diff --git a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/__main__.py b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/__main__.py
index cc506957..788043fc 100644
--- a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/__main__.py
+++ b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/__main__.py
@@ -1,5 +1,5 @@
 ################################################################################
-# Copyright (c) 2022 Wind River Systems, Inc.
+# Copyright (c) 2022,2025 Wind River Systems, Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -12,7 +12,7 @@ from . import coredump
 def main():
     # https://man7.org/linux/man-pages/man5/core.5.html
     kwargs = {
-        'pid': sys.argv[1],  # %P
+        'host_pid': sys.argv[1],  # %P
         'uid': sys.argv[2],  # %u
         'gid': sys.argv[3],  # %g
         'signal': sys.argv[4],  # %s
@@ -20,6 +20,7 @@ def main():
         'comm': sys.argv[6],  # %e
         'hostname': sys.argv[7],  # %h
         'comm2': sys.argv[8],  # %h
+        'container_pid': sys.argv[9],  # %p
     }
     coredump.CoreDumpHandler(**kwargs)
 
diff --git a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/config_functions.py b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/config_functions.py
index 05b2b249..4732fb12 100644
--- a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/config_functions.py
+++ b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/config_functions.py
@@ -1,5 +1,5 @@
 ################################################################################
-# Copyright (c) 2022 Wind River Systems, Inc.
+# Copyright (c) 2022,2025 Wind River Systems, Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -71,14 +71,20 @@ def parse_core_pattern(string_core_pattern, **kwargs):
     string_core_pattern = splitted_path[-1]
 
     LOG.info(f'Parsing core pattern: {string_core_pattern}')
-    processed_string = string_core_pattern.lower()
-    processed_string = processed_string.replace('%p', kwargs['pid'])
-    processed_string = processed_string.replace('%u', kwargs['uid'])
-    processed_string = processed_string.replace('%g', kwargs['gid'])
-    processed_string = processed_string.replace('%s', kwargs['signal'])
-    processed_string = processed_string.replace('%t', kwargs['timestamp'])
-    processed_string = processed_string.replace('%h', kwargs['hostname'])
-    processed_string = processed_string.replace('%e', kwargs['comm2'])
+    processed_string = string_core_pattern
+    for pattern, value in [
+        ('%p', kwargs.get('container_pid')),
+        ('%P', kwargs.get('host_pid')),
+        ('%u', kwargs.get('uid')),
+        ('%g', kwargs.get('gid')),
+        ('%s', kwargs.get('signal')),
+        ('%t', kwargs.get('timestamp')),
+        ('%h', kwargs.get('hostname')),
+        ('%e', kwargs.get('comm2'))
+    ]:
+        if pattern in processed_string:
+            processed_string = processed_string.replace(pattern, value)
+
     LOG.info(f'Core pattern parsed to {processed_string}')
 
     splitted_path[-1] = processed_string
diff --git a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/coredump.py b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/coredump.py
index 308451d3..3c1b47d0 100644
--- a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/coredump.py
+++ b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/coredump.py
@@ -1,5 +1,5 @@
 ################################################################################
-# Copyright (c) 2022 Wind River Systems, Inc.
+# Copyright (c) 2022,2025 Wind River Systems, Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -98,11 +98,14 @@ def _podCoreFile(pid, corefile, annotations_config):
 
 
 def CoreDumpHandler(**kwargs):
-    pid = kwargs['pid']
+    pid = kwargs['host_pid']
     uid = kwargs['uid']
     exe = kwargs['comm']
-
-    LOG.critical("Process %s (%s) of user %s dumped core." % (pid, exe, uid))
+    container_pid = kwargs['container_pid']
+    LOG.critical(
+        "Process of External PID %s / Internal PID %s (command:%s) of user %s dumped core" %
+        (pid, container_pid, exe, uid)
+    )
 
     pod = _lookupPod(pid)
     if pod:
diff --git a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/base.py b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/base.py
index c7f4c9b1..2e104ee1 100644
--- a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/base.py
+++ b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/base.py
@@ -1,5 +1,5 @@
 ################################################################################
-# Copyright (c) 2023 Wind River Systems, Inc.
+# Copyright (c) 2023,2025 Wind River Systems, Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -125,7 +125,7 @@ class BaseTestCase(TestCase):
 
