--- /dev/null
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/plugin/plugin-dev.h>
+#include <babeltrace/graph/connection.h>
+#include <babeltrace/graph/component.h>
+#include <babeltrace/graph/private-component.h>
+#include <babeltrace/graph/private-component-sink.h>
+#include <babeltrace/graph/private-port.h>
+#include <babeltrace/graph/port.h>
+#include <babeltrace/graph/private-connection.h>
+#include <babeltrace/graph/component-sink.h>
+#include <babeltrace/graph/notification-iterator.h>
+#include <babeltrace/graph/notification.h>
+#include <babeltrace/graph/notification-discarded-events.h>
+#include <babeltrace/graph/notification-discarded-packets.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/common-internal.h>
+#include <babeltrace/values.h>
+#include <plugins-common.h>
+#include <assert.h>
+#include <inttypes.h>
+#include <stdint.h>
+
+#include "counter.h"
+
+#define PRINTF_COUNT(_what_sing, _what_plur, _var, args...) \
+ do { \
+ if (counter->count._var != 0 || !counter->hide_zero) { \
+ printf("%15" PRIu64 " %s\n", \
+ counter->count._var, \
+ counter->count._var == 1 ? _what_sing : _what_plur); \
+ } \
+ } while (0)
+
+static
+uint64_t get_total_count(struct counter *counter)
+{
+ return counter->count.event +
+ counter->count.stream_begin +
+ counter->count.stream_end +
+ counter->count.packet_begin +
+ counter->count.packet_end +
+ counter->count.inactivity +
+ counter->count.discarded_events +
+ counter->count.discarded_packets +
+ counter->count.other;
+}
+
+static
+void print_count(struct counter *counter, uint64_t total)
+{
+ PRINTF_COUNT("event", "events", event);
+ PRINTF_COUNT("stream beginning", "stream beginnings", stream_begin);
+ PRINTF_COUNT("stream end", "stream ends", stream_end);
+ PRINTF_COUNT("packet beginning", "packet beginnings", packet_begin);
+ PRINTF_COUNT("packet end", "packet ends", packet_end);
+ PRINTF_COUNT("inactivity", "inactivities", inactivity);
+ PRINTF_COUNT("discarded events notification",
+ "discarded events notifications", discarded_events_notifs);
+ PRINTF_COUNT(" known discarded event", " known discarded events",
+ discarded_events);
+ PRINTF_COUNT("discarded packets notification",
+ "discarded packets notifications", discarded_packets_notifs);
+ PRINTF_COUNT(" known discarded packet", " known discarded packets",
+ discarded_packets);
+
+ if (counter->count.other > 0) {
+ PRINTF_COUNT(" other (unknown) notification",
+ " other (unknown) notifications", other);
+ }
+
+ printf("%s%15" PRIu64 " notification%s (TOTAL)%s\n",
+ bt_common_color_bold(), total, total == 1 ? "" : "s",
+ bt_common_color_reset());
+ counter->last_printed_total = total;
+}
+
+static
+void try_print_count(struct counter *counter)
+{
+ uint64_t total;
+
+ if (counter->step == 0) {
+ /* No update */
+ return;
+ }
+
+ total = get_total_count(counter);
+
+ if (total % counter->step == 0) {
+ print_count(counter, total);
+ putchar('\n');
+ }
+}
+
+static
+void try_print_last(struct counter *counter)
+{
+ const uint64_t total = get_total_count(counter);
+
+ if (total != counter->last_printed_total) {
+ print_count(counter, total);
+ }
+}
+
+void destroy_private_counter_data(struct counter *counter)
+{
+ bt_put(counter->notif_iter);
+ g_free(counter);
+}
+
+void counter_finalize(struct bt_private_component *component)
+{
+ struct counter *counter;
+
+ assert(component);
+ counter = bt_private_component_get_user_data(component);
+ assert(counter);
+ try_print_last(counter);
+ bt_put(counter->notif_iter);
+ g_free(counter);
+}
+
+enum bt_component_status counter_init(struct bt_private_component *component,
+ struct bt_value *params, UNUSED_VAR void *init_method_data)
+{
+ enum bt_component_status ret;
+ struct counter *counter = g_new0(struct counter, 1);
+ struct bt_value *step = NULL;
+ struct bt_value *hide_zero = NULL;
+
+ if (!counter) {
+ ret = BT_COMPONENT_STATUS_NOMEM;
+ goto end;
+ }
+
+ ret = bt_private_component_sink_add_input_private_port(component,
+ "in", NULL, NULL);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ goto end;
+ }
+
+ counter->last_printed_total = -1ULL;
+ counter->step = 1000;
+ step = bt_value_map_get(params, "step");
+ if (bt_value_is_integer(step)) {
+ int64_t val;
+ int vret = bt_value_integer_get(step, &val);
+
+ assert(vret == 0);
+
+ if (val >= 0) {
+ counter->step = (uint64_t) val;
+ }
+ }
+
+ hide_zero = bt_value_map_get(params, "hide-zero");
+ if (bt_value_is_bool(hide_zero)) {
+ bt_bool val;
+ int vret = bt_value_bool_get(hide_zero, &val);
+
+ assert(vret == 0);
+ counter->hide_zero = (bool) val;
+ }
+
