src/plugins/utils/counter/counter.c

   1 /*
   2  * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #define BT_COMP_LOG_SELF_COMP (counter->self_comp)
  24 #define BT_LOG_OUTPUT_LEVEL (counter->log_level)
  25 #define BT_LOG_TAG "PLUGIN/FLT.UTILS.COUNTER"
  26 #include "plugins/comp-logging.h"
  27
  28 #include <babeltrace2/babeltrace.h>
  29 #include "common/macros.h"
  30 #include "common/common.h"
  31 #include "common/assert.h"
  32 #include <inttypes.h>
  33 #include <stdint.h>
  34
  35 #include "counter.h"
  36
  37 #define PRINTF_COUNT(_what, _var, args...)                              \
  38         do {                                                            \
  39                 if (counter->count._var != 0 || !counter->hide_zero) {  \
  40                         printf("%15" PRIu64 " %s message%s\n",          \
  41                                 counter->count._var,                    \
  42                                 (_what),                                \
  43                                 counter->count._var == 1 ? "" : "s");   \
  44                 }                                                       \
  45         } while (0)
  46
  47 static
  48 const char * const in_port_name = "in";
  49
  50 static
  51 uint64_t get_total_count(struct counter *counter)
  52 {
  53         return counter->count.event +
  54                 counter->count.stream_begin +
  55                 counter->count.stream_end +
  56                 counter->count.stream_activity_begin +
  57                 counter->count.stream_activity_end +
  58                 counter->count.packet_begin +
  59                 counter->count.packet_end +
  60                 counter->count.disc_events +
  61                 counter->count.disc_packets +
  62                 counter->count.msg_iter_inactivity +
  63                 counter->count.other;
  64 }
  65
  66 static
  67 void print_count(struct counter *counter)
  68 {
  69         uint64_t total = get_total_count(counter);
  70
  71         PRINTF_COUNT("Event", event);
  72         PRINTF_COUNT("Stream beginning", stream_begin);
  73         PRINTF_COUNT("Stream end", stream_end);
  74         PRINTF_COUNT("Stream activity beginning", stream_activity_begin);
  75         PRINTF_COUNT("Stream activity end", stream_activity_end);
  76         PRINTF_COUNT("Packet beginning", packet_begin);
  77         PRINTF_COUNT("Packet end", packet_end);
  78         PRINTF_COUNT("Discarded event", disc_events);
  79         PRINTF_COUNT("Discarded packet", disc_packets);
  80         PRINTF_COUNT("Message iterator inactivity", msg_iter_inactivity);
  81
  82         if (counter->count.other > 0) {
  83                 PRINTF_COUNT("Other (unknown)", other);
  84         }
  85
  86         printf("%s%15" PRIu64 " message%s (TOTAL)%s\n",
  87                 bt_common_color_bold(), total, total == 1 ? "" : "s",
  88                 bt_common_color_reset());
  89         counter->last_printed_total = total;
  90 }
  91
  92 static
  93 void try_print_count(struct counter *counter, uint64_t msg_count)
  94 {
  95         if (counter->step == 0) {
  96                 /* No update */
  97                 return;
  98         }
  99
 100         counter->at += msg_count;
 101
 102         if (counter->at >= counter->step) {
 103                 counter->at = 0;
 104                 print_count(counter);
 105                 putchar('\n');
 106         }
 107 }
 108
 109 static
 110 void try_print_last(struct counter *counter)
 111 {
 112         const uint64_t total = get_total_count(counter);
 113
 114         if (total != counter->last_printed_total) {
 115                 print_count(counter);
 116         }
 117 }
 118
 119 void destroy_private_counter_data(struct counter *counter)
 120 {
 121         bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
 122         g_free(counter);
 123 }
 124
 125 BT_HIDDEN
 126 void counter_finalize(bt_self_component_sink *comp)
 127 {
 128         struct counter *counter;
 129
 130         BT_ASSERT(comp);
 131         counter = bt_self_component_get_data(
 132                         bt_self_component_sink_as_self_component(comp));
 133         BT_ASSERT(counter);
 134         try_print_last(counter);
 135         bt_self_component_port_input_message_iterator_put_ref(counter->msg_iter);
 136         g_free(counter);
 137 }
 138
 139 BT_HIDDEN
 140 bt_component_class_init_method_status counter_init(
 141                 bt_self_component_sink *component,
 142                 const bt_value *params,
 143                 __attribute__((unused)) void *init_method_data)
 144 {
 145         bt_component_class_init_method_status status =
 146                 BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK;
 147         bt_self_component_add_port_status add_port_status;
 148         struct counter *counter = g_new0(struct counter, 1);
 149         const bt_value *step = NULL;
 150         const bt_value *hide_zero = NULL;
 151
 152         if (!counter) {
 153                 status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
 154                 goto error;
 155         }
 156
 157         counter->self_comp =
 158                 bt_self_component_sink_as_self_component(component);
 159         counter->log_level = bt_component_get_logging_level(
 160                 bt_self_component_as_component(counter->self_comp));
 161         add_port_status = bt_self_component_sink_add_input_port(component,
 162                 "in", NULL, NULL);
 163         switch (add_port_status) {
 164         case BT_SELF_COMPONENT_ADD_PORT_STATUS_ERROR:
 165                 status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
 166                 goto error;
 167         case BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR:
 168                 status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR;
 169                 goto error;
 170         default:
 171                 break;
 172         }
 173
 174         counter->last_printed_total = -1ULL;
 175         counter->step = 10000;
 176         step = bt_value_map_borrow_entry_value_const(params, "step");
 177         if (step) {
 178                 if (!bt_value_is_unsigned_integer(step)) {
 179                         BT_COMP_LOGE("`step` parameter: expecting an unsigned integer value: "
 180                                 "type=%s", bt_common_value_type_string(
 181                                         bt_value_get_type(step)));
 182                         goto error;
 183                 }
 184
 185                 counter->step = bt_value_unsigned_integer_get(step);
 186         }
 187
