trace-cmd: Check if file version is supported
When reading a trace file, version of the file is ignored. This could
case problems when bumping the version number because of changes in
in the structure of the file. The old code should detect unsupported
file version and should not try to read it.
A new trace-cmd library API is added to check if version is supported:
tracecmd_is_version_supported()
Checks are added in the code to ensure not trying to read trace file
from unsupported version.
Link: https://lore.kernel.org/linux-trace-devel/20210614075029.598048-4-tz.stoyanov@gmail.com
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
4 files changed
