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v2:
  * Dropped Fam's git-publish series because there is still ongoing discussion
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

v2:
 * Dropped Fam's git-publish series because there is still ongoing discussion

# gpg: Signature made Thu 15 Feb 2018 09:42:03 GMT
# gpg:                using RSA key 9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  misc: fix spelling
  ratelimit: don't align wait time with slices
  vl: pause vcpus before stopping iothreads

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-02-15 15:45:33 +00:00
commit f003d07337
3 changed files with 15 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
include/qemu/ratelimit.h
View file

@ -36,7 +36,7 @@ typedef struct {
static inline int64_t ratelimit_calculate_delay(RateLimit *limit, uint64_t n)
{
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
uint64_t delay_slices;
double delay_slices;
assert(limit->slice_quota && limit->slice_ns);
@ -55,12 +55,11 @@ static inline int64_t ratelimit_calculate_delay(RateLimit *limit, uint64_t n)
return 0;
}
/* Quota exceeded. Calculate the next time slice we may start
* sending data again. */
delay_slices = (limit->dispatched + limit->slice_quota - 1) /
limit->slice_quota;
/* Quota exceeded. Wait based on the excess amount and then start a new
* slice. */
delay_slices = (double)limit->dispatched / limit->slice_quota;
limit->slice_end_time = limit->slice_start_time +
delay_slices * limit->slice_ns;
(uint64_t)(delay_slices * limit->slice_ns);
return limit->slice_end_time - now;
}