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tools/gdb: Add net.py and netstats command

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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 <wengzhe@xiaomi.com>
This commit is contained in:
Zhe Weng 2024-08-22 15:55:16 +08:00 committed by Xiang Xiao
parent c0669e3fc9
commit 4ff0447027
1 changed files with 61 additions and 0 deletions
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61
tools/gdb/net.py Normal file
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############################################################################
# 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()