#include <babeltrace/ctf/metadata.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/ctf/events-internal.h>
+#include <babeltrace/trace-handle-internal.h>
+#include <babeltrace/context-internal.h>
+#include <babeltrace/uuid.h>
+#include <babeltrace/endian.h>
#include <inttypes.h>
#include <stdio.h>
-#include <uuid/uuid.h>
#include <sys/mman.h>
#include <errno.h>
-#include <endian.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "metadata/ctf-parser.h"
#include "metadata/ctf-ast.h"
#include "events-private.h"
+#include "memstream.h"
/*
* We currently simply map a page to read the packet header and packet
*/
#define MAX_PACKET_HEADER_LEN (getpagesize() * CHAR_BIT)
#define WRITE_PACKET_LEN (getpagesize() * 8 * CHAR_BIT)
-#define UUID_LEN 16 /* uuid by value len */
#ifndef min
#define min(a, b) (((a) < (b)) ? (a) : (b))
#define NSEC_PER_SEC 1000000000ULL
-int opt_clock_raw,
+int opt_clock_cycles,
opt_clock_seconds,
opt_clock_date,
opt_clock_gmt;
void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence),
FILE *metadata_fp);
+static
+void ctf_set_context(struct trace_descriptor *descriptor,
+ struct bt_context *ctx);
+static
+void ctf_set_handle(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle);
static
void ctf_close_trace(struct trace_descriptor *descriptor);
+static
+uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type);
+static
+uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type);
+static
+int ctf_convert_index_timestamp(struct trace_descriptor *tdp);
static
rw_dispatch read_dispatch_table[] = {
.open_trace = ctf_open_trace,
.open_mmap_trace = ctf_open_mmap_trace,
.close_trace = ctf_close_trace,
+ .set_context = ctf_set_context,
+ .set_handle = ctf_set_handle,
+ .timestamp_begin = ctf_timestamp_begin,
+ .timestamp_end = ctf_timestamp_end,
+ .convert_index_timestamp = ctf_convert_index_timestamp,
};
+static
+uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type)
+{
+ struct ctf_trace *tin;
+ uint64_t begin = ULLONG_MAX;
+ int i, j;
+
+ tin = container_of(descriptor, struct ctf_trace, parent);
+
+ if (!tin)
+ goto error;
+
+ /* for each stream_class */
+ for (i = 0; i < tin->streams->len; i++) {
+ struct ctf_stream_declaration *stream_class;
+
+ stream_class = g_ptr_array_index(tin->streams, i);
+ if (!stream_class)
+ continue;
+ /* for each file_stream */
+ for (j = 0; j < stream_class->streams->len; j++) {
+ struct ctf_stream_definition *stream;
+ struct ctf_file_stream *cfs;
+ struct ctf_stream_pos *stream_pos;
+ struct packet_index *index;
+
+ stream = g_ptr_array_index(stream_class->streams, j);
+ cfs = container_of(stream, struct ctf_file_stream,
+ parent);
+ stream_pos = &cfs->pos;
+
+ if (!stream_pos->packet_real_index)
+ goto error;
+
+ if (stream_pos->packet_real_index->len <= 0)
+ continue;
+
+ if (type == BT_CLOCK_REAL) {
+ index = &g_array_index(stream_pos->packet_real_index,
+ struct packet_index,
+ stream_pos->packet_real_index->len - 1);
+ } else if (type == BT_CLOCK_CYCLES) {
+ index = &g_array_index(stream_pos->packet_cycles_index,
+ struct packet_index,
+ stream_pos->packet_real_index->len - 1);
+
+ } else {
+ goto error;
+ }
+ if (index->timestamp_begin < begin)
+ begin = index->timestamp_begin;
+ }
+ }
+
+ return begin;
