remove experimental tags from all symbol definitions

[dpdk.git] / lib / librte_eal / common / rte_service.c

diff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c
index 73507aa..c3653eb 100644 (file)
--- a/lib/librte_eal/common/rte_service.c
+++ b/lib/librte_eal/common/rte_service.c
@@ -7,7 +7,6 @@
 #include <inttypes.h>
 #include <limits.h>
 #include <string.h>
-#include <dirent.h>
 
 #include <rte_compat.h>
 #include <rte_service.h>
@@ -52,6 +51,7 @@ struct rte_service_spec_impl {
        rte_atomic32_t num_mapped_cores;
        uint64_t calls;
        uint64_t cycles_spent;
+       uint8_t active_on_lcore[RTE_MAX_LCORE];
 } __rte_cache_aligned;
 
 /* the internal values of a service core */
@@ -61,7 +61,7 @@ struct core_state {
        uint8_t runstate; /* running or stopped */
        uint8_t is_service_core; /* set if core is currently a service core */
 
-       /* extreme statistics */
+       uint64_t loops;
        uint64_t calls_per_service[RTE_SERVICE_NUM_MAX];
 } __rte_cache_aligned;
 
@@ -347,15 +347,19 @@ rte_service_runner_do_callback(struct rte_service_spec_impl *s,
 
 
 static inline int32_t
-service_run(uint32_t i, struct core_state *cs, uint64_t service_mask)
+service_run(uint32_t i, int lcore, struct core_state *cs, uint64_t service_mask)
 {
        if (!service_valid(i))
                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))) {
+               s->active_on_lcore[lcore] = 0;
                return -ENOEXEC;
+       }
+
+       s->active_on_lcore[lcore] = 1;
 
        /* check do we need cmpset, if MT safe or <= 1 core
         * mapped, atomic ops are not required.
@@ -374,6 +378,25 @@ service_run(uint32_t i, struct core_state *cs, uint64_t service_mask)
        return 0;
 }
 
+int32_t
+rte_service_may_be_active(uint32_t id)
+{
+       uint32_t ids[RTE_MAX_LCORE] = {0};
+       struct rte_service_spec_impl *s = &rte_services[id];
+       int32_t lcore_count = rte_service_lcore_list(ids, RTE_MAX_LCORE);
+       int i;
+
+       if (!service_valid(id))
+               return -EINVAL;
+
+       for (i = 0; i < lcore_count; i++) {
+               if (s->active_on_lcore[ids[i]])
+                       return 1;
+       }
+
+       return 0;
+}
+
 int32_t rte_service_run_iter_on_app_lcore(uint32_t id,
                uint32_t serialize_mt_unsafe)
 {
@@ -398,7 +421,7 @@ int32_t rte_service_run_iter_on_app_lcore(uint32_t id,
                return -EBUSY;
        }
 
-       int ret = service_run(id, cs, UINT64_MAX);
+       int ret = service_run(id, rte_lcore_id(), cs, UINT64_MAX);
 
        if (serialize_mt_unsafe)
                rte_atomic32_dec(&s->num_mapped_cores);
@@ -419,9 +442,11 @@ rte_service_runner_func(void *arg)
 
                for (i = 0; i < RTE_SERVICE_NUM_MAX; i++) {
                        /* return value ignored as no change to code flow */
-                       service_run(i, cs, service_mask);
+                       service_run(i, lcore, cs, service_mask);
                }
 
+               cs->loops++;
+
                rte_smp_rmb();
        }
 
@@ -709,7 +734,7 @@ rte_service_lcore_stop(uint32_t lcore)
 }
 
 int32_t
-rte_service_attr_get(uint32_t id, uint32_t attr_id, uint32_t *attr_value)
+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);
@@ -729,6 +754,28 @@ rte_service_attr_get(uint32_t id, uint32_t attr_id, uint32_t *attr_value)
        }
 }
 
+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)
@@ -747,6 +794,9 @@ rte_service_dump_one(FILE *f, struct rte_service_spec_impl *s,
                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,
@@ -764,6 +814,23 @@ rte_service_attr_reset_all(uint32_t id)
        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
 service_dump_calls_per_lcore(FILE *f, uint32_t lcore, uint32_t reset)
 {