#include "metadata/ctf-ast.h"
#include "events-private.h"
#include <babeltrace/compat/memstream.h>
+#include <babeltrace/compat/fcntl.h>
#define LOG2_CHAR_BIT 3
#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif
-#define NSEC_PER_SEC 1000000000ULL
+#define NSEC_PER_SEC 1000000000LL
#define INDEX_PATH "./index/%s.idx"
opt_clock_date,
opt_clock_gmt;
-uint64_t opt_clock_offset;
-uint64_t opt_clock_offset_ns;
+int64_t opt_clock_offset;
+int64_t opt_clock_offset_ns;
extern int yydebug;
static
int ctf_close_trace(struct bt_trace_descriptor *descriptor);
static
-uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
- struct bt_trace_handle *handle, enum bt_clock_type type);
+int ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type,
+ int64_t *timestamp);
static
-uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
- struct bt_trace_handle *handle, enum bt_clock_type type);
+int ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type,
+ int64_t *timestamp);
static
int ctf_convert_index_timestamp(struct bt_trace_descriptor *tdp);
};
static
-uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
- struct bt_trace_handle *handle, enum bt_clock_type type)
+int ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type,
+ int64_t *timestamp)
{
struct ctf_trace *tin;
- uint64_t begin = ULLONG_MAX;
- int i, j;
+ int64_t begin = LLONG_MAX;
+ int i, j, ret;
tin = container_of(descriptor, struct ctf_trace, parent);
- if (!tin)
+ if (!tin || !timestamp) {
+ ret = -EINVAL;
goto error;
+ }
/* for each stream_class */
for (i = 0; i < tin->streams->len; i++) {
parent);
stream_pos = &cfs->pos;
- if (!stream_pos->packet_index)
+ if (!stream_pos->packet_index) {
+ ret = -EINVAL;
goto error;
+ }
if (stream_pos->packet_index->len <= 0)
continue;
if (index->ts_cycles.timestamp_begin < begin)
begin = index->ts_cycles.timestamp_begin;
} else {
+ ret = -EINVAL;
goto error;
}
}
}
-
- return begin;
+ if (begin == LLONG_MAX) {
+ ret = -ENOENT;
+ goto error;
+ }
+ *timestamp = begin;
+ return 0;
error:
- return -1ULL;
+ return ret;
}
static
-uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
- struct bt_trace_handle *handle, enum bt_clock_type type)
+int ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type,
+ int64_t *timestamp)
{
struct ctf_trace *tin;
- uint64_t end = 0;
- int i, j;
+ int64_t end = LLONG_MIN;
+ int i, j, ret;
tin = container_of(descriptor, struct ctf_trace, parent);
- if (!tin)
+ if (!tin || !timestamp) {
+ ret = -EINVAL;
goto error;
+ }
/* for each stream_class */
for (i = 0; i < tin->streams->len; i++) {
parent);
stream_pos = &cfs->pos;
- if (!stream_pos->packet_index)
+ if (!stream_pos->packet_index) {
+ ret = -EINVAL;
goto error;
+ }
if (stream_pos->packet_index->len <= 0)
continue;
if (index->ts_cycles.timestamp_end > end)
end = index->ts_cycles.timestamp_end;
} else {
+ ret = -EINVAL;
goto error;
}
}
}
-
- return end;
+ if (end == LLONG_MIN) {
+ ret = -ENOENT;
+ goto error;
+ }
+ *timestamp = end;
+ return 0;
error:
- return -1ULL;
+ return ret;
}
/*
static
void ctf_print_timestamp_real(FILE *fp,
struct ctf_stream_definition *stream,
- uint64_t timestamp)
+ int64_t timestamp)
{
- uint64_t ts_sec = 0, ts_nsec;
+ int64_t ts_sec = 0, ts_nsec;
+ uint64_t ts_sec_abs, ts_nsec_abs;
+ bool is_negative;
ts_nsec = timestamp;
- /* Add command-line offset in ns*/
+ /* Add command-line offset in ns */
ts_nsec += opt_clock_offset_ns;
/* Add command-line offset */
ts_sec += ts_nsec / NSEC_PER_SEC;
ts_nsec = ts_nsec % NSEC_PER_SEC;
+ if (ts_sec >= 0 && ts_nsec >= 0) {
+ is_negative = false;
+ ts_sec_abs = ts_sec;
+ ts_nsec_abs = ts_nsec;
+ } else if (ts_sec > 0 && ts_nsec < 0) {
+ is_negative = false;
+ ts_sec_abs = ts_sec - 1;
+ ts_nsec_abs = NSEC_PER_SEC + ts_nsec;
+ } else if (ts_sec == 0 && ts_nsec < 0) {
+ is_negative = true;
+ ts_sec_abs = ts_sec;
+ ts_nsec_abs = -ts_nsec;
+ } else if (ts_sec < 0 && ts_nsec > 0) {
+ is_negative = true;
+ ts_sec_abs = -(ts_sec + 1);