+
+error:
+ return -1ULL;
+}
+
+static
+uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type)
+{
+ struct ctf_trace *tin;
+ uint64_t end = 0;
+ int i, j;
+
+ tin = container_of(descriptor, struct ctf_trace, parent);
+
+ if (!tin)
+ goto error;
+
+ /* for each stream_class */
+ for (i = 0; i < tin->streams->len; i++) {
+ struct ctf_stream_declaration *stream_class;
+
+ stream_class = g_ptr_array_index(tin->streams, i);
+ if (!stream_class)
+ continue;
+ /* for each file_stream */
+ for (j = 0; j < stream_class->streams->len; j++) {
+ struct ctf_stream_definition *stream;
+ struct ctf_file_stream *cfs;
+ struct ctf_stream_pos *stream_pos;
+ struct packet_index *index;
+
+ stream = g_ptr_array_index(stream_class->streams, j);
+ cfs = container_of(stream, struct ctf_file_stream,
+ parent);
+ stream_pos = &cfs->pos;
+
+ if (!stream_pos->packet_real_index)
+ goto error;
+
+ if (stream_pos->packet_real_index->len <= 0)
+ continue;
+
+ if (type == BT_CLOCK_REAL) {
+ index = &g_array_index(stream_pos->packet_real_index,
+ struct packet_index,
+ stream_pos->packet_real_index->len - 1);
+ } else if (type == BT_CLOCK_CYCLES) {
+ index = &g_array_index(stream_pos->packet_cycles_index,
+ struct packet_index,
+ stream_pos->packet_real_index->len - 1);
+
+ } else {
+ goto error;
+ }
+ if (index->timestamp_end > end)
+ end = index->timestamp_end;
+ }
+ }
+
+ return end;
+
+error:
+ return -1ULL;
+}
+
/*
- * Update stream current timestamp, keep at clock frequency.
+ * Update stream current timestamp
*/
static
-void ctf_update_timestamp(struct ctf_stream *stream,
+void ctf_update_timestamp(struct ctf_stream_definition *stream,
struct definition_integer *integer_definition)
{
struct declaration_integer *integer_declaration =
uint64_t oldval, newval, updateval;
if (unlikely(integer_declaration->len == 64)) {
- stream->timestamp = integer_definition->value._unsigned;
+ stream->prev_cycles_timestamp = stream->cycles_timestamp;
+ stream->cycles_timestamp = integer_definition->value._unsigned;
+ stream->prev_real_timestamp = ctf_get_real_timestamp(stream,
+ stream->prev_cycles_timestamp);
+ stream->real_timestamp = ctf_get_real_timestamp(stream,
+ stream->cycles_timestamp);
return;
}
/* keep low bits */
- oldval = stream->timestamp;
+ oldval = stream->cycles_timestamp;
oldval &= (1ULL << integer_declaration->len) - 1;
newval = integer_definition->value._unsigned;
/* Test for overflow by comparing low bits */
if (newval < oldval)
newval += 1ULL << integer_declaration->len;
/* updateval contains old high bits, and new low bits (sum) */
- updateval = stream->timestamp;
+ updateval = stream->cycles_timestamp;
updateval &= ~((1ULL << integer_declaration->len) - 1);
updateval += newval;
- stream->prev_timestamp = stream->timestamp;
- stream->timestamp = updateval;
+ stream->prev_cycles_timestamp = stream->cycles_timestamp;
+ stream->cycles_timestamp = updateval;
+
+ /* convert to real timestamp */
+ stream->prev_real_timestamp = ctf_get_real_timestamp(stream,
+ stream->prev_cycles_timestamp);
+ stream->real_timestamp = ctf_get_real_timestamp(stream,
+ stream->cycles_timestamp);
}
/*
* Print timestamp, rescaling clock frequency to nanoseconds and
* applying offsets as needed (unix time).
*/
-void ctf_print_timestamp(FILE *fp,
- struct ctf_stream *stream,
+void ctf_print_timestamp_real(FILE *fp,
+ struct ctf_stream_definition *stream,
uint64_t timestamp)
{
uint64_t ts_sec = 0, ts_nsec;
- if (opt_clock_raw) {
- ts_nsec = ctf_get_timestamp_raw(stream, timestamp);
- } else {
- ts_nsec = ctf_get_timestamp(stream, timestamp);
- }
+ ts_nsec = timestamp;
/* Add command-line offset */
ts_sec += opt_clock_offset;
return;
}
+/*
+ * Print timestamp, in cycles
+ */
+void ctf_print_timestamp_cycles(FILE *fp,
+ struct ctf_stream_definition *stream,
+ uint64_t timestamp)
+{
+ fprintf(fp, "%020" PRIu64, timestamp);
+}
+
+void ctf_print_timestamp(FILE *fp,
+ struct ctf_stream_definition *stream,
+ uint64_t timestamp)
+{
+ if (opt_clock_cycles) {
+ ctf_print_timestamp_cycles(fp, stream, timestamp);
+ } else {
+ ctf_print_timestamp_real(fp, stream, timestamp);
+ }
+}
+
static
-int ctf_read_event(struct stream_pos *ppos, struct ctf_stream *stream)
+int ctf_read_event(struct stream_pos *ppos, struct ctf_stream_definition *stream)
{
struct ctf_stream_pos *pos =
container_of(ppos, struct ctf_stream_pos, parent);
- struct ctf_stream_class *stream_class = stream->stream_class;
- struct ctf_stream_event *event;
+ struct ctf_stream_declaration *stream_class = stream->stream_class;
+ struct ctf_event_definition *event;
uint64_t id = 0;
int ret;
/* save the current position as a restore point */
pos->last_offset = pos->offset;
- /* we just read the event, it is consumed when used by the caller */
- stream->consumed = 0;
/*
* This is the EOF check after we've advanced the position in
}
static
-int ctf_write_event(struct stream_pos *pos, struct ctf_stream *stream)
+int ctf_write_event(struct stream_pos *pos, struct ctf_stream_definition *stream)
{
- struct ctf_stream_class *stream_class = stream->stream_class;
- struct ctf_stream_event *event;
+ struct ctf_stream_declaration *stream_class = stream->stream_class;
+ struct ctf_event_definition *event;
uint64_t id;
int ret;
void ctf_init_pos(struct ctf_stream_pos *pos, int fd, int open_flags)
{
pos->fd = fd;
- pos->mmap_offset = 0;
- pos->packet_size = 0;
- pos->content_size = 0;
- pos->content_size_loc = NULL;
- pos->base = NULL;
- pos->offset = 0;
- pos->dummy = false;
- pos->cur_index = 0;
- if (fd >= 0)
- pos->packet_index = g_array_new(FALSE, TRUE,
+ if (fd >= 0) {
+ pos->packet_cycles_index = g_array_new(FALSE, TRUE,
sizeof(struct packet_index));
- else
- pos->packet_index = NULL;
+ pos->packet_real_index = g_array_new(FALSE, TRUE,
+ sizeof(struct packet_index));
+ } else {
+ pos->packet_cycles_index = NULL;
+ pos->packet_real_index = NULL;
+ }
switch (open_flags & O_ACCMODE) {
case O_RDONLY:
pos->prot = PROT_READ;
if (pos->prot == PROT_WRITE && pos->content_size_loc)
*pos->content_size_loc = pos->offset;
- if (pos->base) {
+ if (pos->base_mma) {
/* unmap old base */
- ret = munmap(pos->base, pos->packet_size / CHAR_BIT);
+ ret = munmap_align(pos->base_mma);
if (ret) {
fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
strerror(errno));
assert(0);
}
}
- (void) g_array_free(pos->packet_index, TRUE);
+ if (pos->packet_cycles_index)
+ (void) g_array_free(pos->packet_cycles_index, TRUE);
+ if (pos->packet_real_index)
+ (void) g_array_free(pos->packet_real_index, TRUE);
}
/*
if (pos->prot == PROT_WRITE && pos->content_size_loc)
*pos->content_size_loc = pos->offset;
- if (pos->base) {
+ if (pos->base_mma) {
/* unmap old base */
- ret = munmap(pos->base, pos->packet_size / CHAR_BIT);
+ ret = munmap_align(pos->base_mma);
if (ret) {
fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
strerror(errno));
assert(0);
}
- pos->base = NULL;
+ pos->base_mma = NULL;
}
/*
switch (whence) {
case SEEK_CUR:
{
- uint32_t events_discarded_diff;
+ uint64_t events_discarded_diff;
if (pos->offset == EOF) {
return;
}
/* For printing discarded event count */
- packet_index = &g_array_index(pos->packet_index,
+ packet_index = &g_array_index(pos->packet_cycles_index,
struct packet_index, pos->cur_index);
- events_discarded_diff = packet_index->events_discarded;
- file_stream->parent.prev_timestamp_end =
+ file_stream->parent.prev_cycles_timestamp_end =
+ packet_index->timestamp_end;
+ file_stream->parent.prev_cycles_timestamp =
+ packet_index->timestamp_begin;
+
+ packet_index = &g_array_index(pos->packet_real_index,
+ struct packet_index, pos->cur_index);
+ file_stream->parent.prev_real_timestamp_end =
packet_index->timestamp_end;
+ file_stream->parent.prev_real_timestamp =
+ packet_index->timestamp_begin;
+
+ events_discarded_diff = packet_index->events_discarded;
if (pos->cur_index > 0) {
- packet_index = &g_array_index(pos->packet_index,
+ packet_index = &g_array_index(pos->packet_real_index,
struct packet_index,
pos->cur_index - 1);
events_discarded_diff -= packet_index->events_discarded;
+ /*
+ * Deal with 32-bit wrap-around if the
+ * tracer provided a 32-bit field.
+ */
+ if (packet_index->events_discarded_len == 32) {
+ events_discarded_diff = (uint32_t) events_discarded_diff;
+ }
}
file_stream->parent.events_discarded = events_discarded_diff;
- file_stream->parent.prev_timestamp = file_stream->parent.timestamp;
+ file_stream->parent.prev_real_timestamp = file_stream->parent.real_timestamp;
+ file_stream->parent.prev_cycles_timestamp = file_stream->parent.cycles_timestamp;
/* The reader will expect us to skip padding */
++pos->cur_index;
break;
}
case SEEK_SET:
pos->cur_index = index;
- file_stream->parent.prev_timestamp = 0;
- file_stream->parent.prev_timestamp_end = 0;
+ file_stream->parent.prev_real_timestamp = 0;
+ file_stream->parent.prev_real_timestamp_end = 0;
+ file_stream->parent.prev_cycles_timestamp = 0;
+ file_stream->parent.prev_cycles_timestamp_end = 0;
break;
default:
assert(0);
}
- if (pos->cur_index >= pos->packet_index->len) {
+ if (pos->cur_index >= pos->packet_real_index->len) {
/*
* When a stream reaches the end of the
* file, we need to show the number of
*/
if ((&file_stream->parent)->stream_class->trace->collection) {
fflush(stdout);
- fprintf(stderr, "[warning] Tracer discarded %d events at end of stream between [",
+ fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events at end of stream between [",
file_stream->parent.events_discarded);
- ctf_print_timestamp(stderr, &file_stream->parent,
- file_stream->parent.prev_timestamp);
- fprintf(stderr, "] and [");
- ctf_print_timestamp(stderr, &file_stream->parent,
- file_stream->parent.prev_timestamp_end);
- fprintf(stderr, "]. You should consider increasing the buffer size.\n");
+ if (opt_clock_cycles) {
+ ctf_print_timestamp(stderr,
+ &file_stream->parent,
+ file_stream->parent.prev_cycles_timestamp);
+ fprintf(stderr, "] and [");
+ ctf_print_timestamp(stderr, &file_stream->parent,
+ file_stream->parent.prev_cycles_timestamp_end);
+ } else {
+ ctf_print_timestamp(stderr,
+ &file_stream->parent,
+ file_stream->parent.prev_real_timestamp);
+ fprintf(stderr, "] and [");
+ ctf_print_timestamp(stderr, &file_stream->parent,
+ file_stream->parent.prev_real_timestamp_end);
+ }
+ fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n");
fflush(stderr);
}
file_stream->parent.events_discarded = 0;
pos->offset = EOF;
return;
}
- packet_index = &g_array_index(pos->packet_index, struct packet_index,
- pos->cur_index);
+ packet_index = &g_array_index(pos->packet_cycles_index,
+ struct packet_index,
+ pos->cur_index);
+ file_stream->parent.cycles_timestamp = packet_index->timestamp_begin;
+
+ packet_index = &g_array_index(pos->packet_real_index,
+ struct packet_index,
+ pos->cur_index);
+ file_stream->parent.real_timestamp = packet_index->timestamp_begin;
pos->mmap_offset = packet_index->offset;
/* Lookup context/packet size in index */
- file_stream->parent.timestamp = packet_index->timestamp_begin;
pos->content_size = packet_index->content_size;
pos->packet_size = packet_index->packet_size;
if (packet_index->data_offset < packet_index->content_size) {
}
}
/* map new base. Need mapping length from header. */
- pos->base = mmap(NULL, pos->packet_size / CHAR_BIT, pos->prot,
- pos->flags, pos->fd, pos->mmap_offset);
- if (pos->base == MAP_FAILED) {
+ pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot,
+ pos->flags, pos->fd, pos->mmap_offset);
+ if (pos->base_mma == MAP_FAILED) {
fprintf(stderr, "[error] mmap error %s.\n",
strerror(errno));
assert(0);
memcpy(td->uuid, header.uuid, sizeof(header.uuid));
CTF_TRACE_SET_FIELD(td, uuid);
