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| author | Peter Maydell <peter.maydell@linaro.org> | 2018-02-15 15:45:33 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-02-15 15:45:33 +0000 |
| commit | f003d07337a6d4d02c43429b26a4270459afb51a (patch) | |
| tree | 6caf67e3cd097fabea32e1a66c635d9df2040e11 /include | |
| parent | 8c5e7bddc22dac9d4dc3526996babce4c7242d9d (diff) | |
| parent | d2f668b74907cbd96d9df0774971768ed06de2f0 (diff) | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/ratelimit.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/qemu/ratelimit.h b/include/qemu/ratelimit.h index 8dece483f5..1b38291823 100644 --- a/include/qemu/ratelimit.h +++ b/include/qemu/ratelimit.h @@ -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; } |