Re: [PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination with perf

Hi Peter, On 8/2/2018 5:39 AM, Peter Zijlstra wrote: > On Tue, Jul 31, 2018 at 12:38:27PM -0700, Reinette Chatre wrote: >> Dear Maintainers, >> >> The success of Cache Pseudo-Locking can be measured via the use of >> performance events. Specifically, the number of cache

Re: [PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination with perf

Hi Peter, On 8/2/2018 5:39 AM, Peter Zijlstra wrote: > On Tue, Jul 31, 2018 at 12:38:27PM -0700, Reinette Chatre wrote: >> Dear Maintainers, >> >> The success of Cache Pseudo-Locking can be measured via the use of >> performance events. Specifically, the number of cache

[PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination with perf

for all counters on the system is exposed and subsequently used by the cache pseudo-locking measurement code. Your feedback on this work will be greatly appreciated. Reinette Reinette Chatre (2): perf/x86: Expose PMC hardware reservation x86/intel_rdt: Coordinate performance monitoring with perf

[PATCH 0/2] x86/intel_rdt and perf/x86: Fix lack of coordination with perf

for all counters on the system is exposed and subsequently used by the cache pseudo-locking measurement code. Your feedback on this work will be greatly appreciated. Reinette Reinette Chatre (2): perf/x86: Expose PMC hardware reservation x86/intel_rdt: Coordinate performance monitoring with perf

[PATCH 1/2] perf/x86: Expose PMC hardware reservation

function (release_pmc_hardware()) are exported for users needing to coordinate use of PMC hardware. Signed-off-by: Reinette Chatre --- arch/x86/events/core.c | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 5f4829f10129

[PATCH 1/2] perf/x86: Expose PMC hardware reservation

function (release_pmc_hardware()) are exported for users needing to coordinate use of PMC hardware. Signed-off-by: Reinette Chatre --- arch/x86/events/core.c | 6 -- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 5f4829f10129

[PATCH 2/2] x86/intel_rdt: Coordinate performance monitoring with perf

. Internally this was already used by perf - the cache pseudo-locking debugging needs to use it also. Signed-off-by: Reinette Chatre --- Documentation/x86/intel_rdt_ui.txt | 4 arch/x86/kernel/cpu/intel_rdt.h | 2 ++ arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 8 3

[PATCH 2/2] x86/intel_rdt: Coordinate performance monitoring with perf

. Internally this was already used by perf - the cache pseudo-locking debugging needs to use it also. Signed-off-by: Reinette Chatre --- Documentation/x86/intel_rdt_ui.txt | 4 arch/x86/kernel/cpu/intel_rdt.h | 2 ++ arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 8 3

[RFC PATCH 1/7] x86/intel_rdt: Expose useful functions to all RDT code

In preparation for support of restoring pseudo-locked regions two functions are exposed to all RDT code: closid_alloc() and closid_allocated(). Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt.h | 2 ++ arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 4 ++-- 2 files changed

[RFC PATCH 1/7] x86/intel_rdt: Expose useful functions to all RDT code

In preparation for support of restoring pseudo-locked regions two functions are exposed to all RDT code: closid_alloc() and closid_allocated(). Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt.h | 2 ++ arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 4 ++-- 2 files changed

[RFC PATCH 0/7] x86/intel_rdt: Restoration of Cache Pseudo-Locked regions

sal would be greatly appreciated. Reinette Reinette Chatre (7): x86/intel_rdt: Expose useful functions to all RDT code x86/intel_rdt: Enable a pseudo-locked region to be restored x86/intel_rdt: Enable user to trigger pseudo-locked region restore x86/intel_rdt: Support restore of all pseudo-

[RFC PATCH 3/7] x86/intel_rdt: Enable user to trigger pseudo-locked region restore

Expose a new debugfs file that user can use to trigger the restoration of a specific Cache Pseudo-Locked region at any time. Signed-off-by: Reinette Chatre --- Documentation/x86/intel_rdt_ui.txt | 18 ++--- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 45 - 2

[RFC PATCH 2/7] x86/intel_rdt: Enable a pseudo-locked region to be restored

log buffer. Temporarily add the unused attribute to the function. It will be removed at the time the function is used. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 111 1 file changed, 111 insertions(+) diff --git a/arch/x86/kernel/cpu