} else {
- if (uuid_compare(header.uuid, td->uuid))
+ if (babeltrace_uuid_compare(header.uuid, td->uuid))
return -EINVAL;
}
* because its size includes garbage at the end (after final
* \0). This is the allocated size, not the actual string size.
*/
- out = open_memstream(buf, &size);
+ out = babeltrace_open_memstream(buf, &size);
if (out == NULL) {
perror("Metadata open_memstream");
return -errno;
break;
}
}
- fclose(out); /* flush the buffer */
+ /* close to flush the buffer */
+ ret = babeltrace_close_memstream(buf, &size, out);
+ if (ret < 0) {
+ perror("babeltrace_flush_memstream");
+ fclose(in);
+ return -errno;
+ }
fclose(in);
/* open for reading */
- *fp = fmemopen(*buf, strlen(*buf), "rb");
+ *fp = babeltrace_fmemopen(*buf, strlen(*buf), "rb");
if (!*fp) {
perror("Metadata fmemopen");
return -errno;
int ret = 0;
metadata_stream = g_new0(struct ctf_file_stream, 1);
+ metadata_stream->pos.last_offset = LAST_OFFSET_POISON;
if (packet_seek) {
metadata_stream->pos.packet_seek = packet_seek;
if (metadata_fp) {
fp = metadata_fp;
+ metadata_stream->pos.fd = -1;
} else {
td->metadata = &metadata_stream->parent;
metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY);
ctf_scanner_free(scanner);
end_scanner_alloc:
end_packet_read:
- fclose(fp);
+ if (fp)
+ fclose(fp);
free(buf);
end_stream:
- close(metadata_stream->pos.fd);
+ if (metadata_stream->pos.fd >= 0)
+ close(metadata_stream->pos.fd);
if (ret)
g_free(metadata_stream);
return ret;
}
static
-struct ctf_stream_event *create_event_definitions(struct ctf_trace *td,
- struct ctf_stream *stream,
- struct ctf_event *event)
+struct ctf_event_definition *create_event_definitions(struct ctf_trace *td,
+ struct ctf_stream_definition *stream,
+ struct ctf_event_declaration *event)
{
- struct ctf_stream_event *stream_event = g_new0(struct ctf_stream_event, 1);
+ struct ctf_event_definition *stream_event = g_new0(struct ctf_event_definition, 1);
if (event->context_decl) {
struct definition *definition =
struct definition_struct, p);
stream->parent_def_scope = stream_event->event_fields->p.scope;
}
+ stream_event->stream = stream;
return stream_event;
error:
}
static
-int create_stream_definitions(struct ctf_trace *td, struct ctf_stream *stream)
+int create_stream_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream)
{
- struct ctf_stream_class *stream_class;
+ struct ctf_stream_declaration *stream_class;
int ret;
int i;
stream->events_by_id = g_ptr_array_new();
g_ptr_array_set_size(stream->events_by_id, stream_class->events_by_id->len);
for (i = 0; i < stream->events_by_id->len; i++) {
- struct ctf_event *event = g_ptr_array_index(stream_class->events_by_id, i);
- struct ctf_stream_event *stream_event;
+ struct ctf_event_declaration *event = g_ptr_array_index(stream_class->events_by_id, i);
+ struct ctf_event_definition *stream_event;
if (!event)
continue;
error_event:
for (i = 0; i < stream->events_by_id->len; i++) {
- struct ctf_stream_event *stream_event = g_ptr_array_index(stream->events_by_id, i);
+ struct ctf_event_definition *stream_event = g_ptr_array_index(stream->events_by_id, i);
if (stream_event)
g_free(stream_event);
}
int create_stream_packet_index(struct ctf_trace *td,
struct ctf_file_stream *file_stream)
{
- struct ctf_stream_class *stream;
+ struct ctf_stream_declaration *stream;
int len_index;
struct ctf_stream_pos *pos;
struct stat filestats;
for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) {
uint64_t stream_id = 0;
- if (pos->base) {
