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285830 |
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23-Jul-2015 |
gjb |
- Copy stable/10@285827 to releng/10.2 in preparation for 10.2-RC1 builds. - Update newvers.sh to reflect RC1. - Update __FreeBSD_version to reflect 10.2. - Update default pkg(8) configuration to use the quarterly branch.[1]
Discussed with: re, portmgr [1] Approved by: re (implicit) Sponsored by: The FreeBSD Foundation |
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256281 |
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10-Oct-2013 |
gjb |
Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation
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233628 |
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28-Mar-2012 |
fabient |
Add software PMC support.
New kernel events can be added at various location for sampling or counting. This will for example allow easy system profiling whatever the processor is with known tools like pmcstat(8).
Simultaneous usage of software PMC and hardware PMC is possible, for example looking at the lock acquire failure, page fault while sampling on instructions.
Sponsored by: NETASQ MFC after: 1 month
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231871 |
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17-Feb-2012 |
brueffer |
Switch the license boilerplates to our standard one.
Advantages: - Reduces the number of different license versions in the tree - Eliminates a typo - Removes some incorrect author attributions due to c/p - Removes c/p error potential for future pmc manpages
Approved by: jkoshy, gnn, rpaulo, fabient (copyright holders) MFC after: 1 week
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206622 |
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14-Apr-2010 |
uqs |
mdoc: order prologue macros consistently by Dd/Dt/Os
Although groff_mdoc(7) gives another impression, this is the ordering most widely used and also required by mdocml/mandoc.
Reviewed by: ru Approved by: philip, ed (mentors)
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196446 |
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23-Aug-2009 |
jkoshy |
Fix typos, use American English spellings.
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183641 |
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06-Oct-2008 |
jkoshy |
Correct a typo.
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183597 |
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04-Oct-2008 |
jkoshy |
- Add cross-references. - Tweak -mdoc use.
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183534 |
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02-Oct-2008 |
jkoshy |
- Document event numbers. - Correct misspellings of two event names.
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183107 |
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17-Sep-2008 |
jkoshy |
Whitespace fixes.
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183084 |
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16-Sep-2008 |
jkoshy |
Move PMC documentation to separate manual pages, one per PMC class.
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177162 |
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14-Mar-2008 |
jkoshy |
- Document Pentium and Pentium MMX events. - Update (c) years and the manual page's date.
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175914 |
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03-Feb-2008 |
jkoshy |
Correct a typo.
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174212 |
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03-Dec-2007 |
jkoshy |
Replace a spurious cross-reference to hwpmc(4) with correct text.
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173900 |
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25-Nov-2007 |
jkoshy |
- Add an overview of the pmc(3) API. - Defer detailed descriptions of individual functions in the API to function-specific manual pages.
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168660 |
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12-Apr-2007 |
jkoshy |
Fix a bug in the description of the "p6-div" event. [1]
Update the description of the "p6-div" and "p6-mul" events according to the "Intel(r) 64 and IA-32 Architectures Software Developers Manual Volume 3B: System Programming Guide, Part 2, November 2006".
Reported by: Harald Servat <redcrash at gmail dot com> [1]
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167903 |
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26-Mar-2007 |
jkoshy |
Clarify memory management rules for pmc_cpuinfo().
Suggested by: "Harald Servat" <redcrash at gmail dot com>
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156907 |
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20-Mar-2006 |
jkoshy |
Update the pmc(3) manual page's date string and freshen the year in the (c) line for pmc.3 and libpmc.c.
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155998 |
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25-Feb-2006 |
jkoshy |
Add an alias 'unhalted-cycles' denoting cycles where the CPU is not in a halt or sleep state.
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152761 |
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24-Nov-2005 |
ru |
Fix prototypes.
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152551 |
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17-Nov-2005 |
ru |
-mdoc sweep.
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148223 |
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21-Jul-2005 |
jkoshy |
Add COMPATIBILITY and HISTORY sections.
MFC after: 3 days
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148011 |
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14-Jul-2005 |
brueffer |
- Remove MLINKS to nonexistant manpages - Change some section numbers to match reality - For MLINKS to manpages from ports, mention which port installs them
MFC after: 3 days
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147586 |
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24-Jun-2005 |
ru |
- Tidy up the markup. - Clarify the sections on "Cascading P4 PMCs" and "Precise Event Based Sampling" (1) - Bump document date.
Reviewed by: jkoshy Submitted by: jkoshy (1) Approved by: re (blanket)
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147191 |
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09-Jun-2005 |
jkoshy |
MFP4:
- Implement sampling modes and logging support in hwpmc(4).
- Separate MI and MD parts of hwpmc(4) and allow sharing of PMC implementations across different architectures. Add support for P4 (EMT64) style PMCs to the amd64 code.
- New pmcstat(8) options: -E (exit time counts) -W (counts every context switch), -R (print log file).
- pmc(3) API changes, improve our ability to keep ABI compatibility in the future. Add more 'alias' names for commonly used events.
- bug fixes & documentation.
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#
145774 |
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01-May-2005 |
jkoshy |
Add convenience APIs pmc_width() and pmc_capabilities() to -lpmc. Have pmcstat(8) and pmccontrol(8) use these APIs.
Return PMC class-related constants (PMC widths and capabilities) with the OP GETCPUINFO call leaving OP PMCINFO to return only the dynamic information associated with a PMC (i.e., whether enabled, owner pid, reload count etc.).
Allow pmc_read() (i.e., OPS PMCRW) on active self-attached PMCs to get upto-date values from hardware since we can guarantee that the hardware is running the correct PMC at the time of the call.
Bug fixes: - (x86 class processors) Fix a bug that prevented an RDPMC instruction from being recognized as permitted till after the attached process had context switched out and back in again after a pmc_start() call.
Tighten the rules for using RDPMC class instructions: a GETMSR OP is now allowed only after an OP ATTACH has been done by the PMC's owner to itself. OP GETMSR is not allowed for PMCs that track descendants, for PMCs attached to processes other than their owner processes.
- (P4/HTT processors only) Fix a bug that caused the MI and MD layers to get out of sync. Add a new MD operation 'get_config()' as part of this fix.
- Allow multiple system-mode PMCs at the same row-index but on different CPUs to be allocated.
- Reject allocation of an administratively disabled PMC.
Misc. code cleanups and refactoring. Improve a few comments.
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145440 |
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23-Apr-2005 |
jkoshy |
Note events affected by processor errata.
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145256 |
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19-Apr-2005 |
jkoshy |
Bring a working snapshot of hwpmc(4), its associated libraries, userland utilities and documentation into -CURRENT.
Bump FreeBSD_version.
Reviewed by: alc, jhb (kernel changes)
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