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| /freebsd/sys/dev/hwpmc/ |
| H A D | hwpmc_armv7.c | 90a6e9ef Mon Jan 04 13:50:17 GMT 2021 Andrew Turner <andrew@FreeBSD.org> Update hwpmc on armv7 to handle overflow better
When testing hwpmc on arm64 we found the counter could overflow while
reading the event count. Handle this case in the armv7 code by also
checking if the overflow bit is set and incrementing the overflow
cound as needed.
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27969
90a6e9ef Mon Jan 04 13:50:17 GMT 2021 Andrew Turner <andrew@FreeBSD.org> Update hwpmc on armv7 to handle overflow better
When testing hwpmc on arm64 we found the counter could overflow while
reading the event count. Handle this case in the armv7 code by also
checking if the overflow bit is set and incrementing the overflow
cound as needed.
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27969
90a6e9ef Mon Jan 04 13:50:17 GMT 2021 Andrew Turner <andrew@FreeBSD.org> Update hwpmc on armv7 to handle overflow better
When testing hwpmc on arm64 we found the counter could overflow while
reading the event count. Handle this case in the armv7 code by also
checking if the overflow bit is set and incrementing the overflow
cound as needed.
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27969
90a6e9ef Mon Jan 04 13:50:17 GMT 2021 Andrew Turner <andrew@FreeBSD.org> Update hwpmc on armv7 to handle overflow better
When testing hwpmc on arm64 we found the counter could overflow while
reading the event count. Handle this case in the armv7 code by also
checking if the overflow bit is set and incrementing the overflow
cound as needed.
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27969
90a6e9ef Mon Jan 04 13:50:17 GMT 2021 Andrew Turner <andrew@FreeBSD.org> Update hwpmc on armv7 to handle overflow better
When testing hwpmc on arm64 we found the counter could overflow while
reading the event count. Handle this case in the armv7 code by also
checking if the overflow bit is set and incrementing the overflow
cound as needed.
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27969
90a6e9ef Mon Jan 04 13:50:17 GMT 2021 Andrew Turner <andrew@FreeBSD.org> Update hwpmc on armv7 to handle overflow better
When testing hwpmc on arm64 we found the counter could overflow while
reading the event count. Handle this case in the armv7 code by also
checking if the overflow bit is set and incrementing the overflow
cound as needed.
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27969
90a6e9ef Mon Jan 04 13:50:17 GMT 2021 Andrew Turner <andrew@FreeBSD.org> Update hwpmc on armv7 to handle overflow better
When testing hwpmc on arm64 we found the counter could overflow while
reading the event count. Handle this case in the armv7 code by also
checking if the overflow bit is set and incrementing the overflow
cound as needed.
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27969
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