2018-12-10 11:03 UTC+0100 ~ Daniel Borkmann
> By the way, one thing that would still be useful in this context is that
> if tracefs hasn't been mounted that bpftool would auto-mount it for the
> user. Pretty clear that if the user requests 'bpftool prog tracelog' and
> we would fail due to not be
On 12/06/2018 08:36 PM, Alexei Starovoitov wrote:
> On Thu, Dec 06, 2018 at 05:20:54PM +, Quentin Monnet wrote:
>> 2018-12-05 19:18 UTC-0800 ~ Alexei Starovoitov
>>
>>> On Wed, Dec 05, 2018 at 06:15:23PM +, Quentin Monnet wrote:
>> +
>> +/* Allow room for NULL terminating b
On Thu, Dec 06, 2018 at 05:20:54PM +, Quentin Monnet wrote:
> 2018-12-05 19:18 UTC-0800 ~ Alexei Starovoitov
>
> > On Wed, Dec 05, 2018 at 06:15:23PM +, Quentin Monnet wrote:
> +
> +/* Allow room for NULL terminating byte and pipe file name */
> +snprintf(for
2018-12-05 19:18 UTC-0800 ~ Alexei Starovoitov
> On Wed, Dec 05, 2018 at 06:15:23PM +, Quentin Monnet wrote:
+
+ /* Allow room for NULL terminating byte and pipe file name */
+ snprintf(format, sizeof(format), "%%*s %%%zds %%99s %%*s %%*d %%*d\\n",
+ PATH_MAX -
On Wed, Dec 05, 2018 at 06:15:23PM +, Quentin Monnet wrote:
> > > +
> > > + /* Allow room for NULL terminating byte and pipe file name */
> > > + snprintf(format, sizeof(format), "%%*s %%%zds %%99s %%*s %%*d %%*d\\n",
> > > + PATH_MAX - strlen(pipe_name) - 1);
> >
> > before scanning
2018-12-05 08:50 UTC-0800 ~ Alexei Starovoitov
On Wed, Dec 05, 2018 at 10:28:24AM +, Quentin Monnet wrote:
BPF programs can use the bpf_trace_printk() helper to print debug
information into the trace pipe. Add a subcommand
"bpftool prog tracelog" to simply dump this pipe to the console.
Th
On Wed, Dec 05, 2018 at 10:28:24AM +, Quentin Monnet wrote:
> BPF programs can use the bpf_trace_printk() helper to print debug
> information into the trace pipe. Add a subcommand
> "bpftool prog tracelog" to simply dump this pipe to the console.
>
> This is for a good part copied from iproute
On 12/05/2018 11:28 AM, Quentin Monnet wrote:
> BPF programs can use the bpf_trace_printk() helper to print debug
> information into the trace pipe. Add a subcommand
> "bpftool prog tracelog" to simply dump this pipe to the console.
>
> This is for a good part copied from iproute2, where the featu
BPF programs can use the bpf_trace_printk() helper to print debug
information into the trace pipe. Add a subcommand
"bpftool prog tracelog" to simply dump this pipe to the console.
This is for a good part copied from iproute2, where the feature is
available with "tc exec bpf dbg". Changes include
