#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))
#endif
+#define NSEC_PER_SEC 1000000000ULL
+
+int opt_clock_raw,
+ opt_clock_seconds,
+ opt_clock_date,
+ opt_clock_gmt;
+
+uint64_t opt_clock_offset;
+
extern int yydebug;
static
-struct trace_descriptor *ctf_open_trace(const char *collection_path, const char *path, int flags,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
- int whence), FILE *metadata_fp);
+struct trace_descriptor *ctf_open_trace(const char *path, int flags,
+ 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);
+static
+uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle);
+static
+uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle);
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,
};
static
-void ctf_update_timestamp(struct ctf_stream *stream,
+uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+ struct bt_trace_handle *handle)
+{
+ 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);
+ /* 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;
+
+ index = &g_array_index(stream_pos->packet_index,
+ struct packet_index, 0);
+ 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)
+{
+ 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);
+ /* 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;
+
+ index = &g_array_index(stream_pos->packet_index,
+ struct packet_index,
+ stream_pos->packet_index->len - 1);
+ if (index->timestamp_end > end)
+ end = index->timestamp_end;
+ }
+ }
+
+ return end;
+
+error:
+ return -1ULL;
+}
+
+/*
+ * Update stream current timestamp, keep at clock frequency.
+ */
+static
+void ctf_update_timestamp(struct ctf_stream_definition *stream,
struct definition_integer *integer_definition)
{
struct declaration_integer *integer_declaration =
updateval = stream->timestamp;
updateval &= ~((1ULL << integer_declaration->len) - 1);
updateval += newval;
+ stream->prev_timestamp = stream->timestamp;
stream->timestamp = updateval;
}
+/*
+ * Print timestamp, rescaling clock frequency to nanoseconds and
+ * applying offsets as needed (unix time).
+ */
+void ctf_print_timestamp(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);
+ }
+
+ /* Add command-line offset */
+ ts_sec += opt_clock_offset;
+
+ ts_sec += ts_nsec / NSEC_PER_SEC;
+ ts_nsec = ts_nsec % NSEC_PER_SEC;
+
+ if (!opt_clock_seconds) {
+ struct tm tm;
+ time_t time_s = (time_t) ts_sec;
+
+ if (!opt_clock_gmt) {
+ struct tm *res;
+
+ res = localtime_r(&time_s, &tm);
+ if (!res) {
+ fprintf(stderr, "[warning] Unable to get localtime.\n");
+ goto seconds;
+ }
+ } else {
+ struct tm *res;
+
+ res = gmtime_r(&time_s, &tm);
+ if (!res) {
+ fprintf(stderr, "[warning] Unable to get gmtime.\n");
+ goto seconds;
+ }
+ }
+ if (opt_clock_date) {
+ char timestr[26];
+ size_t res;
+
+ /* Print date and time */
+ res = strftime(timestr, sizeof(timestr),
+ "%F ", &tm);
+ if (!res) {
+ fprintf(stderr, "[warning] Unable to print ascii time.\n");
+ goto seconds;
+ }
+ fprintf(fp, "%s", timestr);
+ }
+ /* Print time in HH:MM:SS.ns */
+ fprintf(fp, "%02d:%02d:%02d.%09" PRIu64,
+ tm.tm_hour, tm.tm_min, tm.tm_sec, ts_nsec);
+ goto end;
+ }
+seconds:
+ fprintf(fp, "%3" PRIu64 ".%09" PRIu64,
+ ts_sec, ts_nsec);
+
+end:
+ return;
+}
+
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;
ctf_pos_get_event(pos);
+ /* 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
* ctf_pos_get_event.
