[PATCH] perf stat: fix case where guest/host monitoring is not supported by kernel

By default, perf stat sets exclude_guest = 1. But when you run perf on a kernel which does not support host/guest filtering, then you get an error saying the event in unsupported. This comes from the fact that when the perf_event_attr struct passed ...

Message posted on the April 27th, 2012 - 8:50 AM ET

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Press published on the April 11th, 2011 - 6:00 AM ET

[PATCH] perf stat: fix scale option

The scale option defaults to true and the command line option only allows it to be set to true. ie. the option is a no-op. Changes the scale option to no_scale to maintain current default of scaling enabled; no_scale set to true then disables ...

Message posted on the January 9th, 2011 - 1:00 PM ET

[PATCH V7 0/8] ptp: IEEE 1588 hardware clock support

Here comes PTP Hardware Clock (PHC) support, version 7, and hopefully everyone will like it. The first four patches provide infrastructure supporting dynamic POSIX clock devices. This new code will be useful for other kinds of new clocks, not just ...

Message posted on the December 16th, 2010 - 10:50 AM ET

[PATCH v4 00/11] memcg: per cgroup dirty page accounting

Changes since v3: - Refactored balance_dirty_pages() dirtying checking to use new struct dirty_info, which is used to compare both system and memcg dirty limits against usage. - Disabled memcg dirty limits when memory.use_hierarchy=1. An ...

Message posted on the October 29th, 2010 - 3:20 AM ET

[PATCH RFC 0/3] Add guest cpu_entitlement reporting

This is an RFC regarding the reporting of stealtime. In the case of where you have a system that is running with partial processors such as KVM the user may see steal time being reported in accounting tools such as top or vmstat. This can cause ...

Message posted on the August 23rd, 2012 - 7:20 PM ET

[PATCH v2 00/11] memcg: per cgroup dirty page accounting

Changes since V1: - Renamed "nfs"/"total_nfs" to "nfs_unstable"/"total_nfs_unstable" in per cgroup memory.stat to match /proc/meminfo. - Avoid lockdep warnings by using rcu_read_[un]lock() in ...

Message posted on the October 15th, 2010 - 5:20 PM ET

[PATCH v3 00/11] memcg: per cgroup dirty page accounting

Changes since v2: - Rather than disabling softirq in lock_page_cgroup(), introduce a separate lock to synchronize between memcg page accounting and migration. This only affects patch 4 of the series. Patch 4 used to disable softirq, now it ...

Message posted on the October 18th, 2010 - 8:50 PM ET

[RFC] [PATCH v5 0/3] fadvise: support POSIX_FADV_NOREUSE

There were some reported problems in the past about trashing page cache when a backup software (i.e., rsync) touches a huge amount of pages (see for example [1]). This problem was mitigated by the Minchan's patch [2] and a proper use of fadvise() ...

Message posted on the February 11th, 2012 - 7:30 PM ET

[PATCH V6 0/13] perf: Intel uncore pmu counting support

Hi, all Here is the V6 patches to add uncore counting support for Nehalem, Sandy Bridge and Sandy Bridge-EP, applied on top of current tip. The code is based on Lin Ming's old patches. For Nehalem and Sandy Bridge-EP, A few general events are ...

Message posted on the June 15th, 2012 - 2:40 AM ET

[PATCH V5 0/13] perf: Intel uncore pmu counting support

Hi, all Here is the V5 patches to add uncore counting support for Nehalem, Sandy Bridge and Sandy Bridge-EP, applied on top of current tip. The code is based on Lin Ming's old patches. For Nehalem and Sandy Bridge-EP, A few general events are ...

Message posted on the June 12th, 2012 - 1:50 AM ET

[PATCH 0/9 v2] perf: consolidate all the open counters loops

This patch set consolidates all of the open counters loops into a single common one. Rebased to latest perf/core. Added more hooks to ui stubs file. David Ahern (9): perf python: add ui stubs file perf top: make use of perf_record_opts perf ...

Message posted on the October 29th, 2012 - 11:40 AM ET

[PATCH 0/7] perf tools: Fix cpu/thread map handling v3

Hi, Arnaldo This is my third iteration on the series and some patches in the previous set got merged to your tree. You can see the discussion on the previous spin at links below: [1], [2] The current behaviour of perf tools dealing with PID/TID, ...

Message posted on the May 7th, 2012 - 1:20 AM ET

[PATCH 0/9] KVM: Make the instruction emulator aware of Nested Virtualization

Hi Avi, Hi Marcelo, here is a patch-set to make the instruction emulator aware of nested virtualization. It basically works by introducing a new callback into the x86_ops to check if a decoded instruction must be intercepted. If it is intercepted ...

Message posted on the November 24th, 2010 - 1:30 PM ET

patch set stat