goto done;
}
- if (filter)
- {
- if (vlib_enable_disable_pkt_trace_filter (1) < 0) /* enable */
- {
- /* FIXME: Make a new error like "UNSUPPORTED_NODE_OPERATION"? */
- rv = VNET_API_ERROR_NO_SUCH_NODE;
- goto done;
- }
- }
-
if (pre_clear)
vlib_trace_stop_and_clear ();
iterator_position = clib_net_to_host_u32 (mp->position);
max_records = clib_net_to_host_u32 (mp->max_records);
- /* Don't overflow the existing queue space. */
- svm_queue_t *q = rp->vl_input_queue;
- u32 queue_slots_available = q->maxsize - q->cursize;
- int chunk = (queue_slots_available > 0) ? queue_slots_available - 1 : 0;
- if (chunk < max_records)
- max_records = chunk;
+ /* Don't overflow the existing queue space for shared memory API clients. */
+ if (rp->vl_input_queue)
+ {
+ svm_queue_t *q = rp->vl_input_queue;
+ u32 queue_slots_available = q->maxsize - q->cursize;
+ int chunk = (queue_slots_available > 0) ? queue_slots_available - 1 : 0;
+ if (chunk < max_records)
+ max_records = chunk;
+ }
/* Need a fresh cache for this client? */
if (vec_len (client_trace_cache) == 0
&& (iterator_thread_id != ~0 || iterator_position != ~0))
{
- vlib_worker_thread_barrier_sync (&vlib_global_main);
+ vlib_worker_thread_barrier_sync (vlib_get_first_main ());
/* Make a slot for each worker thread */
- vec_validate (client_trace_cache, vec_len (vlib_mains) - 1);
+ vec_validate (client_trace_cache, vlib_get_n_threads () - 1);
i = 0;
- /* *INDENT-OFF* */
- foreach_vlib_main (
- ({
- vlib_trace_main_t *tm = &this_vlib_main->trace_main;
+ foreach_vlib_main ()
+ {
+ vlib_trace_main_t *tm = &this_vlib_main->trace_main;
- /* Filter as directed */
- trace_apply_filter(this_vlib_main);
+ /* Filter as directed */
+ trace_apply_filter (this_vlib_main);
- pool_foreach (th, tm->trace_buffer_pool)
- {
- vec_add1 (client_trace_cache[i], th[0]);
- }
+ pool_foreach (th, tm->trace_buffer_pool)
+ {
+ vec_add1 (client_trace_cache[i], th[0]);
+ }
- /* Sort them by increasing time. */
- if (vec_len (client_trace_cache[i]))
- vec_sort_with_function (client_trace_cache[i], trace_cmp);
+ /* Sort them by increasing time. */
+ if (vec_len (client_trace_cache[i]))
+ vec_sort_with_function (client_trace_cache[i], trace_cmp);
- i++;
- }));
- /* *INDENT-ON* */
- vlib_worker_thread_barrier_release (&vlib_global_main);
+ i++;
+ }
+ vlib_worker_thread_barrier_release (vlib_get_first_main ());
}
/* Save the cache, one way or the other */
vec_reset_length (s);
- s = format (s, "%U", format_vlib_trace, &vlib_global_main, th[0]);
+ s =
+ format (s, "%U", format_vlib_trace, vlib_get_first_main (), th[0]);
dmp = vl_msg_api_alloc (sizeof (*dmp) + vec_len (s));
dmp->_vl_msg_id =
vec_free (s);
}
+/* API message handler */
+static void
+vl_api_trace_v2_dump_t_handler (vl_api_trace_v2_dump_t *mp)
+{
+ vl_api_registration_t *rp;
+ vl_api_trace_v2_details_t *dmp;
+ tracedump_main_t *tdmp = &tracedump_main;
+ vlib_trace_header_t ***client_trace_cache, **th;
+ int i, j;
+ u32 client_index;
+ u32 first_position, max, first_thread_id, last_thread_id;
+ u32 n_threads = vlib_get_n_threads ();
+ u8 *s = 0;
+
+ rp = vl_api_client_index_to_registration (mp->client_index);
+ if (rp == 0)
+ return;
+
+ client_index = rp->vl_api_registration_pool_index;
+
+ vec_validate_init_empty (tdmp->traces, client_index, 0);
+
+ client_trace_cache = tdmp->traces[client_index];
+
+ if (mp->clear_cache)
+ {
+ toss_client_cache (tdmp, client_index, client_trace_cache);
+ client_trace_cache = 0;
+ }
+
