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| author | Chuan Zheng <zhengchuan@huawei.com> | 2020-09-16 14:22:03 +0800 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2020-09-25 12:45:57 +0100 |
| commit | f82583cdc05b89e5900e44ceacb6cc85f974b448 (patch) | |
| tree | c50862024368f8f239e8c8f66cad9d85342be18b /migration/dirtyrate.h | |
| parent | 9c04387b88a7685ab2b1f77911a56e91d8f67b6d (diff) | |
| download | qemu-f82583cdc05b89e5900e44ceacb6cc85f974b448.zip qemu-f82583cdc05b89e5900e44ceacb6cc85f974b448.tar.gz qemu-f82583cdc05b89e5900e44ceacb6cc85f974b448.tar.bz2 | |
migration/dirtyrate: skip sampling ramblock with size below MIN_RAMBLOCK_SIZE
In order to sample real RAM, skip ramblock with size below MIN_RAMBLOCK_SIZE
which is set as 128M.
Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Message-Id: <1600237327-33618-9-git-send-email-zhengchuan@huawei.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/dirtyrate.h')
| -rw-r--r-- | migration/dirtyrate.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h index 312debc..be5b8ec 100644 --- a/migration/dirtyrate.h +++ b/migration/dirtyrate.h @@ -24,6 +24,11 @@ */ #define RAMBLOCK_INFO_MAX_LEN 256 +/* + * Minimum RAMBlock size to sample, in megabytes. + */ +#define MIN_RAMBLOCK_SIZE 128 + struct DirtyRateConfig { uint64_t sample_pages_per_gigabytes; /* sample pages per GB */ int64_t sample_period_seconds; /* time duration between two sampling */ |