Filter: use hash table to check merge points

[lttng-ust.git] / liblttng-ust / ltt-ring-buffer-client.h

diff --git a/liblttng-ust/ltt-ring-buffer-client.h b/liblttng-ust/ltt-ring-buffer-client.h
index e041803c34705813e59ab43e0fbe09ca97f34bb1..0b6cd3e4536935f90bd183d006bdc6184cb4f95b 100644 (file)
--- a/liblttng-ust/ltt-ring-buffer-client.h
+++ b/liblttng-ust/ltt-ring-buffer-client.h
@@ -24,6 +24,7 @@
 #include <lttng/ust-events.h>
 #include "lttng/bitfield.h"
 #include "clock.h"
+#include "lttng-ust-uuid.h"
 #include "ltt-tracer.h"
 #include "../libringbuffer/frontend_types.h"
 
@@ -43,14 +44,14 @@ struct packet_header {
                                         * Trace magic number.
                                         * contains endianness information.
                                         */
-       uint8_t uuid[16];
+       uint8_t uuid[LTTNG_UST_UUID_LEN];
        uint32_t stream_id;
 
        struct {
                /* Stream packet context */
                uint64_t timestamp_begin;       /* Cycle count at subbuffer start */
                uint64_t timestamp_end;         /* Cycle count at subbuffer end */
-               uint32_t events_discarded;      /*
+               unsigned long events_discarded; /*
                                                 * Events lost in this subbuffer since
                                                 * the beginning of the trace.
                                                 * (may overflow)
@@ -366,11 +367,8 @@ static void client_buffer_end(struct lttng_ust_lib_ring_buffer *buf, uint64_t ts
        header->ctx.timestamp_end = tsc;
        header->ctx.content_size = data_size * CHAR_BIT;        /* in bits */
        header->ctx.packet_size = PAGE_ALIGN(data_size) * CHAR_BIT; /* in bits */
-       /*
-        * We do not care about the records lost count, because the metadata
-        * channel waits and retry.
-        */
-       (void) lib_ring_buffer_get_records_lost_full(&client_config, buf);
+
+       records_lost += lib_ring_buffer_get_records_lost_full(&client_config, buf);
        records_lost += lib_ring_buffer_get_records_lost_wrap(&client_config, buf);
        records_lost += lib_ring_buffer_get_records_lost_big(&client_config, buf);
        header->ctx.events_discarded = records_lost;