Messages in this thread | | | Date | Wed, 24 Jun 2020 23:16:03 -0700 | From | Kees Cook <> | Subject | Re: [PATCH 1/2] selftests/lkdtm: Don't clear dmesg when running tests |
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On Mon, Jun 22, 2020 at 02:21:38PM +0530, Naresh Kamboju wrote: > On Fri, 8 May 2020 at 12:23, Michael Ellerman <mpe@ellerman.id.au> wrote: > > # Record and dump the results > > -dmesg -c >"$LOG" > > +dmesg | diff --changed-group-format='%>' --unchanged-group-format='' "$DMESG" - > "$LOG" || true > > We are facing problems with the diff `=%>` part of the option. > This report is from the OpenEmbedded environment. > We have the same problem from livepatch_testcases.
Does "comm" exists in those environments?
dmesg | comm -13 "$DMESG" - > "$LOG" || true
this is even shorter than the diff command line. :)
-- Kees Cook
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