}
if (unlikely(id >= stream_class->events_by_id->len)) {
- fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id);
+ fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id);
return -EINVAL;
}
event = g_ptr_array_index(stream->events_by_id, id);
if (unlikely(!event)) {
- fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+ fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
return -EINVAL;
}
return 0;
error:
- fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
+ fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
return ret;
}
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;
}
if (unlikely(id >= stream_class->events_by_id->len)) {
- fprintf(stdout, "[error] Event id %" PRIu64 " is outside range.\n", id);
+ fprintf(stderr, "[error] Event id %" PRIu64 " is outside range.\n", id);
return -EINVAL;
}
event = g_ptr_array_index(stream->events_by_id, id);
if (unlikely(!event)) {
- fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+ fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
return -EINVAL;
}
return 0;
error:
- fprintf(stdout, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
+ fprintf(stderr, "[error] Unexpected end of stream. Either the trace data stream is corrupted or metadata description does not match data layout.\n");
return ret;
}
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);
/* unmap old base */
ret = munmap(pos->base, pos->packet_size / CHAR_BIT);
if (ret) {
- fprintf(stdout, "[error] Unable to unmap old base: %s.\n",
+ fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
strerror(errno));
assert(0);
}
(void) g_array_free(pos->packet_index, TRUE);
}
-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;
/* unmap old base */
ret = munmap(pos->base, pos->packet_size / CHAR_BIT);
if (ret) {
- fprintf(stdout, "[error] Unable to unmap old base: %s.\n",
+ fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
strerror(errno));
assert(0);
}
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:
read_next_packet:
switch (whence) {
case SEEK_CUR:
- if (pos->offset == EOF)
+ {
+ uint32_t events_discarded_diff;
+
+ if (pos->offset == EOF) {
return;
+ }
+ /* For printing discarded event count */
+ packet_index = &g_array_index(pos->packet_index,
+ struct packet_index, pos->cur_index);
+ events_discarded_diff = packet_index->events_discarded;
+ file_stream->parent.prev_timestamp_end =
+ packet_index->timestamp_end;
+ if (pos->cur_index > 0) {
+ packet_index = &g_array_index(pos->packet_index,
+ struct packet_index,
+ pos->cur_index - 1);
+ events_discarded_diff -= packet_index->events_discarded;
+ }
+ file_stream->parent.events_discarded = events_discarded_diff;
+ file_stream->parent.prev_timestamp = file_stream->parent.timestamp;
/* The reader will expect us to skip padding */
- assert(pos->offset + offset == pos->content_size);
++pos->cur_index;
break;
+ }
case SEEK_SET:
- assert(offset == 0); /* only seek supported for now */
- pos->cur_index = 0;
+ pos->cur_index = index;
+ file_stream->parent.prev_timestamp = 0;
+ file_stream->parent.prev_timestamp_end = 0;
break;
default:
assert(0);
}
if (pos->cur_index >= pos->packet_index->len) {
+ /*
+ * When a stream reaches the end of the
+ * file, we need to show the number of
+ * events discarded ourselves, because
+ * there is no next event scheduled to
+ * be printed in the output.
+ */
+ if (file_stream->parent.events_discarded) {
+ /*
+ * 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 %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);
+ }
+ file_stream->parent.events_discarded = 0;
+ }
pos->offset = EOF;
return;
}
- index = &g_array_index(pos->packet_index, struct packet_index,
+ packet_index = &g_array_index(pos->packet_index, struct packet_index,
pos->cur_index);
- pos->mmap_offset = index->offset;
+ 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) {
+ 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) {
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 {
pos->base = mmap(NULL, pos->packet_size / CHAR_BIT, pos->prot,
pos->flags, pos->fd, pos->mmap_offset);
if (pos->base == MAP_FAILED) {
- fprintf(stdout, "[error] mmap error %s.\n",
+ fprintf(stderr, "[error] mmap error %s.\n",
strerror(errno));
assert(0);
}
/* eventually return an error instead of warning */
warning:
- fprintf(stdout, "[warning] Unsupported CTF specification version %u.%u. Trying anyway.\n",
