[Intel-gfx] [PATCH] drm/i915/pmu: Do not use colon characters in PMU names

[Intel-gfx] [PATCH] drm/i915/pmu: Do not use colon characters in PMU names

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

We use PCI device path in the registered PMU name in order to distinguish
between multiple GPUs. But since tools/perf reserves a special meaning to
the colon character we need to transliterate them to something else. We
choose a dash.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_pmu.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index f3ef6700a5f2..ecbd0e1f1a90 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -1117,12 +1117,22 @@ void i915_pmu_register(struct drm_i915_private *i915)
 	hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	pmu->timer.function = i915_sample;
 
-	if (!is_igp(i915))
+	if (!is_igp(i915)) {
 		pmu->name = kasprintf(GFP_KERNEL,
 				      "i915-%s",
 				      dev_name(i915->drm.dev));
-	else
+		if (pmu->name) {
+			char *p;
+
+			/* tools/perf reserves colons as special. */
+			for (p = (char *)pmu->name; *p; p++) {
+				if (*p == ':')
+					*p = '-';
+			}
+		}
+	} else {
 		pmu->name = "i915";
+	}
 	if (!pmu->name)
 		goto err;
 
-- 
2.20.1

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Re: [Intel-gfx] [PATCH] drm/i915/pmu: Do not use colon characters in PMU names

[Chris Wilson]

Quoting Tvrtko Ursulin (2020-01-10 11:11:26)
> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> 
> We use PCI device path in the registered PMU name in order to distinguish
> between multiple GPUs. But since tools/perf reserves a special meaning to
> the colon character we need to transliterate them to something else. We
> choose a dash.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
> Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Andi Kleen <ak@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_pmu.c | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> index f3ef6700a5f2..ecbd0e1f1a90 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.c
> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> @@ -1117,12 +1117,22 @@ void i915_pmu_register(struct drm_i915_private *i915)
>         hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
>         pmu->timer.function = i915_sample;
>  
> -       if (!is_igp(i915))
> +       if (!is_igp(i915)) {
>                 pmu->name = kasprintf(GFP_KERNEL,
>                                       "i915-%s",
>                                       dev_name(i915->drm.dev));
> -       else
> +               if (pmu->name) {

/* tools/perf reserves colons as special. */
strreplace(pmu->name, ':', '-');

I worry because the err_idx pointed to the '-'. We may have to use _
-Chris
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Re: [Intel-gfx] [PATCH] drm/i915/pmu: Do not use colon characters in PMU names

[Tvrtko Ursulin]

On 10/01/2020 11:21, Chris Wilson wrote:
> Quoting Tvrtko Ursulin (2020-01-10 11:11:26)
>> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>
>> We use PCI device path in the registered PMU name in order to distinguish
>> between multiple GPUs. But since tools/perf reserves a special meaning to
>> the colon character we need to transliterate them to something else. We
>> choose a dash.
>>
>> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>> Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
>> Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
>> Cc: Chris Wilson <chris@chris-wilson.co.uk>
>> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
>> Cc: Andi Kleen <ak@linux.intel.com>
>> ---
>>   drivers/gpu/drm/i915/i915_pmu.c | 14 ++++++++++++--
>>   1 file changed, 12 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
>> index f3ef6700a5f2..ecbd0e1f1a90 100644
>> --- a/drivers/gpu/drm/i915/i915_pmu.c
>> +++ b/drivers/gpu/drm/i915/i915_pmu.c
>> @@ -1117,12 +1117,22 @@ void i915_pmu_register(struct drm_i915_private *i915)
>>          hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
>>          pmu->timer.function = i915_sample;
>>   
>> -       if (!is_igp(i915))
>> +       if (!is_igp(i915)) {
>>                  pmu->name = kasprintf(GFP_KERNEL,
>>                                        "i915-%s",
>>                                        dev_name(i915->drm.dev));
>> -       else
>> +               if (pmu->name) {
> 
> /* tools/perf reserves colons as special. */
> strreplace(pmu->name, ':', '-');

I didn't know this exists, thanks.