 188         hide_zero = bt_value_map_borrow_entry_value_const(params, "hide-zero");
 189         if (hide_zero) {
 190                 if (!bt_value_is_bool(hide_zero)) {
 191                         BT_COMP_LOGE("`hide-zero` parameter: expecting a boolean value: "
 192                                 "type=%s", bt_common_value_type_string(
 193                                         bt_value_get_type(hide_zero)));
 194                         goto error;
 195                 }
 196
 197                 counter->hide_zero = (bool) bt_value_bool_get(hide_zero);
 198         }
 199
 200         bt_self_component_set_data(
 201                 bt_self_component_sink_as_self_component(component),
 202                 counter);
 203         goto end;
 204
 205 error:
 206         destroy_private_counter_data(counter);
 207
 208         if (status == BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK) {
 209                 status = BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR;
 210         }
 211
 212 end:
 213         return status;
 214 }
 215
 216 BT_HIDDEN
 217 bt_component_class_sink_graph_is_configured_method_status
 218 counter_graph_is_configured(
 219                 bt_self_component_sink *comp)
 220 {
 221         bt_component_class_sink_graph_is_configured_method_status status =
 222                 BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_OK;
 223         struct counter *counter;
 224         bt_self_component_port_input_message_iterator *iterator;
 225
 226         counter = bt_self_component_get_data(
 227                 bt_self_component_sink_as_self_component(comp));
 228         BT_ASSERT(counter);
 229         iterator = bt_self_component_port_input_message_iterator_create(
 230                 bt_self_component_sink_borrow_input_port_by_name(comp,
 231                         in_port_name));
 232         if (!iterator) {
 233                 status = BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_MEMORY_ERROR;
 234                 goto end;
 235         }
 236
 237         BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
 238                 counter->msg_iter, iterator);
 239
 240 end:
 241         return status;
 242 }
 243
 244 BT_HIDDEN
 245 bt_component_class_sink_consume_method_status counter_consume(
 246                 bt_self_component_sink *comp)
 247 {
 248         bt_component_class_sink_consume_method_status status =
 249                 BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
 250         struct counter *counter;
 251         bt_message_iterator_next_status next_status;
 252         uint64_t msg_count;
 253         bt_message_array_const msgs;
 254
 255         counter = bt_self_component_get_data(
 256                         bt_self_component_sink_as_self_component(comp));
 257         BT_ASSERT(counter);
 258
 259         if (G_UNLIKELY(!counter->msg_iter)) {
 260                 try_print_last(counter);
 261                 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
 262                 goto end;
 263         }
 264
 265         /* Consume messages */
 266         next_status = bt_self_component_port_input_message_iterator_next(
 267                 counter->msg_iter, &msgs, &msg_count);
 268         if (next_status < 0) {
 269                 status = (int) next_status;
 270                 goto end;
 271         }
 272
 273         switch (next_status) {
 274         case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK:
 275         {
 276                 uint64_t i;
 277
 278                 for (i = 0; i < msg_count; i++) {
 279                         const bt_message *msg = msgs[i];
 280
 281                         BT_ASSERT(msg);
 282                         switch (bt_message_get_type(msg)) {
 283                         case BT_MESSAGE_TYPE_EVENT:
 284                                 counter->count.event++;
 285                                 break;
 286                         case BT_MESSAGE_TYPE_PACKET_BEGINNING:
 287                                 counter->count.packet_begin++;
 288                                 break;
 289                         case BT_MESSAGE_TYPE_PACKET_END:
 290                                 counter->count.packet_end++;
 291                                 break;
 292                         case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
 293                                 counter->count.msg_iter_inactivity++;
 294                                 break;
 295                         case BT_MESSAGE_TYPE_STREAM_BEGINNING:
 296                                 counter->count.stream_begin++;
 297                                 break;
 298                         case BT_MESSAGE_TYPE_STREAM_END:
 299                                 counter->count.stream_end++;
 300                                 break;
 301                         case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING:
 302                                 counter->count.stream_activity_begin++;
 303                                 break;
 304                         case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END:
 305                                 counter->count.stream_activity_end++;
 306                                 break;
 307                         case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
 308                                 counter->count.disc_events++;
 309                                 break;
 310                         case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
 311                                 counter->count.disc_packets++;
 312                                 break;
 313                         default:
 314                                 counter->count.other++;
 315                         }
 316
 317                         bt_message_put_ref(msg);
 318                 }
 319
 320                 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
 321                 break;
 322         }
 323         case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN:
 324                 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_AGAIN;
 325                 goto end;
 326         case BT_MESSAGE_ITERATOR_NEXT_STATUS_END:
 327                 try_print_last(counter);
 328                 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
 329                 goto end;
 330         case BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR:
 331                 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_MEMORY_ERROR;
 332                 goto end;
 333         default:
 334                 break;
 335         }
 336
 337         try_print_count(counter, msg_count);
 338
 339 end:
 340         return status;
 341 }