Add support for trace:hostname field

[babeltrace.git] / formats / ctf-text / ctf-text.c

diff --git a/formats/ctf-text/ctf-text.c b/formats/ctf-text/ctf-text.c
index 3b38ecaca9671fe88815ea5639ef264797f3212b..d209eca23f99da6634d6c1680045d8a3bd14f79b 100644 (file)
--- a/formats/ctf-text/ctf-text.c
+++ b/formats/ctf-text/ctf-text.c
@@ -46,6 +46,7 @@ int opt_all_field_names,
        opt_trace_domain_field,
        opt_trace_procname_field,
        opt_trace_vpid_field,
+       opt_trace_hostname_field,
        opt_loglevel_field,
        opt_delta_field = 1;
 
@@ -236,20 +237,30 @@ int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *
                return -EINVAL;
        }
        event_class = g_ptr_array_index(stream_class->events_by_id, id);
-       if (!event) {
-               fprintf(stderr, "[error] Event id %" PRIu64 " is unknown.\n", id);
+       if (!event_class) {
+               fprintf(stderr, "[error] Event class id %" PRIu64 " is unknown.\n", id);
                return -EINVAL;
        }
 
        /* Print events discarded */
        if (stream->events_discarded) {
                fflush(pos->fp);
-               fprintf(stderr, "[warning] Tracer discarded %d events between [",
+               fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events between [",
                        stream->events_discarded);
-               ctf_print_timestamp(stderr, stream, stream->prev_timestamp);
-               fprintf(stderr, "] and [");
-               ctf_print_timestamp(stderr, stream, stream->prev_timestamp_end);
-               fprintf(stderr, "]. You should consider increasing the buffer size.\n");
+               if (opt_clock_cycles) {
+                       ctf_print_timestamp(stderr, stream,
+                                       stream->prev_cycles_timestamp);
+                       fprintf(stderr, "] and [");
+                       ctf_print_timestamp(stderr, stream,
+                                       stream->prev_cycles_timestamp_end);
+               } else {
+                       ctf_print_timestamp(stderr, stream,
+                                       stream->prev_real_timestamp);
+                       fprintf(stderr, "] and [");
+                       ctf_print_timestamp(stderr, stream,
+                                       stream->prev_real_timestamp_end);
+               }
+               fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n");
                fflush(stderr);
                stream->events_discarded = 0;
        }
@@ -260,7 +271,11 @@ int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *
                        fprintf(pos->fp, "timestamp = ");
                else
                        fprintf(pos->fp, "[");
-               ctf_print_timestamp(pos->fp, stream, stream->timestamp);
+               if (opt_clock_cycles) {
+                       ctf_print_timestamp(pos->fp, stream, stream->cycles_timestamp);
+               } else {
+                       ctf_print_timestamp(pos->fp, stream, stream->real_timestamp);
+               }
                if (!pos->print_names)
                        fprintf(pos->fp, "]");
 
@@ -277,8 +292,8 @@ int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *
                        fprintf(pos->fp, "delta = ");
                else
                        fprintf(pos->fp, "(");
-               if (pos->last_timestamp != -1ULL) {
-                       delta = stream->timestamp - pos->last_timestamp;
+               if (pos->last_real_timestamp != -1ULL) {
+                       delta = stream->real_timestamp - pos->last_real_timestamp;
                        delta_sec = delta / NSEC_PER_SEC;
                        delta_nsec = delta % NSEC_PER_SEC;
                        fprintf(pos->fp, "+%" PRIu64 ".%09" PRIu64,
@@ -293,7 +308,8 @@ int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *
                        fprintf(pos->fp, ", ");
                else
                        fprintf(pos->fp, " ");
-               pos->last_timestamp = stream->timestamp;
+               pos->last_real_timestamp = stream->real_timestamp;
+               pos->last_cycles_timestamp = stream->cycles_timestamp;
        }
 
        if ((opt_trace_field || opt_all_fields) && stream_class->trace->path[0] != '\0') {
@@ -307,6 +323,16 @@ int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *
                else
                        fprintf(pos->fp, " ");
        }
+       if ((opt_trace_hostname_field && !opt_all_fields) && stream_class->trace->env.hostname[0] != '\0') {
+               set_field_names_print(pos, ITEM_HEADER);
+               if (pos->print_names) {
+                       fprintf(pos->fp, "trace:hostname = ");
+               }
+               fprintf(pos->fp, "%s", stream_class->trace->env.hostname);
+               if (pos->print_names)
+                       fprintf(pos->fp, ", ");
+               dom_print = 1;
+       }
        if ((opt_trace_domain_field && !opt_all_fields) && stream_class->trace->env.domain[0] != '\0') {
                set_field_names_print(pos, ITEM_HEADER);
                if (pos->print_names) {
@@ -448,7 +474,6 @@ int ctf_text_write_event(struct stream_pos *ppos, struct ctf_stream_definition *
        /* newline */
        fprintf(pos->fp, "\n");
        pos->field_nr = 0;
-       stream->consumed = 1;
 
        return 0;
 
@@ -467,7 +492,8 @@ struct trace_descriptor *ctf_text_open_trace(const char *path, int flags,
 
        pos = g_new0(struct ctf_text_stream_pos, 1);
 
-       pos->last_timestamp = -1ULL;
+       pos->last_real_timestamp = -1ULL;
+       pos->last_cycles_timestamp = -1ULL;
        switch (flags & O_ACCMODE) {
        case O_RDWR:
                if (!path)