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commit 4ff0447027e4bf5713cc4ab1aa64b13965f5ff05
Author: Zhe Weng <weng...@xiaomi.com>
AuthorDate: Thu Aug 22 15:55:16 2024 +0800
tools/gdb: Add net.py and netstats command
Only support IOB stats now, may add socket status later.
(gdb) netstats
IOB: size ntotal nfree nwait nthrottle
1518 72 72 0 40
Signed-off-by: Zhe Weng <weng...@xiaomi.com>
---
tools/gdb/net.py | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/tools/gdb/net.py b/tools/gdb/net.py
new file mode 100644
index 0000000000..d361a211a1
--- /dev/null
+++ b/tools/gdb/net.py
@@ -0,0 +1,61 @@
+############################################################################
+# tools/gdb/net.py
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+import gdb
+import utils
+
+
+class NetStats(gdb.Command):
+ """Network statistics"""
+
+ def __init__(self):
+ super(NetStats, self).__init__("netstats", gdb.COMMAND_USER)
+
+ def iob_stats(self):
+ try:
+ size = utils.get_symbol_value("CONFIG_IOB_BUFSIZE")
+ ntotal = utils.get_symbol_value("CONFIG_IOB_NBUFFERS")
+
+ nfree = gdb.parse_and_eval("g_iob_sem")["semcount"]
+ nwait, nfree = (0, nfree) if nfree >= 0 else (-nfree, 0)
+
+ nthrottle = (
+ gdb.parse_and_eval("g_throttle_sem")["semcount"]
+ if utils.get_symbol_value("CONFIG_IOB_THROTTLE") > 0
+ else 0
+ )
+
+ gdb.write(
+ "IOB: %10s%10s%10s%10s%10s\n"
+ % ("size", "ntotal", "nfree", "nwait", "nthrottle")
+ )
+ gdb.write(
+ " %10d%10d%10d%10d%10d\n" % (size, ntotal, nfree, nwait,
nthrottle)
+ )
+ except gdb.error as e:
+ gdb.write("Failed to get IOB stats: %s\n" % e)
+
+ def invoke(self, args, from_tty):
+ if utils.get_symbol_value("CONFIG_MM_IOB"):
+ self.iob_stats()
+
+
+if utils.get_symbol_value("CONFIG_NET"):
+ NetStats()
