#include <vlib/threads.h>
#include <vlib/unix/cj.h>
+#include <vlib/stat_weak_inlines.h>
+
DECLARE_CJ_GLOBAL_LOG;
-#define FRAME_QUEUE_NELTS 64
u32
vl (void *p)
* imapacts observed timings.
*/
-u32
-elog_global_id_for_msg_name (const char *msg_name)
-{
- uword *p, r;
- static uword *h;
- u8 *name_copy;
-
- if (!h)
- h = hash_create_string (0, sizeof (uword));
-
- p = hash_get_mem (h, msg_name);
- if (p)
- return p[0];
- r = elog_string (&vlib_global_main.elog_main, "%s", msg_name);
-
- name_copy = format (0, "%s%c", msg_name, 0);
-
- hash_set_mem (h, name_copy, r);
-
- return r;
-}
-
static inline void
barrier_trace_sync (f64 t_entry, f64 t_open, f64 t_closed)
{
ed = ELOG_DATA (&vlib_global_main.elog_main, e);
ed->count = (int) vlib_worker_threads[0].barrier_sync_count;
- ed->caller = elog_global_id_for_msg_name
- (vlib_worker_threads[0].barrier_caller);
+ ed->caller = elog_string (&vlib_global_main.elog_main,
+ (char *) vlib_worker_threads[0].barrier_caller);
ed->t_entry = (int) (1000000.0 * t_entry);
ed->t_open = (int) (1000000.0 * t_open);
ed->t_closed = (int) (1000000.0 * t_closed);
ed = ELOG_DATA (&vlib_global_main.elog_main, e);
ed->depth = (int) vlib_worker_threads[0].recursion_level - 1;
- ed->caller = elog_global_id_for_msg_name
- (vlib_worker_threads[0].barrier_caller);
+ ed->caller = elog_string (&vlib_global_main.elog_main,
+ (char *) vlib_worker_threads[0].barrier_caller);
}
static inline void
uword
os_get_nthreads (void)
{
- u32 len;
-
- len = vec_len (vlib_thread_stacks);
- if (len == 0)
- return 1;
- else
- return len;
+ return vec_len (vlib_thread_stacks);
}
void
}
avail_cpu = clib_bitmap_set (avail_cpu, tm->main_lcore, 0);
+ /*
+ * Determine if the number of workers is greater than 0.
+ * If so, mark CPU 0 unavailable so workers will be numbered after main.
+ */
+ u32 n_workers = 0;
+ uword *p = hash_get_mem (tm->thread_registrations_by_name, "workers");
+ if (p != 0)
+ {
+ vlib_thread_registration_t *tr = (vlib_thread_registration_t *) p[0];
+ int worker_thread_count = tr->count;
+ n_workers = worker_thread_count;
+ }
+ if (tm->skip_cores == 0 && n_workers)
+ avail_cpu = clib_bitmap_set (avail_cpu, 0, 0);
+
/* assume that there is socket 0 only if there is no data from sysfs */
if (!tm->cpu_socket_bitmap)
tm->cpu_socket_bitmap = clib_bitmap_set (0, 0, 1);
pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
}
- /* as many threads as stacks... */
- vec_validate_aligned (vlib_worker_threads, vec_len (vlib_thread_stacks) - 1,
- CLIB_CACHE_LINE_BYTES);
-
- /* Preallocate thread 0 */
+ /* Set up thread 0 */
+ vec_validate_aligned (vlib_worker_threads, 0, CLIB_CACHE_LINE_BYTES);
_vec_len (vlib_worker_threads) = 1;
w = vlib_worker_threads;
w->thread_mheap = clib_mem_get_heap ();
w->thread_id = pthread_self ();
tm->n_vlib_mains = 1;
+ vlib_get_thread_core_numa (w, w->cpu_id);
+
if (tm->sched_policy != ~0)
{
struct sched_param sched_param;
avail_cpu = clib_bitmap_set(avail_cpu, c, 0);
}));
-/* *INDENT-ON* */
-
+ /* *INDENT-ON* */
}
else
{
tm->n_vlib_mains = n_vlib_mains;
+ /*
+ * Allocate the remaining worker threads, and thread stack vector slots
+ * from now on, calls to os_get_nthreads() will return the correct
+ * answer.