[RFC PATCH 0/7] x86/intel_rdt: Restoration of Cache Pseudo-Locked regions

sal would be greatly appreciated. Reinette Reinette Chatre (7): x86/intel_rdt: Expose useful functions to all RDT code x86/intel_rdt: Enable a pseudo-locked region to be restored x86/intel_rdt: Enable user to trigger pseudo-locked region restore x86/intel_rdt: Support restore of all pseudo-

[RFC PATCH 3/7] x86/intel_rdt: Enable user to trigger pseudo-locked region restore

Expose a new debugfs file that user can use to trigger the restoration of a specific Cache Pseudo-Locked region at any time. Signed-off-by: Reinette Chatre --- Documentation/x86/intel_rdt_ui.txt | 18 ++--- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 45 - 2

[RFC PATCH 2/7] x86/intel_rdt: Enable a pseudo-locked region to be restored

log buffer. Temporarily add the unused attribute to the function. It will be removed at the time the function is used. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 111 1 file changed, 111 insertions(+) diff --git a/arch/x86/kernel/cpu

[RFC PATCH 5/7] x86/intel_rdt: Trigger pseudo-lock restore after wbinvd call

the instruction itself is modified to trigger pseudo-locked region restoration after the instruction is run. As they are moved the assembly calls of the wbinvd instructions are modified to address the checkpatch complaint of required spaces around the ':'. Suggested-by: Dave Hansen Signed-off-by: Reinette

[RFC PATCH 4/7] x86/intel_rdt: Support restore of all pseudo-locked regions

-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 42 + 1 file changed, 42 insertions(+) diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c index 246cff17ce66..d395e6982467 100644 --- a/arch/x86/kernel

[RFC PATCH 5/7] x86/intel_rdt: Trigger pseudo-lock restore after wbinvd call

the instruction itself is modified to trigger pseudo-locked region restoration after the instruction is run. As they are moved the assembly calls of the wbinvd instructions are modified to address the checkpatch complaint of required spaces around the ':'. Suggested-by: Dave Hansen Signed-off-by: Reinette

[RFC PATCH 4/7] x86/intel_rdt: Support restore of all pseudo-locked regions

-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 42 + 1 file changed, 42 insertions(+) diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c index 246cff17ce66..d395e6982467 100644 --- a/arch/x86/kernel

[RFC PATCH 6/7] mtd: replace direct wbinvd invoke with kernel api

a central location where calls to this destructive instruction can be tracked and potentially acted on. Signed-off-by: Reinette Chatre --- drivers/mtd/maps/nettel.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c index 729579

[RFC PATCH 6/7] mtd: replace direct wbinvd invoke with kernel api

a central location where calls to this destructive instruction can be tracked and potentially acted on. Signed-off-by: Reinette Chatre --- drivers/mtd/maps/nettel.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c index 729579

[RFC PATCH 7/7] video: fbdev: i810: replace direct wbinvd invoke with kernel api

provides a central location where calls to this destructive instruction can be tracked and potentially acted on. Signed-off-by: Reinette Chatre --- drivers/video/fbdev/i810/i810_main.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/i810/i810_main.h b/drivers/v

[RFC PATCH 7/7] video: fbdev: i810: replace direct wbinvd invoke with kernel api

provides a central location where calls to this destructive instruction can be tracked and potentially acted on. Signed-off-by: Reinette Chatre --- drivers/video/fbdev/i810/i810_main.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/i810/i810_main.h b/drivers/v

[tip:x86/cache] x86/intel_rdt: Fix possible circular lock dependency

Commit-ID: 2989360d9c6669d8ae64edc933088e640481b48b Gitweb: https://git.kernel.org/tip/2989360d9c6669d8ae64edc933088e640481b48b Author: Reinette Chatre AuthorDate: Wed, 11 Jul 2018 13:06:07 -0700 Committer: Thomas Gleixner CommitDate: Thu, 12 Jul 2018 21:33:43 +0200 x86/intel_rdt: Fix

[tip:x86/cache] x86/intel_rdt: Fix possible circular lock dependency

Commit-ID: 2989360d9c6669d8ae64edc933088e640481b48b Gitweb: https://git.kernel.org/tip/2989360d9c6669d8ae64edc933088e640481b48b Author: Reinette Chatre AuthorDate: Wed, 11 Jul 2018 13:06:07 -0700 Committer: Thomas Gleixner CommitDate: Thu, 12 Jul 2018 21:33:43 +0200 x86/intel_rdt: Fix

