Re: [PATCH v5 07/10] ring-buffer: Dynamically calculate max_data_size
Steven Rostedt <[email protected]>
| Newsgroups | org.kernel.vger.linux-trace-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, 13 Aug 2026 14:11:49 +0100 Vincent Donnefort <[email protected]> wrote: > The ring buffer order can be dynamically modified and temporarily > disables writing to do so. It is therefore safe to use the updated value > to calculate the maximum event size which can be written onto the ring > buffer. > > However, notice it is hardly making any difference for trace_marker > because of the TRACE_MARKER_MAX_SIZE limit. For an 8KiB subbuf size, > trace_marker can take 4096 characters while it can 'only' take 4054 > bytes for smaller subbufs. > > Fixes: f9b94daa542a ("ring-buffer: Set new size of the ring buffer sub page") Why the fixes tag? What is it fixing? -- Steve > Signed-off-by: Vincent Donnefort <[email protected]>