On 12/1/17 9:51 AM, Arnaldo Carvalho de Melo wrote:
But this is not just testcase expectations, the usecase is someone
wanting to use a newer tool, with perhaps some new features of interest
that don't depend on changes in the kernel, in an older kernel on a
system where updating it is not
On 12/1/17 9:51 AM, Arnaldo Carvalho de Melo wrote:
But this is not just testcase expectations, the usecase is someone
wanting to use a newer tool, with perhaps some new features of interest
that don't depend on changes in the kernel, in an older kernel on a
system where updating it is not
Em Thu, Nov 30, 2017 at 01:51:15PM -0800, Alexei Starovoitov escreveu:
> On 11/30/17 11:00 AM, Arnaldo Carvalho de Melo wrote:
> > > Instead of sinking all future bpf_attr's backward compatibility
> > > requirements to sys_bpf, I would push it up to its own BPF_* command
> > > helper which has a
Em Thu, Nov 30, 2017 at 01:51:15PM -0800, Alexei Starovoitov escreveu:
> On 11/30/17 11:00 AM, Arnaldo Carvalho de Melo wrote:
> > > Instead of sinking all future bpf_attr's backward compatibility
> > > requirements to sys_bpf, I would push it up to its own BPF_* command
> > > helper which has a
On Thu, Nov 30, 2017 at 04:00:42PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Nov 30, 2017 at 10:28:08AM -0800, Martin KaFai Lau escreveu:
> > On Thu, Nov 30, 2017 at 01:53:58PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo
>
On Thu, Nov 30, 2017 at 04:00:42PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Nov 30, 2017 at 10:28:08AM -0800, Martin KaFai Lau escreveu:
> > On Thu, Nov 30, 2017 at 01:53:58PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo
>
On 11/30/17 11:00 AM, Arnaldo Carvalho de Melo wrote:
Instead of sinking all future bpf_attr's backward compatibility
requirements to sys_bpf, I would push it up to its own BPF_* command
helper which has a better sense of its bpf_attr, i.e. push it up
to bpf_create_map_node() and
On 11/30/17 11:00 AM, Arnaldo Carvalho de Melo wrote:
Instead of sinking all future bpf_attr's backward compatibility
requirements to sys_bpf, I would push it up to its own BPF_* command
helper which has a better sense of its bpf_attr, i.e. push it up
to bpf_create_map_node() and
Em Thu, Nov 30, 2017 at 10:28:08AM -0800, Martin KaFai Lau escreveu:
> On Thu, Nov 30, 2017 at 01:53:58PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau
Em Thu, Nov 30, 2017 at 10:28:08AM -0800, Martin KaFai Lau escreveu:
> On Thu, Nov 30, 2017 at 01:53:58PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau
On Thu, Nov 30, 2017 at 01:53:58PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau escreveu:
> > > On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo
On Thu, Nov 30, 2017 at 01:53:58PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau escreveu:
> > > On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo
Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau escreveu:
> > On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau
Em Thu, Nov 30, 2017 at 12:01:10AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau escreveu:
> > On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau
Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau escreveu:
> On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau escreveu:
> > > On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
Em Wed, Nov 29, 2017 at 02:31:36PM -0800, Martin KaFai Lau escreveu:
> On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau escreveu:
> > > On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau escreveu:
> > On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
> > >
> > > [root@jouet ~]# perf test -v bpf
> > > 39: BPF filter
On Wed, Nov 29, 2017 at 06:15:43PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau escreveu:
> > On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
> > >
> > > [root@jouet ~]# perf test -v bpf
> > > 39: BPF filter
Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau escreveu:
> On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
> >
> > [root@jouet ~]# perf test -v bpf
> > 39: BPF filter:
> > 39.1: Basic BPF filtering
Em Wed, Nov 29, 2017 at 01:07:34PM -0800, Martin KaFai Lau escreveu:
> On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
> >
> > [root@jouet ~]# perf test -v bpf
> > 39: BPF filter:
> > 39.1: Basic BPF filtering
On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
>
> [root@jouet ~]# perf test -v bpf
> 39: BPF filter:
> 39.1: Basic BPF filtering :
> --- start ---
> test child forked, pid 12198
> Kernel build
On Tue, Nov 28, 2017 at 04:05:19PM -0300, Arnaldo Carvalho de Melo wrote:
>
> [root@jouet ~]# perf test -v bpf
> 39: BPF filter:
> 39.1: Basic BPF filtering :
> --- start ---
> test child forked, pid 12198
> Kernel build
So, I had 'perf test BPF' failing in perf/core, at first thought it was
due to an update I had made to clang, but then I noticed that with
perf/urgent it works, so something else, did a bisection and got to:
[acme@jouet linux]$ git bisect bad
88cda1c9da02c8aa31e1d5dcf22e8a35cc8c19f2 is the first
So, I had 'perf test BPF' failing in perf/core, at first thought it was
due to an update I had made to clang, but then I noticed that with
perf/urgent it works, so something else, did a bisection and got to:
[acme@jouet linux]$ git bisect bad
88cda1c9da02c8aa31e1d5dcf22e8a35cc8c19f2 is the first
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