On Sat, Apr 28, 2018 at 9:56 AM, Alexei Starovoitov
<alexei.starovoi...@gmail.com> wrote:
> On Sat, Apr 28, 2018 at 12:02:04AM -0700, Yonghong Song wrote:
>> The test attached a raw_tracepoint program to sched/sched_switch.
>> It tested to get stack for user space, kernel space and user
>> space with build_id request. It also tested to get user
>> and kernel stack into the same buffer with back-to-back
>> bpf_get_stack helper calls.
>>
>> Whenever the kernel stack is available, the user space
>> application will check to ensure that the kernel function
>> for raw_tracepoint ___bpf_prog_run is part of the stack.
>>
>> Signed-off-by: Yonghong Song <y...@fb.com>
> ...
>> +static int get_stack_print_output(void *data, int size)
>> +{
>> + bool good_kern_stack = false, good_user_stack = false;
>> + const char *expected_func = "___bpf_prog_run";
>
> so the test works with interpreter only?
> I guess that's ok for now, but needs to fixed for
> configs with CONFIG_BPF_JIT_ALWAYS_ON=y
I did not test CONFIG_BPF_JIT_ALWAYS_ON=y.
I can have a followup patch for this if the patch set does not need respin.
