Hi John, This patch adds the option --mainaffinity to specify the affinity of the main pid. This is mainly useful if you want to bind the main thread to a different (e.g. housekeeping ) CPU than the measurement threads. Regards Jonathan Jonathan Schwender (2): cyclictest: Move main pid setaffinity handling into a function cyclictest: Add --mainaffinity=[CPUSET] option. src/cyclictest/cyclictest.c | 39 ++++++++++++++++++++++++++++--------- 1 file changed, 30 insertions(+), 9 deletions(-) -- 2.29.2