Signed-off-by: Tang Chen <[email protected]>
---
testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c | 63 +++++++------------
1 files changed, 23 insertions(+), 40 deletions(-)
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
index 874f736..e986721 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
+++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
@@ -73,53 +73,30 @@
#include "test.h"
#include "usctest.h"
#include "system_specific_hugepages_info.h"
+#include "lib/libmnt.h"
#define BUFFER_SIZE 256
-char* TEMPFILE="mmapfile";
+char TEMPFILE[MAXPATHLEN];
char *TCID="hugemmap01"; /* Test program identifier. */
int TST_TOTAL=1; /* Total number of test cases. */
long *addr; /* addr of memory mapped region */
int fildes; /* file descriptor for tempfile */
-char *Hopt; /* location of hugetlbfs */
-int beforetest=0; /* Amount of free huge pages before testing */
-int aftertest=0; /* Amount of free huge pages after testing */
int hugepagesmapped=0; /* Amount of huge pages mapped after testing */
+int free_huge_before=0;
+int free_huge_after=0;
+char *mount_point=NULL;
-void setup(); /* Main setup function of test */
-void cleanup(); /* cleanup function for the test */
-
-void help()
-{
- printf(" -H /.. Location of hugetlbfs, i.e. -H /var/hugetlbfs \n");
-}
+void setup(void); /* Main setup function of test */
+void cleanup(void); /* cleanup function for the test */
int
main(int ac, char **av)
{
int lc; /* loop counter */
- char *msg; /* message returned from parse_opts */
- int Hflag=0; /* binary flag: opt or not */
int page_sz=0;
- option_t options[] = {
- { "H:", &Hflag, &Hopt }, /* Required for location of
hugetlbfs */
- { NULL, NULL, NULL } /* NULL required to end array */
- };
-
- /* Parse standard options given to run the test. */
- msg = parse_opts(ac, av, options, &help);
- if (msg != (char *) NULL) {
- tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s, use -help",
msg);
- tst_exit();
- }
-
- if (Hflag == 0) {
- tst_brkm(TBROK, NULL, "-H option is REQUIRED for this test, use
-h for options help");
- tst_exit();
- }
-
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
@@ -134,7 +111,7 @@ main(int ac, char **av)
Tst_count=0;
/* Note the number of free huge pages BEFORE testing */
- beforetest = get_no_of_free_hugepages();
+ free_huge_before = get_no_of_free_hugepages();
/* Note the size of huge page size BEFORE testing */
page_sz = hugepages_size();
@@ -159,8 +136,8 @@ main(int ac, char **av)
}
/* Make sure the number of free huge pages AFTER testing
decreased */
- aftertest = get_no_of_free_hugepages();
- hugepagesmapped = beforetest - aftertest;
+ free_huge_after = get_no_of_free_hugepages();
+ hugepagesmapped = free_huge_before - free_huge_after;
if (hugepagesmapped < 1) {
tst_resm(TWARN,"Number of HUGEPAGES_FREE stayed the
same. Okay if");
tst_resm(TWARN,"multiple copies running due to test
collision.");
@@ -189,18 +166,22 @@ main(int ac, char **av)
* Write some known data into file and get the size of the file.
*/
void
-setup()
+setup(void)
{
- char mypid[40];
-
- sprintf(mypid,"/%d",getpid());
- TEMPFILE=strcat(mypid,TEMPFILE);
- TEMPFILE=strcat(Hopt,TEMPFILE);
+ tst_require_root(NULL);
tst_sig(FORK, DEF_HANDLER, cleanup);
TEST_PAUSE;
+ tst_tmpdir();
+ mount_point = get_tst_tmpdir();
+
+ mount_hugetlbfs(mount_point);
+ hugepage_alloc(1024);
+
+ snprintf(TEMPFILE, sizeof(TEMPFILE), "%s/mmapfile%d",
+ mount_point, getpid());
}
/*
@@ -209,7 +190,7 @@ setup()
* Remove the temporary directory created.
*/
void
-cleanup()
+cleanup(void)
{
/*
* print timing stats if that option was specified.
@@ -218,4 +199,6 @@ cleanup()
unlink(TEMPFILE);
+ umount_hugetlbfs(mount_point);
+ tst_rmdir();
}
--
1.7.1
--
Best Regards,
Tang chen
>From 12ab35a918deba9480500f07c2e8bccbbda09966 Mon Sep 17 00:00:00 2001
From: Tang Chen <[email protected]>
Date: Tue, 2 Aug 2011 10:34:21 +0800
Subject: [PATCH 3/6] hugemmap01.c : Automatically mount hugetlbfs on /huge.
