On Thu, Feb 21, 2019 at 10:41:32AM +0100, Jiri Olsa wrote: > And display the error message from removing > the old data file: > > $ perf record ls > Can't remove old data: Permission denied (perf.data.old) > Perf session creation failed. > > Not sure how to make fail the rename (after we successfully > remove the destination file/dir) to show the message, > anyway let's have it there.
The use of rm_rf is really scary. So I simple command line typo could turn this into rm -rf / ? Please add some sanity checks to not remove multiple levels, and only remove files which look like they are generated by perf. -Andi
