On Fri, Jul 19, 2024 at 11:42 AM Andrii Nakryiko
wrote:
>
> On Mon, Jul 15, 2024 at 11:10 AM Andrii Nakryiko
> wrote:
> >
> > On Mon, Jul 15, 2024 at 10:10 AM Andrii Nakryiko
> > wrote:
> > >
> > > On Mon, Jul 15, 2024 at 7:45 AM Peter Zijlstra
> > > wrote:
> > > >
> > > > On Thu, Jul 11, 2024
On Mon, Jul 15, 2024 at 11:10 AM Andrii Nakryiko
wrote:
>
> On Mon, Jul 15, 2024 at 10:10 AM Andrii Nakryiko
> wrote:
> >
> > On Mon, Jul 15, 2024 at 7:45 AM Peter Zijlstra wrote:
> > >
> > > On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:
> > >
> > > > But then I also ran it on
On Mon, Jul 15, 2024 at 10:10 AM Andrii Nakryiko
wrote:
>
> On Mon, Jul 15, 2024 at 7:45 AM Peter Zijlstra wrote:
> >
> > On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:
> >
> > > But then I also ran it on Linux built from perf/uprobes branch (these
> > > patches), and after a fe
On Mon, Jul 15, 2024 at 7:45 AM Peter Zijlstra wrote:
>
> On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:
>
> > But then I also ran it on Linux built from perf/uprobes branch (these
> > patches), and after a few seconds I see that there is no more
> > attachment/detachment happeni
On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:
> But then I also ran it on Linux built from perf/uprobes branch (these
> patches), and after a few seconds I see that there is no more
> attachment/detachment happening. Eventually I got splats, which you
> can see in [1]. I used `s
On Fri, Jul 12, 2024 at 6:10 AM Peter Zijlstra wrote:
>
> On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:
>
> > Anyways, if you'd like to use it, it's at [0]. All you should need to
> > build and run it is:
> >
> > $ cd examples/c
> > $ make -j$(nproc) uprobe-stress
> > $ su
On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:
> Anyways, if you'd like to use it, it's at [0]. All you should need to
> build and run it is:
>
> $ cd examples/c
> $ make -j$(nproc) uprobe-stress
> $ sudo ./uprobe-stress -tN -aM -mP -fR
> [0]
> https://github.com/libbp
On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:
> You should only need not-too-old Clang to build everything (Clang 12+
> should work, I believe). But do let me know if you run into troubles.
A quick look at the thing shows me it's full of BPF gunk :/
Which means, I probably als
On Thu, Jul 11, 2024 at 4:07 AM Peter Zijlstra wrote:
>
> Hi!
>
> These patches implement the (S)RCU based proposal to optimize uprobes.
>
> On my c^Htrusty old IVB-EP -- where each (of the 40) CPU calls 'func' in a
> tight loop:
>
> perf probe -x ./uprobes test=func
> perf stat -ae probe_upro
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