uthreads: Migrate to new symbols API and include module name

tools/uthreads.py

@@ -104,7 +104,7 @@ def print_event(cpu, data, size):
     event = ct.cast(data, ct.POINTER(ThreadEvent)).contents
     name = event.name
     if event.type == "pthread":
-        name = bpf.sym(event.runtime_id, args.pid)
+        name = bpf.sym(event.runtime_id, args.pid, show_module=True)
         tid = event.native_id
     else:
         tid = "R=%s/N=%s" % (event.runtime_id, event.native_id)

tools/uthreads_example.txt

@@ -25,10 +25,10 @@ Next, trace only pthread creation events in some native application:
 # ./uthreads 27450
 Tracing thread events in process 27450 (language: none)... Ctrl-C to quit.
 TIME     ID               TYPE     DESCRIPTION                   
-0.924    27462            pthread  primes_thread                 
-0.927    27463            pthread  primes_thread                 
-0.928    27464            pthread  primes_thread                 
-0.928    27465            pthread  primes_thread                 
+0.924    27462            pthread  primes_thread [primes]
+0.927    27463            pthread  primes_thread [primes]     
+0.928    27464            pthread  primes_thread [primes]        
+0.928    27465            pthread  primes_thread [primes]        
 ^C
 
 The thread name ("primes_thread" in this example) is resolved from debuginfo.