Hi Brendan, Thank you for your response. Please find regenerated patch in attachment. Besides that i tried to minimize scope of the changes.-- Best Regards, Seliavka Evgenii

Hi Ashley, Could it be that you're reaching the maxactive bound and thus some probes are missed? From the kprobes documentation [1]: While the probed function is executing, its return address is

G'Day Evgenii, As in CONTRIBUTING_SCRIPTS.md, we're after tools that do one thing and do it well, so I'd generally avoid adding features that didn't belong in tools. In this case, it might actually

Hello, I slightly changed tools/tcpaccept.py and enhance the script with the possibility to track only connection which very dropped because of listen queue overflow. Just want to know community

Hi all, I have a problem which has been plaguing me for a few days, and was hoping for some insight or information that might help get to the bottom of it. I think itmight be a bug in the kernel

<mauricio.vasquez@...> wrote: not just cache line, you mean not in its naturally aligned boundary? One load/store is actually broken into multiple loads/stores by the compiler? So you mean both

It is not recommended to do delete() during get_next_key() loop. The delete() may change kernel internal hash table structure and get_next_key() may not function as expected. You can do one loop with

I use simple prog to get stat from my map type BPF_MAP_TYPE_HASH. An got too slow speed to delete elems from it, lookup elem 100-1000x faster. My code is just while(bpf_map_get_next_key(fd,

Hello folks, We have an eBPF program that shares a 64-bits integer with userspace using an array map. The eBPF program only reads the integer while the user-space application only writes it. We know

Hi All, Thank you for joining us on the call today. As usual, here are the notes. -Brenden === Discussion === Yonghong: - working on libbpf features - working on btf support in bcc - need to use

Please join us tomorrow for our bi-weekly call. As usual, this meeting is open to everybody and completely optional. You might be interested to join if: You want to know what is going on in BPF

You can take a look at bcc/tests/cc/{test_array_table.cc, test_hash_table.cc, test_bpf_table.cc}. There are a few examples there testing percpu maps.

Hi everyone, I am using BPF_MAP_TYPE_HASH in BPF map definition and my program is working as expected. I have read eBPF-map type BPF_MAP_TYPE_PERCPU_HASH allows for lock free uses of hash-tables

Finished re-spin and rebased on top of latest bpf-next. My set will potentially conflict with the following three other bpf-next pending patches/sets on selftests Makefile and test_verifier.c: -

Hi All, Thanks for dialing in to the call today. Here are notes from the discussion. Thanks, Brenden === Discussion === Alexei: * Spinlock patches being worked on * Proposal to standardize the BPF

Please join us tomorrow for our bi-weekly call. As usual, this meeting is open to everybody and completely optional. You might be interested to join if: You want to know what is going on in BPF

Sorry, I mean AF_XDP for veth driver. Thank you William

Hi All, Thanks for joining the call today after a short holiday hiatus. Below are my notes from the call. === Discussion === Brenden * Adopted new project kubectl-trace into github.com/iovisor from

*** Resuming after a holiday break *** Please join us tomorrow for our bi-weekly call. As usual, this meeting is open to everybody and completely optional. You might be interested to join if: You

It should be as long as the total memory is less than 4GB (your table memory + some overhead for each table entry).