#include <inttypes.h>
#include <limits.h>
#include <string.h>
-#include <dirent.h>
+#include <rte_compat.h>
#include <rte_service.h>
-#include "include/rte_service_component.h"
+#include <rte_service_component.h>
#include <rte_eal.h>
#include <rte_lcore.h>
#include <rte_memory.h>
#include <rte_malloc.h>
+#include "eal_private.h"
+
#define RTE_SERVICE_NUM_MAX 64
#define SERVICE_F_REGISTERED (1 << 0)
uint64_t service_mask;
uint8_t runstate; /* running or stopped */
uint8_t is_service_core; /* set if core is currently a service core */
-
- /* extreme statistics */
+ uint8_t service_active_on_lcore[RTE_SERVICE_NUM_MAX];
+ uint64_t loops;
uint64_t calls_per_service[RTE_SERVICE_NUM_MAX];
} __rte_cache_aligned;
static struct core_state *lcore_states;
static uint32_t rte_service_library_initialized;
-int32_t rte_service_init(void)
+int32_t
+rte_service_init(void)
{
if (rte_service_library_initialized) {
- printf("service library init() called, init flag %d\n",
+ RTE_LOG(NOTICE, EAL,
+ "service library init() called, init flag %d\n",
rte_service_library_initialized);
return -EALREADY;
}
sizeof(struct rte_service_spec_impl),
RTE_CACHE_LINE_SIZE);
if (!rte_services) {
- printf("error allocating rte services array\n");
- return -ENOMEM;
+ RTE_LOG(ERR, EAL, "error allocating rte services array\n");
+ goto fail_mem;
}
lcore_states = rte_calloc("rte_service_core_states", RTE_MAX_LCORE,
sizeof(struct core_state), RTE_CACHE_LINE_SIZE);
if (!lcore_states) {
- printf("error allocating core states array\n");
- return -ENOMEM;
+ RTE_LOG(ERR, EAL, "error allocating core states array\n");
+ goto fail_mem;
}
int i;
rte_service_library_initialized = 1;
return 0;
+fail_mem:
+ rte_free(rte_services);
+ rte_free(lcore_states);
+ return -ENOMEM;
+}
+
+void
+rte_service_finalize(void)
+{
+ if (!rte_service_library_initialized)
+ return;
+
+ rte_service_lcore_reset_all();
+ rte_eal_mp_wait_lcore();
+
+ rte_free(rte_services);
+ rte_free(lcore_states);
+
+ rte_service_library_initialized = 0;
}
/* returns 1 if service is registered and has not been unregistered
return !!(rte_services[id].internal_flags & SERVICE_F_REGISTERED);
}
+static struct rte_service_spec_impl *
+service_get(uint32_t id)
+{
+ return &rte_services[id];
+}
+
/* validate ID and retrieve service pointer, or return error value */
#define SERVICE_VALID_GET_OR_ERR_RET(id, service, retval) do { \
if (id >= RTE_SERVICE_NUM_MAX || !service_valid(id)) \
return !!(s->spec.capabilities & RTE_SERVICE_CAP_MT_SAFE);
}
-int32_t rte_service_set_stats_enable(uint32_t id, int32_t enabled)
+int32_t
+rte_service_set_stats_enable(uint32_t id, int32_t enabled)
{
struct rte_service_spec_impl *s;
SERVICE_VALID_GET_OR_ERR_RET(id, s, 0);
return 0;
}
-int32_t rte_service_set_runstate_mapped_check(uint32_t id, int32_t enabled)
+int32_t
+rte_service_set_runstate_mapped_check(uint32_t id, int32_t enabled)
{
struct rte_service_spec_impl *s;
SERVICE_VALID_GET_OR_ERR_RET(id, s, 0);
return rte_service_count;
}
-int32_t rte_service_get_by_name(const char *name, uint32_t *service_id)
+int32_t
+rte_service_get_by_name(const char *name, uint32_t *service_id)
{
if (!service_id)
return -EINVAL;
}
-static inline int32_t
-service_run(uint32_t i, struct core_state *cs, uint64_t service_mask)
+/* Expects the service 's' is valid. */
+static int32_t
+service_run(uint32_t i, struct core_state *cs, uint64_t service_mask,
+ struct rte_service_spec_impl *s)
{
- if (!service_valid(i))
+ if (!s)
return -EINVAL;
- struct rte_service_spec_impl *s = &rte_services[i];
+
if (s->comp_runstate != RUNSTATE_RUNNING ||
s->app_runstate != RUNSTATE_RUNNING ||
- !(service_mask & (UINT64_C(1) << i)))
+ !(service_mask & (UINT64_C(1) << i))) {
+ cs->service_active_on_lcore[i] = 0;
return -ENOEXEC;
+ }
+
+ cs->service_active_on_lcore[i] = 1;
/* check do we need cmpset, if MT safe or <= 1 core
* mapped, atomic ops are not required.