[PATCH] x86/intel_rdt: Fix possible circular lock dependency

rea to avoid the same circular dependency. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 29 ++--- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c

[PATCH] x86/intel_rdt: Fix possible circular lock dependency

rea to avoid the same circular dependency. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 29 ++--- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c

[tip:x86/cache] x86/intel_rdt: Make CPU information accessible for pseudo-locked regions

Commit-ID: 33dc3e410a0d99f394905143b26d34f1fd64c962 Gitweb: https://git.kernel.org/tip/33dc3e410a0d99f394905143b26d34f1fd64c962 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:17:33 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:40 +0200 x86/intel_rdt: Make

[tip:x86/cache] x86/intel_rdt: Make CPU information accessible for pseudo-locked regions

Commit-ID: 33dc3e410a0d99f394905143b26d34f1fd64c962 Gitweb: https://git.kernel.org/tip/33dc3e410a0d99f394905143b26d34f1fd64c962 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:17:33 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:40 +0200 x86/intel_rdt: Make

[tip:x86/cache] x86/intel_rdt: Support restoration of subset of permissions

Commit-ID: 392487def48e4b596526a4a8c2c2ec4cfe73bf13 Gitweb: https://git.kernel.org/tip/392487def48e4b596526a4a8c2c2ec4cfe73bf13 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:17:32 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:40 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support restoration of subset of permissions

Commit-ID: 392487def48e4b596526a4a8c2c2ec4cfe73bf13 Gitweb: https://git.kernel.org/tip/392487def48e4b596526a4a8c2c2ec4cfe73bf13 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:17:32 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:40 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Fix cleanup of plr structure on error

Commit-ID: 546d3c74277398a3d76d059bd2db47186bb47fc8 Gitweb: https://git.kernel.org/tip/546d3c74277398a3d76d059bd2db47186bb47fc8 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:03:03 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:39 +0200 x86/intel_rdt: Fix

[tip:x86/cache] x86/intel_rdt: Move pseudo_lock_region_clear()

Commit-ID: ce730f1cc1255be152c879a2bc5f295d341d8036 Gitweb: https://git.kernel.org/tip/ce730f1cc1255be152c879a2bc5f295d341d8036 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:03:02 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:39 +0200 x86/intel_rdt: Move

[tip:x86/cache] x86/intel_rdt: Fix cleanup of plr structure on error

Commit-ID: 546d3c74277398a3d76d059bd2db47186bb47fc8 Gitweb: https://git.kernel.org/tip/546d3c74277398a3d76d059bd2db47186bb47fc8 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:03:03 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:39 +0200 x86/intel_rdt: Fix

[tip:x86/cache] x86/intel_rdt: Move pseudo_lock_region_clear()

Commit-ID: ce730f1cc1255be152c879a2bc5f295d341d8036 Gitweb: https://git.kernel.org/tip/ce730f1cc1255be152c879a2bc5f295d341d8036 Author: Reinette Chatre AuthorDate: Sat, 30 Jun 2018 22:03:02 -0700 Committer: Thomas Gleixner CommitDate: Tue, 3 Jul 2018 08:38:39 +0200 x86/intel_rdt: Move

[PATCH 2/2] x86/intel_rdt: cpu information accessible for pseudo-locked regions

rt reading (not writing). The information presented to the user when reading the file are the cpus associated with the pseudo-locked region. Signed-off-by: Reinette Chatre --- Documentation/x86/intel_rdt_ui.txt | 3 +++ arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 3 +++ arch/x86/

[PATCH 0/2] x86/intel_rdt: Display CPUs associated with pseudo-locked region

mata:L2:1=3 p1/size:L2:1=262144 grep: p1/tasks: Permission denied Reinette Chatre (2): x86/intel_rdt: Support restoration of subset of permissions x86/intel_rdt: cpu information accessible for pseudo-locked regions Documentation/x86/intel_rdt_ui.txt | 3 +++ arch/x86/kernel/cpu/in

[PATCH 2/2] x86/intel_rdt: cpu information accessible for pseudo-locked regions

rt reading (not writing). The information presented to the user when reading the file are the cpus associated with the pseudo-locked region. Signed-off-by: Reinette Chatre --- Documentation/x86/intel_rdt_ui.txt | 3 +++ arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 3 +++ arch/x86/

