On Wed, 17 Nov 2021 17:40:58 +0200
"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@xxxxxxxxx> wrote:
> From: "Tzvetomir Stoyanov (VMware)" <tstoyanov@xxxxxxxxxx>
>
> Currently the size of one buffer page is global for all buffers and it
> is hard coded to one system page. The patch set introduces configurable
> ring buffer page size, per ring buffer. A new user space interface is
> introduced, which allows to change the page size of the ftrace buffer, per
> ftrace instance.
A few of nits.
1. Even the cover letter should have a category ("tracing:").
2. The category is "tracing:" not "trace:"
3. These are kernel changes and should be sent to lkml and not
linux-trace-devel, as that mailing list is for tooling.
-- Steve
>
> Tzvetomir Stoyanov (VMware) (3):
> [RFC] trace: Page size per ring buffer
> [RFC] trace: Add interface for configuring trace ring buffer size
> [WiP] trace: Set new size of the ring buffer page
>
> include/linux/ring_buffer.h | 5 +-
> kernel/trace/ring_buffer.c | 251 +++++++++++++++++++++++++++---------
> kernel/trace/trace.c | 47 +++++++
> kernel/trace/trace_events.c | 71 ++++++++--
> 4 files changed, 304 insertions(+), 70 deletions(-)
>
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