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In order to take full advantage of BTF/CORE and support a large variety of systems with the same static build, it is useful for the eBPF program to know the kernel version.
libbpf exports this info…
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Hi everyone, I was following the guide in [1], however, when attaching the usdt it fails with the error:
```
libbpf: usdt: no USDT notes section (.note.stapsdt) found in '/usr/lib/jvm/java-11-openjd…
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i want to submit tcpdrop pr ,is BCC to libbpf conversion
this is source
https://github.com/iovisor/bcc/blob/master/tools/tcpdrop.py
i will coding ,is ok?
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Hi,
When I run the below command in the /p4c/extensions/p4c-xdp/tests :
```bash
# gcc -I ../lib/ ../lib/libbpf.o user_xdp5.c -o xdp5
```
there's an error that
```bash
…
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In libbpf 1.0 we have new bpf_map__update_elem which we should use instead in bpfmap.Update() and probably bpfmap.UpdateFlags()
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### What happened?
We are interested in running Kepler on an ARM Ampere Altra Max machine (BM). We managed to successfully build the Kepler image from the Dockerfiles available in the build/ folder o…
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My tracepoint for sys_accept is not working for some reason.
Here is the bpf code related to accept
```
#include
#include "dojosnoop.h"
#include
#include
#include "syscalls.h"
static pid_…
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This is a major prerequisite for https://github.com/cilium/cilium/issues/29216 and will allow us to pre-build an ELF containing all of the agent's map definitions.
This can then be used to pull map B…
ti-mo updated
2 months ago
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Hi Dear Fellows:
When I do AF_XDP test on Virtio network device, I got a problem as below. So pls help to figure out this problem, I don't know so much regarding virtual network device.
Excep…
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### bpftrace --info
System
OS: Linux 5.9.0-rc1+ #2 SMP Mon Aug 24 16:18:45 CST 2020
Arch: x86_64
Build
version: v0.11.0-85-gd56e
LLVM: 7
foreach_sym: yes
unsafe uprobe: no
…