[PATCH 0/2] x86/intel_rdt: Display CPUs associated with pseudo-locked region

mata:L2:1=3 p1/size:L2:1=262144 grep: p1/tasks: Permission denied Reinette Chatre (2): x86/intel_rdt: Support restoration of subset of permissions x86/intel_rdt: cpu information accessible for pseudo-locked regions Documentation/x86/intel_rdt_ui.txt | 3 +++ arch/x86/kernel/cpu/in

[PATCH 1/2] x86/intel_rdt: Support restoration of subset of permissions

a resource group. In this preparation work the original behavior is maintained where all permissions are restored. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt.h | 3 ++- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 14 +++--- arch/x86/kernel/cpu/intel_rdt_

[PATCH 1/2] x86/intel_rdt: Support restoration of subset of permissions

a resource group. In this preparation work the original behavior is maintained where all permissions are restored. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt.h | 3 ++- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 14 +++--- arch/x86/kernel/cpu/intel_rdt_

[PATCH 1/2] x86/intel_rdt: Move pseudo_lock_region_clear

The pseudo_lock_region_clear() function is moved to earlier in the file in preparation for its use in functions that currently appear before it. No functional change. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 46 ++--- 1 file changed, 23

[PATCH 1/2] x86/intel_rdt: Move pseudo_lock_region_clear

The pseudo_lock_region_clear() function is moved to earlier in the file in preparation for its use in functions that currently appear before it. No functional change. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 46 ++--- 1 file changed, 23

[PATCH 0/2] x86/intel_rdt: Fix cache pseudo-locking error path cleanup

' > p1/schemata # cat info/L3/bit_usage 0=XXSS;1=XXSSSSSS000P Reinette Chatre (2): x86/intel_rdt: Move pseudo_lock_region_clear x86/intel_rdt: Fix cleanup of plr structure on error arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 68 - 1 file chang

[PATCH 0/2] x86/intel_rdt: Fix cache pseudo-locking error path cleanup

' > p1/schemata # cat info/L3/bit_usage 0=XXSS;1=XXSSSSSS000P Reinette Chatre (2): x86/intel_rdt: Move pseudo_lock_region_clear x86/intel_rdt: Fix cleanup of plr structure on error arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 68 - 1 file chang

[PATCH 2/2] x86/intel_rdt: Fix cleanup of plr structure on error

that the pseudo_lock_region struct is cleared at each error exit. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 22 - 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu

[PATCH 2/2] x86/intel_rdt: Fix cleanup of plr structure on error

that the pseudo_lock_region struct is cleared at each error exit. Signed-off-by: Reinette Chatre --- arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 22 - 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu

Re: [PATCH V7 00/41] Intel(R) Resource Director Technology Cache Pseudo-Locking enabling

Hi Thomas, On 6/23/2018 5:16 AM, Thomas Gleixner wrote: > On Fri, 22 Jun 2018, Reinette Chatre wrote: >> The Cache Pseudo-Locking enabling series that was recently merged to the >> x86/cache branch of tip was found to conflict with the new kernfs support >> for mou

Re: [PATCH V7 00/41] Intel(R) Resource Director Technology Cache Pseudo-Locking enabling

Hi Thomas, On 6/23/2018 5:16 AM, Thomas Gleixner wrote: > On Fri, 22 Jun 2018, Reinette Chatre wrote: >> The Cache Pseudo-Locking enabling series that was recently merged to the >> x86/cache branch of tip was found to conflict with the new kernfs support >> for mou

[tip:x86/cache] x86/intel_rdt: Limit C-states dynamically when pseudo-locking active

Commit-ID: 6fc0de37f663278af160e8e1f0c38b27e6c06206 Gitweb: https://git.kernel.org/tip/6fc0de37f663278af160e8e1f0c38b27e6c06206 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:30 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Limit C-states dynamically when pseudo-locking active

Commit-ID: 6fc0de37f663278af160e8e1f0c38b27e6c06206 Gitweb: https://git.kernel.org/tip/6fc0de37f663278af160e8e1f0c38b27e6c06206 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:30 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support L3 cache performance event of Broadwell

Commit-ID: f3be1e7b2cf8bc096386a3588fc640b0db6b28d7 Gitweb: https://git.kernel.org/tip/f3be1e7b2cf8bc096386a3588fc640b0db6b28d7 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:29 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support L3 cache performance event of Broadwell

Commit-ID: f3be1e7b2cf8bc096386a3588fc640b0db6b28d7 Gitweb: https://git.kernel.org/tip/f3be1e7b2cf8bc096386a3588fc640b0db6b28d7 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:29 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: More precise L2 hit/miss measurements

