dnf install -y libbpf bpftool- packetstat - an example XDP program
- skb-drops - monitor SKB drop reasons
- tccounter - an example tc program
$ ./skb-drops --help
Usage: skb-drops [OPTION...]
BPF program to count SKB drop reasons.
Trace SKB drops and display a summary count of drop reasons.
USAGE: ./skb-drops [-v]
-i, --interval=seconds Interval between reports
-v, --verbose Verbose debug output
-?, --help Give this help list
--usage Give a short usage message
-V, --version Print program version
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
Report bugs to <[email protected]>.$ ./tccounter --help
Usage: tccounter [OPTION...]
BPF tccounter demo application.
Trace packets at the tc hook and report packet statistics.
USAGE: ./tccounter [-v]
-d, --device=ifname Attach to device
-i, --interval=seconds Interval between reports
-v, --verbose Verbose debug output
-?, --help Give this help list
--usage Give a short usage message
-V, --version Print program version
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
Report bugs to <[email protected]>.$ make
$ sudo ./tcounter -d eth0podman build -t dns -f container/Containerfile.dns .podman run --privileged --mount type=bind,source=/sys/kernel/debug,target=/sys/kernel/debug -ti localhost/dns ./dns-trace