[dpdk-dev,v2,05/15] service: rework service stats functions
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Commit Message
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 <harry.van.haaren@intel.com>
---
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(-)
@@ -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
}
@@ -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;
}
@@ -670,9 +667,10 @@ 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++) {
@@ -681,15 +679,17 @@ 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;
@@ -265,11 +265,11 @@ 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();
}