+ ret = bt_private_component_set_user_data(component, counter);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ destroy_private_counter_data(counter);
+
+end:
+ bt_put(step);
+ bt_put(hide_zero);
+ return ret;
+}
+
+void counter_port_connected(
+ struct bt_private_component *component,
+ struct bt_private_port *self_port,
+ struct bt_port *other_port)
+{
+ struct counter *counter;
+ struct bt_notification_iterator *iterator;
+ struct bt_private_connection *connection;
+ enum bt_connection_status conn_status;
+
+ counter = bt_private_component_get_user_data(component);
+ assert(counter);
+ connection = bt_private_port_get_private_connection(self_port);
+ assert(connection);
+ conn_status = bt_private_connection_create_notification_iterator(
+ connection, NULL, &iterator);
+ if (conn_status != BT_CONNECTION_STATUS_OK) {
+ counter->error = true;
+ goto end;
+ }
+
+ BT_MOVE(counter->notif_iter, iterator);
+
+end:
+ bt_put(connection);
+}
+
+enum bt_component_status counter_consume(struct bt_private_component *component)
+{
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ struct bt_notification *notif = NULL;
+ struct counter *counter;
+ enum bt_notification_iterator_status it_ret;
+ int64_t count;
+
+ counter = bt_private_component_get_user_data(component);
+ assert(counter);
+
+ if (unlikely(counter->error)) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end;
+ }
+
+ if (unlikely(!counter->notif_iter)) {
+ try_print_last(counter);
+ ret = BT_COMPONENT_STATUS_END;
+ goto end;
+ }
+
+ /* Consume one notification */
+ it_ret = bt_notification_iterator_next(counter->notif_iter);
+ if (it_ret < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end;
+ }
+
+ switch (it_ret) {
+ case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
+ ret = BT_COMPONENT_STATUS_AGAIN;
+ goto end;
+ case BT_NOTIFICATION_ITERATOR_STATUS_END:
+ try_print_last(counter);
+ ret = BT_COMPONENT_STATUS_END;
+ goto end;
+ case BT_NOTIFICATION_ITERATOR_STATUS_OK:
+ {
+ struct bt_notification *notif =
+ bt_notification_iterator_get_notification(counter->notif_iter);
+
+ assert(notif);
+ switch (bt_notification_get_type(notif)) {
+ case BT_NOTIFICATION_TYPE_EVENT:
+ counter->count.event++;
+ break;
+ case BT_NOTIFICATION_TYPE_INACTIVITY:
+ counter->count.inactivity++;
+ break;
+ case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
+ counter->count.stream_begin++;
+ break;
+ case BT_NOTIFICATION_TYPE_STREAM_END:
+ counter->count.stream_end++;
+ break;
+ case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
+ counter->count.packet_begin++;
+ break;
+ case BT_NOTIFICATION_TYPE_PACKET_END:
+ counter->count.packet_end++;
+ break;
+ case BT_NOTIFICATION_TYPE_DISCARDED_EVENTS:
+ counter->count.discarded_events_notifs++;
+ count = bt_notification_discarded_events_get_count(
+ notif);
+ if (count >= 0) {
+ counter->count.discarded_events += count;
+ }
+ break;
+ case BT_NOTIFICATION_TYPE_DISCARDED_PACKETS:
+ counter->count.discarded_packets_notifs++;
+ count = bt_notification_discarded_packets_get_count(
+ notif);
+ if (count >= 0) {
+ counter->count.discarded_packets += count;
+ }
+ break;
+ default:
+ counter->count.other++;
+ }
+
+ bt_put(notif);
+ }
+ default:
+ break;
+ }
+
+ try_print_count(counter);
+
+end:
+ bt_put(notif);
+ return ret;
+}
--- /dev/null
+#ifndef BABELTRACE_PLUGINS_UTILS_COUNTER_H
+#define BABELTRACE_PLUGINS_UTILS_COUNTER_H
+
+/*
+ * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <glib.h>
+#include <babeltrace/graph/private-component.h>
+#include <babeltrace/graph/private-port.h>
+#include <babeltrace/graph/port.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+struct counter {
+ struct bt_notification_iterator *notif_iter;
+ struct {
+ uint64_t event;
+ uint64_t stream_begin;
+ uint64_t stream_end;
+ uint64_t packet_begin;
+ uint64_t packet_end;
+ uint64_t inactivity;
+ uint64_t discarded_events_notifs;
+ uint64_t discarded_events;
+ uint64_t discarded_packets_notifs;
+ uint64_t discarded_packets;
+ uint64_t other;
+ } count;
+ uint64_t last_printed_total;
+ uint64_t step;
+ bool hide_zero;
+ bool error;
+};
+
+enum bt_component_status counter_init(struct bt_private_component *component,
+ struct bt_value *params, void *init_method_data);
+void counter_finalize(struct bt_private_component *component);
+void counter_port_connected(struct bt_private_component *component,
+ struct bt_private_port *self_port,
+ struct bt_port *other_port);
+enum bt_component_status counter_consume(struct bt_private_component *component);
+
+#endif /* BABELTRACE_PLUGINS_UTILS_COUNTER_H */
projects / babeltrace.git / commitdiff
