#include <rte_per_lcore.h>
#include <rte_eal.h>
#include <rte_lcore.h>
+#include <rte_eal_trace.h>
#include "eal_private.h"
#include "eal_thread.h"
-RTE_DEFINE_PER_LCORE(unsigned, _lcore_id) = LCORE_ID_ANY;
-RTE_DEFINE_PER_LCORE(unsigned, _socket_id) = (unsigned)SOCKET_ID_ANY;
-RTE_DEFINE_PER_LCORE(rte_cpuset_t, _cpuset);
-
/*
- * Send a message to a slave lcore identified by slave_id to call a
+ * Send a message to a worker lcore identified by worker_id to call a
* function f with argument arg. Once the execution is done, the
* remote lcore switch in FINISHED state.
*/
int
-rte_eal_remote_launch(int (*f)(void *), void *arg, unsigned slave_id)
+rte_eal_remote_launch(int (*f)(void *), void *arg, unsigned int worker_id)
{
int n;
char c = 0;
- int m2s = lcore_config[slave_id].pipe_master2slave[1];
- int s2m = lcore_config[slave_id].pipe_slave2master[0];
+ int m2w = lcore_config[worker_id].pipe_main2worker[1];
+ int w2m = lcore_config[worker_id].pipe_worker2main[0];
+ int rc = -EBUSY;
- if (lcore_config[slave_id].state != WAIT)
- return -EBUSY;
+ if (lcore_config[worker_id].state != WAIT)
+ goto finish;
- lcore_config[slave_id].f = f;
- lcore_config[slave_id].arg = arg;
+ lcore_config[worker_id].f = f;
+ lcore_config[worker_id].arg = arg;
/* send message */
n = 0;
while (n == 0 || (n < 0 && errno == EINTR))
- n = write(m2s, &c, 1);
+ n = write(m2w, &c, 1);
if (n < 0)
rte_panic("cannot write on configuration pipe\n");
/* wait ack */
do {
- n = read(s2m, &c, 1);
+ n = read(w2m, &c, 1);
} while (n < 0 && errno == EINTR);
if (n <= 0)
rte_panic("cannot read on configuration pipe\n");
- return 0;
-}
-
-/* set affinity for current EAL thread */
-static int
-eal_thread_set_affinity(void)
-{
- unsigned lcore_id = rte_lcore_id();
-
- /* acquire system unique id */
- rte_gettid();
-
- /* update EAL thread core affinity */
- return rte_thread_set_affinity(&lcore_config[lcore_id].cpuset);
-}
-
-void eal_thread_init_master(unsigned lcore_id)
-{
- /* set the lcore ID in per-lcore memory area */
- RTE_PER_LCORE(_lcore_id) = lcore_id;
-
- /* set CPU affinity */
- if (eal_thread_set_affinity() < 0)
- rte_panic("cannot set affinity\n");
+ rc = 0;
+finish:
+ rte_eal_trace_thread_remote_launch(f, arg, worker_id, rc);
+ return rc;
}
/* main loop of threads */
int n, ret;
unsigned lcore_id;
pthread_t thread_id;
- int m2s, s2m;
+ int m2w, w2m;
char cpuset[RTE_CPU_AFFINITY_STR_LEN];
thread_id = pthread_self();
/* retrieve our lcore_id from the configuration structure */
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ RTE_LCORE_FOREACH_WORKER(lcore_id) {
if (thread_id == lcore_config[lcore_id].thread_id)
break;
}
if (lcore_id == RTE_MAX_LCORE)
rte_panic("cannot retrieve lcore id\n");
- m2s = lcore_config[lcore_id].pipe_master2slave[0];
- s2m = lcore_config[lcore_id].pipe_slave2master[1];
+ m2w = lcore_config[lcore_id].pipe_main2worker[0];
+ w2m = lcore_config[lcore_id].pipe_worker2main[1];
- /* set the lcore ID in per-lcore memory area */
- RTE_PER_LCORE(_lcore_id) = lcore_id;
-
- /* set CPU affinity */
- if (eal_thread_set_affinity() < 0)
- rte_panic("cannot set affinity\n");
-
- ret = eal_thread_dump_affinity(cpuset, sizeof(cpuset));
+ __rte_thread_init(lcore_id, &lcore_config[lcore_id].cpuset);
+ ret = eal_thread_dump_current_affinity(cpuset, sizeof(cpuset));
RTE_LOG(DEBUG, EAL, "lcore %u is ready (tid=%zx;cpuset=[%s%s])\n",
lcore_id, (uintptr_t)thread_id, cpuset, ret == 0 ? "" : "...");
+ rte_eal_trace_thread_lcore_ready(lcore_id, cpuset);
+
/* read on our pipe to get commands */
while (1) {
void *fct_arg;
/* wait command */
do {
- n = read(m2s, &c, 1);
+ n = read(m2w, &c, 1);
} while (n < 0 && errno == EINTR);
if (n <= 0)
/* send ack */
n = 0;
while (n == 0 || (n < 0 && errno == EINTR))
- n = write(s2m, &c, 1);
+ n = write(w2m, &c, 1);
if (n < 0)
rte_panic("cannot write on configuration pipe\n");
int ret = ENOSYS;
#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
#if __GLIBC_PREREQ(2, 12)
- ret = pthread_setname_np(id, name);
+ char truncated[16];
+
+ strlcpy(truncated, name, sizeof(truncated));
+ ret = pthread_setname_np(id, truncated);
#endif
#endif
RTE_SET_USED(id);
RTE_SET_USED(name);
return -ret;
}
+
+int rte_thread_getname(pthread_t id, char *name, size_t len)
+{
+ int ret = ENOSYS;
+#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 12)
+ ret = pthread_getname_np(id, name, len);
+#endif
+#endif
+ RTE_SET_USED(id);
+ RTE_SET_USED(name);
+ RTE_SET_USED(len);
+ return -ret;
+
+}