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Subject: [MODERATED] Fwd: [PATCH 4/4] walnut 4
References: <47f2b71e-96b5-da80-d87e-882b36a34133@linux.intel.com>
From: Nelson D'Souza <nelson.dsouza@linux.intel.com>
Message-ID: <8d61c52d-b55c-aec5-ab47-4f9c6dc4cb6f@linux.intel.com>
Date: Fri, 22 Feb 2019 15:19:57 -0800
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Hi Peter,

I have attached the initial test logs from your latest patchset.=20

The perf command does not crash when /sys/devices/cpu/allow_tsx_force_abo=
rt is set to 0.
=20
Thanks,
Nelson

On 2/19/19 8:10 AM, speck for Peter Zijlstra wrote:
> On Tue, Feb 19, 2019 at 04:58:11PM +0100, speck for Peter Zijlstra wrot=
e:
>> +	if (!allow_tsx_force_abort && test_bit(3, c->idxmsk)) {
>> +		c =3D dyn_constraint(cpuc, c, idx);
>> +		c->idxmsk64 &=3D ~(1ULL << 3);
>> +		c->weight =3D c->idxmsk64 - 1;
>=20
> Damn; that should be:
>=20
> 		c->weight--;
>=20



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 name="tsx_force_abort_0.3counters"
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 filename="tsx_force_abort_0.3counters"

# started on Thu Feb 21 15:23:52 2019


 Performance counter stats for 'system wide':

            89,033      cache-misses              #   21.591 % of all cac=
he refs   =20
           412,353      cache-references                                 =
          =20
     4,630,472,209      branches                                         =
          =20

       1.005154418 seconds time elapsed




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Content-Type: text/plain; charset=UTF-8;
 name="tsx_force_abort_0.4counters"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment;
 filename="tsx_force_abort_0.4counters"

# started on Thu Feb 21 15:24:10 2019


 Performance counter stats for 'system wide':

     <not counted>      cache-misses                                     =
          =20
     <not counted>      cache-references                                 =
          =20
     <not counted>      branches                                         =
          =20
   <not supported>      branch-misses                                    =
          =20

       1.005054423 seconds time elapsed




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Content-Type: text/plain; charset=UTF-8;
 name="tsx_force_abort_1.3counters"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment;
 filename="tsx_force_abort_1.3counters"

# started on Thu Feb 21 15:21:37 2019


 Performance counter stats for 'system wide':

            58,484      cache-misses              #   14.165 % of all cac=
he refs   =20
           412,875      cache-references                                 =
          =20
     4,627,163,916      branches                                         =
          =20

       1.005123883 seconds time elapsed




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Content-Type: text/plain; charset=UTF-8;
 name="tsx_force_abort_1.4counters"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment;
 filename="tsx_force_abort_1.4counters"

# started on Thu Feb 21 15:21:04 2019


 Performance counter stats for 'system wide':

            71,146      cache-misses              #   11.203 % of all cac=
he refs   =20
           635,039      cache-references                                 =
          =20
     4,616,150,556      branches                                         =
          =20
            84,552      branch-misses             #    0.00% of all branc=
hes       =20

       1.005141562 seconds time elapsed




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