancek@redhat.com>
> Sent: Tuesday, 2 July, 2013 3:56:17 AM
> Subject: [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap
>
>
>
> Create test case for MAP_LOCKED of mmap.
>
> Verify pages are locked by checking section "VmLck" of /proc/<pid>/status.
>
>
> Signed-off-by: DAN LI <li.dan@cn.fujitsu.com>
Reviewed-by: Jan Stancek <jstancek@redhat.com>
Looks good to me. You could probably remove some of those includes, but
that's just minor nit.
Regards,
Jan
> ---
> runtest/syscalls | 1 +
> testcases/kernel/syscalls/.gitignore | 1 +
> testcases/kernel/syscalls/mmap/mmap14.c | 145
> ++++++++++++++++++++++++++++++++
> 3 files changed, 147 insertions(+)
> create mode 100644 testcases/kernel/syscalls/mmap/mmap14.c
>
> Hi Jan，
>
> v3:
> Add root check.
> Add mmap14 to ../.gitignore.
>
> Regards,
> DAN LI
>
>
>
> diff --git a/runtest/syscalls b/runtest/syscalls
> index 3ab19f5..beb8782 100644
> --- a/runtest/syscalls
> +++ b/runtest/syscalls
> @@ -563,6 +563,7 @@ mmap08 mmap08
> mmap09 mmap09
> mmap12 mmap12
> mmap13 mmap13
> +mmap14 mmap14
> # test is broken, mask it for now.
> #mmap11 mmap11 -i 30000
>
> diff --git a/testcases/kernel/syscalls/.gitignore
> b/testcases/kernel/syscalls/.gitignore
> index fede145..18d03d4 100644
> --- a/testcases/kernel/syscalls/.gitignore
> +++ b/testcases/kernel/syscalls/.gitignore
> @@ -515,6 +515,7 @@
> /mmap/mmap11
> /mmap/mmap12
> /mmap/mmap13
> +/mmap/mmap14
> /modify_ldt/modify_ldt01
> /modify_ldt/modify_ldt02
> /mount/mount01
> diff --git a/testcases/kernel/syscalls/mmap/mmap14.c
> b/testcases/kernel/syscalls/mmap/mmap14.c
> new file mode 100644
> index 0000000..25bc48d
> --- /dev/null
> +++ b/testcases/kernel/syscalls/mmap/mmap14.c
> @@ -0,0 +1,145 @@
> +/*
> + * Copyright (c) 2013 FNST, DAN LI <li.dan@cn.fujitsu.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
> + * the GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
> USA
> + */
> +
> +/*
> + * Test Description:
> + * Verify MAP_LOCKED works fine.
> + * "Lock the pages of the mapped region into memory in the manner of
> mlock(2)."
> + *
> + * Expected Result:
> + * mmap() should succeed returning the address of the mapped region,
> + * and this region should be locked into memory.
> + */
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <sys/types.h>
> +#include <errno.h>
> +#include <unistd.h>
> +#include <fcntl.h>
> +#include <string.h>
> +#include <signal.h>
> +#include <stdint.h>
> +#include <sys/stat.h>
> +#include <sys/mman.h>
> +#include <sys/shm.h>
> +
> +#include "test.h"
> +#include "usctest.h"
> +
> +#define TEMPFILE "mmapfile"
> +#define MMAPSIZE (1UL<<20)
> +#define LINELEN 256
> +
> +char *TCID = "mmap14";
> +int TST_TOTAL = 1;
> +
> +static char *addr;
> +
> +static void getvmlck(unsigned int *lock_sz);
> +static void setup(void);
> +static void cleanup(void);
> +
> +int main(int argc, char *argv[])
> +{
> + int lc;
> + char *msg;
> + unsigned int sz_before;
> + unsigned int sz_after;
> + unsigned int sz_ch;
> +
> + msg = parse_opts(argc, argv, NULL, NULL);
> + if (msg != NULL)
> + tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
> +
> + setup();
> +
> + for (lc = 0; TEST_LOOPING(lc); lc++) {
> +
> + tst_count = 0;
> +
> + getvmlck(&sz_before);
> +
> + addr = mmap(NULL, MMAPSIZE, PROT_READ | PROT_WRITE,
> + MAP_PRIVATE | MAP_LOCKED | MAP_ANONYMOUS,
> + -1, 0);
> +
> + if (addr == MAP_FAILED) {
> + tst_resm(TFAIL | TERRNO, "mmap of %s failed", TEMPFILE);
> + continue;
> + }
> +
> + if (STD_FUNCTIONAL_TEST) {
> +
> + getvmlck(&sz_after);
> +
> + sz_ch = sz_after - sz_before;
> + if (sz_ch == MMAPSIZE / 1024)
> + tst_resm(TPASS, "Functionality of mmap() "
> + "successful");
> + else
> + tst_resm(TFAIL, "Expected %luK locked, "
> + "get %uK locked",
> + MMAPSIZE / 1024, sz_ch);
> +
> + } else {
> + tst_resm(TPASS, "call succeeded");
> + }
> +
> + if (munmap(addr, MMAPSIZE) != 0)
> + tst_brkm(TFAIL | TERRNO, NULL, "munmap failed");
> + }
> +
> + cleanup();
> + tst_exit();
> +
> +}
> +
> +void getvmlck(unsigned int *lock_sz)
> +{
> + int ret;
> + char line[LINELEN];
> + FILE *fstatus = NULL;
> +
> + fstatus = fopen("/proc/self/status", "r");
> + if (fstatus == NULL)
> + tst_brkm(TFAIL | TERRNO, NULL, "Open dev status failed");
> +
> + while (fgets(line, LINELEN, fstatus) != NULL)
> + if (strstr(line, "VmLck") != NULL)
> + break;
> +
> + ret = sscanf(line, "%*[^0-9]%d%*[^0-9]", lock_sz);
> + if (ret != 1)
> + tst_brkm(TFAIL | TERRNO, NULL, "Get lock size failed");
> +
> + fclose(fstatus);
> +}
> +
> +static void setup(void)
> +{
> + tst_require_root(NULL);
> +
> + tst_sig(FORK, DEF_HANDLER, cleanup);
> +
> + TEST_PAUSE;
> +}
> +
> +static void cleanup(void)
> +{
> + TEST_CLEANUP;
> +}
> --
> 1.8.1
>
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap
2013-07-02 13:05 ` Jan Stancek
@ 2013-07-02 13:59 ` chrubis
0 siblings, 0 replies; 4+ messages in thread
From: chrubis @ 2013-07-02 13:59 UTC (permalink / raw)
To: Jan Stancek; +Cc: LTP list
Hi!
> > Create test case for MAP_LOCKED of mmap.
> >
> > Verify pages are locked by checking section "VmLck" of /proc/<pid>/status.
> >
> >
> > Signed-off-by: DAN LI <li.dan@cn.fujitsu.com>
>
> Reviewed-by: Jan Stancek <jstancek@redhat.com>
>
> Looks good to me. You could probably remove some of those includes, but
> that's just minor nit.
Heh, it turned out that the only needed (among ltp test includes) are
stdio.h and sys/mman.h. Pushed with this change, thanks all involved.
--
Cyril Hrubis
chrubis@suse.cz
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^ permalink raw reply [flat|nested] 4+ messages in thread
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2013-07-02 1:56 [LTP] [PATCH v3] mmap/mmap14.c: new case to test MAP_LOCKED of mmap DAN LI
2013-07-02 13:00 ` chrubis
2013-07-02 13:05 ` Jan Stancek
2013-07-02 13:59 ` chrubis
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