Firstly, mounting hugetlbfs on /tmp is not a good idea, because lots of
programs could use /tmp for other purpose. This could cause other tests fail.
Secondly, mounting hugetlbfs could be done automatically.
This patch creates a temp directory with name including the current PID,
automatically mounts hugetlbfs on the directory before test starts, and umounts
it when the test is over.
Signed-off-by: Tang Chen <[email protected]>
---
testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c | 63 +++++++------------
1 files changed, 23 insertions(+), 40 deletions(-)
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
index 874f736..e986721 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
+++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap01.c
@@ -73,53 +73,30 @@
#include "test.h"
#include "usctest.h"
#include "system_specific_hugepages_info.h"
+#include "lib/libmnt.h"
#define BUFFER_SIZE 256
-char* TEMPFILE="mmapfile";
+char TEMPFILE[MAXPATHLEN];
char *TCID="hugemmap01"; /* Test program identifier. */
int TST_TOTAL=1; /* Total number of test cases. */
long *addr; /* addr of memory mapped region */
int fildes; /* file descriptor for tempfile */
-char *Hopt; /* location of hugetlbfs */
-int beforetest=0; /* Amount of free huge pages before testing */
-int aftertest=0; /* Amount of free huge pages after testing */
int hugepagesmapped=0; /* Amount of huge pages mapped after testing */
+int free_huge_before=0;
+int free_huge_after=0;
+char *mount_point=NULL;
-void setup(); /* Main setup function of test */
-void cleanup(); /* cleanup function for the test */
-
-void help()
-{
- printf(" -H /.. Location of hugetlbfs, i.e. -H /var/hugetlbfs \n");
-}
+void setup(void); /* Main setup function of test */
+void cleanup(void); /* cleanup function for the test */
int
main(int ac, char **av)
{
int lc; /* loop counter */
- char *msg; /* message returned from parse_opts */
- int Hflag=0; /* binary flag: opt or not */
int page_sz=0;
- option_t options[] = {
- { "H:", &Hflag, &Hopt }, /* Required for location of
hugetlbfs */
- { NULL, NULL, NULL } /* NULL required to end array */
- };
-
- /* Parse standard options given to run the test. */
- msg = parse_opts(ac, av, options, &help);
- if (msg != (char *) NULL) {
- tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s, use -help",
msg);
- tst_exit();
- }
-
- if (Hflag == 0) {
- tst_brkm(TBROK, NULL, "-H option is REQUIRED for this test, use
-h for options help");
- tst_exit();
- }
-
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
@@ -134,7 +111,7 @@ main(int ac, char **av)
Tst_count=0;
/* Note the number of free huge pages BEFORE testing */
- beforetest = get_no_of_free_hugepages();
+ free_huge_before = get_no_of_free_hugepages();
/* Note the size of huge page size BEFORE testing */
page_sz = hugepages_size();
@@ -159,8 +136,8 @@ main(int ac, char **av)
}
/* Make sure the number of free huge pages AFTER testing
decreased */
- aftertest = get_no_of_free_hugepages();
- hugepagesmapped = beforetest - aftertest;
+ free_huge_after = get_no_of_free_hugepages();
+ hugepagesmapped = free_huge_before - free_huge_after;
if (hugepagesmapped < 1) {
tst_resm(TWARN,"Number of HUGEPAGES_FREE stayed the
same. Okay if");
tst_resm(TWARN,"multiple copies running due to test
collision.");
@@ -189,18 +166,22 @@ main(int ac, char **av)
* Write some known data into file and get the size of the file.
*/
void
-setup()
+setup(void)
{
- char mypid[40];
-
- sprintf(mypid,"/%d",getpid());
- TEMPFILE=strcat(mypid,TEMPFILE);
- TEMPFILE=strcat(Hopt,TEMPFILE);
+ tst_require_root(NULL);
tst_sig(FORK, DEF_HANDLER, cleanup);
TEST_PAUSE;
+ tst_tmpdir();
+ mount_point = get_tst_tmpdir();
+
+ mount_hugetlbfs(mount_point);
+ hugepage_alloc(1024);
+
+ snprintf(TEMPFILE, sizeof(TEMPFILE), "%s/mmapfile%d",
+ mount_point, getpid());
}
/*
@@ -209,7 +190,7 @@ setup()
* Remove the temporary directory created.
*/
void
-cleanup()
+cleanup(void)
{
/*
* print timing stats if that option was specified.
@@ -218,4 +199,6 @@ cleanup()
unlink(TEMPFILE);
+ umount_hugetlbfs(mount_point);
+ tst_rmdir();
}
--
1.7.1
------------------------------------------------------------------------------
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