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80 Commits

Author SHA1 Message Date
Fabien Thomas
c2a3620fc3 Allow compile from c++ for libpmc 
Approved by:	jkoshy (mentor)
MFC after:	3 days
 2009-03-24 22:35:05 +00:00
Jeff Roberson
597979c4b7 - Add support for nehalem/corei7 cpus. This supports all of the core 
counters defined in the reference manual.  It does not support the
   'uncore' events.

Reviewed by:	jkoshy
Sponsored by:	Nokia
 2009-01-27 07:29:37 +00:00
Joseph Koshy
3c83ff13e9 Document processor errata that affect performance measurement. 2008-12-08 12:28:48 +00:00
Joseph Koshy
b4d091f3a4 Fixes for Core2 Extreme support. 
Submitted by:	 "Artem Belevich" <artemb at gmail dot com>
 2008-12-03 17:30:36 +00:00
Joseph Koshy
d95afe050e Update description of an event. 
Submitted by:	"Verplanke, Edwin" <edwin dot verplanke at intel dot com>
 2008-11-27 09:21:37 +00:00
Joseph Koshy
0cfab8ddc1 - Add support for PMCs in Intel CPUs of Family 6, model 0xE (Core Solo 
and Core Duo), models 0xF (Core2), model 0x17 (Core2Extreme) and
  model 0x1C (Atom).

  In these CPUs, the actual numbers, kinds and widths of PMCs present
  need to queried at run time.  Support for specific "architectural"
  events also needs to be queried at run time.

  Model 0xE CPUs support programmable PMCs, subsequent CPUs
  additionally support "fixed-function" counters.

- Use event names that are close to vendor documentation, taking in
  account that:
  - events with identical semantics on two or more CPUs in this family
    can have differing names in vendor documentation,
  - identical vendor event names may map to differing events across
    CPUs,
  - each type of CPU supports a different subset of measurable
    events.

  Fixed-function and programmable counters both use the same vendor
  names for events.  The use of a class name prefix ("iaf-" or
  "iap-" respectively) permits these to be distinguished.

- In libpmc, refactor pmc_name_of_event() into a public interface
  and an internal helper function, for use by log handling code.

- Minor code tweaks: staticize a global, freshen a few comments.

