On Tue, 23 Feb 2021 13:45:46 -0600
Josh Poimboeuf wrote:
> On Tue, Feb 23, 2021 at 04:36:19PM +0900, Masami Hiramatsu wrote:
> > On Tue, 23 Feb 2021 10:23:31 +0900
> > Masami Hiramatsu wrote:
> >
> > > On Mon, 22 Feb 2021 11:51:50 -0600
> > > Josh Poimboeuf wrote:
> > >
> > > > On Tue, Feb
On Tue, Feb 23, 2021 at 04:36:19PM +0900, Masami Hiramatsu wrote:
> On Tue, 23 Feb 2021 10:23:31 +0900
> Masami Hiramatsu wrote:
>
> > On Mon, 22 Feb 2021 11:51:50 -0600
> > Josh Poimboeuf wrote:
> >
> > > On Tue, Feb 23, 2021 at 12:05:08AM +0900, Masami Hiramatsu wrote:
> > > > > Of course,
On Tue, 23 Feb 2021 10:23:31 +0900
Masami Hiramatsu wrote:
> On Mon, 22 Feb 2021 11:51:50 -0600
> Josh Poimboeuf wrote:
>
> > On Tue, Feb 23, 2021 at 12:05:08AM +0900, Masami Hiramatsu wrote:
> > > > Of course, one could place probes using absolute addresses of the
> > > > functions but that
Hi,
On Tue, 23 Feb 2021 00:05:08 +0900
Masami Hiramatsu wrote:
>
> /* Adjust symbol name and address */
> static int post_process_probe_trace_point(struct probe_trace_point *tp,
>struct map *map, unsigned long
> offs)
> {
> struct
On Mon, 22 Feb 2021 11:51:50 -0600
Josh Poimboeuf wrote:
> On Tue, Feb 23, 2021 at 12:05:08AM +0900, Masami Hiramatsu wrote:
> > > Of course, one could place probes using absolute addresses of the
> > > functions but that would be less convenient.
> > >
> > > This also affects many livepatch
On Tue, Feb 23, 2021 at 12:05:08AM +0900, Masami Hiramatsu wrote:
> > Of course, one could place probes using absolute addresses of the
> > functions but that would be less convenient.
> >
> > This also affects many livepatch modules where the kernel code can be
> > compiled with
On Tue, 23 Feb 2021 00:05:08 +0900
Masami Hiramatsu wrote:
> Hi Evgenii,
>
> On Thu, 18 Feb 2021 20:09:17 +0300
> Evgenii Shatokhin wrote:
>
> > Hi,
> >
> > It seems, 'perf probe' can only see functions from .text section in the
> > kernel modules, but not from .text.unlikely or other
Hi Evgenii,
On Thu, 18 Feb 2021 20:09:17 +0300
Evgenii Shatokhin wrote:
> Hi,
>
> It seems, 'perf probe' can only see functions from .text section in the
> kernel modules, but not from .text.unlikely or other .text.* sections.
>
> For example, with kernel 5.11 and nf_conntrack.ko with debug
On Thu, Feb 18, 2021 at 08:09:17PM +0300, Evgenii Shatokhin wrote:
> Is there a way to allow probing of functions in .text. ?
>
> Of course, one could place probes using absolute addresses of the functions
> but that would be less convenient.
>
> This also affects many livepatch modules where
Hi,
It seems, 'perf probe' can only see functions from .text section in the
kernel modules, but not from .text.unlikely or other .text.* sections.
For example, with kernel 5.11 and nf_conntrack.ko with debug info, 'perf
probe' succeeds for nf_conntrack_attach() from .text and fails for
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