> I worry because the err_idx pointed to the '-'. We may have to use _

What is err_idx? But yes.. it would had served me well to test before 
sending. :) I just find identifiers with a mix of underscores and dashes 
so visually unappealing. :(

Regards,

Tvrtko

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Re: [Intel-gfx] [PATCH] drm/i915/pmu: Do not use colon characters in PMU names

[Chris Wilson]

Quoting Tvrtko Ursulin (2020-01-10 11:27:55)
> 
> On 10/01/2020 11:21, Chris Wilson wrote:
> > Quoting Tvrtko Ursulin (2020-01-10 11:11:26)
> >> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> >>
> >> We use PCI device path in the registered PMU name in order to distinguish
> >> between multiple GPUs. But since tools/perf reserves a special meaning to
> >> the colon character we need to transliterate them to something else. We
> >> choose a dash.
> >>
> >> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> >> Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
> >> Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
> >> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> >> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> >> Cc: Andi Kleen <ak@linux.intel.com>
> >> ---
> >>   drivers/gpu/drm/i915/i915_pmu.c | 14 ++++++++++++--
> >>   1 file changed, 12 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> >> index f3ef6700a5f2..ecbd0e1f1a90 100644
> >> --- a/drivers/gpu/drm/i915/i915_pmu.c
> >> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> >> @@ -1117,12 +1117,22 @@ void i915_pmu_register(struct drm_i915_private *i915)
> >>          hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
> >>          pmu->timer.function = i915_sample;
> >>   
> >> -       if (!is_igp(i915))
> >> +       if (!is_igp(i915)) {
> >>                  pmu->name = kasprintf(GFP_KERNEL,
> >>                                        "i915-%s",
> >>                                        dev_name(i915->drm.dev));
> >> -       else
> >> +               if (pmu->name) {
> > 
> > /* tools/perf reserves colons as special. */
> > strreplace(pmu->name, ':', '-');
> 
> I didn't know this exists, thanks.
> 
> > I worry because the err_idx pointed to the '-'. We may have to use _
> 
> What is err_idx? But yes.. it would had served me well to test before 
> sending. :) I just find identifiers with a mix of underscores and dashes 
> so visually unappealing. :(

event syntax error: 'i915-0000:00:02.0/bcs0-busy/'
                         \___ parser error

The parser sets err_idx on the character it failed at, and the error
message includes it. So unless we lost whitespace in all the cutting and
pasting, that says it barfed at '-'
-Chris
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Re: [Intel-gfx] [PATCH] drm/i915/pmu: Do not use colon characters in PMU names

[Tvrtko Ursulin]

On 10/01/2020 11:32, Chris Wilson wrote:
> Quoting Tvrtko Ursulin (2020-01-10 11:27:55)
>>
>> On 10/01/2020 11:21, Chris Wilson wrote:
>>> Quoting Tvrtko Ursulin (2020-01-10 11:11:26)
>>>> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>>>
>>>> We use PCI device path in the registered PMU name in order to distinguish
>>>> between multiple GPUs. But since tools/perf reserves a special meaning to
>>>> the colon character we need to transliterate them to something else. We
>>>> choose a dash.
>>>>
>>>> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>>> Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
>>>> Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
>>>> Cc: Chris Wilson <chris@chris-wilson.co.uk>
>>>> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
>>>> Cc: Andi Kleen <ak@linux.intel.com>
>>>> ---
>>>>    drivers/gpu/drm/i915/i915_pmu.c | 14 ++++++++++++--
>>>>    1 file changed, 12 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
>>>> index f3ef6700a5f2..ecbd0e1f1a90 100644
>>>> --- a/drivers/gpu/drm/i915/i915_pmu.c
>>>> +++ b/drivers/gpu/drm/i915/i915_pmu.c
>>>> @@ -1117,12 +1117,22 @@ void i915_pmu_register(struct drm_i915_private *i915)
>>>>           hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
>>>>           pmu->timer.function = i915_sample;
>>>>    
>>>> -       if (!is_igp(i915))
>>>> +       if (!is_igp(i915)) {
>>>>                   pmu->name = kasprintf(GFP_KERNEL,
>>>>                                         "i915-%s",
>>>>                                         dev_name(i915->drm.dev));
>>>> -       else
>>>> +               if (pmu->name) {
>>>
>>> /* tools/perf reserves colons as special. */
>>> strreplace(pmu->name, ':', '-');
>>
>> I didn't know this exists, thanks.
>>
>>> I worry because the err_idx pointed to the '-'. We may have to use _
>>
>> What is err_idx? But yes.. it would had served me well to test before
>> sending. :) I just find identifiers with a mix of underscores and dashes
>> so visually unappealing. :(
> 
> event syntax error: 'i915-0000:00:02.0/bcs0-busy/'
>                           \___ parser error
> 
> The parser sets err_idx on the character it failed at, and the error
> message includes it. So unless we lost whitespace in all the cutting and
> pasting, that says it barfed at '-'

Oh right, interesting that it has no problem with a dash in event name. 
In v2 full event string is:

   i915_0000_00_02.0/vcs0-busy/

A bit ugly but seems to work.