Commit-ID: 8a2fc0e1bc0cd85610192714d7c370b62188 Gitweb: https://git.kernel.org/tip/8a2fc0e1bc0cd85610192714d7c370b62188 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:28 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: More precise L2 hit/miss measurements

Commit-ID: 8a2fc0e1bc0cd85610192714d7c370b62188 Gitweb: https://git.kernel.org/tip/8a2fc0e1bc0cd85610192714d7c370b62188 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:28 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create character device exposing pseudo-locked region

Commit-ID: 746e08590b864cf730d7bd23394e2d3fbb0f22b6 Gitweb: https://git.kernel.org/tip/746e08590b864cf730d7bd23394e2d3fbb0f22b6 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:27 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create character device exposing pseudo-locked region

Commit-ID: 746e08590b864cf730d7bd23394e2d3fbb0f22b6 Gitweb: https://git.kernel.org/tip/746e08590b864cf730d7bd23394e2d3fbb0f22b6 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:27 -0700 Committer: Thomas Gleixner CommitDate: Sun, 24 Jun 2018 15:35:48 +0200 x86/intel_rdt

Re: [PATCH V7 00/41] Intel(R) Resource Director Technology Cache Pseudo-Locking enabling

Hi Thomas, On 6/23/2018 5:16 AM, Thomas Gleixner wrote: > On Fri, 22 Jun 2018, Reinette Chatre wrote: >> The Cache Pseudo-Locking enabling series that was recently merged to the >> x86/cache branch of tip was found to conflict with the new kernfs support >> for mou

Re: [PATCH V7 00/41] Intel(R) Resource Director Technology Cache Pseudo-Locking enabling

Hi Thomas, On 6/23/2018 5:16 AM, Thomas Gleixner wrote: > On Fri, 22 Jun 2018, Reinette Chatre wrote: >> The Cache Pseudo-Locking enabling series that was recently merged to the >> x86/cache branch of tip was found to conflict with the new kernfs support >> for mou

Re: [PATCH V7 35/41] x86/intel_rdt: Create debugfs files for pseudo-locking testing

> help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Reinette-Chatre/Intel-R-Resource-Director-Technology-Cache-Pseudo-Locking-enabling/20180623-065548 > config: x86_64-randconfig-r0-06231921 (attached as .config) > compiler: gcc-6 (Debian 6.

Re: [PATCH V7 35/41] x86/intel_rdt: Create debugfs files for pseudo-locking testing

> help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Reinette-Chatre/Intel-R-Resource-Director-Technology-Cache-Pseudo-Locking-enabling/20180623-065548 > config: x86_64-randconfig-r0-06231921 (attached as .config) > compiler: gcc-6 (Debian 6.

[tip:x86/cache] x86/intel_rdt: Support L3 cache performance event of Broadwell

Commit-ID: 5c3968994582c1265cdb81884533371cbe868a93 Gitweb: https://git.kernel.org/tip/5c3968994582c1265cdb81884533371cbe868a93 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:29 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:52 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support L3 cache performance event of Broadwell

Commit-ID: 5c3968994582c1265cdb81884533371cbe868a93 Gitweb: https://git.kernel.org/tip/5c3968994582c1265cdb81884533371cbe868a93 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:29 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:52 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Limit C-states dynamically when pseudo-locking active

Commit-ID: 8b0d3ba3140f8ed7563b2e0788bc595e25fee808 Gitweb: https://git.kernel.org/tip/8b0d3ba3140f8ed7563b2e0788bc595e25fee808 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:30 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:52 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Limit C-states dynamically when pseudo-locking active

Commit-ID: 8b0d3ba3140f8ed7563b2e0788bc595e25fee808 Gitweb: https://git.kernel.org/tip/8b0d3ba3140f8ed7563b2e0788bc595e25fee808 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:30 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:52 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: More precise L2 hit/miss measurements

Commit-ID: 7ef28739c453bb77dd2dc7a5ddcb534e488e0826 Gitweb: https://git.kernel.org/tip/7ef28739c453bb77dd2dc7a5ddcb534e488e0826 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:28 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:52 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: More precise L2 hit/miss measurements

Commit-ID: 7ef28739c453bb77dd2dc7a5ddcb534e488e0826 Gitweb: https://git.kernel.org/tip/7ef28739c453bb77dd2dc7a5ddcb534e488e0826 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:28 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:52 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create character device exposing pseudo-locked region

