diff options
Diffstat (limited to 'lib/librte_eal/common/rte_service.c')
-rw-r--r-- | lib/librte_eal/common/rte_service.c | 75 |
1 files changed, 70 insertions, 5 deletions
diff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c index 73507aac..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; @@ -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. @@ -374,6 +379,25 @@ service_run(uint32_t i, struct core_state *cs, uint64_t service_mask) return 0; } +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) { @@ -398,7 +422,7 @@ 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 +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(); } @@ -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) @@ -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) { |