+ fprintf(stderr, "[warning] Unsupported CTF specification version %u.%u. Trying anyway.\n",
major, minor);
return 0;
}
header.packet_size = GUINT32_SWAP_LE_BE(header.packet_size);
}
if (header.checksum)
- fprintf(stdout, "[warning] checksum verification not supported yet.\n");
+ fprintf(stderr, "[warning] checksum verification not supported yet.\n");
if (header.compression_scheme) {
- fprintf(stdout, "[error] compression (%u) not supported yet.\n",
+ fprintf(stderr, "[error] compression (%u) not supported yet.\n",
header.compression_scheme);
return -EINVAL;
}
if (header.encryption_scheme) {
- fprintf(stdout, "[error] encryption (%u) not supported yet.\n",
+ fprintf(stderr, "[error] encryption (%u) not supported yet.\n",
header.encryption_scheme);
return -EINVAL;
}
if (header.checksum_scheme) {
- fprintf(stdout, "[error] checksum (%u) not supported yet.\n",
+ fprintf(stderr, "[error] checksum (%u) not supported yet.\n",
header.checksum_scheme);
return -EINVAL;
}
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 (babeltrace_debug) {
buf[readlen] = '\0';
- fprintf(stdout, "[debug] metadata packet read: %s\n",
+ fprintf(stderr, "[debug] metadata packet read: %s\n",
buf);
}
toread = (header.packet_size - header.content_size) / CHAR_BIT;
ret = fseek(in, toread, SEEK_CUR);
if (ret < 0) {
- fprintf(stdout, "[warning] Missing padding at end of file\n");
+ fprintf(stderr, "[warning] Missing padding at end of file\n");
ret = 0;
}
return ret;
* 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;
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;
metadata_stream = g_new0(struct ctf_file_stream, 1);
- 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;
}
td->metadata = &metadata_stream->parent;
metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY);
if (metadata_stream->pos.fd < 0) {
- fprintf(stdout, "Unable to open metadata.\n");
+ fprintf(stderr, "Unable to open metadata.\n");
return metadata_stream->pos.fd;
}
fp = fdopen(metadata_stream->pos.fd, "r");
if (!fp) {
- fprintf(stdout, "[error] Unable to open metadata stream.\n");
+ fprintf(stderr, "[error] Unable to open metadata stream.\n");
perror("Metadata stream open");
ret = -errno;
goto end_stream;
/* Check text-only metadata header and version */
nr_items = fscanf(fp, "/* CTF %u.%u", &major, &minor);
if (nr_items < 2)
- fprintf(stdout, "[warning] Ill-shapen or missing \"/* CTF x.y\" header for text-only metadata.\n");
+ fprintf(stderr, "[warning] Ill-shapen or missing \"/* CTF x.y\" header for text-only metadata.\n");
if (check_version(major, minor) < 0) {
ret = -EINVAL;
goto end_packet_read;
scanner = ctf_scanner_alloc(fp);
if (!scanner) {
- fprintf(stdout, "[error] Error allocating scanner\n");
+ fprintf(stderr, "[error] Error allocating scanner\n");
ret = -ENOMEM;
goto end_scanner_alloc;
}
ret = ctf_scanner_append_ast(scanner);
if (ret) {
- fprintf(stdout, "[error] Error creating AST\n");
+ fprintf(stderr, "[error] Error creating AST\n");
goto end;
}
if (babeltrace_debug) {
- ret = ctf_visitor_print_xml(stdout, 0, &scanner->ast->root);
+ ret = ctf_visitor_print_xml(stderr, 0, &scanner->ast->root);
if (ret) {
- fprintf(stdout, "[error] Error visiting AST for XML output\n");
+ fprintf(stderr, "[error] Error visiting AST for XML output\n");
goto end;
}
}
- ret = ctf_visitor_semantic_check(stdout, 0, &scanner->ast->root);
+ ret = ctf_visitor_semantic_check(stderr, 0, &scanner->ast->root);
if (ret) {
- fprintf(stdout, "[error] Error in CTF semantic validation %d\n", ret);
+ fprintf(stderr, "[error] Error in CTF semantic validation %d\n", ret);
goto end;
}
- ret = ctf_visitor_construct_metadata(stdout, 0, &scanner->ast->root,
+ ret = ctf_visitor_construct_metadata(stderr, 0, &scanner->ast->root,
td, td->byte_order);
if (ret) {
- fprintf(stdout, "[error] Error in CTF metadata constructor %d\n", ret);
+ fprintf(stderr, "[error] Error in CTF metadata constructor %d\n", ret);
goto end;
}
end:
}
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;
/* unmap old base */
ret = munmap(pos->base, pos->packet_size / CHAR_BIT);
if (ret) {
- fprintf(stdout, "[error] Unable to unmap old base: %s.\n",
+ fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
strerror(errno));
return ret;
}
packet_index.packet_size = 0;
packet_index.timestamp_begin = 0;
packet_index.timestamp_end = 0;
+ packet_index.events_discarded = 0;
/* read and check header, set stream id (and check) */
