begin support for UST in live, not yet perfect but starting to work

[lttngtop.git] / src / lttngtop.c

diff --git a/src/lttngtop.c b/src/lttngtop.c
index 03d79d4c907ad678fb4d3ff6697ea07696f0c591..326bae832c34745517a4d680325ea496161c9853 100644 (file)
--- a/src/lttngtop.c
+++ b/src/lttngtop.c
@@ -66,6 +66,8 @@ int opt_begin;
 int opt_all;
 
 int quit = 0;
+/* We need at least one valid trace to start processing. */
+int valid_trace = 0;
 
 struct lttngtop *copy;
 pthread_t display_thread;
@@ -569,7 +571,7 @@ enum bt_cb_ret fix_process_table(struct bt_ctf_event *call_data,
        }
        ppid = get_context_ppid(call_data);
        if (ppid == -1ULL) {
-               goto error;
+               goto end;
        }
        vpid = get_context_vpid(call_data);
        if (pid == -1ULL) {
@@ -1163,6 +1165,9 @@ int check_requirements(struct bt_context *ctx)
                ret = -1;
                fprintf(stderr, "[error] missing procname context information\n");
        }
+       if (ret == 0) {
+               valid_trace = 1;
+       }
 
 end:
        return ret;
@@ -1239,10 +1244,10 @@ int main(int argc, char **argv, char **envp)
                }
 
                ret = check_requirements(bt_ctx);
-               if (ret < 0) {
+               if (ret < 0 && !valid_trace) {
                        fprintf(stderr, "[error] some mandatory contexts "
                                        "were missing, exiting.\n");
-                       goto end;
+                       //goto end;
                }
 
                if (!opt_textdump) {