perf annotate: Fix warning message on a missing vmlinux
When perf annotate runs with no vmlinux file it cannot annotate kernel
symbols because the kallsyms only provides symbol addresses. So it
recommends to run perf buildid-cache to install proper vmlinux image.
But running perf buildid-cache -av vmlinux as the message gives me
a following error:
$ perf buildid-cache -av /home/namhyung/build/kernel/vmlinux
Couldn't add v: No such file or directory
Since the -a option receives a parameter, 'v' should not be after the
option.
In addition -a option is not work for this case since the build-id
cache already has a kallsyms with same build-id so it'll fail with
EEXIST. Use recently added -u (--update) option for it.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
1 file changed
