typedef guint64 uint64_t;
/* Subbuffer header */
-struct ltt_subbuffer_header_2_1 {
+struct ltt_subbuffer_header_2_2 {
uint64_t cycle_count_begin; /* Cycle count at subbuffer start */
uint64_t cycle_count_end; /* Cycle count at subbuffer end */
uint32_t magic_number; /*
uint32_t freq_scale; /* Frequency scaling */
uint32_t lost_size; /* Size unused at end of subbuffer */
uint32_t buf_size; /* Size of this subbuffer */
+ uint32_t events_lost; /*
+ * Events lost in this subbuffer since
+ * last subbuffer switch.
+ */
+ uint32_t subbuf_corrupt; /*
+ * Corrupted (lost) subbuffers since
+ * the begginig of the trace.
+ */
char header_end[0]; /* End of header */
};
-typedef struct ltt_subbuffer_header_2_1 ltt_subbuffer_header_t;
+typedef struct ltt_subbuffer_header_2_2 ltt_subbuffer_header_t;
/*
* Return header size without padding after the structure. Don't use packed
uint8_t tscbits;
uint8_t eventbits;
uint64_t tsc_mask;
- uint64_t tsc_mask_next_bit; //next MSB after the mask
+ uint64_t tsc_mask_next_bit; //next MSB after the mask<
+ uint32_t events_lost;
+ uint32_t subbuf_corrupt;
/* Current event */
LttEvent event; //Event currently accessible in the trace
break;
case 2:
switch(header->minor_version) {
- case 1:
+ case 2:
{
- struct ltt_subbuffer_header_2_1 *vheader = header;
+ struct ltt_subbuffer_header_2_2 *vheader = header;
tf->buffer_header_size = ltt_subbuffer_header_size();
tf->tscbits = 27;
tf->eventbits = 5;
tf->file_size = lTDFStat.st_size;
tf->buf_size = ltt_get_uint32(LTT_GET_BO(tf), &header->buf_size);
tf->num_blocks = tf->file_size / tf->buf_size;
+ tf->events_lost = 0;
+ tf->subbuf_corrupt = 0;
if(munmap(tf->buffer.head,
PAGE_ALIGN(ltt_subbuffer_header_size()))) {
tf->event.block = block_num;
tf->event.offset = 0;
+ if (tf->events_lost != header->events_lost) {
+ g_warning("%d events lost in tracefile %s",
+ tf->events_lost - header->events_lost,
+ g_quark_to_string(tf->long_name));
+ tf->events_lost = header->events_lost;
+ }
+ if (tf->subbuf_corrupt != header->subbuf_corrupt) {
+ g_warning("%d subbuffer(s) corrupted in tracefile %s",
+ tf->subbuf_corrupt - header->subbuf_corrupt,
+ g_quark_to_string(tf->long_name));
+ tf->subbuf_corrupt = header->subbuf_corrupt;
+ }
+
return 0;
map_error: