*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <babeltrace/format.h>
#include <babeltrace/ctf/types.h>
#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-scanner.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;
static
struct trace_descriptor *ctf_open_trace(const char *path, int flags,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
- int whence), FILE *metadata_fp);
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
+ int whence),
+ FILE *metadata_fp);
static
struct trace_descriptor *ctf_open_mmap_trace(
struct mmap_stream_list *mmap_list,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, int whence),
+ 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);
+int 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;
- struct ctf_trace *trace = stream->stream_class->trace;
- struct trace_collection *tc = trace->collection;
- uint64_t tc_offset = tc->single_clock_offset_avg;
- if (stream->current_clock->freq == 1000000000ULL) {
- ts_nsec = timestamp;
- } else {
- ts_nsec = (uint64_t) ((double) timestamp * 1000000000.0
- / (double) stream->current_clock->freq);
- }
+ ts_nsec = timestamp;
- /* Add offsets */
- if (!opt_clock_raw) {
- ts_nsec += tc_offset;
- }
+ /* Add command-line offset */
ts_sec += opt_clock_offset;
ts_sec += ts_nsec / NSEC_PER_SEC;
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;
return ret;
}
-void ctf_init_pos(struct ctf_stream_pos *pos, int fd, int open_flags)
+int 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;
pos->parent.rw_table = write_dispatch_table;
pos->parent.event_cb = ctf_write_event;
if (fd >= 0)
- ctf_move_pos_slow(pos, 0, SEEK_SET); /* position for write */
+ ctf_packet_seek(&pos->parent, 0, SEEK_SET); /* position for write */
break;
default:
assert(0);
}
+ return 0;
}
-void ctf_fini_pos(struct ctf_stream_pos *pos)
+int ctf_fini_pos(struct ctf_stream_pos *pos)
{
- int ret;
-
if (pos->prot == PROT_WRITE && pos->content_size_loc)
*pos->content_size_loc = pos->offset;
- if (pos->base) {
+ if (pos->base_mma) {
+ int ret;
+
/* 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);
+ return -1;
}
}
- (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);
+ return 0;
}
-void ctf_move_pos_slow(struct ctf_stream_pos *pos, size_t offset, int whence)
+/*
+ * for SEEK_CUR: go to next packet.
+ * for SEEK_POS: go to packet numer (index).
+ */
+void ctf_packet_seek(struct stream_pos *stream_pos, size_t index, int whence)
{
+ struct ctf_stream_pos *pos =
+ container_of(stream_pos, struct ctf_stream_pos, parent);
struct ctf_file_stream *file_stream =
container_of(pos, struct ctf_file_stream, pos);
int ret;
off_t off;
- struct packet_index *index;
+ struct packet_index *packet_index;
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:
/* The writer will add padding */
- assert(pos->offset + offset == pos->packet_size);
pos->mmap_offset += WRITE_PACKET_LEN / CHAR_BIT;
break;
case SEEK_SET:
- assert(offset == 0); /* only seek supported for now */
+ assert(index == 0); /* only seek supported for now */
pos->cur_index = 0;
break;
default:
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 */
- index = &g_array_index(pos->packet_index,
+ packet_index = &g_array_index(pos->packet_cycles_index,
+ struct packet_index, pos->cur_index);
+ 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);
- events_discarded_diff = index->events_discarded;
- file_stream->parent.prev_timestamp_end =
- index->timestamp_end;
+ 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) {
- 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 -= index->events_discarded;
+ 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 */
- assert(pos->offset + offset == pos->content_size);
++pos->cur_index;
break;
}
case SEEK_SET:
- if (offset == 0)
- pos->cur_index = 0;
- file_stream->parent.prev_timestamp = 0;
- file_stream->parent.prev_timestamp_end = 0;
+ packet_index = &g_array_index(pos->packet_cycles_index,
+ struct packet_index, index);
+ pos->last_events_discarded = packet_index->events_discarded;
+ pos->cur_index = index;
+ 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
* be printed in the output.
*/
if (file_stream->parent.events_discarded) {
- fflush(stdout);
- fprintf(stderr, "[warning] Tracer discarded %d 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");
- fflush(stderr);
+ /*
+ * We need to check if we are in trace
+ * read or called from packet indexing.
+ * In this last case, the collection is
+ * not there, so we cannot print the
+ * timestamps.
+ */
+ if ((&file_stream->parent)->stream_class->trace->collection) {
+ fflush(stdout);
+ fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events at end of stream between [",
+ file_stream->parent.events_discarded);
+ 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;
}
- index = &g_array_index(pos->packet_index, struct packet_index,
- pos->cur_index);
- pos->mmap_offset = index->offset;
+ 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 = index->timestamp_begin;
- pos->content_size = index->content_size;
- pos->packet_size = index->packet_size;
- if (index->data_offset < index->content_size) {
+ pos->content_size = packet_index->content_size;
+ pos->packet_size = packet_index->packet_size;
+ if (packet_index->data_offset < packet_index->content_size) {
pos->offset = 0; /* will read headers */
- } else if (index->data_offset == index->content_size) {
+ } else if (packet_index->data_offset == packet_index->content_size) {
/* empty packet */
- pos->offset = index->data_offset;
- offset = 0;
+ pos->offset = packet_index->data_offset;
whence = SEEK_CUR;
goto read_next_packet;
} else {
}
}
/* 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;
}
+ if ((header.content_size / CHAR_BIT) < header_sizeof(header))
+ return -EINVAL;
+
toread = (header.content_size / CHAR_BIT) - header_sizeof(header);
for (;;) {
* 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 */
- fclose(in);
+ /* close to flush the buffer */
+ ret = babeltrace_close_memstream(buf, &size, out);
+ if (ret < 0) {
+ int closeret;
+
+ perror("babeltrace_flush_memstream");
+ ret = -errno;
+ closeret = fclose(in);
+ if (closeret) {
+ perror("Error in fclose");
+ }
+ return ret;
+ }
+ ret = fclose(in);
+ if (ret) {
+ perror("Error in fclose");
+ }
/* open for reading */
- *fp = fmemopen(*buf, strlen(*buf), "rb");
+ *fp = babeltrace_fmemopen(*buf, strlen(*buf), "rb");
if (!*fp) {
perror("Metadata fmemopen");
return -errno;
static
int ctf_open_trace_metadata_read(struct ctf_trace *td,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence), FILE *metadata_fp)
{
struct ctf_scanner *scanner;
struct ctf_file_stream *metadata_stream;
FILE *fp;
char *buf = NULL;
- int ret = 0;
+ int ret = 0, closeret;
metadata_stream = g_new0(struct ctf_file_stream, 1);
+ metadata_stream->pos.last_offset = LAST_OFFSET_POISON;
- if (move_pos_slow) {
- metadata_stream->pos.move_pos_slow = move_pos_slow;
+ if (packet_seek) {
+ metadata_stream->pos.packet_seek = packet_seek;
} else {
- fprintf(stderr, "[error] move_pos_slow function undefined.\n");
+ fprintf(stderr, "[error] packet_seek function undefined.\n");
ret = -1;
- goto end_stream;
+ goto end_free;
}
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);
if (metadata_stream->pos.fd < 0) {
fprintf(stderr, "Unable to open metadata.\n");
- return metadata_stream->pos.fd;
+ ret = -1;
+ goto end_free;
}
fp = fdopen(metadata_stream->pos.fd, "r");
ret = -errno;
goto end_stream;
}
+ /* fd now belongs to fp */
+ metadata_stream->pos.fd = -1;
}
if (babeltrace_debug)
yydebug = 1;
ctf_scanner_free(scanner);
end_scanner_alloc:
end_packet_read:
- fclose(fp);
+ if (fp) {
+ closeret = fclose(fp);
+ if (closeret) {
+ perror("Error on fclose");
+ }
+ }
free(buf);
end_stream:
- close(metadata_stream->pos.fd);
+ if (metadata_stream->pos.fd >= 0) {
+ closeret = close(metadata_stream->pos.fd);
+ if (closeret) {
+ perror("Error on metadata stream fd close");
+ }
+ }
+end_free:
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 */
packet_index.timestamp_begin = 0;
packet_index.timestamp_end = 0;
packet_index.events_discarded = 0;
+ packet_index.events_discarded_len = 0;
/* read and check header, set stream id (and check) */
if (file_stream->parent.trace_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_move_pos_slow(pos, 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;
*/
static
int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence))
{
- int ret;
+ int ret, fd, closeret;
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 (move_pos_slow) {
- file_stream->pos.move_pos_slow = move_pos_slow;
+ if (packet_seek) {
+ file_stream->pos.packet_seek = packet_seek;
} else {
- fprintf(stderr, "[error] move_pos_slow function undefined.\n");
+ fprintf(stderr, "[error] packet_seek function undefined.\n");
ret = -1;
goto error_def;
}
- ctf_init_pos(&file_stream->pos, ret, flags);
+ ret = ctf_init_pos(&file_stream->pos, fd, flags);
+ if (ret)
+ goto error_def;
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);
if (file_stream->parent.trace_packet_header)
definition_unref(&file_stream->parent.trace_packet_header->p);
error_def:
- ctf_fini_pos(&file_stream->pos);
- close(file_stream->pos.fd);
+ closeret = ctf_fini_pos(&file_stream->pos);
+ if (closeret) {
+ fprintf(stderr, "Error on ctf_fini_pos\n");
+ }
g_free(file_stream);
+fd_is_dir_ok:
+fstat_error:
+ closeret = close(fd);
+ if (closeret) {
+ perror("Error on fd close");
+ }
error:
return ret;
}
static
int ctf_open_trace_read(struct ctf_trace *td,
const char *path, int flags,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence), FILE *metadata_fp)
{
- int ret;
+ int ret, closeret;
struct dirent *dirent;
struct dirent *diriter;
size_t dirent_len;
/* 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;
* Keep the metadata file separate.
*/
- ret = ctf_open_trace_metadata_read(td, move_pos_slow, metadata_fp);
+ 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;
}
|| !strcmp(diriter->d_name, "..")
|| !strcmp(diriter->d_name, "metadata"))
continue;
- ret = ctf_open_file_stream_read(td, diriter->d_name, flags, move_pos_slow);
+ ret = ctf_open_file_stream_read(td, diriter->d_name,
+ flags, packet_seek);
if (ret) {
fprintf(stderr, "[error] Open file stream error.\n");
goto readdir_error;
readdir_error:
free(dirent);
error_metadata:
- close(td->dirfd);
+ closeret = close(td->dirfd);
+ if (closeret) {
+ perror("Error on fd close");
+ }
error_dirfd:
- closedir(td->dir);
+ closeret = closedir(td->dir);
+ if (closeret) {
+ perror("Error on closedir");
+ }
error:
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 (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence), FILE *metadata_fp)
{
struct ctf_trace *td;
int ret;
+ /*
+ * If packet_seek is NULL, we provide our default version.
+ */
+ if (!packet_seek)
+ packet_seek = ctf_packet_seek;
+
td = g_new0(struct ctf_trace, 1);
switch (flags & O_ACCMODE) {
fprintf(stderr, "[error] Path missing for input CTF trace.\n");
goto error;
}
- ret = ctf_open_trace_read(td, path, flags, move_pos_slow, metadata_fp);
+ ret = ctf_open_trace_read(td, path, flags, packet_seek, metadata_fp);
if (ret)
goto error;
break;
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;
static
int ctf_open_mmap_stream_read(struct ctf_trace *td,
struct mmap_stream *mmap_info,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence))
{
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.move_pos_slow = move_pos_slow;
+ file_stream->pos.packet_seek = packet_seek;
ret = create_trace_definitions(td, &file_stream->parent);
if (ret) {
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);
int ctf_open_mmap_trace_read(struct ctf_trace *td,
struct mmap_stream_list *mmap_list,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence),
FILE *metadata_fp)
{
int ret;
struct mmap_stream *mmap_info;
- ret = ctf_open_trace_metadata_read(td, ctf_move_pos_slow, metadata_fp);
+ ret = ctf_open_trace_metadata_read(td, ctf_packet_seek, metadata_fp);
if (ret) {
goto error;
}
* stream ID to add to the right location in the stream array.
