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From: Juan Quintela <quintela@redhat.com>
To: David Edmondson <david.edmondson@oracle.com>
Cc: qemu-devel@nongnu.org,  Leonardo Bras <leobras@redhat.com>,
	 Peter Xu <peterx@redhat.com>
Subject: Re: [PATCH 1/2] migration: Document all migration_stats
Date: Thu, 04 May 2023 19:38:47 +0200	[thread overview]
Message-ID: <87bkj0ov2w.fsf@secure.mitica> (raw)
In-Reply-To: <m2jzxo5l20.fsf@oracle.com> (David Edmondson's message of "Thu, 04 May 2023 13:37:59 +0100")

David Edmondson <david.edmondson@oracle.com> wrote:
> Juan Quintela <quintela@redhat.com> writes:
>
>> Signed-off-by: Juan Quintela <quintela@redhat.com>
>
> Reviewed-by: David Edmondson <david.edmondson@oracle.com>

Thanks.

>> ---
>>  migration/migration-stats.h | 43 +++++++++++++++++++++++++++++++++++++
>>  1 file changed, 43 insertions(+)
>>
>> diff --git a/migration/migration-stats.h b/migration/migration-stats.h
>> index 149af932d7..0e49c236fa 100644
>> --- a/migration/migration-stats.h
>> +++ b/migration/migration-stats.h
>> @@ -22,17 +22,60 @@
>>   * one thread).
>>   */
>>  typedef struct {
>> +    /*
>> +     * number of bytes that were dirty last time that we sync with the
>
> Minor, but given that you are writing sentences, please start with a
> capital letter.

Done.

>
>> +     * guest memory.  We use that to calculate the downtime.  As the
>> +     * remaining dirty amounts to what we know that is still dirty
>> +     * since last iteration, not counting what the guest has dirtied
>> +     * sync we synchronize bitmaps.
>> +     */
>>      Stat64 dirty_bytes_last_sync;
>> +    /*
>> +     * number of pages dirtied by second.
>> +     */
>>      Stat64 dirty_pages_rate;
>> +    /*
>> +     * number of times we have synchronize guest bitmaps.
>> +     */
>>      Stat64 dirty_sync_count;
>> +    /*
>> +     * number of times zero copy failed to send any page using zero
>> +     * copy.
>> +     */
>>      Stat64 dirty_sync_missed_zero_copy;
>> +    /*
>> +     * number of bytes sent at migration completion stage while the
>> +     * guest is stopped.
>> +     */
>>      Stat64 downtime_bytes;
>> +    /*
>> +     * number of pages transferred that were full of zeros.
>> +     */
>>      Stat64 zero_pages;
>> +    /*
>> +     * number of bytes sent through multifd channels.
>> +     */
>>      Stat64 multifd_bytes;
>> +    /*
>> +     * number of pages transferred that were not full of zeros.
>> +     */
>>      Stat64 normal_pages;
>> +    /*
>> +     * number of bytes sent during postcopy.
>> +     */
>>      Stat64 postcopy_bytes;
>> +    /*
>> +     * number of postcopy page faults that we have handled during
>> +     * postocpy stage.
>> +     */
>>      Stat64 postcopy_requests;
>> +    /*
>> +     *  number of bytes sent during precopy stage.
>
> Spurious double space before 'number'.

Done.



  reply	other threads:[~2023-05-04 17:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-04 10:33 [PATCH 0/2] More migration stats Juan Quintela
2023-05-04 10:33 ` [PATCH 1/2] migration: Document all migration_stats Juan Quintela
2023-05-04 12:37   ` David Edmondson
2023-05-04 17:38     ` Juan Quintela [this message]
2023-05-04 16:47   ` Daniel P. Berrangé
2023-05-04 17:39     ` Juan Quintela
2023-05-04 10:33 ` [PATCH 2/2] migration: Put zero_pages in alphabetical order Juan Quintela
2023-05-04 12:38   ` David Edmondson
2023-05-04 16:47   ` Daniel P. Berrangé
2023-05-25 15:06   ` Peter Xu

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