+ */
vec_validate_aligned (vlib_worker_threads, first_index - 1,
CLIB_CACHE_LINE_BYTES);
-
+ vec_validate (vlib_thread_stacks, vec_len (vlib_worker_threads) - 1);
return 0;
}
return rv;
}
-static void
-vlib_get_thread_core_socket (vlib_worker_thread_t * w, unsigned cpu_id)
+void
+vlib_get_thread_core_numa (vlib_worker_thread_t * w, unsigned cpu_id)
{
const char *sys_cpu_path = "/sys/devices/system/cpu/cpu";
+ const char *sys_node_path = "/sys/devices/system/node/node";
+ clib_bitmap_t *nbmp = 0, *cbmp = 0;
+ u32 node;
u8 *p = 0;
- int core_id = -1, socket_id = -1;
+ int core_id = -1, numa_id = -1;
p = format (p, "%s%u/topology/core_id%c", sys_cpu_path, cpu_id, 0);
clib_sysfs_read ((char *) p, "%d", &core_id);
vec_reset_length (p);
- p =
- format (p, "%s%u/topology/physical_package_id%c", sys_cpu_path, cpu_id,
- 0);
- clib_sysfs_read ((char *) p, "%d", &socket_id);
+
+ /* *INDENT-OFF* */
+ clib_sysfs_read ("/sys/devices/system/node/online", "%U",
+ unformat_bitmap_list, &nbmp);
+ clib_bitmap_foreach (node, nbmp, ({
+ p = format (p, "%s%u/cpulist%c", sys_node_path, node, 0);
+ clib_sysfs_read ((char *) p, "%U", unformat_bitmap_list, &cbmp);
+ if (clib_bitmap_get (cbmp, cpu_id))
+ numa_id = node;
+ vec_reset_length (cbmp);
+ vec_reset_length (p);
+ }));
+ /* *INDENT-ON* */
+ vec_free (nbmp);
+ vec_free (cbmp);
vec_free (p);
w->core_id = core_id;
- w->socket_id = socket_id;
+ w->numa_id = numa_id;
}
static clib_error_t *
{
vlib_thread_main_t *tm = &vlib_thread_main;
void *(*fp_arg) (void *) = fp;
+ void *numa_heap;
w->cpu_id = cpu_id;
- vlib_get_thread_core_socket (w, cpu_id);
+ vlib_get_thread_core_numa (w, cpu_id);
+
+ /* Set up NUMA-bound heap if indicated */
+ if (clib_per_numa_mheaps[w->numa_id] == 0)
+ {
+ /* If the user requested a NUMA heap, create it... */
+ if (tm->numa_heap_size)
+ {
+ numa_heap = clib_mem_init_thread_safe_numa
+ (0 /* DIY */ , tm->numa_heap_size, w->numa_id);
+ clib_per_numa_mheaps[w->numa_id] = numa_heap;
+ }
+ else
+ {
+ /* Or, use the main heap */
+ clib_per_numa_mheaps[w->numa_id] = w->thread_mheap;
+ }
+ }
+
if (tm->cb.vlib_launch_thread_cb && !w->registration->use_pthreads)
return tm->cb.vlib_launch_thread_cb (fp, (void *) w, cpu_id);
else
vec_add2 (vlib_worker_threads, w, 1);
/* Currently unused, may not really work */
if (tr->mheap_size)
- {
-#if USE_DLMALLOC == 0
- w->thread_mheap =
- mheap_alloc (0 /* use VM */ , tr->mheap_size);
-#else
- w->thread_mheap = create_mspace (tr->mheap_size,
- 0 /* unlocked */ );
-#endif
- }
+ w->thread_mheap = create_mspace (tr->mheap_size,
+ 0 /* unlocked */ );
else
w->thread_mheap = main_heap;
#ifdef VLIB_SUPPORTS_ARBITRARY_SCALAR_SIZES