Commit-ID: 1c3fd056db38a5411ec06ef7ae52067408dee7fa Gitweb: https://git.kernel.org/tip/1c3fd056db38a5411ec06ef7ae52067408dee7fa Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:27 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:51 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create character device exposing pseudo-locked region

Commit-ID: 1c3fd056db38a5411ec06ef7ae52067408dee7fa Gitweb: https://git.kernel.org/tip/1c3fd056db38a5411ec06ef7ae52067408dee7fa Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:27 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:51 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create debugfs files for pseudo-locking testing

Commit-ID: 443810fe6160542c78e24c66047edd7a3cc830c6 Gitweb: https://git.kernel.org/tip/443810fe6160542c78e24c66047edd7a3cc830c6 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:26 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:51 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create debugfs files for pseudo-locking testing

Commit-ID: 443810fe6160542c78e24c66047edd7a3cc830c6 Gitweb: https://git.kernel.org/tip/443810fe6160542c78e24c66047edd7a3cc830c6 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:26 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:51 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create resctrl debug area

Commit-ID: 37707ec6cba6668f22a47016fdee612b0ff62fe9 Gitweb: https://git.kernel.org/tip/37707ec6cba6668f22a47016fdee612b0ff62fe9 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:25 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:51 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Create resctrl debug area

Commit-ID: 37707ec6cba6668f22a47016fdee612b0ff62fe9 Gitweb: https://git.kernel.org/tip/37707ec6cba6668f22a47016fdee612b0ff62fe9 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:25 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:51 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Ensure RDT cleanup on exit

Commit-ID: 0af6a48da481109affc4ea8295034f69993a91ef Gitweb: https://git.kernel.org/tip/0af6a48da481109affc4ea8295034f69993a91ef Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:24 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:50 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Ensure RDT cleanup on exit

Commit-ID: 0af6a48da481109affc4ea8295034f69993a91ef Gitweb: https://git.kernel.org/tip/0af6a48da481109affc4ea8295034f69993a91ef Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:24 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:50 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Resctrl files reflect pseudo-locked information

Commit-ID: f4e80d67a527469245f391976d8665f934a16205 Gitweb: https://git.kernel.org/tip/f4e80d67a527469245f391976d8665f934a16205 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:23 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:50 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Resctrl files reflect pseudo-locked information

Commit-ID: f4e80d67a527469245f391976d8665f934a16205 Gitweb: https://git.kernel.org/tip/f4e80d67a527469245f391976d8665f934a16205 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:23 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:50 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support creation/removal of pseudo-locked region

Commit-ID: e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 Gitweb: https://git.kernel.org/tip/e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:22 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:50 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support creation/removal of pseudo-locked region

Commit-ID: e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 Gitweb: https://git.kernel.org/tip/e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:22 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:50 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Pseudo-lock region creation/removal core

Commit-ID: 018961ae5579016d46ee03587c0ecf673821eedb Gitweb: https://git.kernel.org/tip/018961ae5579016d46ee03587c0ecf673821eedb Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:21 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:49 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Pseudo-lock region creation/removal core

Commit-ID: 018961ae5579016d46ee03587c0ecf673821eedb Gitweb: https://git.kernel.org/tip/018961ae5579016d46ee03587c0ecf673821eedb Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:21 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:49 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Discover supported platforms via prefetch disable bits

Commit-ID: f2a177292bd052ce12ac453d2ceeb083fe07718a Gitweb: https://git.kernel.org/tip/f2a177292bd052ce12ac453d2ceeb083fe07718a Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:20 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:49 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Discover supported platforms via prefetch disable bits

Commit-ID: f2a177292bd052ce12ac453d2ceeb083fe07718a Gitweb: https://git.kernel.org/tip/f2a177292bd052ce12ac453d2ceeb083fe07718a Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:20 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:49 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Add utilities to test pseudo-locked region possibility

Commit-ID: 72d505056604a305a4fcd8b268d2f6e979e17023 Gitweb: https://git.kernel.org/tip/72d505056604a305a4fcd8b268d2f6e979e17023 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:19 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:49 +0200 x86/intel_rdt: Add

[tip:x86/cache] x86/intel_rdt: Split resource group removal in two

Commit-ID: 17eafd076291ed23eeb17b28132fa33b0688bc57 Gitweb: https://git.kernel.org/tip/17eafd076291ed23eeb17b28132fa33b0688bc57 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:18 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Add utilities to test pseudo-locked region possibility