return 0;
}
-int32_t rte_service_run_iter_on_app_lcore(uint32_t id,
- uint32_t serialize_mt_unsafe)
+int32_t
+rte_service_may_be_active(uint32_t id)
{
- /* run service on calling core, using all-ones as the service mask */
- if (!service_valid(id))
+ uint32_t ids[RTE_MAX_LCORE] = {0};
+ int32_t lcore_count = rte_service_lcore_list(ids, RTE_MAX_LCORE);
+ int i;
+
+ if (id >= RTE_SERVICE_NUM_MAX || !service_valid(id))
return -EINVAL;
+ for (i = 0; i < lcore_count; i++) {
+ if (lcore_states[i].service_active_on_lcore[id])
+ return 1;
+ }
+
+ return 0;
+}
+
+int32_t
+rte_service_run_iter_on_app_lcore(uint32_t id, uint32_t serialize_mt_unsafe)
+{
struct core_state *cs = &lcore_states[rte_lcore_id()];
- struct rte_service_spec_impl *s = &rte_services[id];
+ struct rte_service_spec_impl *s;
+
+ SERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL);
/* Atomically add this core to the mapped cores first, then examine if
* we can run the service. This avoids a race condition between
return -EBUSY;
}
- int ret = service_run(id, cs, UINT64_MAX);
+ int ret = service_run(id, cs, UINT64_MAX, s);
if (serialize_mt_unsafe)
rte_atomic32_dec(&s->num_mapped_cores);
const uint64_t service_mask = cs->service_mask;
for (i = 0; i < RTE_SERVICE_NUM_MAX; i++) {
+ if (!service_valid(i))
+ continue;
/* return value ignored as no change to code flow */
- service_run(i, cs, service_mask);
+ service_run(i, cs, service_mask, service_get(i));
}
+ cs->loops++;
+
rte_smp_rmb();
}
return ret;
}
-int32_t rte_service_lcore_reset_all(void)
-{
- /* loop over cores, reset all to mask 0 */
- uint32_t i;
- for (i = 0; i < RTE_MAX_LCORE; i++) {
- lcore_states[i].service_mask = 0;
- lcore_states[i].is_service_core = 0;
- lcore_states[i].runstate = RUNSTATE_STOPPED;
- }
- for (i = 0; i < RTE_SERVICE_NUM_MAX; i++)
- rte_atomic32_set(&rte_services[i].num_mapped_cores, 0);
-
- rte_smp_wmb();
-
- return 0;
-}
-
static void
set_lcore_state(uint32_t lcore, int32_t state)
{
lcore_states[lcore].is_service_core = (state == ROLE_SERVICE);
}
+int32_t
+rte_service_lcore_reset_all(void)
+{
+ /* loop over cores, reset all to mask 0 */
+ uint32_t i;
+ for (i = 0; i < RTE_MAX_LCORE; i++) {
+ if (lcore_states[i].is_service_core) {
+ lcore_states[i].service_mask = 0;
+ set_lcore_state(i, ROLE_RTE);
+ lcore_states[i].runstate = RUNSTATE_STOPPED;
+ }
+ }
+ for (i = 0; i < RTE_SERVICE_NUM_MAX; i++)
+ rte_atomic32_set(&rte_services[i].num_mapped_cores, 0);
+
+ rte_smp_wmb();
+
+ return 0;
+}
+
int32_t
rte_service_lcore_add(uint32_t lcore)
{
return 0;
}
+int32_t
+rte_service_attr_get(uint32_t id, uint32_t attr_id, uint64_t *attr_value)
+{
+ struct rte_service_spec_impl *s;
+ SERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL);
+
+ if (!attr_value)
+ return -EINVAL;
+
+ switch (attr_id) {
+ case RTE_SERVICE_ATTR_CYCLES:
+ *attr_value = s->cycles_spent;
+ return 0;
+ case RTE_SERVICE_ATTR_CALL_COUNT:
+ *attr_value = s->calls;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+int32_t
+rte_service_lcore_attr_get(uint32_t lcore, uint32_t attr_id,
+ uint64_t *attr_value)
+{
+ struct core_state *cs;
+
+ if (lcore >= RTE_MAX_LCORE || !attr_value)
+ return -EINVAL;
+
+ cs = &lcore_states[lcore];
+ if (!cs->is_service_core)
+ return -ENOTSUP;
+
+ switch (attr_id) {
+ case RTE_SERVICE_LCORE_ATTR_LOOPS:
+ *attr_value = cs->loops;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
static void
rte_service_dump_one(FILE *f, struct rte_service_spec_impl *s,
uint64_t all_cycles, uint32_t reset)
if (s->calls != 0)
calls = s->calls;
+ if (reset) {
+ s->cycles_spent = 0;
+ s->calls = 0;
+ return;
+ }
+
+ if (f == NULL)
+ return;
+
fprintf(f, " %s: stats %d\tcalls %"PRIu64"\tcycles %"
PRIu64"\tavg: %"PRIu64"\n",
s->spec.name, service_stats_enabled(s), s->calls,
s->cycles_spent, s->cycles_spent / calls);
+}
- if (reset) {
- s->cycles_spent = 0;
- s->calls = 0;
- }
+int32_t
+rte_service_attr_reset_all(uint32_t id)
+{
+ struct rte_service_spec_impl *s;
+ SERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL);
+
+ int reset = 1;
+ rte_service_dump_one(NULL, s, 0, reset);
+ return 0;
+}
+
+int32_t
+rte_service_lcore_attr_reset_all(uint32_t lcore)
+{
+ struct core_state *cs;
+
+ if (lcore >= RTE_MAX_LCORE)
+ return -EINVAL;
+
+ cs = &lcore_states[lcore];
+ if (!cs->is_service_core)
+ return -ENOTSUP;
+
+ cs->loops = 0;
+
+ return 0;
}
static void
fprintf(f, "\n");
}
-int32_t rte_service_dump(FILE *f, uint32_t id)
+int32_t
+rte_service_dump(FILE *f, uint32_t id)
{
uint32_t i;
int print_one = (id != UINT32_MAX);
for (i = 0; i < RTE_SERVICE_NUM_MAX; i++) {
if (!service_valid(i))
continue;
- uint32_t reset = 1;
+ uint32_t reset = 0;
rte_service_dump_one(f, &rte_services[i], total_cycles, reset);
}
if (lcore_config[i].core_role != ROLE_SERVICE)
continue;
- uint32_t reset = 1;
+ uint32_t reset = 0;
service_dump_calls_per_lcore(f, i, reset);
}
git.droids-corp.org / dpdk.git / blobdiff