+ ts_nsec_abs = NSEC_PER_SEC - ts_nsec;
+ } else if (ts_sec < 0 && ts_nsec == 0) {
+ is_negative = true;
+ ts_sec_abs = -ts_sec;
+ ts_nsec_abs = ts_nsec;
+ } else { /* (ts_sec < 0 && ts_nsec < 0) */
+ is_negative = true;
+ ts_sec_abs = -ts_sec;
+ ts_nsec_abs = -ts_nsec;
+ }
if (!opt_clock_seconds) {
struct tm tm;
- time_t time_s = (time_t) ts_sec;
+ time_t time_s = (time_t) ts_sec_abs;
+
+ if (is_negative) {
+ fprintf(stderr, "[warning] Fallback to [sec.ns] for printing negative time value. Use --clock-seconds.\n");
+ goto seconds;
+ }
if (!opt_clock_gmt) {
struct tm *res;
}
/* 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);
+ tm.tm_hour, tm.tm_min, tm.tm_sec, ts_nsec_abs);
goto end;
}
seconds:
- fprintf(fp, "%3" PRIu64 ".%09" PRIu64,
- ts_sec, ts_nsec);
+ fprintf(fp, "%s%" PRId64 ".%09" PRIu64,
+ is_negative ? "-" : "", ts_sec_abs, ts_nsec_abs);
end:
return;
void ctf_print_timestamp(FILE *fp,
struct ctf_stream_definition *stream,
- uint64_t timestamp)
+ int64_t timestamp)
{
if (opt_clock_cycles) {
ctf_print_timestamp_cycles(fp, stream, timestamp);
* Given we have discarded counters of those two types merged into the
* events_discarded counter, we need to use the union of those ranges:
* [ prev_timestamp_end, timestamp_end ]
+ *
+ * Lost packets occur if the tracer overwrote some subbuffer(s) before the
+ * consumer had time to extract them. We keep track of those gaps with the
+ * packet sequence number in each packet.
*/
static
-void ctf_print_discarded(FILE *fp, struct ctf_stream_definition *stream)
+void ctf_print_discarded_lost(FILE *fp, struct ctf_stream_definition *stream)
{
- if (!stream->events_discarded || !babeltrace_ctf_console_output) {
+ if ((!stream->events_discarded && !stream->packets_lost) ||
+ !babeltrace_ctf_console_output) {
return;
}
fflush(stdout);
- fprintf(fp, "[warning] Tracer discarded %" PRIu64 " events between [",
- stream->events_discarded);
+ if (stream->events_discarded) {
+ fprintf(fp, "[warning] Tracer discarded %" PRIu64 " events between [",
+ stream->events_discarded);
+ } else if (stream->packets_lost) {
+ fprintf(fp, "[warning] Tracer lost %" PRIu64 " trace packets between [",
+ stream->packets_lost);
+ }
if (opt_clock_cycles) {
ctf_print_timestamp(fp, stream,
stream->prev.cycles.end);
struct packet_index *cur_index)
{
uint64_t events_discarded_diff;
+ uint64_t packets_lost_diff = 0;
/* Update packet index time information */
prev_index->ts_real.timestamp_end;
events_discarded_diff -= prev_index->events_discarded;
+ /* packet_seq_num stays at 0 if not produced by the tracer */
+ if (cur_index->packet_seq_num) {
+ packets_lost_diff = cur_index->packet_seq_num -
+ prev_index->packet_seq_num - 1;
+ }
/*
* Deal with 32-bit wrap-around if the tracer provided a
* 32-bit field.
stream->current.real.begin;
}
stream->events_discarded = events_discarded_diff;
+ stream->packets_lost = packets_lost_diff;
}
/*
struct ctf_file_stream *file_stream =
container_of(pos, struct ctf_file_stream, pos);
int ret;
- off_t off;
struct packet_index *packet_index, *prev_index;
switch (whence) {
}
pos->content_size = -1U; /* Unknown at this point */
pos->packet_size = WRITE_PACKET_LEN;
- off = posix_fallocate(pos->fd, pos->mmap_offset,
- pos->packet_size / CHAR_BIT);
- assert(off >= 0);
+ do {
+ ret = bt_posix_fallocate(pos->fd, pos->mmap_offset,
+ pos->packet_size / CHAR_BIT);
+ } while (ret == EINTR);
+ assert(ret == 0);
pos->offset = 0;
} else {
read_next_packet:
assert(0);
}
+ if (pos->cur_index >= pos->packet_index->len) {
+ pos->offset = EOF;
+ return;
+ }
+
packet_index = &g_array_index(pos->packet_index,
struct packet_index, pos->cur_index);
if (pos->cur_index > 0) {
ctf_update_current_packet_index(&file_stream->parent,
prev_index, packet_index);
- if (pos->cur_index >= pos->packet_index->len) {
- pos->offset = EOF;
- return;
- }
-
/*
* We need to check if we are in trace read or called
* from packet indexing. In this last case, the
* timestamps.