*/
bt_list_for_each_entry(mmap_info, &mmap_list->head, list) {
- ret = ctf_open_mmap_stream_read(td, mmap_info, move_pos_slow);
+ ret = ctf_open_mmap_stream_read(td, mmap_info, packet_seek);
if (ret) {
fprintf(stderr, "[error] Open file mmap stream error.\n");
goto error;
static
struct trace_descriptor *ctf_open_mmap_trace(
struct mmap_stream_list *mmap_list,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset, int whence),
+ void (*packet_seek)(struct stream_pos *pos, size_t index,
+ int whence),
FILE *metadata_fp)
{
struct ctf_trace *td;
"required for mmap parsing\n");
goto error;
}
- if (!move_pos_slow) {
- fprintf(stderr, "[error] move_pos_slow function undefined.\n");
+ if (!packet_seek) {
+ fprintf(stderr, "[error] packet_seek function undefined.\n");
goto error;
}
td = g_new0(struct ctf_trace, 1);
- ret = ctf_open_mmap_trace_read(td, mmap_list, move_pos_slow, metadata_fp);
+ ret = ctf_open_mmap_trace_read(td, mmap_list, packet_seek, metadata_fp);
if (ret)
goto error_free;
}
static
-void ctf_close_file_stream(struct ctf_file_stream *file_stream)
+int ctf_convert_index_timestamp(struct trace_descriptor *tdp)
{
- ctf_fini_pos(&file_stream->pos);
- close(file_stream->pos.fd);
+ 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_trace(struct trace_descriptor *tdp)
+int ctf_close_file_stream(struct ctf_file_stream *file_stream)
+{
+ int ret;
+
+ ret = ctf_fini_pos(&file_stream->pos);
+ if (ret) {
+ fprintf(stderr, "Error on ctf_fini_pos\n");
+ return -1;
+ }
+ ret = close(file_stream->pos.fd);
+ if (ret) {
+ perror("Error closing file fd");
+ return -1;
+ }
+ return 0;
+}
+
+static
+int ctf_close_trace(struct trace_descriptor *tdp)
{
struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent);
- int i;
+ int ret;
if (td->streams) {
+ int i;
+
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);
continue;
for (j = 0; j < stream->streams->len; j++) {
struct ctf_file_stream *file_stream;
- file_stream = container_of(g_ptr_array_index(stream->streams, j), struct ctf_file_stream, parent);
- ctf_close_file_stream(file_stream);
+ file_stream = container_of(g_ptr_array_index(stream->streams, j),
+ struct ctf_file_stream, parent);
+ ret = ctf_close_file_stream(file_stream);
+ if (ret)
+ return ret;
}
-
}
- g_ptr_array_free(td->streams, TRUE);
}
- closedir(td->dir);
+ ctf_destroy_metadata(td);
+ ret = close(td->dirfd);
+ if (ret) {
+ perror("Error closing dirfd");
+ return ret;
+ }
+ ret = closedir(td->dir);
+ if (ret) {
+ perror("Error closedir");
+ return ret;
+ }
g_free(td);
+ return 0;
}
+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;
+}
+
+static
void __attribute__((constructor)) ctf_init(void)
{
int ret;
assert(!ret);
}
-/* TODO: finalize */
+static
+void __attribute__((destructor)) ctf_exit(void)
+{
+ bt_unregister_format(&ctf_format);
+}
projects / babeltrace.git / blobdiff