+ if (pos->base_mma) {
/* unmap old base */
- ret = munmap(pos->base, pos->packet_size / CHAR_BIT);
+ ret = munmap_align(pos->base_mma);
if (ret) {
fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
strerror(errno));
return ret;
}
- pos->base = NULL;
+ pos->base_mma = NULL;
}
/* map new base. Need mapping length from header. */
- pos->base = mmap(NULL, MAX_PACKET_HEADER_LEN / CHAR_BIT, PROT_READ,
+ pos->base_mma = mmap_align(MAX_PACKET_HEADER_LEN / CHAR_BIT, PROT_READ,
MAP_PRIVATE, pos->fd, pos->mmap_offset);
+ assert(pos->base_mma != MAP_FAILED);
pos->content_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */
pos->packet_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */
pos->offset = 0; /* Position of the packet header */
if (magic != CTF_MAGIC) {
fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n",
magic,
- file_stream->pos.packet_index->len,
+ file_stream->pos.packet_cycles_index->len,
(ssize_t) pos->mmap_offset);
return -EINVAL;
}
struct definition_array *defarray;
struct definition *field;
uint64_t i;
- uint8_t uuidval[UUID_LEN];
+ uint8_t uuidval[BABELTRACE_UUID_LEN];
field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
assert(field->declaration->id == CTF_TYPE_ARRAY);
defarray = container_of(field, struct definition_array, p);
- assert(array_len(defarray) == UUID_LEN);
+ assert(array_len(defarray) == BABELTRACE_UUID_LEN);
- for (i = 0; i < UUID_LEN; i++) {
+ for (i = 0; i < BABELTRACE_UUID_LEN; i++) {
struct definition *elem;
elem = array_index(defarray, i);
uuidval[i] = get_unsigned_int(elem);
}
- ret = uuid_compare(td->uuid, uuidval);
+ ret = babeltrace_uuid_compare(td->uuid, uuidval);
if (ret) {
fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n");
return -EINVAL;
field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
packet_index.timestamp_begin = get_unsigned_int(field);
+ if (file_stream->parent.stream_class->trace->collection) {
+ packet_index.timestamp_begin =
+ ctf_get_real_timestamp(
+ &file_stream->parent,
+ packet_index.timestamp_begin);
+ }
}
/* read timestamp end from header */
field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
packet_index.timestamp_end = get_unsigned_int(field);
+ if (file_stream->parent.stream_class->trace->collection) {
+ packet_index.timestamp_end =
+ ctf_get_real_timestamp(
+ &file_stream->parent,
+ packet_index.timestamp_end);
+ }
}
/* read events discarded from header */
field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
packet_index.events_discarded = get_unsigned_int(field);
+ packet_index.events_discarded_len = get_int_len(field);
}
} else {
/* Use file size for packet size */
if (packet_index.packet_size > ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT) {
fprintf(stderr, "[error] Packet size (%" PRIu64 " bits) is larger than remaining file size (%" PRIu64 " bits).\n",
- packet_index.content_size, ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT);
+ packet_index.packet_size, ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT);
return -EINVAL;
}
packet_index.data_offset = pos->offset;
/* add index to packet array */
- g_array_append_val(file_stream->pos.packet_index, packet_index);
+ g_array_append_val(file_stream->pos.packet_cycles_index, packet_index);
pos->mmap_offset += packet_index.packet_size / CHAR_BIT;
}
- /* Move pos back to beginning of file */
- ctf_packet_seek(&pos->parent, 0, SEEK_SET); /* position for write */
-
return 0;
}
static
-int create_trace_definitions(struct ctf_trace *td, struct ctf_stream *stream)
