vlib_worker_thread_t *vlib_worker_threads;
vlib_thread_main_t vlib_thread_main;
+__thread uword vlib_thread_index = 0;
+
uword
os_get_cpu_number (void)
{
- void *sp;
- uword n;
- u32 len;
-
- len = vec_len (vlib_thread_stacks);
- if (len == 0)
- return 0;
-
- /* Get any old stack address. */
- sp = &sp;
-
- n = ((uword) sp - (uword) vlib_thread_stacks[0])
- >> VLIB_LOG2_THREAD_STACK_SIZE;
-
- /* "processes" have their own stacks, and they always run in thread 0 */
- n = n >= len ? 0 : n;
-
- return n;
+ return vlib_thread_index;
}
uword
return 0;
}
-vlib_worker_thread_t *
-vlib_alloc_thread (vlib_main_t * vm)
-{
- vlib_worker_thread_t *w;
-
- if (vec_len (vlib_worker_threads) >= vec_len (vlib_thread_stacks))
- {
- clib_warning ("out of worker threads... Quitting...");
- exit (1);
- }
- vec_add2 (vlib_worker_threads, w, 1);
- w->thread_stack = vlib_thread_stacks[w - vlib_worker_threads];
- return w;
-}
-
vlib_frame_queue_t *
vlib_frame_queue_alloc (int nelts)
{
f64 b4 = vlib_time_now_ticks (vm, before);
vlib_worker_thread_barrier_check (vm, b4);
/* Bad idea. Dequeue -> enqueue -> dequeue -> trouble */
- // vlib_frame_queue_dequeue (vm->cpu_index, vm, nm);
+ // vlib_frame_queue_dequeue (vm->thread_index, vm, nm);
}
elt = fq->elts + (new_tail & (fq->nelts - 1));
w->lwp = syscall (SYS_gettid);
w->thread_id = pthread_self ();
+ vlib_thread_index = w - vlib_worker_threads;
+
rv = (void *) clib_calljmp
((uword (*)(uword)) w->thread_function,
(uword) arg, w->thread_stack + VLIB_THREAD_STACK_SIZE);
mheap_alloc (0 /* use VM */ , tr->mheap_size);
else
w->thread_mheap = main_heap;
- w->thread_stack = vlib_thread_stacks[w - vlib_worker_threads];
+
+ w->thread_stack =
+ vlib_thread_stack_init (w - vlib_worker_threads);
w->thread_function = tr->function;
w->thread_function_arg = w;
w->instance_id = k;
vm_clone = clib_mem_alloc (sizeof (*vm_clone));
clib_memcpy (vm_clone, vlib_mains[0], sizeof (*vm_clone));
- vm_clone->cpu_index = worker_thread_index;
+ vm_clone->thread_index = worker_thread_index;
vm_clone->heap_base = w->thread_mheap;
vm_clone->mbuf_alloc_list = 0;
vm_clone->init_functions_called =
vec_foreach (rt, nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT])
{
vlib_node_t *n = vlib_get_node (vm, rt->node_index);
- rt->cpu_index = vm_clone->cpu_index;
+ rt->thread_index = vm_clone->thread_index;
/* copy initial runtime_data from node */
- if (n->runtime_data_bytes > 0)
+ if (n->runtime_data && n->runtime_data_bytes > 0)
clib_memcpy (rt->runtime_data, n->runtime_data,
- VLIB_NODE_RUNTIME_DATA_SIZE);
- else if (CLIB_DEBUG > 0)
- memset (rt->runtime_data, 0xfe,
- VLIB_NODE_RUNTIME_DATA_SIZE);
+ clib_min (VLIB_NODE_RUNTIME_DATA_SIZE,
+ n->runtime_data_bytes));
}
nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT] =
vec_foreach (rt, nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT])
{
vlib_node_t *n = vlib_get_node (vm, rt->node_index);
- rt->cpu_index = vm_clone->cpu_index;
+ rt->thread_index = vm_clone->thread_index;
/* copy initial runtime_data from node */
- if (n->runtime_data_bytes > 0)
+ if (n->runtime_data && n->runtime_data_bytes > 0)
clib_memcpy (rt->runtime_data, n->runtime_data,
- VLIB_NODE_RUNTIME_DATA_SIZE);
- else if (CLIB_DEBUG > 0)
- memset (rt->runtime_data, 0xfe,
- VLIB_NODE_RUNTIME_DATA_SIZE);
