Support gdb/srs.py to stat coroutines. 4.0.44

README.md

@@ -155,6 +155,7 @@ For previous versions, please read:
 
 ## V4 changes
 
+* v4.0, 2020-10-31, Support gdb/srs.py to stat coroutines. 4.0.44
 * v4.0, 2020-09-19, RTC: Extract resource manager. Use any UDP packet to keep alive. 4.0.43
 * v4.0, 2020-09-09, RTC: Refine NACK RTT and efficiency. 4.0.42
 * v4.0, 2020-09-08, Refine PLI/NACK/DTLS logs. 4.0.41

trunk/gdb/srs.py

@@ -0,0 +1,30 @@
+import gdb, sys, traceback;
+
+class NnCouroutines(gdb.Command):
+    def __init__(self):
+        super(NnCouroutines, self).__init__('nn_coroutines', gdb.COMMAND_DATA)
+
+    def invoke(self, arg, from_tty):
+        try:
+            if len(arg) > 0:
+                prev = pthis = arg
+                print('start from %s'%(arg))
+            else:
+                prev = pthis = gdb.parse_and_eval('&_st_this_thread->tlink').__str__()
+                print('start from &_st_this_thread->tlink')
+            print('first is: %s'%(pthis))
+            nn_coroutines, pnext = 1, pthis
+            while True:
+                v = gdb.parse_and_eval('((_st_clist_t*)%s)->next'%pnext)
+                prev = pnext = str(v.__str__()).split(' ')[0]
+                if pnext == pthis:
+                    break
+                nn_coroutines += 1
+                if len(arg) > 0 or (nn_coroutines%1000) == 0:
+                    print('next is %s, total %s'%(pnext, nn_coroutines))
+            print('total coroutines: %s'%(nn_coroutines))
+        except:
+            print('Error: prev=%s, this=%s, next=%s, v=%s'%(prev, pthis, pnext, v))
+            traceback.print_exc()
+
+NnCouroutines()

trunk/src/core/srs_core_version4.hpp

@@ -24,6 +24,6 @@
 #ifndef SRS_CORE_VERSION4_HPP
 #define SRS_CORE_VERSION4_HPP
 
-#define SRS_VERSION4_REVISION 43
+#define SRS_VERSION4_REVISION 44
 
 #endif