Add clock offset support
[babeltrace.git] / formats / ctf-text / ctf-text.c
index 19e92fcabdf836fe909c703450f0133b8847b6a2..e4d7682c0ee27d0d6bac6381c52933f1a9911807 100644 (file)
@@ -41,11 +41,19 @@ int opt_all_field_names,
        opt_header_field_names,
        opt_context_field_names,
        opt_payload_field_names,
-       opt_trace_name,
-       opt_trace_domain,
-       opt_trace_procname,
-       opt_trace_vpid,
-       opt_loglevel;
+       opt_all_fields,
+       opt_trace_field,
+       opt_trace_domain_field,
+       opt_trace_procname_field,
+       opt_trace_vpid_field,
+       opt_loglevel_field,
+       opt_delta_field = 1,
+       opt_clock_raw,
+       opt_clock_seconds,
+       opt_clock_date,
+       opt_clock_gmt;
+
+uint64_t opt_clock_offset;
 
 enum field_item {
        ITEM_SCOPE,
@@ -149,6 +157,74 @@ void set_field_names_print(struct ctf_text_stream_pos *pos, enum field_item item
        }
 }
 
+static
+void ctf_text_print_timestamp(struct ctf_text_stream_pos *pos,
+                       struct ctf_stream *stream)
+{
+       uint64_t ts_sec = 0, ts_nsec;
+       struct ctf_trace *trace = stream->stream_class->trace;
+       struct trace_collection *tc = trace->collection;
+       struct ctf_clock *clock = tc->single_clock;
+
+       ts_nsec = stream->timestamp;
+
+       /* Add offsets */
+       if (!opt_clock_raw && clock) {
+               ts_sec += clock->offset_s;
+               ts_nsec += clock->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(pos->fp, "%s", timestr);
+               }
+               /* Print time in HH:MM:SS.ns */
+               fprintf(pos->fp, "%02d:%02d:%02d.%09" PRIu64,
+                       tm.tm_hour, tm.tm_min, tm.tm_sec, ts_nsec);
+               goto end;
+       }
+seconds:
+       fprintf(pos->fp, "%3" PRIu64 ".%09" PRIu64,
+               ts_sec, ts_nsec);
+
+end:
+       return;
+}
+
 static
 int ctf_text_write_event(struct stream_pos *ppos,
                         struct ctf_stream *stream)
@@ -166,32 +242,27 @@ int ctf_text_write_event(struct stream_pos *ppos,
        id = stream->event_id;
 
        if (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 (!event) {
-               fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+               fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
                return -EINVAL;
        }
        event_class = g_ptr_array_index(stream_class->events_by_id, id);
        if (!event) {
-               fprintf(stdout, "[error] Event id %" PRIu64 " is unknown.\n", id);
+               fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
                return -EINVAL;
        }
 
        if (stream->has_timestamp) {
-               uint64_t ts_sec, ts_nsec;
-
-               ts_sec = stream->timestamp / NSEC_PER_SEC;
-               ts_nsec = stream->timestamp % NSEC_PER_SEC;
                set_field_names_print(pos, ITEM_HEADER);
                if (pos->print_names)
                        fprintf(pos->fp, "timestamp = ");
                else
                        fprintf(pos->fp, "[");
-               fprintf(pos->fp, "%3" PRIu64 ".%09" PRIu64,
-                       ts_sec, ts_nsec);
+               ctf_text_print_timestamp(pos, stream);
                if (!pos->print_names)
                        fprintf(pos->fp, "]");
 
@@ -200,66 +271,85 @@ int ctf_text_write_event(struct stream_pos *ppos,
                else
                        fprintf(pos->fp, " ");
        }
-       if ((opt_trace_name || opt_all_field_names) && stream_class->trace->path[0] != '\0') {
+       if ((opt_delta_field || opt_all_fields) && stream->has_timestamp) {
+               uint64_t delta, delta_sec, delta_nsec;
+
                set_field_names_print(pos, ITEM_HEADER);
-               if (pos->print_names) {
-                       if (opt_trace_name || opt_all_field_names)
-                               fprintf(pos->fp, "trace = ");
+               if (pos->print_names)
+                       fprintf(pos->fp, "delta = ");
+               else
+                       fprintf(pos->fp, "(");
+               if (pos->last_timestamp != -1ULL) {
+                       delta = stream->timestamp - pos->last_timestamp;
+                       delta_sec = delta / NSEC_PER_SEC;
+                       delta_nsec = delta % NSEC_PER_SEC;
+                       fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64,
+                               delta_sec, delta_nsec);
+               } else {
+                       fprintf(pos->fp, "+?.?????????");
                }
+               if (!pos->print_names)
+                       fprintf(pos->fp, ")");
+
+               if (pos->print_names)
+                       fprintf(pos->fp, ", ");
+               else
+                       fprintf(pos->fp, " ");
+               pos->last_timestamp = stream->timestamp;
+       }
 
