diff options
Diffstat (limited to 'lib/librte_eal/common/rte_service.c')
| -rw-r--r-- | lib/librte_eal/common/rte_service.c | 130 |
1 files changed, 98 insertions, 32 deletions
diff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c index be9b5e6d..8767c722 100644 --- a/lib/librte_eal/common/rte_service.c +++ b/lib/librte_eal/common/rte_service.c @@ -52,6 +52,7 @@ 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 +62,7 @@ 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; @@ -115,7 +116,7 @@ fail_mem: return -ENOMEM; } -void __rte_experimental +void rte_service_finalize(void) { if (!rte_service_library_initialized) @@ -161,7 +162,7 @@ service_mt_safe(struct rte_service_spec_impl *s) return !!(s->spec.capabilities & RTE_SERVICE_CAP_MT_SAFE); } -int32_t __rte_experimental +int32_t rte_service_set_stats_enable(uint32_t id, int32_t enabled) { struct rte_service_spec_impl *s; @@ -175,7 +176,7 @@ rte_service_set_stats_enable(uint32_t id, int32_t enabled) return 0; } -int32_t __rte_experimental +int32_t rte_service_set_runstate_mapped_check(uint32_t id, int32_t enabled) { struct rte_service_spec_impl *s; @@ -189,13 +190,13 @@ rte_service_set_runstate_mapped_check(uint32_t id, int32_t enabled) return 0; } -uint32_t __rte_experimental +uint32_t rte_service_get_count(void) { return rte_service_count; } -int32_t __rte_experimental +int32_t rte_service_get_by_name(const char *name, uint32_t *service_id) { if (!service_id) @@ -213,7 +214,7 @@ rte_service_get_by_name(const char *name, uint32_t *service_id) return -ENODEV; } -const char * __rte_experimental +const char * rte_service_get_name(uint32_t id) { struct rte_service_spec_impl *s; @@ -221,7 +222,7 @@ rte_service_get_name(uint32_t id) return s->spec.name; } -int32_t __rte_experimental +int32_t rte_service_probe_capability(uint32_t id, uint32_t capability) { struct rte_service_spec_impl *s; @@ -229,7 +230,7 @@ rte_service_probe_capability(uint32_t id, uint32_t capability) return !!(s->spec.capabilities & capability); } -int32_t __rte_experimental +int32_t rte_service_component_register(const struct rte_service_spec *spec, uint32_t *id_ptr) { @@ -262,7 +263,7 @@ rte_service_component_register(const struct rte_service_spec *spec, return 0; } -int32_t __rte_experimental +int32_t rte_service_component_unregister(uint32_t id) { uint32_t i; @@ -283,7 +284,7 @@ rte_service_component_unregister(uint32_t id) return 0; } -int32_t __rte_experimental +int32_t rte_service_component_runstate_set(uint32_t id, uint32_t runstate) { struct rte_service_spec_impl *s; @@ -298,7 +299,7 @@ rte_service_component_runstate_set(uint32_t id, uint32_t runstate) return 0; } -int32_t __rte_experimental +int32_t rte_service_runstate_set(uint32_t id, uint32_t runstate) { struct rte_service_spec_impl *s; @@ -313,7 +314,7 @@ rte_service_runstate_set(uint32_t id, uint32_t runstate) return 0; } -int32_t __rte_experimental +int32_t rte_service_runstate_get(uint32_t id) { struct rte_service_spec_impl *s; @@ -347,15 +348,19 @@ 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. @@ -374,7 +379,26 @@ service_run(uint32_t i, struct core_state *cs, uint64_t service_mask) return 0; } -int32_t __rte_experimental rte_service_run_iter_on_app_lcore(uint32_t id, +int32_t __rte_experimental +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) { /* run service on calling core, using all-ones as the service mask */ @@ -398,7 +422,7 @@ int32_t __rte_experimental 