+int create_trace_definitions(struct ctf_trace *td, struct ctf_stream_definition *stream)
{
int ret;
void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence))
{
- int ret;
+ int ret, fd;
struct ctf_file_stream *file_stream;
+ struct stat statbuf;
- ret = openat(td->dirfd, path, flags);
- if (ret < 0) {
+ fd = openat(td->dirfd, path, flags);
+ if (fd < 0) {
perror("File stream openat()");
+ ret = fd;
goto error;
}
+
+ /* Don't try to mmap subdirectories. Skip them, return success. */
+ ret = fstat(fd, &statbuf);
+ if (ret) {
+ perror("File stream fstat()");
+ goto fstat_error;
+ }
+ if (S_ISDIR(statbuf.st_mode)) {
+ fprintf(stderr, "[warning] Skipping directory '%s' found in trace\n", path);
+ ret = 0;
+ goto fd_is_dir_ok;
+ }
+
file_stream = g_new0(struct ctf_file_stream, 1);
+ file_stream->pos.last_offset = LAST_OFFSET_POISON;
if (packet_seek) {
file_stream->pos.packet_seek = packet_seek;
goto error_def;
}
- ctf_init_pos(&file_stream->pos, ret, flags);
+ ctf_init_pos(&file_stream->pos, fd, flags);
ret = create_trace_definitions(td, &file_stream->parent);
if (ret)
goto error_def;
/*
- * For now, only a single slock is supported.
+ * For now, only a single clock per trace is supported.
*/
file_stream->parent.current_clock = td->single_clock;
ret = create_stream_packet_index(td, file_stream);
definition_unref(&file_stream->parent.trace_packet_header->p);
error_def:
ctf_fini_pos(&file_stream->pos);
- close(file_stream->pos.fd);
g_free(file_stream);
+fd_is_dir_ok:
+fstat_error:
+ close(fd);
error:
return ret;
}
/* Open trace directory */
td->dir = opendir(path);
if (!td->dir) {
- fprintf(stderr, "[error] Unable to open trace directory.\n");
+ fprintf(stderr, "[error] Unable to open trace directory \"%s\".\n", path);
ret = -ENOENT;
goto error;
}
td->dirfd = open(path, 0);
if (td->dirfd < 0) {
- fprintf(stderr, "[error] Unable to open trace directory file descriptor.\n");
+ fprintf(stderr, "[error] Unable to open trace directory file descriptor for path \"%s\".\n", path);
perror("Trace directory open");
ret = -errno;
goto error_dirfd;
ret = ctf_open_trace_metadata_read(td, packet_seek, metadata_fp);
if (ret) {
+ fprintf(stderr, "[warning] Unable to open trace metadata for path \"%s\".\n", path);
goto error_metadata;
}
return ret;
}
+/*
+ * ctf_open_trace: Open a CTF trace and index it.
+ * Note that the user must seek the trace after the open (using the iterator)
+ * since the index creation read it entirely.
+ */
static
struct trace_descriptor *ctf_open_trace(const char *path, int flags,
void (*packet_seek)(struct stream_pos *pos, size_t index,
pos->content_size = 0;
pos->content_size_loc = NULL;
pos->fd = mmap_info->fd;
- pos->base = 0;
+ pos->base_mma = NULL;
pos->offset = 0;
pos->dummy = false;
pos->cur_index = 0;
- pos->packet_index = NULL;
+ pos->packet_cycles_index = NULL;
+ pos->packet_real_index = NULL;
pos->prot = PROT_READ;
pos->flags = MAP_PRIVATE;
pos->parent.rw_table = read_dispatch_table;
int prepare_mmap_stream_definition(struct ctf_trace *td,
struct ctf_file_stream *file_stream)
{
- struct ctf_stream_class *stream;
+ struct ctf_stream_declaration *stream;
uint64_t stream_id = 0;
int ret;
struct ctf_file_stream *file_stream;
file_stream = g_new0(struct ctf_file_stream, 1);
+ file_stream->pos.last_offset = LAST_OFFSET_POISON;
ctf_init_mmap_pos(&file_stream->pos, mmap_info);
file_stream->pos.packet_seek = packet_seek;
if (ret)
goto error_index;
+ /*
+ * For now, only a single clock per trace is supported.