Commit-ID: 72d505056604a305a4fcd8b268d2f6e979e17023 Gitweb: https://git.kernel.org/tip/72d505056604a305a4fcd8b268d2f6e979e17023 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:19 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:49 +0200 x86/intel_rdt: Add

[tip:x86/cache] x86/intel_rdt: Split resource group removal in two

Commit-ID: 17eafd076291ed23eeb17b28132fa33b0688bc57 Gitweb: https://git.kernel.org/tip/17eafd076291ed23eeb17b28132fa33b0688bc57 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:18 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support enter/exit of locksetup mode

Commit-ID: 63657c1cdf89a37d3b69471ad4e5b55c77e86d3f Gitweb: https://git.kernel.org/tip/63657c1cdf89a37d3b69471ad4e5b55c77e86d3f Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:16 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:47 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Support enter/exit of locksetup mode

Commit-ID: 63657c1cdf89a37d3b69471ad4e5b55c77e86d3f Gitweb: https://git.kernel.org/tip/63657c1cdf89a37d3b69471ad4e5b55c77e86d3f Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:16 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:47 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Enable entering of pseudo-locksetup mode

Commit-ID: dfe9674b04ff6b819f9105650a008d164d81725e Gitweb: https://git.kernel.org/tip/dfe9674b04ff6b819f9105650a008d164d81725e Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:17 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Enable entering of pseudo-locksetup mode

Commit-ID: dfe9674b04ff6b819f9105650a008d164d81725e Gitweb: https://git.kernel.org/tip/dfe9674b04ff6b819f9105650a008d164d81725e Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:17 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:48 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Introduce pseudo-locked region

Commit-ID: e8140a2d13d429364f18ca41b1e4960708c3a40e Gitweb: https://git.kernel.org/tip/e8140a2d13d429364f18ca41b1e4960708c3a40e Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:15 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:47 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Introduce pseudo-locked region

Commit-ID: e8140a2d13d429364f18ca41b1e4960708c3a40e Gitweb: https://git.kernel.org/tip/e8140a2d13d429364f18ca41b1e4960708c3a40e Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:15 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:47 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Add check to determine if monitoring in progress

Commit-ID: bbcee99b67c5a8cc4e8037d561be9ed293961fd3 Gitweb: https://git.kernel.org/tip/bbcee99b67c5a8cc4e8037d561be9ed293961fd3 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:14 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:47 +0200 x86/intel_rdt: Add

[tip:x86/cache] x86/intel_rdt: Add check to determine if monitoring in progress

Commit-ID: bbcee99b67c5a8cc4e8037d561be9ed293961fd3 Gitweb: https://git.kernel.org/tip/bbcee99b67c5a8cc4e8037d561be9ed293961fd3 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:14 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:47 +0200 x86/intel_rdt: Add

[tip:x86/cache] x86/intel_rdt: Protect against resource group changes during locking

Commit-ID: c966dac8a5ede5d5f9b730512d8bdbcec307fe38 Gitweb: https://git.kernel.org/tip/c966dac8a5ede5d5f9b730512d8bdbcec307fe38 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:12 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:46 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Protect against resource group changes during locking

Commit-ID: c966dac8a5ede5d5f9b730512d8bdbcec307fe38 Gitweb: https://git.kernel.org/tip/c966dac8a5ede5d5f9b730512d8bdbcec307fe38 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:12 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:46 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Utilities to restrict/restore access to specific files

Commit-ID: 2a5d76a4fc6469ea9dd6f02fcd4dad3a129bc1c0 Gitweb: https://git.kernel.org/tip/2a5d76a4fc6469ea9dd6f02fcd4dad3a129bc1c0 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:13 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:46 +0200 x86/intel_rdt

[tip:x86/cache] x86/intel_rdt: Utilities to restrict/restore access to specific files

Commit-ID: 2a5d76a4fc6469ea9dd6f02fcd4dad3a129bc1c0 Gitweb: https://git.kernel.org/tip/2a5d76a4fc6469ea9dd6f02fcd4dad3a129bc1c0 Author: Reinette Chatre AuthorDate: Fri, 22 Jun 2018 15:42:13 -0700 Committer: Thomas Gleixner CommitDate: Sat, 23 Jun 2018 13:03:46 +0200 x86/intel_rdt

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