On Thu, Jan 18, 2024 at 5:54 PM Jiri Olsa <jolsa@xxxxxxxxxx> wrote: > > hi, > this patchset adds support to retrieve cookies from existing tracing > links that still did not support it plus changes to bpftool to display > them. It's leftover we discussed some time ago [1]. Thanks for your work. bpf cookie is also displayed in the pid_iter [0]. After we add support for the cookie for other progs like kprobe_multi and uprobe_multi, I think we should update this file as well. [0]. tools/bpf/bpftool/skeleton/pid_iter.bpf.c > > thanks, > jirka > > > [1] https://lore.kernel.org/bpf/CALOAHbAZ6=A9j3VFCLoAC_WhgQKU7injMf06=cM2sU4Hi4Sx+Q@xxxxxxxxxxxxxx/ > --- > Jiri Olsa (8): > bpf: Add cookie to perf_event bpf_link_info records > bpf: Store cookies in kprobe_multi bpf_link_info data > bpftool: Fix wrong free call in do_show_link > selftests/bpf: Add cookies check for kprobe_multi fill_link_info test > selftests/bpf: Add cookies check for perf_event fill_link_info test > selftests/bpf: Add fill_link_info test for perf event > bpftool: Display cookie for perf event link probes > bpftool: Display cookie for kprobe multi link > > include/uapi/linux/bpf.h | 5 +++++ > kernel/bpf/syscall.c | 4 ++++ > kernel/trace/bpf_trace.c | 15 +++++++++++++ > tools/bpf/bpftool/link.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------- > tools/include/uapi/linux/bpf.h | 5 +++++ > tools/testing/selftests/bpf/prog_tests/fill_link_info.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------- > tools/testing/selftests/bpf/progs/test_fill_link_info.c | 6 +++++ > 7 files changed, 204 insertions(+), 32 deletions(-) -- Regards Yafang
