[PATCH 5/8] service: rework service stats functions
From: Harry van Haaren <hidden>
Date: 2017-08-15 12:32:56
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
This commit reworks the statistics functions to use integer ids for services instead of pointers. Passing UINT32_MAX to the dump function prints all info, similar to passing NULL previously. Signed-off-by: Harry van Haaren <redacted> --- lib/librte_eal/common/include/rte_service.h | 14 ++++++++------ lib/librte_eal/common/rte_service.c | 24 ++++++++++++------------ test/test/test_service_cores.c | 10 +++++----- 3 files changed, 25 insertions(+), 23 deletions(-)
diff --git a/lib/librte_eal/common/include/rte_service.h b/lib/librte_eal/common/include/rte_service.h
index e133ca1..afa6c0bf 100644
--- a/lib/librte_eal/common/include/rte_service.h
+++ b/lib/librte_eal/common/include/rte_service.h@@ -318,13 +318,12 @@ int32_t rte_service_lcore_reset_all(void); * Enable or disable statistics collection for *service*. * * This function enables per core, per-service cycle count collection. - * @param service The service to enable statistics gathering on. + * @param id The service to enable statistics gathering on. * @param enable Zero to disable statistics, non-zero to enable. * @retval 0 Success * @retval -EINVAL Invalid service pointer passed */ -int32_t rte_service_set_stats_enable(struct rte_service_spec *service, - int32_t enable); +int32_t rte_service_set_stats_enable(uint32_t id, int32_t enable); /** * @warning
@@ -351,10 +350,13 @@ int32_t rte_service_lcore_list(uint32_t array[], uint32_t n); * @warning * @b EXPERIMENTAL: this API may change without prior notice * - * Dumps any information available about the service. If service is NULL, - * dumps info for all services. + * Dumps any information available about the service. When id is UINT32_MAX, + * this function dumps info for all services. + * + * @retval 0 Statistics have been successfully dumped + * @retval -EINVAL Invalid service id provided */ -int32_t rte_service_dump(FILE *f, struct rte_service_spec *service); +int32_t rte_service_dump(FILE *f, uint32_t id); #ifdef __cplusplus }
diff --git a/lib/librte_eal/common/rte_service.c b/lib/librte_eal/common/rte_service.c
index 7e9bf4d..308ec6f 100644
--- a/lib/librte_eal/common/rte_service.c
+++ b/lib/librte_eal/common/rte_service.c@@ -166,18 +166,15 @@ service_mt_safe(struct rte_service_spec_impl *s) return s->spec.capabilities & RTE_SERVICE_CAP_MT_SAFE; } -int32_t rte_service_set_stats_enable(struct rte_service_spec *service, - int32_t enabled) +int32_t rte_service_set_stats_enable(uint32_t id, int32_t enabled) { - struct rte_service_spec_impl *impl = - (struct rte_service_spec_impl *)service; - if (!impl) - return -EINVAL; + struct rte_service_spec_impl *s; + SERVICE_VALID_GET_OR_ERR_RET(id, s, 0); if (enabled) - impl->internal_flags |= SERVICE_F_STATS_ENABLED; + s->internal_flags |= SERVICE_F_STATS_ENABLED; else - impl->internal_flags &= ~(SERVICE_F_STATS_ENABLED); + s->internal_flags &= ~(SERVICE_F_STATS_ENABLED); return 0; }
@@ -669,9 +666,10 @@ service_dump_calls_per_lcore(FILE *f, uint32_t lcore, uint32_t reset) fprintf(f, "\n"); } -int32_t rte_service_dump(FILE *f, struct rte_service_spec *service) +int32_t rte_service_dump(FILE *f, uint32_t id) { uint32_t i; + int print_one = (id != UINT32_MAX); uint64_t total_cycles = 0; for (i = 0; i < rte_service_count; i++) {
@@ -680,15 +678,17 @@ int32_t rte_service_dump(FILE *f, struct rte_service_spec *service) total_cycles += rte_services[i].cycles_spent; } - if (service) { - struct rte_service_spec_impl *s = - (struct rte_service_spec_impl *)service; + /* print only the specified service */ + if (print_one) { + struct rte_service_spec_impl *s; + SERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL); fprintf(f, "Service %s Summary\n", s->spec.name); uint32_t reset = 0; rte_service_dump_one(f, s, total_cycles, reset); return 0; } + /* print all services, as UINT32_MAX was passed as id */ fprintf(f, "Services Summary\n"); for (i = 0; i < rte_service_count; i++) { uint32_t reset = 1;
diff --git a/test/test/test_service_cores.c b/test/test/test_service_cores.c
index ba252c5..4ece080 100644
--- a/test/test/test_service_cores.c
+++ b/test/test/test_service_cores.c@@ -261,11 +261,11 @@ service_name(void) static int service_dump(void) { - struct rte_service_spec *service = rte_service_get_by_id(0); - rte_service_set_stats_enable(service, 1); - rte_service_dump(stdout, service); - rte_service_set_stats_enable(service, 0); - rte_service_dump(stdout, service); + const uint32_t sid = 0; + rte_service_set_stats_enable(sid, 1); + rte_service_dump(stdout, 0); + rte_service_set_stats_enable(sid, 0); + rte_service_dump(stdout, 0); return unregister_all(); }
--
2.7.4