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selftests: sync: Skip the test if kernel support is not found 

The "Sync framework" test doesn't work if the kernel has no support,
obviously. Rather than reporting a failure, check for the kernel support
by looking for /sys/kernel/debug/sync/sw_sync, and if not found skip the
test.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
This commit is contained in:
Michael Ellerman 2017-05-31 20:40:15 +10:00 committed by Shuah Khan
parent eff33cfa06
commit 4996976fcd
1 changed files with 13 additions and 0 deletions
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13
tools/testing/selftests/sync/sync_test.c
View File

@ -29,6 +29,7 @@
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include "synctest.h"
@ -52,10 +53,22 @@ static int run_test(int (*test)(void), char *name)
exit(test());
}
static int sync_api_supported(void)
{
struct stat sbuf;
return 0 == stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
}
int main(void)
{
int err = 0;
if (!sync_api_supported()) {
printf("SKIP: Sync framework not supported by kernel\n");
return 0;
}
printf("[RUN]\tTesting sync framework\n");
err += RUN_TEST(test_alloc_timeline);