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migration/dirtyrate: use QEMU_CLOCK_HOST to report start-time
Currently query-dirty-rate uses QEMU_CLOCK_REALTIME as the source for start-time field. This translates to clock_gettime(CLOCK_MONOTONIC), i.e. number of seconds since host boot. This is not very useful. The only reasonable use case of start-time I can imagine is to check whether previously completed measurements are too old or not. But this makes sense only if start-time is reported as host wall-clock time. This patch replaces source of start-time from QEMU_CLOCK_REALTIME to QEMU_CLOCK_HOST. Signed-off-by: Andrei Gudkov <gudkov.andrei@huawei.com> Reviewed-by: Hyman Huang <yong.huang@smartx.com> Message-Id: <399861531e3b24a1ecea2ba453fb2c3d129fb03a.1693905328.git.gudkov.andrei@huawei.com> Signed-off-by: Hyman Huang <yong.huang@smartx.com>
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