tracing: Allow for max buffer data size trace_marker writes

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Allow a trace write to be as big as the ring buffer tracing data will
allow. Currently, it only allows writes of 1KB in size, but there's no
reason that it cannot allow what the ring buffer can hold.

Link: https://lore.kernel.org/linux-trace-kernel/20231212131901.5f501e72@gandalf.local.home

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

...

This commit is contained in:

Steven Rostedt (Google) 2023-12-12 13:19:01 -05:00

parent 0b9036efd8

commit 8ec90be7f1

3 changed files with 40 additions and 7 deletions

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1

include/linux/ring_buffer.h

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15

kernel/trace/ring_buffer.c

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31

kernel/trace/trace.c

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