From: Vikas Shivappa <vikas.shivappa@linux.intel.com>
To: vikas.shivappa@intel.com
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, hpa@zytor.com,
tglx@linutronix.de, vikas.shivappa@linux.intel.com,
mingo@kernel.org, peterz@infradead.org, ravi.v.shankar@intel.com,
tony.luck@intel.com, fenghua.yu@intel.com,
kanaka.d.juvva@intel.com, h.peter.anvin@intel.com
Subject: [PATCH V4 0/5] x86/mbm : Intel Memory Bandwidth monitoring support
Date: Wed, 10 Feb 2016 17:07:48 -0800 [thread overview]
Message-ID: <1455152873-30467-1-git-send-email-vikas.shivappa@linux.intel.com> (raw)
The V4 version of MBM is almost a complete rewrite of the prior
versions. It tries to address all of Thomas earlier
comments.
The patch series has one preparatory patch for cqm and then 4 MBM
patches. *Patches apply on 4.5-rc1*.
Memory bandwitdh monitoring(MBM) provides OS/VMM a way to monitor
bandwidth from one level of cache to another. The current patches
support L3 external bandwitch monitoring.
It supports both 'local bandwidth' and 'total bandwidth' monitoring for
the socket. Local bandwidth measures the amount of data sent through
the memory controller on the socket and total b/w measures the total
system bandwidth.
The tasks are associated with a Resouce Monitoring ID(RMID) just like in
cqm and OS uses a MSR write to indicate the RMID of the task during
scheduling.
[PATCH 1/5] x86,perf/cqm : Fix cqm handling of grouping events into a
[PATCH 2/5] x86/mbm: Intel Memory B/W Monitoring enumeration and init
[PATCH 3/5] x86/mbm: Memory bandwidth monitoring event management
[PATCH 4/5] x86/mbm: RMID Recycling MBM changes
[PATCH 5/5] x86/mbm: Add support for MBM counter overflow handling
next reply other threads:[~2016-02-11 1:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-11 1:07 Vikas Shivappa [this message]
2016-02-11 1:07 ` [PATCH 1/5] x86,perf/cqm : Fix cqm handling of grouping events into a cache_group Vikas Shivappa
2016-02-11 1:07 ` [PATCH 2/5] x86/mbm: Intel Memory B/W Monitoring enumeration and init Vikas Shivappa
2016-02-24 10:22 ` Thomas Gleixner
2016-02-24 18:12 ` Vikas Shivappa
2016-02-24 19:21 ` Thomas Gleixner
2016-02-24 20:05 ` Vikas Shivappa
2016-02-11 1:07 ` [PATCH 3/5] x86/mbm: Memory bandwidth monitoring event management Vikas Shivappa
2016-02-11 1:07 ` [PATCH 4/5] x86/mbm: RMID Recycling MBM changes Vikas Shivappa
2016-02-11 1:07 ` [PATCH 5/5] x86/mbm: Add support for MBM counter overflow handling Vikas Shivappa
2016-02-24 10:36 ` Thomas Gleixner
2016-02-24 18:13 ` Vikas Shivappa
2016-02-24 19:21 ` Thomas Gleixner
2016-02-17 18:52 ` [PATCH V4 0/5] x86/mbm : Intel Memory Bandwidth monitoring support Vikas Shivappa
2016-02-17 19:11 ` Thomas Gleixner
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