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in repository https://gitbox.apache.org/repos/asf/nuttx.git
commit 1c884ee2304f5d57089673b319cbedce6a611e5d
Author: Zhe Weng <weng...@xiaomi.com>
AuthorDate: Thu Aug 22 20:26:35 2024 +0800
tools/gdb: Add packet statistic in netstats
Unlike NuttX's one, we use decimal instead of hexadecimal, because other
stats may all use decimal.
(gdb) netstats
IOB: size ntotal nfree nwait nthrottle
1518 72 72 0 40
Packets: IPv4 IPv6 TCP UDP ICMP ICMPv6
Received 137 43 0 49 88 0
Dropped 0 43 0 0 74 0
VHL 0 0 - - - -
Frag 0 0 - - - -
Chksum 0 - 0 0 - -
Type - - - - 74 0
Proto 0 0 - - - -
Sent 11481 11542 0 17223 27 4
Rexmit - - 0 - - -
Signed-off-by: Zhe Weng <weng...@xiaomi.com>
---
tools/gdb/net.py | 35 +++++++++++++++++++++++++++++++++++
tools/gdb/utils.py | 8 ++++++++
2 files changed, 43 insertions(+)
diff --git a/tools/gdb/net.py b/tools/gdb/net.py
index d361a211a1..c2f2e3ca31 100644
--- a/tools/gdb/net.py
+++ b/tools/gdb/net.py
@@ -52,9 +52,44 @@ class NetStats(gdb.Command):
except gdb.error as e:
gdb.write("Failed to get IOB stats: %s\n" % e)
+ def pkt_stats(self):
+ try:
+ netstats = gdb.parse_and_eval("g_netstats")
+ gdb.write(
+ "Packets:%7s%7s%7s%7s%7s%7s\n"
+ % ("IPv4", "IPv6", "TCP", "UDP", "ICMP", "ICMPv6")
+ )
+
+ def stats_line(title, member):
+ gdb.write("%-8s" % title)
+ for proto in ("ipv4", "ipv6", "tcp", "udp", "icmp", "icmpv6"):
+ gdb.write(
+ "%7s"
+ % utils.get_field(utils.get_field(netstats, proto),
member, "-")
+ )
+ gdb.write("\n")
+
+ stats_line("Received", "recv")
+ stats_line("Dropped", "drop")
+ stats_line(" VHL", "vhlerr")
+ stats_line(" Frag", "fragerr")
+ stats_line(" Chksum", "chkerr")
+ stats_line(" Type", "typeerr")
+ stats_line(" Proto", "protoerr")
+ # TODO: Maybe print TCP's ackerr, rst, syndrop, synrst here
+ stats_line("Sent", "sent")
+ stats_line(" Rexmit", "rexmit")
+
+ except gdb.error as e:
+ gdb.write("Failed to get Net Stats: %s\n" % e)
+
def invoke(self, args, from_tty):
if utils.get_symbol_value("CONFIG_MM_IOB"):
self.iob_stats()
+ gdb.write("\n")
+ if utils.get_symbol_value("CONFIG_NET_STATISTICS"):
+ self.pkt_stats()
+ gdb.write("\n")
if utils.get_symbol_value("CONFIG_NET"):
diff --git a/tools/gdb/utils.py b/tools/gdb/utils.py
index 51dbd01958..1f130893e9 100644
--- a/tools/gdb/utils.py
+++ b/tools/gdb/utils.py
@@ -169,6 +169,14 @@ def get_symbol_value(name, locspec="nx_start",
cacheable=True):
return value
+def get_field(val, key, default=None):
+ """Get a field from a gdb.Value, return default if key not found"""
+ try:
+ return val[key] if val else default
+ except gdb.error:
+ return default
+
+
def import_check(module, name="", errmsg=""):
try:
module = __import__(module, fromlist=[name])
