Support to multi-threading and pthread interface (POSIX.1-2008) (#23)

[lunaix-os.git] / lunaix-os / scripts / gdb / lunadbg / structs / scheduler.py

diff --git a/lunaix-os/scripts/gdb/lunadbg/structs/scheduler.py b/lunaix-os/scripts/gdb/lunadbg/structs/scheduler.py
new file mode 100644 (file)
index 0000000..3d4ccfb
--- /dev/null
+++ b/lunaix-os/scripts/gdb/lunadbg/structs/scheduler.py
@@ -0,0 +1,72 @@
+import gdb
+from . import KernelStruct
+from .pcb import ProcInfo
+from .thread import ThreadStruct
+from ..utils import llist_foreach
+
+class Scheduler(KernelStruct):
+    def __init__(self, gdb_inferior:  gdb.Value) -> None:
+        super().__init__(gdb_inferior, Scheduler)
+
+        self._current_t = gdb.parse_and_eval("current_thread")
+        self._current_p = gdb.parse_and_eval("__current")
+
+    @staticmethod
+    def get_type() -> gdb.Type:
+        return gdb.lookup_type("struct scheduler").pointer()
+    
+    def __print_thread_cb(self, v, pp, long_list):
+        pi = ThreadStruct(v)
+        pi.print_abstract(pp)
+        if long_list:
+            pi.print_simple(pp.next_level())
+        pp.print()
+
+
+    def __print_threads(self, pp, long_list):
+        pp.print("# of threads:", self._kstruct["ttable_len"])
+        pp.printf("scheduled: pid=%d, tid=%d", self._current_p['pid'], self._current_t['tid'] )
+        pp.print()
+
+        pp2 = pp.next_level()
+        plist = self._kstruct["threads"]
+        llist_foreach(plist, ThreadStruct.get_type(), "sched_sibs", 
+                      lambda i,v: self.__print_thread_cb(v, pp2, long_list))
+        pp.print()
+    
+
+    def __print_proc_cb(self, v, pp, long_list):
+        pi = ProcInfo(v)
+        pi.print_abstract(pp)
+        if long_list:
+            pi.print_simple(pp.next_level())
+
+
+    def __print_processes(self, pp, long_list = False):
+        pp.print("# of process:", self._kstruct["ptable_len"])
+        pp.printf("scheduled: pid=%d", self._current_p['pid'])
+        pp.print()
+
+        pp2 = pp.next_level()
+        plist = self._kstruct["proc_list"]
+        llist_foreach(plist, ProcInfo.get_type(), "tasks", 
+                      lambda i,v: self.__print_proc_cb(v, pp2, long_list))
+    
+
+    def print_detailed(self, pp, *args):
+        print_type = args[0]
+        print_longlist = args[1]
+        if print_type == 'procs':
+            self.__print_processes(pp, print_longlist)
+        elif print_type == 'threads':
+            self.__print_threads(pp, print_longlist)
+        else:
+            pp.print("Unknown print type:", print_type)
+
+
+    def print_abstract(self, pp, *args):
+        self.print_detailed(pp, *args)
+    
+
+    def print_simple(self, pp, *args):
+        self.print_detailed(pp, *args)
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