File 3473-etp.py-Print-registered-names-for-processes.patch of Package erlang

From 478bec9f16867b28dd4713421d924a40e575af7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Fri, 9 Apr 2021 06:22:58 +0200
Subject: [PATCH 2/7] etp.py: Print registered names for processes

---
 erts/etc/unix/etp.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/erts/etc/unix/etp.py b/erts/etc/unix/etp.py
index 56051c68b9..69cb3ba02e 100644
--- a/erts/etc/unix/etp.py
+++ b/erts/etc/unix/etp.py
@@ -72,6 +72,7 @@ def process_info(proc):
     print('  Pid: %s' % eterm(proc.GetChildMemberWithName('common').GetChildMemberWithName('id')))
     print('  State: %s' % process_state(proc))
     print('  Flags: %s' % process_flags(proc))
+    print_process_reg_name(proc)
     current = proc.GetChildMemberWithName('current')
     if current.unsigned != 0 and proc.GetChildMemberWithName('state').GetChildMemberWithName('counter').unsigned & 0x800 == 0:
         print('  Current function: %s' % mfa(current))
@@ -84,6 +85,14 @@ def process_info(proc):
         print('  I: %s' % 'unknown')
     print('  Pointer: %#x' % proc.unsigned)
 
+def print_process_reg_name(proc):
+    state = proc.GetChildMemberWithName('state').unsigned
+    if (state & 0x800) == 0:
+        # Not exiting.
+        reg = proc.GetChildMemberWithName('common').GetChildMemberWithName('u').GetChildMemberWithName('alive').GetChildMemberWithName('reg')
+        if reg.unsigned != 0:
+            print('  Registered name: %s' % eterm(reg.GetChildMemberWithName('name')))
+
 def process_state(proc):
     state = proc.GetChildMemberWithName('state').unsigned
     res = ''
-- 
2.26.2