if (file_stream->parent.trace_packet_header) {
field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
magic = get_unsigned_int(field);
if (magic != CTF_MAGIC) {
- fprintf(stdout, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n",
+ fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n",
magic,
file_stream->pos.packet_index->len,
(ssize_t) pos->mmap_offset);
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(stdout, "[error] Unique Universal Identifiers do not match.\n");
+ fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n");
return -EINVAL;
}
}
}
if (!first_packet && file_stream->parent.stream_id != stream_id) {
- fprintf(stdout, "[error] Stream ID is changing within a stream.\n");
+ fprintf(stderr, "[error] Stream ID is changing within a stream.\n");
return -EINVAL;
}
if (first_packet) {
file_stream->parent.stream_id = stream_id;
if (stream_id >= td->streams->len) {
- fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
+ fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
return -EINVAL;
}
stream = g_ptr_array_index(td->streams, stream_id);
if (!stream) {
- fprintf(stdout, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
+ fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
return -EINVAL;
}
file_stream->parent.stream_class = stream;
field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
packet_index.timestamp_end = get_unsigned_int(field);
}
+
+ /* read events discarded from header */
+ len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded"));
+ if (len_index >= 0) {
+ struct definition *field;
+
+ field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+ packet_index.events_discarded = get_unsigned_int(field);
+ }
} else {
/* Use file size for packet size */
packet_index.content_size = filestats.st_size * CHAR_BIT;
/* Validate content size and packet size values */
if (packet_index.content_size > packet_index.packet_size) {
- fprintf(stdout, "[error] Content size (%zu bits) is larger than packet size (%zu bits).\n",
+ fprintf(stderr, "[error] Content size (%" PRIu64 " bits) is larger than packet size (%" PRIu64 " bits).\n",
packet_index.content_size, packet_index.packet_size);
return -EINVAL;
}
- if (packet_index.packet_size > (filestats.st_size - packet_index.offset) * CHAR_BIT) {
- fprintf(stdout, "[error] Packet size (%zu bits) is larger than remaining file size (%zu bits).\n",
- packet_index.content_size, (size_t) (filestats.st_size - packet_index.offset) * CHAR_BIT);
+ 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);
return -EINVAL;
}
}
/* Move pos back to beginning of file */
- ctf_move_pos_slow(pos, 0, SEEK_SET); /* position for write */
+ 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;
*/
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;
}
file_stream = g_new0(struct ctf_file_stream, 1);
- 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;
}
ret = create_trace_definitions(td, &file_stream->parent);
if (ret)
goto error_def;
+ /*
+ * For now, only a single slock is supported.
+ */
+ file_stream->parent.current_clock = td->single_clock;
ret = create_stream_packet_index(td, file_stream);
if (ret)
goto error_index;
return ret;
}
-static void
-init_domain_name(struct ctf_trace *td)
-{
- char *start, *end;
-
- start = td->path + strlen(td->collection_path);
- start++; /* skip / */
- end = strchr(start, '/');
- if (!end)
- return;
- memcpy(td->domain, start, end - start);
- td->domain[end - start] = '\0';
-}
-
-static void
-init_proc_name(struct ctf_trace *td)
-{
- char buf[PATH_MAX];
- char *start, *end;
-
- if (td->domain[0] == '\0')
- return;
- memcpy(buf, td->path, PATH_MAX);
- start = buf + strlen(td->collection_path);
- start++; /* skip / */
- start = strchr(start, '/'); /* get begin of domain content */
- if (!start)
- return;
- start++; /* skip / */
- /* find last -, skips time */
- end = strrchr(start, '-');
- if (!end)
- return;
- *end = '\0';
- /* find previous -, skips date */
- end = strrchr(start, '-');
- if (!end)
- return;
- *end = '\0';
- /* find previous -, skips pid */
- end = strrchr(start, '-');
- if (!end)
- return;
- *end = '\0';
-
- memcpy(td->procname, start, end - start);
- td->procname[end - start] = '\0';
-}
-
-static void
-init_vpid(struct ctf_trace *td)
-{
- char buf[PATH_MAX];
- char *start, *end;
-
- if (td->domain[0] == '\0')
- return;
- memcpy(buf, td->path, PATH_MAX);
