Commit Graph

6 Commits

Author SHA1 Message Date
Pedro F. Giffuni
718cf2ccb9 sys/dev: further adoption of SPDX licensing ID tags.
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
2017-11-27 14:52:40 +00:00
John Baldwin
4a3690dfa1 Convert hwpmc(4) debug printfs over to KTR.
Differential Revision:	https://reviews.freebsd.org/D2487
Reviewed by:	davide, emaste
MFC after:	2 weeks
Sponsored by:	Norse Corp, Inc.
2015-05-08 19:40:00 +00:00
Justin Hibbits
a745246822 Implement hwpmc(4) for Freescale e500 core.
This supports e500v1, e500v2, and e500mc. Tested only on e500v2, but the
performance counters are identical across all, with e500mc having some
additional events.

Relnotes:	Yes
2015-04-18 21:39:17 +00:00
Justin Hibbits
409062f166 Fix hwpmc sampling for ppc970 (G5-class) processors.
With this, hwpmc sampling now works on these processors.

MFC after:	3 weeks
Relnotes:	yes
2014-11-27 18:41:14 +00:00
Justin Hibbits
8a00edea58 Enable and disable the PMC unit at load/unload time, respectively.
MFC after:	3 weeks
2014-04-18 06:39:00 +00:00
Justin Hibbits
169dd953b0 Add hwpmc(4) support for the PowerPC 970 class processors, direct events.
This also fixes asserts on removal of the module for the mpc74xx.

The PowerPC 970 processors have two different types of events: direct events
and indirect events.  Thus far only direct events are supported.  I included
some documentation in the driver on how indirect events work, but support is
for the future.

MFC after:	1 month
2014-02-01 02:03:50 +00:00