static int ltt_seek_next_event(LttTracefile *tf);
static void __attribute__((constructor)) init(void);
static void ltt_update_event_size(LttTracefile *tf);
+
+/* Enable event debugging */
+static int a_event_debug = 0;
+
+void ltt_event_debug(int state)
+{
+ a_event_debug = state;
+}
+
//void precompute_offsets(LttFacility *fac, LttEventType *event);
#if 0
// t->compact_facilities = NULL;
}
- printf("init size : %d\n", sizeof(LttTracefile));
-
-
switch(any->major_version) {
case 0:
tf->tsc_lsb_truncate = vheader->tsc_lsb_truncate;
tf->tscbits = vheader->tscbits;
tf->tsc_msb_cutoff = 32 - tf->tsc_lsb_truncate - tf->tscbits;
+ tf->compact_event_bits = 32 - vheader->compact_data_shift;
tf->tsc_mask = ((1ULL << (tf->tscbits))-1);
tf->tsc_mask = tf->tsc_mask << tf->tsc_lsb_truncate;
tf->tsc_mask_next_bit = (1ULL<<(tf->tscbits));
(double)t->start_tsc
* (1000000000.0 / tf->trace->freq_scale)
/ (double)t->start_freq);
- t->compact_event_bits = 0;
}
}
break;
if(num+1 > old_len)
group = g_array_set_size(group, num+1);
g_array_index (group, LttTracefile, num) = tmp_tf;
-
+ g_array_index (group, LttTracefile, num).event.tracefile =
+ &g_array_index (group, LttTracefile, num);
}
}
//pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment);
pos += ltt_align((size_t)pos, sizeof(uint16_t), tf->alignment);
id = ltt_get_uint16(LTT_GET_BO(tf), pos);
+ g_debug("In MARKER_ID_SET_MARKER_ID of marker %s id %hu",
+ marker_name, id);
pos += sizeof(guint16);
int_size = *(guint8*)pos;
pos += sizeof(guint8);
return 0;
}
+static void print_debug_event_header(LttEvent *ev, void *start_pos, void *end_pos)
+{
+ unsigned int offset = 0;
+ int i, j;
+
+ g_printf("Event header (tracefile %s offset %llx):\n",
+ g_quark_to_string(ev->tracefile->long_name),
+ ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size)
+ + (long)start_pos - (long)ev->tracefile->buffer.head);
+
+ while (offset < (long)end_pos - (long)start_pos) {
+ g_printf("%8lx", (long)start_pos - (long)ev->tracefile->buffer.head + offset);
+ g_printf(" ");
+
+ for (i = 0; i < 4 ; i++) {
+ for (j = 0; j < 4; j++) {
+ if (offset + ((i * 4) + j) <
+ (long)end_pos - (long)start_pos)
+ g_printf("%02hhX",
+ ((char*)start_pos)[offset + ((i * 4) + j)]);
+ else
+ g_printf(" ");
+ g_printf(" ");
+ }
+ if (i < 4)
+ g_printf(" ");
+ }
+ offset+=16;
+ g_printf("\n");
+ }
+}
+
/* same as ltt_tracefile_read, but does not seek to the next event nor call
* event specific operation. */
{
void * pos;
LttEvent *event;
+ void *pos_aligned;
event = &tf->event;
pos = tf->buffer.head + event->offset;
g_assert(tf->has_heartbeat);
pos += ltt_align((size_t)pos, sizeof(uint32_t), tf->alignment);
}
+ pos_aligned = pos;
if(tf->has_heartbeat) {
event->timestamp = ltt_get_uint32(LTT_GET_BO(tf),
/* We keep the LSB of the previous timestamp, to make sure
* we never go back */
event->event_id = event->timestamp >> tf->tscbits;
- event->event_id = event->event_id & ((1 << tf->trace->compact_event_bits) - 1);
+ event->event_id = event->event_id & ((1 << tf->compact_event_bits) - 1);
event->compact_data = event->timestamp >>
- (tf->trace->compact_event_bits + tf->tscbits);
+ (tf->compact_event_bits + tf->tscbits);
//printf("tsc bits %u, ev bits %u init data %u\n",
// tf->tscbits, tf->trace->compact_event_bits, event->compact_data);
/* Put the compact data back in original endianness */
