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| -rw-r--r-- | chapter08/tar.xml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/chapter08/tar.xml b/chapter08/tar.xml index bfb1cf469..e55ad664d 100644 --- a/chapter08/tar.xml +++ b/chapter08/tar.xml @@ -72,6 +72,13 @@ <screen><userinput remap="test">make check</userinput></screen> + <!-- On one system the -j4 improvement is 167s - 46s = 121s (72.46%) --> + <note><para>The test time for Tar can be reduced significantly on a + system with multiple cores. To do this, append + <command>TESTSUITEFLAGS=-j<N></command> to the line above. For + instance, using -j4 can reduce the test time by over 70 + percent.</para></note> + <para>One test, capabilities: binary store/restore, is known to fail if it is run because LFS lacks selinux, but will be skipped if the host kernel does not support extended attributes on the filesystem used for building LFS.</para> |