://lore.kernel.org/r/20231213000452.88295-9-graf%40amazon.com
patch subject: [PATCH 08/15] tracing: Introduce names for ring buffers
config: i386-buildonly-randconfig-003-20231213
(https://download.01.org/0day-ci/archive/20231213/202312131922.5djorqu4-...@intel.com/config)
compiler: clang version
On Wed, 13 Dec 2023 01:35:16 +0100
Alexander Graf wrote:
> > The trace_array is the structure that represents each tracing instance. And
> > it already has a name field. And if you can get the associated ring buffer
> > from that too.
> >
> > struct trace_array *tr;
> >
> >
Hi Steve,
On 13.12.23 01:15, Steven Rostedt wrote:
On Wed, 13 Dec 2023 00:04:45 +
Alexander Graf wrote:
With KHO (Kexec HandOver), we want to preserve trace buffers across
kexec. To carry over their state between kernels, the kernel needs a
common handle for them that exists on both
On Wed, 13 Dec 2023 00:04:45 +
Alexander Graf wrote:
> With KHO (Kexec HandOver), we want to preserve trace buffers across
> kexec. To carry over their state between kernels, the kernel needs a
> common handle for them that exists on both sides. As handle we introduce
> names for ring
With KHO (Kexec HandOver), we want to preserve trace buffers across
kexec. To carry over their state between kernels, the kernel needs a
common handle for them that exists on both sides. As handle we introduce
names for ring buffers. In a follow-up patch, the kernel can then use
these names to