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Satheesh Rajendran d08d292b33 perf bench numa: Fixup discontiguous/sparse numa nodes 
[ Upstream commit 321a7c35c90cc834851ceda18a8ee18f1d032b92 ]

Certain systems are designed to have sparse/discontiguous nodes.  On
such systems, 'perf bench numa' hangs, shows wrong number of nodes and
shows values for non-existent nodes. Handle this by only taking nodes
that are exposed by kernel to userspace.

Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1edbcd353c009e109e93d78f2f46381930c340fe.1511368645.git.sathnaga@linux.vnet.ibm.com
Signed-off-by: Balamuruhan S <bala24@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-25 11:03:39 +01:00
..
bench.h perf bench futex: Add lock_pi stresser 2015-07-20 17:49:51 -03:00
Build perf bench: Rename 'mem-memcpy.c' => 'mem-functions.c' 2015-10-19 15:39:39 -03:00
futex-hash.c perf bench futex: Support operations for shared futexes 2014-09-29 15:43:21 -03:00
futex-lock-pi.c perf bench futex: Add lock_pi stresser 2015-07-20 17:49:51 -03:00
futex-requeue.c perf bench futex: Fix hung wakeup tasks after requeueing 2015-04-27 13:57:49 -03:00
futex-wake-parallel.c perf bench futex: Support parallel waker threads 2015-05-08 16:23:50 -03:00
futex-wake.c perf bench futex: Handle spurious wakeups 2015-05-08 16:24:02 -03:00
futex.h perf bench futex: Add lock_pi stresser 2015-07-20 17:49:51 -03:00
mem-functions.c perf bench: Use named initializers in the trailer too 2015-10-19 18:17:25 -03:00
mem-memcpy-arch.h tools/perf: Standardize feature support define names to: HAVE_{FEATURE}_SUPPORT 2013-10-09 08:48:28 +02:00
mem-memcpy-x86-64-asm-def.h perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
mem-memcpy-x86-64-asm.S perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
mem-memset-arch.h tools/perf: Standardize feature support define names to: HAVE_{FEATURE}_SUPPORT 2013-10-09 08:48:28 +02:00
mem-memset-x86-64-asm-def.h perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
mem-memset-x86-64-asm.S perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
numa.c perf bench numa: Fixup discontiguous/sparse numa nodes 2018-02-25 11:03:39 +01:00
sched-messaging.c perf bench: Harmonize all the -l/--nr_loops options 2015-10-19 16:10:05 -03:00
sched-pipe.c perf tools: Avoid build splat for syscall numbers with uclibc 2015-01-16 17:49:29 -03:00