+ /* Now, where were we? */
+ first_thread_id = last_thread_id = clib_net_to_host_u32 (mp->thread_id);
+ first_position = clib_net_to_host_u32 (mp->position);
+ max = clib_net_to_host_u32 (mp->max);
+
+ if (first_thread_id == ~0)
+ {
+ first_thread_id = 0;
+ last_thread_id = n_threads - 1;
+ }
+
+ /* Don't overflow the existing queue space for shared memory API clients. */
+ if (rp->vl_input_queue)
+ {
+ svm_queue_t *q = rp->vl_input_queue;
+ u32 queue_slots_available = q->maxsize - q->cursize;
+ int chunk = (queue_slots_available > 0) ? queue_slots_available - 1 : 0;
+ /* split available slots among requested threads */
+ if (chunk < max * (last_thread_id - first_thread_id + 1))
+ max = chunk / (last_thread_id - first_thread_id + 1);
+ }
+
+ /* Need a fresh cache for this client? */
+ if (vec_len (client_trace_cache) == 0 && first_position != ~0)
+ {
+ vlib_worker_thread_barrier_sync (vlib_get_first_main ());
+
+ /* Make a slot for each worker thread */
+ vec_validate (client_trace_cache, n_threads - 1);
+ i = 0;
+
+ foreach_vlib_main ()
+ {
+ vlib_trace_main_t *tm = &this_vlib_main->trace_main;
+
+ /* Filter as directed */
+ trace_apply_filter (this_vlib_main);
+
+ pool_foreach (th, tm->trace_buffer_pool)
+ {
+ vec_add1 (client_trace_cache[i], th[0]);
+ }
+
+ /* Sort them by increasing time. */
+ if (vec_len (client_trace_cache[i]))
+ vec_sort_with_function (client_trace_cache[i], trace_cmp);
+
+ i++;
+ }
+ vlib_worker_thread_barrier_release (vlib_get_first_main ());
+ }
+
+ /* Save the cache, one way or the other */
+ tdmp->traces[client_index] = client_trace_cache;
+
+ for (i = first_thread_id;
+ i <= last_thread_id && i < vec_len (client_trace_cache); i++)
+ {
+ // dump a number of 'max' packets per thead
+ for (j = first_position;
+ j < vec_len (client_trace_cache[i]) && j < first_position + max;
+ j++)
+ {
+ th = &client_trace_cache[i][j];
+
+ vec_reset_length (s);
+
+ s =
+ format (s, "%U", format_vlib_trace, vlib_get_first_main (), th[0]);
+
+ dmp = vl_msg_api_alloc (sizeof (*dmp) + vec_len (s));
+ dmp->_vl_msg_id =
+ htons (VL_API_TRACE_V2_DETAILS + (tdmp->msg_id_base));
+ dmp->context = mp->context;
+ dmp->thread_id = ntohl (i);
+ dmp->position = ntohl (j);
+ dmp->more = j < vec_len (client_trace_cache[i]) - 1;
+ vl_api_vec_to_api_string (s, &dmp->trace_data);
+
+ vl_api_send_msg (rp, (u8 *) dmp);
+ }
+ }
+
+ vec_free (s);
+}
+
+static void
+vl_api_trace_clear_cache_t_handler (vl_api_trace_clear_cache_t *mp)
+{
+ vl_api_registration_t *rp;
+ tracedump_main_t *tdmp = &tracedump_main;
+ vlib_trace_header_t ***client_trace_cache;
+ vl_api_trace_clear_cache_reply_t *rmp;
+ u32 client_index;
+
+ rp = vl_api_client_index_to_registration (mp->client_index);
+ if (rp == 0)
+ return;
+
+ client_index = rp->vl_api_registration_pool_index;
+ vec_validate_init_empty (tdmp->traces, client_index, 0);
+ client_trace_cache = tdmp->traces[client_index];
+ toss_client_cache (tdmp, client_index, client_trace_cache);
+
+ int rv = 0;
+ REPLY_MACRO (VL_API_TRACE_CLEAR_CACHE_REPLY);
+}
+
/* API definitions */
#include <tracedump/tracedump.api.c>
/* Add our API messages to the global name_crc hash table */
tdmp->msg_id_base = setup_message_id_table ();
- am->is_mp_safe[tdmp->msg_id_base + VL_API_TRACE_DUMP] = 1;
+ vl_api_set_msg_thread_safe (am, tdmp->msg_id_base + VL_API_TRACE_DUMP, 1);
+ vl_api_set_msg_thread_safe (am, tdmp->msg_id_base + VL_API_TRACE_V2_DUMP, 1);
return error;
}
Code Review / vpp.git / blobdiff