nm_clone->frame_size_hash = hash_create (0, sizeof (uword));
#endif
+ nm_clone->node_by_error = nm->node_by_error;
/* Packet trace buffers are guaranteed to be empty, nothing to do here */
clib_mem_set_heap (oldheap);
vec_add1_aligned (vlib_mains, vm_clone, CLIB_CACHE_LINE_BYTES);
+ /* Switch to the stats segment ... */
+ void *oldheap = vlib_stats_push_heap (0);
vm_clone->error_main.counters = vec_dup_aligned
(vlib_mains[0]->error_main.counters, CLIB_CACHE_LINE_BYTES);
+ vlib_stats_pop_heap2 (vm_clone->error_main.counters,
+ worker_thread_index, oldheap, 1);
+
vm_clone->error_main.counters_last_clear = vec_dup_aligned
(vlib_mains[0]->error_main.counters_last_clear,
CLIB_CACHE_LINE_BYTES);
vec_add2 (vlib_worker_threads, w, 1);
if (tr->mheap_size)
{
-#if USE_DLMALLOC == 0
- w->thread_mheap =
- mheap_alloc (0 /* use VM */ , tr->mheap_size);
-#else
w->thread_mheap =
create_mspace (tr->mheap_size, 0 /* locked */ );
-#endif
}
else
w->thread_mheap = main_heap;
clib_memcpy_fast (&vm_clone->error_main, &vm->error_main,
sizeof (vm->error_main));
j = vec_len (vm->error_main.counters) - 1;
+
+ /* Switch to the stats segment ... */
+ void *oldheap = vlib_stats_push_heap (0);
vec_validate_aligned (old_counters, j, CLIB_CACHE_LINE_BYTES);
- vec_validate_aligned (old_counters_all_clear, j, CLIB_CACHE_LINE_BYTES);
vm_clone->error_main.counters = old_counters;
+ vlib_stats_pop_heap2 (vm_clone->error_main.counters, vm_clone->thread_index,
+ oldheap, 0);
+
+ vec_validate_aligned (old_counters_all_clear, j, CLIB_CACHE_LINE_BYTES);
vm_clone->error_main.counters_last_clear = old_counters_all_clear;
nm_clone = &vm_clone->node_main;
clib_mem_alloc_no_fail (vec_len (nm->nodes) * sizeof (*new_n_clone));
for (j = 0; j < vec_len (nm->nodes); j++)
{
- vlib_node_t *old_n_clone;
- vlib_node_t *new_n;
-
- new_n = nm->nodes[j];
- old_n_clone = old_nodes_clone[j];
+ vlib_node_t *new_n = nm->nodes[j];
clib_memcpy_fast (new_n_clone, new_n, sizeof (*new_n));
/* none of the copied nodes have enqueue rights given out */
}
else
{
+ vlib_node_t *old_n_clone = old_nodes_clone[j];
/* Copy stats if the old data is valid */
clib_memcpy_fast (&new_n_clone->stats_total,
&old_n_clone->stats_total,
nm_clone->processes = vec_dup_aligned (nm->processes,
CLIB_CACHE_LINE_BYTES);
+ nm_clone->node_by_error = nm->node_by_error;
}
void
;
else if (unformat (input, "skip-cores %u", &tm->skip_cores))
;
+ else if (unformat (input, "numa-heap-size %U",
+ unformat_memory_size, &tm->numa_heap_size))
+ ;
else if (unformat (input, "coremask-%s %U", &name,
unformat_bitmap_mask, &bitmap) ||
unformat (input, "corelist-%s %U", &name,
#define BARRIER_MINIMUM_OPEN_FACTOR 3
#endif
+void
