* SOFTWARE.
*/
-#include "trimmer.h"
-#include "iterator.h"
#include <babeltrace/graph/notification-iterator.h>
#include <babeltrace/graph/private-notification-iterator.h>
#include <babeltrace/graph/notification.h>
#include <assert.h>
#include <plugins-common.h>
+#include "trimmer.h"
+#include "iterator.h"
+#include "copy.h"
+
BT_HIDDEN
void trimmer_iterator_finalize(struct bt_private_notification_iterator *it)
{
assert(it_data);
bt_put(it_data->input_iterator);
+ g_hash_table_destroy(it_data->packet_map);
g_free(it_data);
}
goto end;
}
+ it_data->err = stderr;
+ it_data->packet_map = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, NULL);
+
it_ret = bt_private_notification_iterator_set_user_data(iterator,
it_data);
if (it_ret) {
}
static
-enum bt_notification_iterator_status
-evaluate_event_notification(struct bt_notification *notification,
+struct bt_notification *evaluate_event_notification(
+ struct bt_notification *notification,
+ struct trimmer_iterator *trim_it,
struct trimmer_bound *begin, struct trimmer_bound *end,
bool *_event_in_range)
{
int64_t ts;
int clock_ret;
- struct bt_ctf_event *event = NULL;
+ struct bt_ctf_event *event = NULL, *writer_event;
bool in_range = true;
struct bt_ctf_clock_class *clock_class = NULL;
struct bt_ctf_trace *trace = NULL;
struct bt_ctf_stream *stream = NULL;
struct bt_ctf_stream_class *stream_class = NULL;
struct bt_ctf_clock_value *clock_value = NULL;
- enum bt_notification_iterator_status ret =
- BT_NOTIFICATION_ITERATOR_STATUS_OK;
bool lazy_update = false;
+ struct bt_notification *new_notification = NULL;
+ struct bt_clock_class_priority_map *cc_prio_map;
event = bt_notification_event_get_event(notification);
assert(event);
+ cc_prio_map = bt_notification_event_get_clock_class_priority_map(
+ notification);
+ assert(cc_prio_map);
+ writer_event = trimmer_output_event(trim_it, event);
+ assert(writer_event);
+ new_notification = bt_notification_event_create(writer_event, cc_prio_map);
+ assert(new_notification);
+ bt_put(cc_prio_map);
stream = bt_ctf_event_get_stream(event);
assert(stream);
clock_value = bt_ctf_event_get_clock_value(event, clock_class);
if (!clock_value) {
printf_error("Failed to retrieve clock value");
- ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
- goto end;
+ goto error;
}
clock_ret = bt_ctf_clock_value_get_value_ns_from_epoch(
clock_value, &ts);
if (clock_ret) {
printf_error("Failed to retrieve clock value timestamp");
- ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
- goto end;
+ goto error;
}
if (update_lazy_bound(begin, "begin", ts, &lazy_update)) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
goto end;
}
if (update_lazy_bound(end, "end", ts, &lazy_update)) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
goto end;
}
if (lazy_update && begin->set && end->set) {
if (begin->value > end->value) {
printf_error("Unexpected: time range begin value is above end value");
- ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
- goto end;
+ goto error;
}
}
if (begin->set && ts < begin->value) {
if (end->set && ts > end->value) {
in_range = false;
}
+
+ goto end;
+
+error:
+ BT_PUT(new_notification);
end:
bt_put(event);
+ bt_put(writer_event);
bt_put(clock_class);
bt_put(trace);
bt_put(stream);
bt_put(stream_class);
bt_put(clock_value);
*_event_in_range = in_range;
- return ret;
+ return new_notification;
}
static
return ret;
}
+static uint64_t ns_from_value(uint64_t frequency, uint64_t value)
+{
+ uint64_t ns;
+
+ if (frequency == NSEC_PER_SEC) {
+ ns = value;
+ } else {
+ ns = (uint64_t) ((1e9 * (double) value) / (double) frequency);
+ }
+
+ return ns;
+}
+
+/*
+ * timestamp minus the offset.
