Performance Counters - revision history

Dank at 03:14, 23 September 2019

2019-09-23T03:14:37Z

← Older revision		Revision as of 03:14, 23 September 2019
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	* This is the preferred way we get at [[x86 timing\|TSC]] (TSC has fallen out of favor, though)		* This is the preferred way we get at [[x86 timing\|TSC]] (TSC has fallen out of favor, though)
	* Collectors include [[oprofile]] and [[perf]].		* Collectors include [[oprofile]] and [[perf]].
	{\| border="1"
			{\| border="1" class="wikitable"
	! Counter		! Counter
	! Introduced		! Introduced

Dank at 23:53, 25 March 2010

2010-03-25T23:53:39Z

← Older revision		Revision as of 23:53, 25 March 2010
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	\|-		\|-
	\|}		\|}
			[[Category: X86]]
			[[Category: Hardware]]

Dank at 01:01, 17 March 2010

2010-03-17T01:01:10Z

← Older revision		Revision as of 01:01, 17 March 2010
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	\| MACHINE_CLEARS.ASSIST_FUSION		\| MACHINE_CLEARS.ASSIST_FUSION
	\| Core i7		\| Core i7
	\| Number of macro-~~fused ops retired~~		\| Number of macro-fusions performed
	\|-		\|-
	\| LSD.UOPS		\| LSD.UOPS

Dank at 01:00, 17 March 2010

2010-03-17T01:00:46Z

← Older revision		Revision as of 01:00, 17 March 2010
Line 5:		Line 5:
	* This is the preferred way we get at [[x86 timing\|TSC]] (TSC has fallen out of favor, though)		* This is the preferred way we get at [[x86 timing\|TSC]] (TSC has fallen out of favor, though)
	* Collectors include [[oprofile]] and [[perf]].		* Collectors include [[oprofile]] and [[perf]].
			{\| border="1"
			! Counter
			! Introduced
			! Description
			\|-
			\| MACHINE_CLEARS.ASSIST_FUSION
			\| Core i7
			\| Number of macro-fused ops retired
			\|-
			\| LSD.UOPS
			\| Core i7
			\| Number of μops delivered by the [[daytripper\|Loop Stream Decoder]]
			\|-
			\|}

Dank at 10:17, 19 September 2009

2009-09-19T10:17:39Z

← Older revision		Revision as of 10:17, 19 September 2009
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	* RDPMC instruction: http://www.x86.org/secrets/opcodes/rdpmc.htm		* RDPMC instruction: http://www.x86.org/secrets/opcodes/rdpmc.htm
	* FreeBSD includes libpmc as part of the base system		* FreeBSD includes libpmc as part of the base system
	* On Linux, we have [http://perfmon2.sourceforge.net/ libpfm]		* On Linux, we have [http://perfmon2.sourceforge.net/ libpfm] from perfmon2
	* This is the preferred way we get at TSC (TSC has fallen out of favor, though)		* This is the preferred way we get at [[x86 timing\|TSC]] (TSC has fallen out of favor, though)
	* Collectors include [[oprofile]] and [[perf]].		* Collectors include [[oprofile]] and [[perf]].

Dank at 10:16, 19 September 2009

2009-09-19T10:16:57Z

← Older revision		Revision as of 10:16, 19 September 2009
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	* RDPMC instruction: http://www.x86.org/secrets/opcodes/rdpmc.htm		* RDPMC instruction: http://www.x86.org/secrets/opcodes/rdpmc.htm
	* FreeBSD includes libpmc as part of the base system		* FreeBSD includes libpmc as part of the base system
	* On Linux, we have libpfm		* On Linux, we have [http://perfmon2.sourceforge.net/ libpfm]
	* This is the preferred way we get at TSC (TSC has fallen out of favor, though)		* This is the preferred way we get at TSC (TSC has fallen out of favor, though)
	* Collectors include [[oprofile]] and [[perf]].		* Collectors include [[oprofile]] and [[perf]].

Dank at 10:04, 19 September 2009

2009-09-19T10:04:42Z

← Older revision		Revision as of 10:04, 19 September 2009
Line 4:		Line 4:
	* On Linux, we have libpfm		* On Linux, we have libpfm
	* This is the preferred way we get at TSC (TSC has fallen out of favor, though)		* This is the preferred way we get at TSC (TSC has fallen out of favor, though)
			* Collectors include [[oprofile]] and [[perf]].

WikiSysop: 1 revision

2009-01-28T07:32:15Z

1 revision

← Older revision		Revision as of 07:32, 28 January 2009
(No difference)

Dank at 16:05, 28 September 2008

2008-09-28T16:05:50Z

New page

* Normally driven through [[MSR|MSRs]]
* RDPMC instruction: http://www.x86.org/secrets/opcodes/rdpmc.htm
* FreeBSD includes libpmc as part of the base system
* On Linux, we have libpfm
* This is the preferred way we get at TSC (TSC has fallen out of favor, though)