From 55baa2f831ae4a41da9617ab9e7cef5ebc991ec9 Mon Sep 17 00:00:00 2001 From: Hendrik Brueckner Date: Thu, 12 Dec 2013 16:47:00 +0100 Subject: [PATCH] s390/perf: Improve PMU selection for PERF_COUNT_HW_CPU_CYCLES events The cpum_cf (counter facility) PMU does not support sampling events. With cpum_sf (sampling facility), a PMU for sampling CPU cycles is available. Make cpum_sf the "default" PMU for PERF_COUNT_HW_CPU_CYCLES sampling events but use the more precise cpum_cf PMU for non-sampling events. Signed-off-by: Hendrik Brueckner Signed-off-by: Martin Schwidefsky --- Reading git-format-patch failed