} else {
/* Compact event */
}
+
+ if (a_event_debug)
+ print_debug_event_header(event, pos_aligned, pos);
+
/* Align the head */
if(!tf->compact)
pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment);
}
+static void print_debug_event_data(LttEvent *ev)
+{
+ unsigned int offset = 0;
+ int i, j;
+
+ if (!max(ev->event_size, ev->data_size))
+ return;
+
+ g_printf("Event data (tracefile %s offset %llx):\n",
+ g_quark_to_string(ev->tracefile->long_name),
+ ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size)
+ + (long)ev->data - (long)ev->tracefile->buffer.head);
+
+ while (offset < max(ev->event_size, ev->data_size)) {
+ g_printf("%8lx", (long)ev->data + offset
+ - (long)ev->tracefile->buffer.head);
+ g_printf(" ");
+
+ for (i = 0; i < 4 ; i++) {
+ for (j = 0; j < 4; j++) {
+ if (offset + ((i * 4) + j) < max(ev->event_size, ev->data_size))
+ g_printf("%02hhX", ((char*)ev->data)[offset + ((i * 4) + j)]);
+ else
+ g_printf(" ");
+ g_printf(" ");
+ }
+ if (i < 4)
+ g_printf(" ");
+ }
+
+ g_printf(" ");
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (offset + ((i * 4) + j) < max(ev->event_size, ev->data_size)) {
+ if (isprint(((char*)ev->data)[offset + ((i * 4) + j)]))
+ g_printf("%c", ((char*)ev->data)[offset + ((i * 4) + j)]);
+ else
+ g_printf(".");
+ } else
+ g_printf(" ");
+ }
+ }
+ offset+=16;
+ g_printf("\n");
+ }
+}
+
/* It will update the fields offsets too */
void ltt_update_event_size(LttTracefile *tf)
{
switch((enum marker_id)tf->event.event_id) {
case MARKER_ID_SET_MARKER_ID:
size = strlen((char*)tf->event.data) + 1;
- //g_debug("marker %s id set", (char*)tf->event.data);
+ g_debug("marker %s id set", (char*)tf->event.data);
size += ltt_align(size, sizeof(guint16), tf->alignment);
size += sizeof(guint16);
size += sizeof(guint8);
size += sizeof(guint8);
break;
case MARKER_ID_SET_MARKER_FORMAT:
- //g_debug("marker %s format set", (char*)tf->event.data);
+ g_debug("marker %s format set", (char*)tf->event.data);
size = strlen((char*)tf->event.data) + 1;
size += strlen((char*)tf->event.data + size) + 1;
break;
case MARKER_ID_HEARTBEAT_32:
- //g_debug("Update Event heartbeat 32 bits");
+ g_debug("Update Event heartbeat 32 bits");
break;
case MARKER_ID_HEARTBEAT_64:
- //g_debug("Update Event heartbeat 64 bits");
+ g_debug("Update Event heartbeat 64 bits");
tscdata = (char*)(tf->event.data);
tf->event.tsc = ltt_get_uint64(LTT_GET_BO(tf), tscdata);
tf->buffer.tsc = tf->event.tsc;
/* Event size too big to fit in the event size field */
tf->event.event_size = tf->event.data_size;
}
+
+ if (a_event_debug)
+ print_debug_event_data(&tf->event);
+
+ /* Having a marker load or marker format event out of the facilities
+ * tracefiles is a serious bug. */
+ switch((enum marker_id)tf->event.event_id) {
+ case MARKER_ID_SET_MARKER_ID:
+ case MARKER_ID_SET_MARKER_FORMAT:
+ if (tf->name != g_quark_from_string("/control/facilities"))
+ g_error("Trace inconsistency : metadata event found in data "
+ "tracefile %s", g_quark_to_string(tf->long_name));
+ }
+
if (tf->event.data_size != tf->event.event_size) {
struct marker_info *info = marker_get_info_from_id(tf->trace,
tf->event.event_id);
LttTracefile *ltt_tracefile_new()
{
- return g_new(LttTracefile, 1);
+ LttTracefile *tf;
+ tf = g_new(LttTracefile, 1);
+ tf->event.tracefile = tf;
+ return tf;
}
void ltt_tracefile_destroy(LttTracefile *tf)