+ */
+ file_stream->parent.current_clock = td->single_clock;
+
/* Add stream file to stream class */
g_ptr_array_add(file_stream->parent.stream_class->streams,
&file_stream->parent);
return NULL;
}
+static
+int ctf_convert_index_timestamp(struct trace_descriptor *tdp)
+{
+ int i, j, k;
+ struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent);
+
+ /* for each stream_class */
+ for (i = 0; i < td->streams->len; i++) {
+ struct ctf_stream_declaration *stream_class;
+
+ stream_class = g_ptr_array_index(td->streams, i);
+ if (!stream_class)
+ continue;
+ /* for each file_stream */
+ for (j = 0; j < stream_class->streams->len; j++) {
+ struct ctf_stream_definition *stream;
+ struct ctf_stream_pos *stream_pos;
+ struct ctf_file_stream *cfs;
+
+ stream = g_ptr_array_index(stream_class->streams, j);
+ if (!stream)
+ continue;
+ cfs = container_of(stream, struct ctf_file_stream,
+ parent);
+ stream_pos = &cfs->pos;
+ if (!stream_pos->packet_cycles_index)
+ continue;
+
+ for (k = 0; k < stream_pos->packet_cycles_index->len; k++) {
+ struct packet_index *index;
+ struct packet_index new_index;
+
+ index = &g_array_index(stream_pos->packet_cycles_index,
+ struct packet_index, k);
+ memcpy(&new_index, index,
+ sizeof(struct packet_index));
+ new_index.timestamp_begin =
+ ctf_get_real_timestamp(stream,
+ index->timestamp_begin);
+ new_index.timestamp_end =
+ ctf_get_real_timestamp(stream,
+ index->timestamp_end);
+ g_array_append_val(stream_pos->packet_real_index,
+ new_index);
+ }
+ }
+ }
+ return 0;
+}
+
static
void ctf_close_file_stream(struct ctf_file_stream *file_stream)
{
if (td->streams) {
for (i = 0; i < td->streams->len; i++) {
- struct ctf_stream_class *stream;
+ struct ctf_stream_declaration *stream;
int j;
stream = g_ptr_array_index(td->streams, i);
}
g_ptr_array_free(td->streams, TRUE);
}
+
+ if (td->event_declarations) {
+ for (i = 0; i < td->event_declarations->len; i++) {
+ struct bt_ctf_event_decl *event;
+
+ event = g_ptr_array_index(td->event_declarations, i);
+ if (event->context_decl)
+ g_ptr_array_free(event->context_decl, TRUE);
+ if (event->fields_decl)
+ g_ptr_array_free(event->fields_decl, TRUE);
+ if (event->packet_header_decl)
+ g_ptr_array_free(event->packet_header_decl, TRUE);
+ if (event->event_context_decl)
+ g_ptr_array_free(event->event_context_decl, TRUE);
+ if (event->event_header_decl)
+ g_ptr_array_free(event->event_header_decl, TRUE);
+ if (event->packet_context_decl)
+ g_ptr_array_free(event->packet_context_decl, TRUE);
+ g_free(event);
+ }
+ g_ptr_array_free(td->event_declarations, TRUE);
+ }
closedir(td->dir);
g_free(td);
}
+static
+void ctf_set_context(struct trace_descriptor *descriptor,
+ struct bt_context *ctx)
+{
+ struct ctf_trace *td = container_of(descriptor, struct ctf_trace,
+ parent);
+
+ td->ctx = ctx;
+}
+
+static
+void ctf_set_handle(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle)
+{
+ struct ctf_trace *td = container_of(descriptor, struct ctf_trace,
+ parent);
+
+ td->handle = handle;
+}
+
void __attribute__((constructor)) ctf_init(void)
{
int ret;