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test/barrier: enlarge variables to 64 bits

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Memory barrier failures can be intermittent. Increase the size of the
sum/val/iteration variables to allow tests that can run for days so that
sporadic errors can be identified.

Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
This commit is contained in:
David Christensen 2019-05-08 16:02:32 -05:00 committed by Thomas Monjalon
parent 50882a1ec0
commit f8f207c00f
1 changed files with 12 additions and 11 deletions
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23
app/test/test_barrier.c
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@ -55,8 +55,8 @@ struct plock {
*/
struct plock_test {
struct plock lock;
uint32_t val;
uint32_t iter;
uint64_t val;
uint64_t iter;
};
/*
@ -65,8 +65,8 @@ struct plock_test {
*/
struct lcore_plock_test {
struct plock_test *pt[2]; /* shared, lock-protected data */
uint32_t sum[2]; /* local copy of the shared data */
uint32_t iter; /* number of iterations to perfom */
uint64_t sum[2]; /* local copy of the shared data */
uint64_t iter; /* number of iterations to perfom */
uint32_t lc; /* given lcore id */
};
@ -130,7 +130,8 @@ static int
plock_test1_lcore(void *data)
{
uint64_t tm;
uint32_t i, lc, ln, n;
uint32_t lc, ln;
uint64_t i, n;
struct lcore_plock_test *lpt;
lpt = data;
@ -166,9 +167,9 @@ plock_test1_lcore(void *data)
tm = rte_get_timer_cycles() - tm;
printf("%s(%u): %u iterations finished, in %" PRIu64
printf("%s(%u): %" PRIu64 " iterations finished, in %" PRIu64
" cycles, %#Lf cycles/iteration, "
"local sum={%u, %u}\n",
"local sum={%" PRIu64 ", %" PRIu64 "}\n",
__func__, lc, i, tm, (long double)tm / i,
lpt->sum[0], lpt->sum[1]);
return 0;
@ -184,11 +185,11 @@ plock_test1_lcore(void *data)
* and local data are the same.
*/
static int
plock_test(uint32_t iter, enum plock_use_type utype)
plock_test(uint64_t iter, enum plock_use_type utype)
{
int32_t rc;
uint32_t i, lc, n;
uint32_t *sum;
uint64_t *sum;
struct plock_test *pt;
struct lcore_plock_test *lpt;
@ -199,7 +200,7 @@ plock_test(uint32_t iter, enum plock_use_type utype)
lpt = calloc(n, sizeof(*lpt));
sum = calloc(n + 1, sizeof(*sum));
printf("%s(iter=%u, utype=%u) started on %u lcores\n",
printf("%s(iter=%" PRIu64 ", utype=%u) started on %u lcores\n",
__func__, iter, utype, n);
if (pt == NULL || lpt == NULL || sum == NULL) {
@ -247,7 +248,7 @@ plock_test(uint32_t iter, enum plock_use_type utype)
rc = 0;
for (i = 0; i != n; i++) {
printf("%s: sum[%u]=%u, pt[%u].val=%u, pt[%u].iter=%u;\n",
printf("%s: sum[%u]=%" PRIu64 ", pt[%u].val=%" PRIu64 ", pt[%u].iter=%" PRIu64 ";\n",
__func__, i, sum[i], i, pt[i].val, i, pt[i].iter);
/* race condition occurred, lock doesn't work properly */