+ */
static
-enum bt_notification_iterator_status evaluate_packet_notification(
+int64_t get_raw_timestamp(struct bt_ctf_packet *writer_packet,
+ int64_t timestamp)
+{
+ struct bt_ctf_clock_class *writer_clock_class;
+ int64_t sec_offset, cycles_offset, ns;
+ struct bt_ctf_trace *writer_trace;
+ struct bt_ctf_stream *writer_stream;
+ struct bt_ctf_stream_class *writer_stream_class;
+ int ret;
+ uint64_t freq;
+
+ writer_stream = bt_ctf_packet_get_stream(writer_packet);
+ assert(writer_stream);
+
+ writer_stream_class = bt_ctf_stream_get_class(writer_stream);
+ assert(writer_stream_class);
+
+ writer_trace = bt_ctf_stream_class_get_trace(writer_stream_class);
+ assert(writer_trace);
+
+ /* FIXME multi-clock? */
+ writer_clock_class = bt_ctf_trace_get_clock_class(writer_trace, 0);
+ assert(writer_clock_class);
+
+ ret = bt_ctf_clock_class_get_offset_s(writer_clock_class, &sec_offset);
+ assert(!ret);
+ ns = sec_offset * NSEC_PER_SEC;
+
+ freq = bt_ctf_clock_class_get_frequency(writer_clock_class);
+ assert(freq != -1ULL);
+
+ ret = bt_ctf_clock_class_get_offset_cycles(writer_clock_class, &cycles_offset);
+ assert(!ret);
+
+ ns += ns_from_value(freq, cycles_offset);
+
+ bt_put(writer_clock_class);
+ bt_put(writer_trace);
+ bt_put(writer_stream_class);
+ bt_put(writer_stream);
+
+ return timestamp - ns;
+}
+
+static
+struct bt_notification *evaluate_packet_notification(
struct bt_notification *notification,
+ struct trimmer_iterator *trim_it,
struct trimmer_bound *begin, struct trimmer_bound *end,
bool *_packet_in_range)
{
- enum bt_notification_iterator_status ret =
- BT_NOTIFICATION_ITERATOR_STATUS_OK;
int64_t begin_ns, pkt_begin_ns, end_ns, pkt_end_ns;
bool in_range = true;
- struct bt_ctf_packet *packet = NULL;
+ struct bt_ctf_packet *packet = NULL, *writer_packet = NULL;
struct bt_ctf_field *packet_context = NULL,
*timestamp_begin = NULL,
*timestamp_end = NULL;
+ struct bt_notification *new_notification = NULL;
+ enum bt_component_status ret;
+ bool lazy_update = false;
switch (bt_notification_get_type(notification)) {
case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
packet = bt_notification_packet_begin_get_packet(notification);
+ assert(packet);
+ writer_packet = trimmer_new_packet(trim_it, packet);
+ assert(writer_packet);
break;
case BT_NOTIFICATION_TYPE_PACKET_END:
packet = bt_notification_packet_end_get_packet(notification);
+ assert(packet);
+ writer_packet = trimmer_close_packet(trim_it, packet);
+ assert(writer_packet);
break;
default:
- break;
+ goto end;
}
- assert(packet);
- packet_context = bt_ctf_packet_get_context(packet);
+ packet_context = bt_ctf_packet_get_context(writer_packet);
if (!packet_context) {
- goto end;
+ goto end_no_notif;
}
if (!bt_ctf_field_is_structure(packet_context)) {
- goto end;
+ goto end_no_notif;
}
timestamp_begin = bt_ctf_field_structure_get_field(
packet_context, "timestamp_begin");
if (!timestamp_begin || !bt_ctf_field_is_integer(timestamp_begin)) {
- goto end;
+ goto end_no_notif;
}
timestamp_end = bt_ctf_field_structure_get_field(
packet_context, "timestamp_end");
if (!timestamp_end || !bt_ctf_field_is_integer(timestamp_end)) {
- goto end;
+ goto end_no_notif;
}
if (ns_from_integer_field(timestamp_begin, &pkt_begin_ns)) {
- goto end;
+ goto end_no_notif;
}
if (ns_from_integer_field(timestamp_end, &pkt_end_ns)) {
- goto end;
+ goto end_no_notif;
+ }
+
+ if (update_lazy_bound(begin, "begin", pkt_begin_ns, &lazy_update)) {
+ goto end_no_notif;
+ }
+ if (update_lazy_bound(end, "end", pkt_end_ns, &lazy_update)) {
+ goto end_no_notif;
+ }
+ if (lazy_update && begin->set && end->set) {
+ if (begin->value > end->value) {
+ printf_error("Unexpected: time range begin value is above end value");
+ goto end_no_notif;
+ }
}
begin_ns = begin->set ? begin->value : INT64_MIN;
* packet.
