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author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2020-04-29 19:23:41 +0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-05-05 16:35:29 -0300 |
commit | bb629484d924118e3b1d8652177040115adcba01 (patch) | |
tree | 63c5b651859bbc6ad189d029efa52f020a65ed20 /LICENSES | |
parent | 846de4371fdfddfa49481e3d04884539870dc127 (diff) |
perf tools: Simplify checking if SMT is active.
SMT now could be disabled via "/sys/devices/system/cpu/smt/control".
Status is shown in "/sys/devices/system/cpu/smt/active" simply as "0" / "1".
If this knob isn't here then fallback to checking topology as before.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Dmitry Monakhov <dmtrmonakhov@yandex-team.ru>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/158817741394.748034.9273604089138009552.stgit@buzz
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'LICENSES')
0 files changed, 0 insertions, 0 deletions