+vlib_worker_thread_initial_barrier_sync_and_release (vlib_main_t * vm)
+{
+ f64 deadline;
+ f64 now = vlib_time_now (vm);
+ u32 count = vec_len (vlib_mains) - 1;
+
+ /* No worker threads? */
+ if (count == 0)
+ return;
+
+ deadline = now + BARRIER_SYNC_TIMEOUT;
+ *vlib_worker_threads->wait_at_barrier = 1;
+ while (*vlib_worker_threads->workers_at_barrier != count)
+ {
+ if ((now = vlib_time_now (vm)) > deadline)
+ {
+ fformat (stderr, "%s: worker thread deadlock\n", __FUNCTION__);
+ os_panic ();
+ }
+ CLIB_PAUSE ();
+ }
+ *vlib_worker_threads->wait_at_barrier = 0;
+}
+
void
vlib_worker_thread_barrier_sync_int (vlib_main_t * vm, const char *func_name)
{
for (i = 1; i < vec_len (vlib_mains); i++)
max_vector_rate =
clib_max (max_vector_rate,
- vlib_last_vectors_per_main_loop_as_f64 (vlib_mains[i]));
+ (f64) vlib_last_vectors_per_main_loop (vlib_mains[i]));
vlib_worker_threads[0].barrier_sync_count++;
}
-void vlib_stat_segment_lock (void) __attribute__ ((weak));
-void
-vlib_stat_segment_lock (void)
-{
-}
-
-void vlib_stat_segment_unlock (void) __attribute__ ((weak));
-void
-vlib_stat_segment_unlock (void)
-{
-}
-
void
vlib_worker_thread_barrier_release (vlib_main_t * vm)
{
while (1)
{
+ vlib_buffer_t *b;
if (fq->head == fq->tail)
{
fq->head_hint = fq->head;
f = vlib_get_frame_to_node (vm, fqm->node_index);
+ /* If the first vector is traced, set the frame trace flag */
+ b = vlib_get_buffer (vm, from[0]);
+ if (b->flags & VLIB_BUFFER_IS_TRACED)
+ f->frame_flags |= VLIB_NODE_FLAG_TRACE;
+
to = vlib_frame_vector_args (f);
n_left_to_node = elt->n_vectors;
clib_time_init (&vm->clib_time);
clib_mem_set_heap (w->thread_mheap);
+ e = vlib_call_init_exit_functions_no_sort
+ (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 ();
- e = vlib_call_init_exit_functions
- (vm, vm->worker_init_function_registrations, 1 /* call_once */ );
- if (e)
- clib_error_report (e);
-
vlib_worker_loop (vm);
}
int i;
if (frame_queue_nelts == 0)
- frame_queue_nelts = FRAME_QUEUE_NELTS;
+ frame_queue_nelts = FRAME_QUEUE_MAX_NELTS;
ASSERT (frame_queue_nelts >= 8);
unformat_input_t * input, vlib_cli_command_t * cmd)
{
int i;
- f64 now;
+ int verbose = 0;
- now = vlib_time_now (vm);
+ (void) unformat (input, "verbose %=", &verbose, 1);
- vlib_cli_output (vm, "Time now %.9f", now);
+ vlib_cli_output (vm, "%U", format_clib_time, &vm->clib_time, verbose);
if (vec_len (vlib_mains) == 1)
return 0;
{
if (vlib_mains[i] == 0)
continue;
+
+ vlib_cli_output (vm, "%d: %U", i, format_clib_time,
+ &vlib_mains[i]->clib_time, verbose);
+
vlib_cli_output (vm, "Thread %d offset %.9f error %.9f", i,
vlib_mains[i]->time_offset,
vm->time_last_barrier_release -
Code Review / vpp.git / blobdiff