Tested by:	gnn
 2008-11-27 09:00:47 +00:00
Joseph Koshy
d5ec7b69ec Fix buglets. 2008-11-26 03:48:20 +00:00
Joseph Koshy
ebf07c3e19 Correction: these PMCs do not support a "umask" modifier. 2008-11-24 08:14:01 +00:00
Joseph Koshy
0f7668cbae - Document the rules used to determine when spellings of events 
are equivalent.
- Reorder text to make the manual page more coherent.
 2008-11-24 08:11:33 +00:00
Joseph Koshy
944e20faf5 - Document the class name prefix for these PMCs. 
- Document the "anythread" qualifier, available on Atom CPUs.
- Add examples.
 2008-11-15 11:34:30 +00:00
Joseph Koshy
0b4dcce33e Tweak -mdoc usage. 2008-11-13 16:32:20 +00:00
Joseph Koshy
9275b7fce8 Document UMASK values, fix errors. 2008-11-13 10:40:13 +00:00
Joseph Koshy
f21fb297ad Fix typos, document UMASK values. 2008-11-13 10:21:56 +00:00
Joseph Koshy
63653d3956 Remove duplicates, fix errors and document UMASK values. 2008-11-13 09:53:53 +00:00
Joseph Koshy
6c292c4db6 Document the alternate event names supported for "architectural" PMC events. 2008-11-12 17:43:37 +00:00
Joseph Koshy
06209c4453 Use spellings that are close to vendor documentation. 2008-11-12 17:38:23 +00:00
Joseph Koshy
789140c0e7 - Sparsely number enumerations 'pmc_cputype' and 'pmc_event' in order to 
reduce ABI disruptions when new cpu types and new PMC events are added
  in the future.
- Support alternate spellings for PMC events.  Derive the canonical
  spelling of an event name from its enumeration name in 'enum pmc_event'.
- Provide a way for users to disambiguate between identically named events
  supported by multiple classes of PMCs in a CPU.
- Change libpmc's machine-dependent event specifier parsing code to
  better support CPUs containing two or more classes of PMC resources.
 2008-10-09 14:55:45 +00:00
Joseph Koshy
8fb796642a Correct a typo. 2008-10-06 10:34:44 +00:00
Joseph Koshy
243e1539f3 - Add cross-references. 
- Tweak -mdoc use.
 2008-10-04 12:54:25 +00:00
Joseph Koshy
2eca5e0f76 Add cross-references. 2008-10-04 12:53:08 +00:00
Joseph Koshy
8c3af4f2c2 Cross-reference new manual pages. 2008-10-04 12:44:05 +00:00
Joseph Koshy
72cf78b859 - Cross-reference new manual pages. 
- Spell new PMC class names correctly.
 2008-10-04 12:35:02 +00:00
Joseph Koshy
7042d3b9da Add manual pages for performance measurement counters present in 
Intel Atom(tm), Core(tm) and Core2(tm) CPUs.
 2008-10-04 12:27:49 +00:00
Joseph Koshy
a8a55dd98f - Document event numbers associated with event names. 
- Document an event that was missed out earlier.
- Sort event names alphabetically.
 2008-10-02 08:53:06 +00:00
Joseph Koshy
f0fbd1c4a6 - Document event numbers. 
- Sort event names.
 2008-10-02 06:37:33 +00:00
Joseph Koshy
0206ebd3c8 -mdoc tweaks. 2008-10-02 06:21:07 +00:00
Joseph Koshy
8c171bf58c - Document event numbers. 
- Correct misspellings of two event names.
 2008-10-02 06:15:40 +00:00
Joseph Koshy
624760c7f6 Document event numbers alongside event names. 
Requested by:		Arun Sharma <arun at sharma-home dot net>
 2008-10-02 04:46:00 +00:00
Joseph Koshy
6455febbea Document changes in behaviour due to sparse CPU numbering support. 2008-09-22 14:31:24 +00:00
Joseph Koshy
624f6965da Keep symbols in sorted order. 2008-09-19 13:21:23 +00:00
Joseph Koshy
0f3866fa5f Improve grammar. 2008-09-18 10:20:35 +00:00
Joseph Koshy
80f30b733b Document new PMC classes, capabilities and CPU kinds. 
Improve typography.
 2008-09-18 10:16:54 +00:00
Joseph Koshy
48ddc62541 Whitespace fixes. 2008-09-17 04:13:14 +00:00
Joseph Koshy
0b9b757d45 Add event name aliases for Pentium PMCs. 2008-09-17 03:53:37 +00:00
Joseph Koshy
24f2c3f394 Replace PMC-dependent content with references to 
the appropriate manual pages.
 2008-09-16 16:58:24 +00:00
Joseph Koshy
d41debca93 Build and install PMC-dependent manual pages. 2008-09-16 16:57:14 +00:00
Joseph Koshy
7c8e922826 Fix a typo. 2008-09-16 16:53:25 +00:00
Joseph Koshy
2186848edd Move PMC documentation to separate manual pages, one per PMC class. 2008-09-16 16:34:55 +00:00
Joseph Koshy
020247a4d2 Move TSC specific PMC information to its own manual page. 2008-09-16 16:29:41 +00:00
Joseph Koshy
6aa5a19391 Correct an event name alias: event "k7-dc-misses" does not support 
a unitmask.
 2008-09-16 14:13:03 +00:00
Joseph Koshy
bcbe65a85f - Document Pentium and Pentium MMX events. 
- Update (c) years and the manual page's date.
 2008-03-14 06:22:03 +00:00
Joseph Koshy
484202faab Bring the behaviour of pmc_capabilities() and pmc_width() in line with 
documentation: set 'errno' and return -1 in case of an error.

Update (c) years.
 2008-03-12 15:51:32 +00:00
Joseph Koshy
ef4ba9be47 Describe return values from pmc_ncpu() and pmc_npmc() better. 2008-03-12 15:48:59 +00:00
Joseph Koshy
120da7bd62 Correct a typo. 2008-02-03 06:04:38 +00:00
Joseph Koshy
aa342b1f18 Improve style(9) compliance and trim a long text line. 2007-12-07 13:52:51 +00:00
Joseph Koshy
c5e73985de Add callchain parsing to -lpmc. 
Sponsored by:	FreeBSD Foundation and Google Inc.
 2007-12-03 11:15:46 +00:00
Joseph Koshy
0b84422642 Replace a spurious cross-reference to hwpmc(4) with correct text. 2007-12-03 10:59:23 +00:00
Joseph Koshy
c89d1cf588 - Add an overview of the pmc(3) API. 
- Defer detailed descriptions of individual functions in the API to
  function-specific manual pages.
 2007-11-25 06:50:31 +00:00
Joseph Koshy
677d4530c2 Move the following functions into their own manual pages: 
- pmc_attach(), pmc_detach().
- pmc_capabilities(), pmc_cpuinfo(), pmc_ncpu(), pmc_npmc(), pmc_pmcinfo(),
  pmc_width().
- pmc_get_driver_stats().
- pmc_get_msr().
- pmc_read(), pmc_rw(), pmc_write().
- pmc_set().
- pmc_start(), pmc_stop().
 2007-11-25 06:38:55 +00:00
Joseph Koshy
f28834c1a2 - Describe function pmc_init() in its own manual page. 
- Describe functions pmc_configure_logfile(), pmc_flush_logfile() and
  pmc_writelog() in their own manual page.
 2007-11-25 03:18:42 +00:00