StackOverflow Questions for Tag: ebpf

Chasing1020

Reputation: 33

How to use BPF_MAP_TYPE_CPUMAP?

clinuxebpfxdp-bpflibbpf

Score: 3

Answers: 1

李春林

Reputation: 1

In cilium update map return failed but map updated, and can't lookup map

ebpfcilium

Score: 0

Answers: 0

Bob5421

Reputation: 9163

Why do I need to include vmlinux.h when working with eBPF co-re

ebpf

Score: 3

Answers: 1

TreeWater

Reputation: 23

Why is detaching from a uprobe using bcc so much slower than attaching?

linux-kernelebpfbcc-bpf

Score: 2

Answers: 1

lax

Reputation: 23

eBPF: libbpf: failed to find BTF for extern 'bpf_dynptr_from_skb': -2

linux-kernelclangebpflibbpf

Score: 1

Answers: 1

TreeWater

Reputation: 23

How to get callee function name in eBPF on both entry and return probes

ebpfbcc-bpf

Score: 0

Answers: 1

Alexander Enneking

Reputation: 11

Aya Rust eBPF: Forwarding more packets then sending

rusttcpkernelebpfforwarding

Score: 1

Answers: 0

Bob5421

Reputation: 9163

Hook file deletion with EBPF

ebpf

Score: 0

Answers: 2

Vadim Goncharov

Reputation: 11

XDP/eBPF map thread safety in kernel (e.g. lookup/delete)

ebpfxdp-bpfxdp-pdf

Score: 0

Answers: 0

justsobad

Reputation: 3

TCP Packet Payload Sniffing with eBPF Kprobe Attachment to tcp_sendmsg

tcptraceebpfkprobe

Score: 0

Answers: 1

山河以无恙

Reputation: 110

When `BPF(eBPF)` traces the call stack, all user-mode functions are `[unknown]`. Why is this?

linuxebpfbpfbcc

Score: 1

Answers: 0

smz

Reputation: 505

eBPF for changing block IO requests

linuxebpf

Score: 0

Answers: 1

triple fault

Reputation: 14138

bpf_probe_read_user() `permission denied: invalid access to map value` in an ebpf program

ebpf

Score: 0

Answers: 1

Bob5421

Reputation: 9163

How can I dereference a pointer in an eBPF program

ebpf

Score: 1

Answers: 1

Parker

Reputation: 342

Kprobe and tracepoint, which one is triggered first?

linuxkernelebpfkprobe

Score: 0

Answers: 1

Riya Jha

Reputation: 1

bpf_probe_write_user helper function correct usage

ebpfbpf

Score: 0

Answers: 0

Riya Jha

Reputation: 1

bpftool - fault injection

ebpfbpf

Score: 0

Answers: 0

JeremyGuo

Reputation: 71

XDP_TX don't work for veth for the simplest L2 forwarding

linuxkernelebpfxdp-bpfxdp-pdf

Score: 1

Answers: 1

Farbod Shahinfar

Reputation: 814

How to create a new kfunc and pass an entry from an eBPF map to it as an argument?

ebpfbpf

Score: 0

Answers: 2

SuperSim135

Reputation: 155

What should I do if "sudo /usr/share/bcc/tools/execsnoop" fails after build BCC from source?

pythonc++linuxebpfbcc-bpf

Score: 4

Answers: 1

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StackOverflow Questions for Tag: ebpf

How to use BPF_MAP_TYPE_CPUMAP?

In cilium update map return failed but map updated, and can&#39;t lookup map

Why do I need to include vmlinux.h when working with eBPF co-re

Why is detaching from a uprobe using bcc so much slower than attaching?

eBPF: libbpf: failed to find BTF for extern &#39;bpf_dynptr_from_skb&#39;: -2

How to get callee function name in eBPF on both entry and return probes

Aya Rust eBPF: Forwarding more packets then sending

Hook file deletion with EBPF

XDP/eBPF map thread safety in kernel (e.g. lookup/delete)

TCP Packet Payload Sniffing with eBPF Kprobe Attachment to tcp_sendmsg

When `BPF(eBPF)` traces the call stack, all user-mode functions are `[unknown]`. Why is this?

eBPF for changing block IO requests

bpf_probe_read_user() `permission denied: invalid access to map value` in an ebpf program

How can I dereference a pointer in an eBPF program

Kprobe and tracepoint, which one is triggered first?

bpf_probe_write_user helper function correct usage

bpftool - fault injection

XDP_TX don&#39;t work for veth for the simplest L2 forwarding

How to create a new kfunc and pass an entry from an eBPF map to it as an argument?

What should I do if &quot;sudo /usr/share/bcc/tools/execsnoop&quot; fails after build BCC from source?

In cilium update map return failed but map updated, and can't lookup map

eBPF: libbpf: failed to find BTF for extern 'bpf_dynptr_from_skb': -2

XDP_TX don't work for veth for the simplest L2 forwarding

What should I do if "sudo /usr/share/bcc/tools/execsnoop" fails after build BCC from source?