Regards,

Tvrtko
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[Intel-gfx] [PATCH v2] drm/i915/pmu: Do not use colons or dashes in PMU names

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

We use PCI device path in the registered PMU name in order to distinguish
between multiple GPUs. But since tools/perf reserves a special meaning to
dash and colon characters we need to transliterate them to something else.
We choose an underscore.

v2:
 * Use strreplace. (Chris)
 * Dashes are not good either. (Chris)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_pmu.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index f3ef6700a5f2..28a82c849bac 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -1117,12 +1117,17 @@ void i915_pmu_register(struct drm_i915_private *i915)
 	hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	pmu->timer.function = i915_sample;
 
-	if (!is_igp(i915))
+	if (!is_igp(i915)) {
 		pmu->name = kasprintf(GFP_KERNEL,
-				      "i915-%s",
+				      "i915_%s",
 				      dev_name(i915->drm.dev));
-	else
+		if (pmu->name) {
+			/* tools/perf reserves colons as special. */
+			strreplace((char *)pmu->name, ':', '_');
+		}
+	} else {
 		pmu->name = "i915";
+	}
 	if (!pmu->name)
 		goto err;
 
-- 
2.20.1

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Re: [Intel-gfx] [PATCH v2] drm/i915/pmu: Do not use colons or dashes in PMU names

[Chris Wilson]

Quoting Tvrtko Ursulin (2020-01-10 11:32:53)
> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> 
> We use PCI device path in the registered PMU name in order to distinguish
> between multiple GPUs. But since tools/perf reserves a special meaning to
> dash and colon characters we need to transliterate them to something else.
> We choose an underscore.
> 
> v2:
>  * Use strreplace. (Chris)
>  * Dashes are not good either. (Chris)
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
> Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Andi Kleen <ak@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_pmu.c | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> index f3ef6700a5f2..28a82c849bac 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.c
> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> @@ -1117,12 +1117,17 @@ void i915_pmu_register(struct drm_i915_private *i915)
>         hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
>         pmu->timer.function = i915_sample;
>  
> -       if (!is_igp(i915))
> +       if (!is_igp(i915)) {
>                 pmu->name = kasprintf(GFP_KERNEL,
> -                                     "i915-%s",
> +                                     "i915_%s",
>                                       dev_name(i915->drm.dev));
> -       else
> +               if (pmu->name) {
> +                       /* tools/perf reserves colons as special. */
> +                       strreplace((char *)pmu->name, ':', '_');
> +               }
> +       } else {
>                 pmu->name = "i915";
> +       }
>         if (!pmu->name)
>                 goto err;

Sadly I have no nicer suggestion, so
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris
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[Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/pmu: Do not use colon characters in PMU names (rev2)

[Patchwork]

== Series Details ==

Series: drm/i915/pmu: Do not use colon characters in PMU names (rev2)
URL   : https://patchwork.freedesktop.org/series/71878/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_7718 -> Patchwork_16050
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/index.html

Known issues
------------

  Here are the changes found in Patchwork_16050 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_sync@basic-all:
    - fi-tgl-y:           [PASS][1] -> [INCOMPLETE][2] ([i915#470] / [i915#472])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-tgl-y/igt@gem_sync@basic-all.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-tgl-y/igt@gem_sync@basic-all.html

  * igt@i915_module_load@reload-with-fault-injection:
    - fi-cfl-8700k:       [PASS][3] -> [INCOMPLETE][4] ([i915#505])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-cfl-8700k/igt@i915_module_load@reload-with-fault-injection.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-cfl-8700k/igt@i915_module_load@reload-with-fault-injection.html

  * igt@i915_selftest@live_blt:
    - fi-ivb-3770:        [PASS][5] -> [DMESG-FAIL][6] ([i915#725])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-ivb-3770/igt@i915_selftest@live_blt.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-ivb-3770/igt@i915_selftest@live_blt.html
    - fi-hsw-peppy:       [PASS][7] -> [DMESG-FAIL][8] ([i915#725])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-hsw-peppy/igt@i915_selftest@live_blt.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-hsw-peppy/igt@i915_selftest@live_blt.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-kbl-7500u:       [PASS][9] -> [FAIL][10] ([fdo#111407])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html