*/
in_range = (pkt_end_ns >= begin_ns) && (pkt_begin_ns <= end_ns);
+ if (!in_range) {
+ goto end_no_notif;
+ }
+
+ if (begin_ns > pkt_begin_ns) {
+ ret = update_packet_context_field(trim_it->err, writer_packet,
+ "timestamp_begin",
+ get_raw_timestamp(writer_packet, begin_ns));
+ assert(!ret);
+ }
+
+ if (end_ns < pkt_end_ns) {
+ ret = update_packet_context_field(trim_it->err, writer_packet,
+ "timestamp_end",
+ get_raw_timestamp(writer_packet, end_ns));
+ assert(!ret);
+ }
+
end:
+ switch (bt_notification_get_type(notification)) {
+ case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
+ new_notification = bt_notification_packet_begin_create(writer_packet);
+ assert(new_notification);
+ break;
+ case BT_NOTIFICATION_TYPE_PACKET_END:
+ new_notification = bt_notification_packet_end_create(writer_packet);
+ assert(new_notification);
+ break;
+ default:
+ break;
+ }
+end_no_notif:
*_packet_in_range = in_range;
bt_put(packet);
+ bt_put(writer_packet);
bt_put(packet_context);
bt_put(timestamp_begin);
bt_put(timestamp_end);
- return ret;
+ return new_notification;
+}
+
+static
+struct bt_notification *evaluate_stream_notification(
+ struct bt_notification *notification,
+ struct trimmer_iterator *trim_it)
+{
+ struct bt_ctf_stream *stream;
+
+ stream = bt_notification_stream_end_get_stream(notification);
+ assert(stream);
+
+ /* FIXME: useless copy */
+ return bt_notification_stream_end_create(stream);
}
/* Return true if the notification should be forwarded. */
static
enum bt_notification_iterator_status evaluate_notification(
- struct bt_notification *notification,
+ struct bt_notification **notification,
+ struct trimmer_iterator *trim_it,
struct trimmer_bound *begin, struct trimmer_bound *end,
bool *in_range)
{
enum bt_notification_type type;
- enum bt_notification_iterator_status ret =
- BT_NOTIFICATION_ITERATOR_STATUS_OK;
+ struct bt_notification *new_notification = NULL;
*in_range = true;
- type = bt_notification_get_type(notification);
+ type = bt_notification_get_type(*notification);
switch (type) {
case BT_NOTIFICATION_TYPE_EVENT:
- ret = evaluate_event_notification(notification, begin,
- end, in_range);
+ new_notification = evaluate_event_notification(*notification,
+ trim_it, begin, end, in_range);
break;
case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
case BT_NOTIFICATION_TYPE_PACKET_END:
- ret = evaluate_packet_notification(notification, begin,
- end, in_range);
+ new_notification = evaluate_packet_notification(*notification,
+ trim_it, begin, end, in_range);
+ break;
+ case BT_NOTIFICATION_TYPE_STREAM_END:
+ new_notification = evaluate_stream_notification(*notification,
+ trim_it);
break;
default:
/* Accept all other notifications. */
break;
}
- return ret;
+ BT_PUT(*notification);
+ *notification = new_notification;
+
+ return BT_NOTIFICATION_ITERATOR_STATUS_OK;
}
BT_HIDDEN
goto end;
}
- ret.status = evaluate_notification(ret.notification,
+ ret.status = evaluate_notification(&ret.notification, trim_it,
&trimmer->begin, &trimmer->end,
¬ification_in_range);
if (!notification_in_range) {
- bt_put(ret.notification);
+ BT_PUT(ret.notification);
}
if (ret.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) {
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