- start = buf + strlen(td->collection_path);
- start++; /* skip / */
- start = strchr(start, '/'); /* get begin of domain content */
- if (!start)
- return;
- start++; /* skip / */
- /* find last -, skips time */
- end = strrchr(start, '-');
- if (!end)
- return;
- *end = '\0';
- /* find previous -, skips date */
- end = strrchr(start, '-');
- if (!end)
- return;
- *end = '\0';
- /* find previous -, skips pid */
- start = strrchr(start, '-');
- if (!start)
- return;
- start++; /* skip - */
-
- memcpy(td->vpid, start, end - start);
- td->vpid[end - start] = '\0';
-}
-
static
-int ctf_open_trace_read(struct ctf_trace *td, const char *collection_path,
+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;
/* Open trace directory */
td->dir = opendir(path);
if (!td->dir) {
- fprintf(stdout, "[error] Unable to open trace directory.\n");
+ fprintf(stderr, "[error] Unable to open trace directory.\n");
ret = -ENOENT;
goto error;
}
td->dirfd = open(path, 0);
if (td->dirfd < 0) {
- fprintf(stdout, "[error] Unable to open trace directory file descriptor.\n");
+ fprintf(stderr, "[error] Unable to open trace directory file descriptor.\n");
perror("Trace directory open");
ret = -errno;
goto error_dirfd;
}
- strncpy(td->collection_path, collection_path, PATH_MAX);
- td->collection_path[PATH_MAX - 1] = '\0';
- strncpy(td->path, path, PATH_MAX);
- td->path[PATH_MAX - 1] = '\0';
- init_domain_name(td);
- init_proc_name(td);
- init_vpid(td);
+ strncpy(td->path, path, sizeof(td->path));
+ td->path[sizeof(td->path) - 1] = '\0';
/*
* 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) {
goto error_metadata;
}
for (;;) {
ret = readdir_r(td->dir, dirent, &diriter);
if (ret) {
- fprintf(stdout, "[error] Readdir error.\n");
+ fprintf(stderr, "[error] Readdir error.\n");
goto readdir_error;
}
if (!diriter)
|| !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(stdout, "[error] Open file stream error.\n");
+ fprintf(stderr, "[error] Open file stream error.\n");
goto readdir_error;
}
}
}
static
-struct trace_descriptor *ctf_open_trace(const char *collection_path, const char *path, int flags,
- void (*move_pos_slow)(struct ctf_stream_pos *pos, size_t offset,
+struct trace_descriptor *ctf_open_trace(const char *path, int flags,
+ 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) {
case O_RDONLY:
if (!path) {
- fprintf(stdout, "[error] Path missing for input CTF trace.\n");
+ fprintf(stderr, "[error] Path missing for input CTF trace.\n");
goto error;
}
- ret = ctf_open_trace_read(td, collection_path, path, flags, move_pos_slow, metadata_fp);
+ ret = ctf_open_trace_read(td, path, flags, packet_seek, metadata_fp);
if (ret)
goto error;
break;
case O_RDWR:
- fprintf(stdout, "[error] Opening CTF traces for output is not supported yet.\n");
+ fprintf(stderr, "[error] Opening CTF traces for output is not supported yet.\n");
goto error;
default:
- fprintf(stdout, "[error] Incorrect open flags.\n");
+ fprintf(stderr, "[error] Incorrect open flags.\n");
goto error;
}
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;
file_stream->parent.stream_id = stream_id;
if (stream_id >= td->streams->len) {
- fprintf(stdout, "[error] Stream %" PRIu64 " is not declared "
+ fprintf(stderr, "[error] Stream %" PRIu64 " is not declared "
"in metadata.\n", stream_id);
ret = -EINVAL;
goto end;
}
stream = g_ptr_array_index(td->streams, stream_id);
if (!stream) {
- fprintf(stdout, "[error] Stream %" PRIu64 " is not declared "
+ fprintf(stderr, "[error] Stream %" PRIu64 " is not declared "
"in metadata.\n", stream_id);
ret = -EINVAL;
goto end;
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;
file_stream = g_new0(struct ctf_file_stream, 1);
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) {
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;
}
* for each stream, try to open, check magic number, and get the
* stream ID to add to the right location in the stream array.
*/
- cds_list_for_each_entry(mmap_info, &mmap_list->head, list) {
- ret = ctf_open_mmap_stream_read(td, mmap_info, move_pos_slow);
+ bt_list_for_each_entry(mmap_info, &mmap_list->head, list) {
+ ret = ctf_open_mmap_stream_read(td, mmap_info, packet_seek);
if (ret) {
- fprintf(stdout, "[error] Open file mmap stream error.\n");
+ 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;
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;
projects / babeltrace.git / blobdiff