         # Values that would come from the invokation of k8s-coredump-handler
         self.input_kwargs = {
-            'pid': "999999",  # %P
+            'host_pid': "999999",  # %P
             'uid': "8",  # %u
             'gid': "7",  # %g
             'signal': "6",  # %s
@@ -133,4 +133,5 @@ class BaseTestCase(TestCase):
             'comm': "process_name_for_systemd_handler",  # %e
             'hostname': "test_host",  # %h
             'comm2': "process_name_for_k8s_handler",  # %e
+            'container_pid': "123456",  # %p
         }
diff --git a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/test_data.py b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/test_data.py
index bb13b8a9..5ffc15ea 100644
--- a/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/test_data.py
+++ b/utilities/k8s-coredump/k8s-coredump/k8s_coredump/tests/test_data.py
@@ -1,5 +1,5 @@
 ################################################################################
-# Copyright (c) 2023 Wind River Systems, Inc.
+# Copyright (c) 2023,2025 Wind River Systems, Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -17,12 +17,12 @@ DISK_USAGE = {'total_space': 536870912000, 'used_space': 268435456000, 'free_spa
 # Dictionary with test input values and expected values for individual test cases.
 ANNOTATIONS_EXAMPLES = [
     {
-        "starlingx.io/core_pattern": "test.core.%P.%U.%G.%S.%T.%E.%H",  # All Upper Case
+        "starlingx.io/core_pattern": "test.core.%P.%p.%u.%g.%s.%t.%e.%h",
         "starlingx.io/core_max_size": "200K",  # Test Kilobytes and Upper case
         "starlingx.io/core_compression": "lz4",  # Test compression.
         "starlingx.io/core_max_used": "20%",  # Test maximum used space
         "starlingx.io/core_min_free": "20%",
-        "expected_core_pattern": "test.core.999999.8.7.6.1671181200.process_name_for_k8s_handler.test_host",
+        "expected_core_pattern": "test.core.999999.123456.8.7.6.1671181200.process_name_for_k8s_handler.test_host",
         "expected_core_max_size": (200.0, config_functions.file_size_properties['k']),
         "expected_truncate_value": 0,
         # The value here is 0 because the core_max_used is 20% and the test
@@ -33,14 +33,14 @@ ANNOTATIONS_EXAMPLES = [
     {
         "starlingx.io/core_pattern": "test.core.%p.%u.%g.%s.%t.%e.%h",  # All Lower Case
         "starlingx.io/core_max_size": "20m",  # Test Megabytes and Lower case
-        "expected_core_pattern": "test.core.999999.8.7.6.1671181200.process_name_for_k8s_handler.test_host",
+        "expected_core_pattern": "test.core.123456.8.7.6.1671181200.process_name_for_k8s_handler.test_host",
         "expected_core_max_size": (20.0, config_functions.file_size_properties['m']),
         "expected_truncate_value": 20971520,  # 20mb in Bytes
         "coredump_file_content": "0123456789012345678901234567890123456789",
         "expected_write_content": "0123456789012345678901234567890123456789",
     },
     {
-        "starlingx.io/core_pattern": "test.core.%P.%u.%G.%s.%t.%E.%h",  # Mixed Case
+        "starlingx.io/core_pattern": "test.core.%P.%u.%g.%s.%t.%e.%h",  # Mixed Case
         "starlingx.io/core_max_size": "2G",  # Test Gigabytes
         "starlingx.io/core_min_free": "249G",
         # The test is setup to have 250gb free space, configuring 249gb as
@@ -64,14 +64,14 @@ ANNOTATIONS_EXAMPLES = [
     {
         "starlingx.io/core_pattern": "test.core.%p.%u.%g.%s.%t.%e.%h",  # All Lower Case
         "starlingx.io/core_max_size": "10b",  # Test bytes and Lower case
-        "expected_core_pattern": "test.core.999999.8.7.6.1671181200.process_name_for_k8s_handler.test_host",
+        "expected_core_pattern": "test.core.123456.8.7.6.1671181200.process_name_for_k8s_handler.test_host",
         "expected_core_max_size": (10.0, config_functions.file_size_properties['b']),
         "expected_truncate_value": 10,  # 10 Bytes
         "coredump_file_content": "012345678901234567890123456789",
         "expected_write_content": "0123456789",
     },
     {
-        "starlingx.io/core_pattern": "/var/log/coredump/test.core.%P.%u.%G.%s.%t.%E.%h",  # With path
+        "starlingx.io/core_pattern": "/var/log/coredump/test.core.%P.%u.%g.%s.%t.%e.%h",  # With path
         "expected_core_pattern":
             "/var/log/coredump/test.core.999999.8.7.6.1671181200.process_name_for_k8s_handler.test_host",
         "expected_truncate_value": 0,  # No size limit
@@ -112,7 +112,7 @@ MOCKED_POD_INFO = f"""
         "uid": "{MOCKED_UID}",
         "annotations":
             {{
-                "starlingx.io/core_pattern": "test.core.%P.%U.%G.%S.%T.%E.%H",
+                "starlingx.io/core_pattern": "test.core.%P.%u.%g.%s.%t.%e.%h.%p",
                 "starlingx.io/core_max_size": "200K",
                 "starlingx.io/core_compression": "lz4",
                 "starlingx.io/core_max_used": "20%",
diff --git a/utilities/stx-extensions/files/coredump-sysctl-debian.conf b/utilities/stx-extensions/files/coredump-sysctl-debian.conf
index 90d6262e..e4a3fafd 100644
--- a/utilities/stx-extensions/files/coredump-sysctl-debian.conf
+++ b/utilities/stx-extensions/files/coredump-sysctl-debian.conf
@@ -13,7 +13,7 @@
 # the core dump.
 #
 # See systemd-coredump(8) and core(5).
-kernel.core_pattern=|/usr/bin/k8s-coredump %P %u %g %s %t 9223372036854775808 %h %e
+kernel.core_pattern=|/usr/bin/k8s-coredump %P %u %g %s %t 9223372036854775808 %h %e %p
 
 # Allow that 16 coredumps are dispatched in parallel by the kernel. We want to
 # be able to collect process metadata from /proc/%P/ while processing