Messages in this thread | | | Date | Mon, 9 May 2016 11:42:19 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 02/10] x86, perf: Support sysfs files depending on SMT status |
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On Thu, May 05, 2016 at 04:03:59PM -0700, Andi Kleen wrote: > From: Andi Kleen <ak@linux.intel.com> > > Add a way to show different sysfs events attributes depending on > HyperThreading is on or off. This is difficult to determine > early at boot, so we just do it dynamically when the sysfs > attribute is read. > > v2: > Compute HT status only once in CPU online/offline hooks. > v3: Use topology_max_smt_threads() > Signed-off-by: Andi Kleen <ak@linux.intel.com> > --- > arch/x86/events/core.c | 24 ++++++++++++++++++++++++ > arch/x86/events/perf_event.h | 14 ++++++++++++++ > include/linux/perf_event.h | 7 +++++++ > 3 files changed, 45 insertions(+) >
Should this not now live in /sys/devices/system/cpu/ ? Thomas?
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