On Wed, 16 Apr 2025 23:46:38 +0900 "Masami Hiramatsu (Google)" <[email protected]> wrote:
> Record trace_clock information in the trace_scratch area and show > it via `last_boot_info` so that reader can docode the timestamp > correctly. > With this change, the first line of the last_boot_info becomes > trace_clock which is used when the trace was recorded. E.g. > > /sys/kernel/tracing/instances/boot_mapped # cat last_boot_info > trace_clock: mono > ffffffff81000000 [kernel] > As this will not go in this cycle, which means tools may be built around this. Either we put it at the end, or we make it: # trace_clock: mono ffffffff81000000 [kernel] Where "info" like "trace_clock" will be in the comment section, and all non comments will be addresses. Tooling can then just ignore the comment section, or read it for more information. -- Steve