*/
if ((&file_stream->parent)->stream_class->trace->parent.collection) {
- ctf_print_discarded(stderr, &file_stream->parent);
+ ctf_print_discarded_lost(stderr, &file_stream->parent);
}
packet_index = &g_array_index(pos->packet_index,
memcpy(td->uuid, header.uuid, sizeof(header.uuid));
CTF_TRACE_SET_FIELD(td, uuid);
} else {
- if (babeltrace_uuid_compare(header.uuid, td->uuid))
+ if (bt_uuid_compare(header.uuid, td->uuid))
return -EINVAL;
}
int ret;
begin:
+ memset(&packet_index, 0, sizeof(packet_index));
if (!pos->mmap_offset) {
first_packet = 1;
}
pos->offset = 0; /* Position of the packet header */
packet_index.offset = pos->mmap_offset;
- packet_index.content_size = 0;
- packet_index.packet_size = 0;
- packet_index.ts_real.timestamp_begin = 0;
- packet_index.ts_real.timestamp_end = 0;
- packet_index.ts_cycles.timestamp_begin = 0;
- packet_index.ts_cycles.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) {
elem = bt_array_index(defarray, i);
uuidval[i] = bt_get_unsigned_int(elem);
}
- ret = babeltrace_uuid_compare(td->uuid, uuidval);
+ ret = bt_uuid_compare(td->uuid, uuidval);
if (ret) {
fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n");
return -EINVAL;
packet_index.events_discarded = bt_get_unsigned_int(field);
packet_index.events_discarded_len = bt_get_int_len(field);
}
+
+ /* read packet_seq_num from header */
+ len_index = bt_struct_declaration_lookup_field_index(
+ file_stream->parent.stream_packet_context->declaration,
+ g_quark_from_static_string("packet_seq_num"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
+
+ field = bt_struct_definition_get_field_from_index(
+ file_stream->parent.stream_packet_context,
+ len_index);
+ packet_index.packet_seq_num = bt_get_unsigned_int(field);
+ }
} else {
/* Use file size for packet size */
packet_index.packet_size = filesize * CHAR_BIT;
struct ctf_packet_index *ctf_index = NULL;
struct ctf_packet_index_file_hdr index_hdr;
struct packet_index index;
- uint32_t packet_index_len;
+ uint32_t packet_index_len, index_minor;
int ret = 0;
int first_packet = 1;
size_t len;
ret = -1;
goto error;
}
+ index_minor = be32toh(index_hdr.index_minor);
+
packet_index_len = be32toh(index_hdr.packet_index_len);
if (packet_index_len == 0) {
fprintf(stderr, "[error] Packet index length cannot be 0.\n");
index.events_discarded_len = 64;
index.data_offset = -1;
stream_id = be64toh(ctf_index->stream_id);
+ if (index_minor >= 1) {
+ index.stream_instance_id = be64toh(ctf_index->stream_instance_id);
+ index.packet_seq_num = be64toh(ctf_index->packet_seq_num);
+ }
if (!first_packet) {
/* add index to packet array */
snprintf(index_name, strlen(path) + sizeof(INDEX_PATH),
INDEX_PATH, path);
- if (faccessat(td->dirfd, index_name, O_RDONLY, flags) < 0) {
+ if (bt_faccessat(td->dirfd, td->parent.path, index_name, O_RDONLY, 0) < 0) {
ret = create_stream_packet_index(td, file_stream);
if (ret) {
fprintf(stderr, "[error] Stream index creation error.\n");
struct dirent *dirent;
struct dirent *diriter;
size_t dirent_len;
+ int pc_name_max;
char *ext;
td->flags = flags;
* the stream array.
*/
- dirent_len = offsetof(struct dirent, d_name) +
- fpathconf(td->dirfd, _PC_NAME_MAX) + 1;
+ pc_name_max = fpathconf(td->dirfd, _PC_NAME_MAX);
+ if (pc_name_max < 0) {
+ perror("Error on fpathconf");
+ fprintf(stderr, "[error] Failed to get _PC_NAME_MAX for path \"%s\".\n", path);
+ ret = -1;
+ goto error_metadata;
+ }
+
+ dirent_len = offsetof(struct dirent, d_name) + pc_name_max + 1;
dirent = malloc(dirent_len);
projects / babeltrace.git / blobdiff