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I'm on Ubuntu 5.15.0-100-generic
built using the instructions for Ubuntu
I run:
```
/sbin/offcputime-bpfcc
```
```
3 warnings generated.
cannot attach kprobe, probe entry may not exist
…
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When I used the `pwru` on the machine, I had an error:
```
# sudo ./pwru 'dst host 127.0.0.1 and icmp'
...
program kprobe_skb_2: load program: permission denied: invalid indirect read from stack o…
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I tried to read a percpu variable in kprobe function, but it failed. Is there any way to read Linux __percpu variable in the bpf function?
```
dev = (struct net_device *)PT_REGS_PARM1(ctx);
bpf_p…
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### Is your feature request related to a problem? Please describe.
Kernel 6.10 has introduced so-called "kprobe session probes" ([patch series](https://lore.kernel.org/bpf/20240430112830.1184228-1-…
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bpflist -vv shows no attached kprobes or uprobes
```
$bpflist -vv
open kprobes:
open uprobes:
PID COMM TYPE COUNT
2718 biolatency map 2
2718 biolatency pro…
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libbpf: prog '__trace___dev_queue_xmit': failed to create kprobe '__dev_queue_xmit+0x0' perf event: Invalid argument
libbpf: prog '__trace___dev_queue_xmit': failed to auto-attach: -22
ERROR: failed…
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The kprobe method returns garbled data as the execve() filepath.
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/area networking
Follow up from Serving PR: https://github.com/knative/serving/pull/12033
- comment about KProbe logic in drainer being a duplicate functionality https://github.com/knative/serv…
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Currently, the OVS module hooks into the [ovs_do_execute_action tracepoint](https://elixir.bootlin.com/linux/v6.11.5/source/net/openvswitch/openvswitch_trace.h#L12) and extracts some basic action info…
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Hi!
I've built bpftools (including bpftrace) for aach64.
```sh
# /data/bin/bpftools/bpftrace --info
System
OS: Linux 5.10.43 #9 SMP PREEMPT Tue Jun 27 12:32:32 UTC 2023
Arch: aarch64
…