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 +443,11 @@ 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(); } @@ -430,7 +456,7 @@ rte_service_runner_func(void *arg) return 0; } -int32_t __rte_experimental +int32_t rte_service_lcore_count(void) { int32_t count = 0; @@ -440,7 +466,7 @@ rte_service_lcore_count(void) return count; } -int32_t __rte_experimental +int32_t rte_service_lcore_list(uint32_t array[], uint32_t n) { uint32_t count = rte_service_lcore_count(); @@ -463,7 +489,7 @@ rte_service_lcore_list(uint32_t array[], uint32_t n) return count; } -int32_t __rte_experimental +int32_t rte_service_lcore_count_services(uint32_t lcore) { if (lcore >= RTE_MAX_LCORE) @@ -476,7 +502,7 @@ rte_service_lcore_count_services(uint32_t lcore) return __builtin_popcountll(cs->service_mask); } -int32_t __rte_experimental +int32_t rte_service_start_with_defaults(void) { /* create a default mapping from cores to services, then start the @@ -562,7 +588,7 @@ service_update(struct rte_service_spec *service, uint32_t lcore, return 0; } -int32_t __rte_experimental +int32_t rte_service_map_lcore_set(uint32_t id, uint32_t lcore, uint32_t enabled) { struct rte_service_spec_impl *s; @@ -571,7 +597,7 @@ rte_service_map_lcore_set(uint32_t id, uint32_t lcore, uint32_t enabled) return service_update(&s->spec, lcore, &on, 0); } -int32_t __rte_experimental +int32_t rte_service_map_lcore_get(uint32_t id, uint32_t lcore) { struct rte_service_spec_impl *s; @@ -597,7 +623,7 @@ set_lcore_state(uint32_t lcore, int32_t state) lcore_states[lcore].is_service_core = (state == ROLE_SERVICE); } -int32_t __rte_experimental +int32_t rte_service_lcore_reset_all(void) { /* loop over cores, reset all to mask 0 */ @@ -617,7 +643,7 @@ rte_service_lcore_reset_all(void) return 0; } -int32_t __rte_experimental +int32_t rte_service_lcore_add(uint32_t lcore) { if (lcore >= RTE_MAX_LCORE) @@ -636,7 +662,7 @@ rte_service_lcore_add(uint32_t lcore) return rte_eal_wait_lcore(lcore); } -int32_t __rte_experimental +int32_t rte_service_lcore_del(uint32_t lcore) { if (lcore >= RTE_MAX_LCORE) @@ -655,7 +681,7 @@ rte_service_lcore_del(uint32_t lcore) return 0; } -int32_t __rte_experimental +int32_t rte_service_lcore_start(uint32_t lcore) { if (lcore >= RTE_MAX_LCORE) @@ -678,7 +704,7 @@ rte_service_lcore_start(uint32_t lcore) return ret; } -int32_t __rte_experimental +int32_t rte_service_lcore_stop(uint32_t lcore) { if (lcore >= RTE_MAX_LCORE) @@ -708,7 +734,7 @@ rte_service_lcore_stop(uint32_t lcore) return 0; } -int32_t __rte_experimental +int32_t rte_service_attr_get(uint32_t id, uint32_t attr_id, uint32_t *attr_value) { struct rte_service_spec_impl *s; @@ -729,6 +755,28 @@ rte_service_attr_get(uint32_t id, uint32_t attr_id, uint32_t *attr_value) } } +int32_t __rte_experimental +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) @@ -753,7 +801,7 @@ rte_service_dump_one(FILE *f, struct rte_service_spec_impl *s, s->cycles_spent, s->cycles_spent / calls); } -int32_t __rte_experimental +int32_t rte_service_attr_reset_all(uint32_t id) { struct rte_service_spec_impl *s; @@ -764,6 +812,23 @@ rte_service_attr_reset_all(uint32_t id) return 0; } +int32_t __rte_experimental +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) { @@ -781,7 +846,8 @@ service_dump_calls_per_lcore(FILE *f, uint32_t lcore, uint32_t reset) fprintf(f, "\n"); } -int32_t __rte_experimental 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); |