+       if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') {
+               set_field_names_print(pos, ITEM_HEADER);
+               if (pos->print_names) {
+                       fprintf(pos->fp, "trace = ");
+               }
                fprintf(pos->fp, "%s", stream_class->trace->path);
                if (pos->print_names)
                        fprintf(pos->fp, ", ");
                else
                        fprintf(pos->fp, " ");
        }
-       if ((opt_trace_domain) && stream_class->trace->domain[0] != '\0') {
+       if ((opt_trace_domain_field && !opt_all_fields) && stream_class->trace->domain[0] != '\0') {
                set_field_names_print(pos, ITEM_HEADER);
                if (pos->print_names) {
                        fprintf(pos->fp, "trace:domain = ");
                }
-               if (opt_trace_domain)
-                       fprintf(pos->fp, "%s", stream_class->trace->domain);
+               fprintf(pos->fp, "%s", stream_class->trace->domain);
                if (pos->print_names)
                        fprintf(pos->fp, ", ");
                dom_print = 1;
        }
-       if ((opt_trace_procname) && stream_class->trace->procname[0] != '\0') {
+       if ((opt_trace_procname_field && !opt_all_fields) && stream_class->trace->procname[0] != '\0') {
                set_field_names_print(pos, ITEM_HEADER);
                if (pos->print_names) {
                        fprintf(pos->fp, "trace:procname = ");
                } else if (dom_print) {
                        fprintf(pos->fp, ":");
                }
-
-               if (opt_trace_procname)
-                       fprintf(pos->fp, "%s", stream_class->trace->procname);
+               fprintf(pos->fp, "%s", stream_class->trace->procname);
                if (pos->print_names)
                        fprintf(pos->fp, ", ");
                dom_print = 1;
        }
-       if ((opt_trace_vpid) && stream_class->trace->vpid[0] != '\0') {
+       if ((opt_trace_vpid_field && !opt_all_fields) && stream_class->trace->vpid[0] != '\0') {
                set_field_names_print(pos, ITEM_HEADER);
                if (pos->print_names) {
                        fprintf(pos->fp, "trace:vpid = ");
                } else if (dom_print) {
                        fprintf(pos->fp, ":");
                }
-
-               if (opt_trace_vpid)
-                       fprintf(pos->fp, "%s", stream_class->trace->vpid);
+               fprintf(pos->fp, "%s", stream_class->trace->vpid);
                if (pos->print_names)
                        fprintf(pos->fp, ", ");
                dom_print = 1;
        }
-       if ((opt_loglevel || opt_all_field_names) && event_class->loglevel_identifier != 0) {
+       if ((opt_loglevel_field || opt_all_fields) && event_class->loglevel_identifier != 0) {
                set_field_names_print(pos, ITEM_HEADER);
                if (pos->print_names) {
                        fprintf(pos->fp, "loglevel = ");
                } else if (dom_print) {
                        fprintf(pos->fp, ":");
                }
-
                fprintf(pos->fp, "%s (%lld)",
                        g_quark_to_string(event_class->loglevel_identifier),
                        (long long) event_class->loglevel_value);
@@ -364,7 +454,7 @@ int ctf_text_write_event(struct stream_pos *ppos,
        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;
 }
 
@@ -379,6 +469,7 @@ struct trace_descriptor *ctf_text_open_trace(const char *collection_path,
 
        pos = g_new0(struct ctf_text_stream_pos, 1);
 
+       pos->last_timestamp = -1ULL;
        switch (flags & O_ACCMODE) {
        case O_RDWR:
                if (!path)
@@ -394,7 +485,7 @@ struct trace_descriptor *ctf_text_open_trace(const char *collection_path,
                break;
        case O_RDONLY:
        default:
-               fprintf(stdout, "[error] Incorrect open flags.\n");
+               fprintf(stderr, "[error] Incorrect open flags.\n");
                goto error;
        }
 
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