/**
* @brief Prints information about cache allocation settings in the system
*
* @param sock_count number of detected CPU sockets
* @param sockets arrays with detected CPU socket id's
* @param cpu_info cpu information structure
*/
static void
print_allocation_config(const struct pqos_capability *cap_l3ca,
const unsigned sock_count,
const unsigned *sockets,
const struct pqos_cpuinfo *cpu_info)
{
int ret;
unsigned i;
if (cap_l3ca == NULL)
return;
for (i = 0; i < sock_count; i++) {
struct pqos_l3ca tab[PQOS_MAX_L3CA_COS];
unsigned num = 0;
ret = pqos_l3ca_get(sockets[i], PQOS_MAX_L3CA_COS,
&num, tab);
if (ret == PQOS_RETVAL_OK) {
unsigned n = 0;
printf("L3CA COS definitions for Socket %u:\n",
sockets[i]);
for (n = 0; n < num; n++) {
printf(" L3CA COS%u => MASK 0x%llx\n",
tab[n].class_id,
(unsigned long long)tab[n].u.ways_mask);
}
}
}
for (i = 0; i < sock_count; i++) {
unsigned *lcores = NULL;
unsigned lcount = 0, n = 0;
lcores = pqos_cpu_get_cores(cpu_info, sockets[i], &lcount);
if (lcores == NULL || lcount == 0) {
printf("Error retrieving core information!\n");
free(lcores);
return;
}
printf("Core information for socket %u:\n",
sockets[i]);
for (n = 0; n < lcount; n++) {
unsigned class_id = 0;
int ret1 = PQOS_RETVAL_OK;
if (cap_l3ca != NULL)
ret1 = pqos_alloc_assoc_get(lcores[n],
&class_id);
if (ret1 == PQOS_RETVAL_OK)
printf(" Core %u => COS%u\n",
lcores[n], class_id);
else
printf(" Core %u => ERROR\n",
lcores[n]);
}
free(lcores);
}
}
/**
* @brief Prints information about cache allocation settings in the system
*/
static void
print_allocation_config(void)
{
int ret;
unsigned i;
unsigned sock_count, *sockets = NULL;
const struct pqos_cpuinfo *p_cpu = NULL;
const struct pqos_cap *p_cap = NULL;
/* Get CMT capability and CPU info pointer */
ret = pqos_cap_get(&p_cap, &p_cpu);
if (ret != PQOS_RETVAL_OK) {
printf("Error retrieving PQoS capabilities!\n");
return;
}
/* Get CPU socket information to set COS */
sockets = pqos_cpu_get_sockets(p_cpu, &sock_count);
if (sockets == NULL) {
printf("Error retrieving CPU socket information!\n");
return;
}
for (i = 0; i < sock_count; i++) {
unsigned *lcores = NULL;
unsigned lcount = 0, n = 0;
lcores = pqos_cpu_get_cores(p_cpu, sockets[i], &lcount);
if (lcores == NULL || lcount == 0) {
printf("Error retrieving core information!\n");
free(sockets);
return;
}
printf("Core information for socket %u:\n",
sockets[i]);
for (n = 0; n < lcount; n++) {
unsigned class_id = 0;
ret = pqos_alloc_assoc_get(lcores[n], &class_id);
if (ret == PQOS_RETVAL_OK)
printf(" Core %u => COS%u\n",
lcores[n], class_id);
else
printf(" Core %u => ERROR\n",
lcores[n]);
}
free(lcores);
}
free(sockets);
}
void alloc_print_config(const struct pqos_capability *cap_mon,
const struct pqos_capability *cap_l3ca,
const struct pqos_capability *cap_l2ca,
const unsigned sock_count,
const unsigned *sockets,
const struct pqos_cpuinfo *cpu_info)
{
int ret;
unsigned i;
for (i = 0; (i < sock_count) && (cap_l3ca != NULL); i++) {
struct pqos_l3ca tab[PQOS_MAX_L3CA_COS];
unsigned num = 0;
unsigned n = 0;
ret = pqos_l3ca_get(sockets[i], PQOS_MAX_L3CA_COS,
&num, tab);
if (ret != PQOS_RETVAL_OK)
continue;
printf("L3CA COS definitions for Socket %u:\n",
sockets[i]);
for (n = 0; n < num; n++) {
if (tab[n].cdp) {
printf(" L3CA COS%u => DATA 0x%llx,"
"CODE 0x%llx\n",
tab[n].class_id,
(unsigned long long)tab[n].u.s.data_mask,
(unsigned long long)
tab[n].u.s.code_mask);
} else {
printf(" L3CA COS%u => MASK 0x%llx\n",
tab[n].class_id,
(unsigned long long)tab[n].u.ways_mask);
}
}
}
for (i = 0; (i < sock_count) && (cap_l2ca != NULL); i++) {
struct pqos_l2ca tab[PQOS_MAX_L2CA_COS];
unsigned num = 0;
unsigned n = 0;
ret = pqos_l2ca_get(sockets[i], PQOS_MAX_L2CA_COS,
&num, tab);
if (ret != PQOS_RETVAL_OK)
continue;
printf("L2CA COS definitions for Socket %u:\n",
sockets[i]);
for (n = 0; n < num; n++)
printf(" L2CA COS%u => MASK 0x%llx\n",
tab[n].class_id,
(unsigned long long)tab[n].ways_mask);
}
for (i = 0; i < sock_count; i++) {
unsigned *lcores = NULL;
unsigned lcount = 0, n = 0;
lcores = pqos_cpu_get_cores(cpu_info, sockets[i], &lcount);
if (lcores == NULL) {
printf("Error retrieving core information!\n");
return;
}
printf("Core information for socket %u:\n",
sockets[i]);
for (n = 0; n < lcount; n++) {
unsigned class_id = 0;
pqos_rmid_t rmid = 0;
int ret = PQOS_RETVAL_OK;
const int is_mon = (cap_mon != NULL);
const int is_alloc = (cap_l3ca != NULL) ||
(cap_l2ca != NULL);
if (is_alloc)
ret = pqos_alloc_assoc_get(lcores[n],
&class_id);
if (is_mon && ret == PQOS_RETVAL_OK)
ret = pqos_mon_assoc_get(lcores[n], &rmid);
if (ret != PQOS_RETVAL_OK) {
printf(" Core %u => ERROR\n", lcores[n]);
continue;
}
if (is_alloc && is_mon)
printf(" Core %u => COS%u, RMID%u\n",
lcores[n], class_id, (unsigned)rmid);
if (is_alloc && !is_mon)
printf(" Core %u => COS%u\n", lcores[n],
class_id);
if (!is_alloc && is_mon)
printf(" Core %u => RMID%u\n", lcores[n],
(unsigned)rmid);
}
free(lcores);
}
}