+ clib_min (VLIB_NODE_RUNTIME_DATA_SIZE,
+ n->runtime_data_bytes));
}
nm_clone->processes = vec_dup (nm->processes);
mheap_alloc (0 /* use VM */ , tr->mheap_size);
else
w->thread_mheap = main_heap;
- w->thread_stack = vlib_thread_stacks[w - vlib_worker_threads];
+ w->thread_stack =
+ vlib_thread_stack_init (w - vlib_worker_threads);
w->thread_function = tr->function;
w->thread_function_arg = w;
w->instance_id = j;
uword n_calls,
uword n_vectors, uword n_clocks);
- ASSERT (os_get_cpu_number () == 0);
+ ASSERT (vlib_get_thread_index () == 0);
if (vec_len (vlib_mains) == 1)
return;
vm = vlib_mains[0];
nm = &vm->node_main;
- ASSERT (os_get_cpu_number () == 0);
+ ASSERT (vlib_get_thread_index () == 0);
ASSERT (*vlib_worker_threads->wait_at_barrier == 1);
/*
vec_foreach (rt, nm_clone->nodes_by_type[VLIB_NODE_TYPE_INTERNAL])
{
vlib_node_t *n = vlib_get_node (vm, rt->node_index);
- rt->cpu_index = vm_clone->cpu_index;
+ rt->thread_index = vm_clone->thread_index;
/* copy runtime_data, will be overwritten later for existing rt */
- clib_memcpy (rt->runtime_data, n->runtime_data,
- VLIB_NODE_RUNTIME_DATA_SIZE);
+ if (n->runtime_data && n->runtime_data_bytes > 0)
+ clib_memcpy (rt->runtime_data, n->runtime_data,
+ clib_min (VLIB_NODE_RUNTIME_DATA_SIZE,
+ n->runtime_data_bytes));
}
for (j = 0; j < vec_len (old_rt); j++)
vec_foreach (rt, nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT])
{
vlib_node_t *n = vlib_get_node (vm, rt->node_index);
- rt->cpu_index = vm_clone->cpu_index;
+ rt->thread_index = vm_clone->thread_index;
/* copy runtime_data, will be overwritten later for existing rt */
- clib_memcpy (rt->runtime_data, n->runtime_data,
- VLIB_NODE_RUNTIME_DATA_SIZE);
+ if (n->runtime_data && n->runtime_data_bytes > 0)
+ clib_memcpy (rt->runtime_data, n->runtime_data,
+ clib_min (VLIB_NODE_RUNTIME_DATA_SIZE,
+ n->runtime_data_bytes));
}
for (j = 0; j < vec_len (old_rt); j++)
if (vlib_mains == 0)
return;
- ASSERT (os_get_cpu_number () == 0);
+ ASSERT (vlib_get_thread_index () == 0);
vlib_worker_thread_barrier_sync (vm);
switch (which)
vlib_worker_threads[0].barrier_sync_count++;
- ASSERT (os_get_cpu_number () == 0);
+ ASSERT (vlib_get_thread_index () == 0);
deadline = vlib_time_now (vm) + BARRIER_SYNC_TIMEOUT;
int
vlib_frame_queue_dequeue (vlib_main_t * vm, vlib_frame_queue_main_t * fqm)
{
- u32 thread_id = vm->cpu_index;
+ u32 thread_id = vm->thread_index;
vlib_frame_queue_t *fq = fqm->vlib_frame_queues[thread_id];
vlib_frame_queue_elt_t *elt;
u32 *from, *to;
vlib_main_t *vm = vlib_get_main ();
clib_error_t *e;
- ASSERT (vm->cpu_index == os_get_cpu_number ());
+ ASSERT (vm->thread_index == vlib_get_thread_index ());
vlib_worker_thread_init (w);
clib_time_init (&vm->clib_time);
clib_mem_set_heap (w->thread_mheap);
+ /* Wait until the dpdk init sequence is complete */
+ while (tm->extern_thread_mgmt && tm->worker_thread_release == 0)
+ vlib_worker_thread_barrier_check ();
+
e = vlib_call_init_exit_functions
(vm, vm->worker_init_function_registrations, 1 /* call_once */ );
if (e)
clib_error_report (e);
- /* Wait until the dpdk init sequence is complete */
- while (tm->extern_thread_mgmt && tm->worker_thread_release == 0)
- vlib_worker_thread_barrier_check ();
-
vlib_worker_loop (vm);
}
Code Review / vpp.git / blobdiff