  
#### Possible fixes ####

  * igt@gem_close_race@basic-threads:
    - fi-byt-j1900:       [TIMEOUT][11] ([i915#816]) -> [PASS][12]
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-byt-j1900/igt@gem_close_race@basic-threads.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-byt-j1900/igt@gem_close_race@basic-threads.html

  * {igt@gem_exec_basic@basic@bcs0}:
    - fi-byt-n2820:       [FAIL][13] ([i915#694]) -> [PASS][14]
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-byt-n2820/igt@gem_exec_basic@basic@bcs0.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-byt-n2820/igt@gem_exec_basic@basic@bcs0.html

  * {igt@gem_exec_basic@basic@vcs0}:
    - fi-byt-n2820:       [WARN][15] -> [PASS][16]
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-byt-n2820/igt@gem_exec_basic@basic@vcs0.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-byt-n2820/igt@gem_exec_basic@basic@vcs0.html

  * igt@i915_module_load@reload-with-fault-injection:
    - fi-kbl-x1275:       [INCOMPLETE][17] ([i915#879]) -> [PASS][18]
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-kbl-x1275/igt@i915_module_load@reload-with-fault-injection.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-kbl-x1275/igt@i915_module_load@reload-with-fault-injection.html

  * igt@i915_pm_rpm@module-reload:
    - fi-skl-6770hq:      [FAIL][19] ([i915#178]) -> [PASS][20]
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-skl-6770hq/igt@i915_pm_rpm@module-reload.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-skl-6770hq/igt@i915_pm_rpm@module-reload.html

  * igt@i915_selftest@live_blt:
    - fi-hsw-4770:        [DMESG-FAIL][21] ([i915#563]) -> [PASS][22]
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-hsw-4770/igt@i915_selftest@live_blt.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-hsw-4770/igt@i915_selftest@live_blt.html

  * igt@i915_selftest@live_gem_contexts:
    - fi-byt-n2820:       [DMESG-FAIL][23] ([i915#722]) -> [PASS][24]
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-byt-n2820/igt@i915_selftest@live_gem_contexts.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-byt-n2820/igt@i915_selftest@live_gem_contexts.html

  
#### Warnings ####

  * igt@i915_selftest@live_blt:
    - fi-hsw-4770r:       [DMESG-FAIL][25] ([i915#725]) -> [DMESG-FAIL][26] ([i915#553] / [i915#725])
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7718/fi-hsw-4770r/igt@i915_selftest@live_blt.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/fi-hsw-4770r/igt@i915_selftest@live_blt.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#111407]: https://bugs.freedesktop.org/show_bug.cgi?id=111407
  [i915#178]: https://gitlab.freedesktop.org/drm/intel/issues/178
  [i915#470]: https://gitlab.freedesktop.org/drm/intel/issues/470
  [i915#472]: https://gitlab.freedesktop.org/drm/intel/issues/472
  [i915#505]: https://gitlab.freedesktop.org/drm/intel/issues/505
  [i915#553]: https://gitlab.freedesktop.org/drm/intel/issues/553
  [i915#563]: https://gitlab.freedesktop.org/drm/intel/issues/563
  [i915#694]: https://gitlab.freedesktop.org/drm/intel/issues/694
  [i915#722]: https://gitlab.freedesktop.org/drm/intel/issues/722
  [i915#725]: https://gitlab.freedesktop.org/drm/intel/issues/725
  [i915#816]: https://gitlab.freedesktop.org/drm/intel/issues/816
  [i915#879]: https://gitlab.freedesktop.org/drm/intel/issues/879


Participating hosts (46 -> 46)
------------------------------

  Additional (5): fi-bdw-5557u fi-bsw-n3050 fi-gdg-551 fi-bsw-nick fi-snb-2600 
  Missing    (5): fi-ehl-1 fi-hsw-4200u fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper 


Build changes
-------------

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_7718 -> Patchwork_16050

  CI-20190529: 20190529
  CI_DRM_7718: 37be537ac03a8299982f5fd177418aef86fdcc9e @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5362: c2843f8e06a2cf7d372cd154310bf0e3b7722ab8 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_16050: e786004d5661f78f77d21490865953917990426f @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

e786004d5661 drm/i915/pmu: Do not use colons or dashes in PMU names

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16050/index.html
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