#include <rte_memzone.h>
#include <rte_malloc.h>
#include <rte_compat.h>
+#include <rte_errno.h>
#include "rte_timer.h"
struct rte_timer_data *data;
int i, lcore_id;
static const char *mz_name = "rte_timer_mz";
+ const size_t data_arr_size =
+ RTE_MAX_DATA_ELS * sizeof(*rte_timer_data_arr);
+ bool do_full_init = true;
if (rte_timer_subsystem_initialized)
return -EALREADY;
- if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
- mz = rte_memzone_lookup(mz_name);
- if (mz == NULL)
- return -EEXIST;
-
- rte_timer_data_arr = mz->addr;
-
- rte_timer_data_arr[default_data_id].internal_flags |=
- FL_ALLOCATED;
-
- rte_timer_subsystem_initialized = 1;
-
- return 0;
+reserve:
+ rte_errno = 0;
+ mz = rte_memzone_reserve_aligned(mz_name, data_arr_size, SOCKET_ID_ANY,
+ 0, RTE_CACHE_LINE_SIZE);
+ if (mz == NULL) {
+ if (rte_errno == EEXIST) {
+ mz = rte_memzone_lookup(mz_name);
+ if (mz == NULL)
+ goto reserve;
+
+ do_full_init = false;
+ } else
+ return -ENOMEM;
}
- mz = rte_memzone_reserve_aligned(mz_name,
- RTE_MAX_DATA_ELS * sizeof(*rte_timer_data_arr),
- SOCKET_ID_ANY, 0, RTE_CACHE_LINE_SIZE);
- if (mz == NULL)
- return -ENOMEM;
-
rte_timer_data_arr = mz->addr;
- for (i = 0; i < RTE_MAX_DATA_ELS; i++) {
- data = &rte_timer_data_arr[i];
+ if (do_full_init) {
+ for (i = 0; i < RTE_MAX_DATA_ELS; i++) {
+ data = &rte_timer_data_arr[i];
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
- rte_spinlock_init(
- &data->priv_timer[lcore_id].list_lock);
- data->priv_timer[lcore_id].prev_lcore = lcore_id;
+ for (lcore_id = 0; lcore_id < RTE_MAX_LCORE;
+ lcore_id++) {
+ rte_spinlock_init(
+ &data->priv_timer[lcore_id].list_lock);
+ data->priv_timer[lcore_id].prev_lcore =
+ lcore_id;
+ }
}
}
void __rte_experimental
rte_timer_subsystem_finalize(void)
{
- if (rte_timer_data_arr)
- rte_free(rte_timer_data_arr);
+ if (!rte_timer_subsystem_initialized)
+ return;
rte_timer_subsystem_initialized = 0;
}
union rte_timer_status status;
struct rte_timer *tim, *next_tim, **pprev;
struct rte_timer *run_first_tims[RTE_MAX_LCORE];
- unsigned int runlist_lcore_ids[RTE_MAX_LCORE];
unsigned int this_lcore = rte_lcore_id();
struct rte_timer *prev[MAX_SKIPLIST_DEPTH + 1];
uint64_t cur_time;
/* transition run-list from PENDING to RUNNING */
run_first_tims[nb_runlists] = tim;
- runlist_lcore_ids[nb_runlists] = poll_lcore;
pprev = &run_first_tims[nb_runlists];
nb_runlists++;
break;
tim = run_first_tims[min_idx];
- privp = &data->priv_timer[runlist_lcore_ids[min_idx]];
/* Move down the runlist from which we picked a timer to
* execute
*/
run_first_tims[min_idx] = run_first_tims[min_idx]->sl_next[0];
- privp->updated = 0;
- privp->running_tim = tim;
+ data->priv_timer[this_lcore].updated = 0;
+ data->priv_timer[this_lcore].running_tim = tim;
/* Call the provided callback function */
f(tim);
- __TIMER_STAT_ADD(privp, pending, -1);
+ __TIMER_STAT_ADD(data->priv_timer, pending, -1);
/* the timer was stopped or reloaded by the callback
* function, we have nothing to do here
*/
- if (privp->updated == 1)
+ if (data->priv_timer[this_lcore].updated == 1)
continue;
if (tim->period == 0) {
&data->priv_timer[this_lcore].list_lock);
}
- privp->running_tim = NULL;
+ data->priv_timer[this_lcore].running_tim = NULL;
}
return 0;