Hello, I'm beginner about contribution using github system. Yesterday, I edited CONTRIBUTING-SCRIPTS.md file and succeeded the pull request and the CONTRIBUTING-SCRIPTS.md file was merged. But I don't

Let me try in a calm way (not like [1]) to explain how I imagine that the XDP processing RX-stage should be implemented. As I've pointed out before[2], I'm proposing splitting up the driver into RX-st

HI all, due to several calendar conflicts, we are going to skip tomorrow's TSC & Dev Members call. The schedule will resume as usual on 10/19. Regards, Marco Leogrande Sent by a carbon-based life form

This event has been canceled and removed from your calendar. IOvisor TSC & Dev Members call IOVisor TSC/Dev Meeting Wednesday, May 4, 2016 11:00 am | Pacific Daylight Time (San Francisco, GMT-07:00) |

Is it possible to isolate all the VMs ( which is using qemu/kvm ) disk read/write requests in vfs_read/vfs_write, blk_start_request/blk_account_io_completion of the host system kernel? Also, VM disk i

Hi All, Please join us for our bi-weekly call. This meeting is open to everybody and completely optional. IOVisor TSC/Dev MeetingEvery 2 weeks on Wednesday, from Wednesday, May 18, 2016, to no end dat

Hi all, Greetings from me! I install the newest Linux kernel 4.8.1 on CentOS 7, and want to try BPF feature. When I execute bcc/examples/hello_world.py, the following error is generated: # ./hello_wor

Hi everyone, I'm running kernel 4.8.0-rc5, and after running test_maps under samples/bpf, I found that `test_maps` just failed in test_percpu_hashmap_sanity() at line 146 key = 2; /* check that key=2

Hi, I'm running into this LLVM ERROR at compile time. Does anyone seem this before or can give me some suggestions? thanks! ------- LLVM ERROR: Cannot select: 0x3bafa28: ch = brind 0x3bc98f0:1, 0x3bc9

Earlier on this box running Fedora 25 x86_64 beta , I was able to test out the xdp_drop_count.py from /usr/share/bcc/examples/networking/xdp/xdp_drop_count.py with a mellanox ConnetX-3 card (mlx4). Bu

Hi, Is there an easy way to clear all entries in a BPF hash map? My use case: When my BPF userspace program and kernel BPF is running, I want to dynamically adding a new BPF hash map. IIUC, there is n

Folks, I have a bcc script that I've been using to debug the packet path in a project that I'm working on. I've been using kprobes and tracepoints to grab skb pointers. Most of the time enough of the

Hi, I'm trying to measure the performance of my BPF programs, which attach to clsact. As a start, I thought I could simply measure the cycles spent on cls_bpf_classify(), because it's the wrapper call

A number of us are attending Linux Plumbers this week, so we will have the next meeting 2 weeks from today. Sorry for the late notice.

Hi, I am looking what' s the best way to run kprobes/kretprobes eBPF in Golang and get events via perf maps. I was directed on IRC to iomodules as example: https://github.com/iovisor/iomodules/tree/ma

Hi All, After a bit of a hiatus, please join us for our bi-weekly call. This meeting is open to everybody and completely optional. Note that the US has recently changed back from Daylight "Saving" Tim

Hi, I am trying to attach my function to a tracepoint. I followed brendangregg's script "urandomread.py" and modified it to attach to syscalls:sys_enters_socket but the program gives me an error. Here

Hi guys, I'm a new-bie to IO visor project, so excited to know the effort like this. https://github.com/iovisor/bcc (I've been working on Linux dynamic tracing for many years, so quite familiar with L

Thanks Affan. I'm impressed by these two projects, especifily cilium. I will spend more time to study it. As there have many tools in bcc collection, so perhaps conmon also can move to <https://github

Hi All, Please join us for our bi-weekly call. This meeting is open to everybody and completely optional. IOVisor TSC/Dev MeetingEvery 2 weeks on Wednesday, from Wednesday, May 18, 2016, to no end dat