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From: Juan Quintela <quintela@redhat.com>
To: Leonardo Bras Soares Passos <leobras@redhat.com>
Cc: qemu-devel@nongnu.org, "Peter Xu" <peterx@redhat.com>,
	"Greg Kurz" <groug@kaod.org>,
	qemu-s390x@nongnu.org, "Fam Zheng" <fam@euphon.net>,
	"Ilya Leoshkevich" <iii@linux.ibm.com>,
	"Halil Pasic" <pasic@linux.ibm.com>,
	"John Snow" <jsnow@redhat.com>,
	qemu-ppc@nongnu.org,
	"Daniel Henrique Barboza" <danielhb413@gmail.com>,
	"Harsh Prateek Bora" <harshpb@linux.ibm.com>,
	"Christian Borntraeger" <borntraeger@linux.ibm.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"David Gibson" <david@gibson.dropbear.id.au>,
	"David Hildenbrand" <david@redhat.com>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"Eric Farman" <farman@linux.ibm.com>,
	qemu-block@nongnu.org, "Cédric Le Goater" <clg@kaod.org>,
	"Eric Blake" <eblake@redhat.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Vladimir Sementsov-Ogievskiy" <vsementsov@yandex-team.ru>
Subject: Re: [PATCH v2 02/16] migration: Correct transferred bytes value
Date: Tue, 30 May 2023 12:30:41 +0200	[thread overview]
Message-ID: <87jzwqw1pq.fsf@secure.mitica> (raw)
In-Reply-To: <CAJ6HWG7N_YGNxU4dd4DMumFjqWWhQRqP=RngkAUYQ52E-29G5g@mail.gmail.com> (Leonardo Bras Soares Passos's message of "Fri, 26 May 2023 15:50:52 -0300")

Leonardo Bras Soares Passos <leobras@redhat.com> wrote:
> On Fri, May 26, 2023 at 5:04 AM Juan Quintela <quintela@redhat.com> wrote:
>> > Maybe too much?
>>
>> I dropped this patch for two reasons:
>>
>> - reviewers gave me a bad time with it O:-)
>> - it was there only so if anyone was meassuring that new counters are
>>   the same that old counters.
>>
>> But as I have already checked that, we don't need it.
>>
>> I drop it on the next round that I send.
>> > Maybe, it would be nice to have qemu_put_* to return the value, and in this
>> > case:
>> >
>> > size += qemu_put_be64(...)
>> >
>> > What do you think?
>>
>> Even more important than that is to return an error value, but that
>> is a very long project.
>>
>> See on my next series that qemu_fflush() return errors, so code gets
>> simplifed:
>>
>> qemu_fflush(file);
>> if (qemu_file_get_error(file)) {
>>     handle error;
>> }
>>
>> to:
>>
>> qemu_fflush(file);
>> if (qemu_file_get_error(file)) {
>>     handle error;
>> }
>>
>
> They look the same to me, what changed?

I did copy paste without changing:

if (qemu_fflush(file)) {
    handle error;
}



>> We need to do basically all qemu_put_*() and qemu_get_*() functions, but
>> it is a step on the right direction.
>>
>> Later, Juan.
>>



  reply	other threads:[~2023-05-30 10:32 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-15 19:56 [PATCH v2 00/16] Migration: More migration atomic counters Juan Quintela
2023-05-15 19:56 ` [PATCH v2 01/16] migration: Don't use INT64_MAX for unlimited rate Juan Quintela
2023-05-16  4:49   ` Harsh Prateek Bora
2023-05-16  9:13   ` David Edmondson
2023-05-16  9:24     ` Juan Quintela
2023-05-16  9:55       ` David Edmondson
2023-05-16 12:47       ` Cédric Le Goater
2023-05-23  1:57         ` Leonardo Brás
2023-05-15 19:56 ` [PATCH v2 02/16] migration: Correct transferred bytes value Juan Quintela
2023-05-16  9:35   ` David Edmondson
2023-05-23  2:15   ` Leonardo Brás
2023-05-26  8:04     ` Juan Quintela
2023-05-26 18:50       ` Leonardo Bras Soares Passos
2023-05-30 10:30         ` Juan Quintela [this message]
2023-05-15 19:56 ` [PATCH v2 03/16] migration: Move setup_time to mig_stats Juan Quintela
2023-05-16  9:42   ` David Edmondson
2023-05-16 10:06     ` Juan Quintela
2023-05-16 11:07       ` David Edmondson
2023-05-25  1:18   ` Leonardo Brás
2023-05-26  8:07     ` Juan Quintela
2023-05-26 18:53       ` Leonardo Bras Soares Passos
2023-05-15 19:56 ` [PATCH v2 04/16] qemu-file: Account for rate_limit usage on qemu_fflush() Juan Quintela
2023-05-25  1:33   ` Leonardo Brás
2023-05-26  8:09     ` Juan Quintela
2023-05-26 18:54       ` Leonardo Bras Soares Passos
2023-05-15 19:56 ` [PATCH v2 05/16] migration: Move rate_limit_max and rate_limit_used to migration_stats Juan Quintela
2023-05-16 12:43   ` Cédric Le Goater
2023-05-25  3:06   ` Leonardo Brás
2023-05-15 19:56 ` [PATCH v2 06/16] migration: Move migration_total_bytes() to migration-stats.c Juan Quintela
2023-05-25  3:09   ` Leonardo Brás
2023-05-15 19:57 ` [PATCH v2 07/16] migration: Add a trace for migration_transferred_bytes Juan Quintela
2023-05-25  3:18   ` Leonardo Brás
2023-05-15 19:57 ` [PATCH v2 08/16] migration: Use migration_transferred_bytes() to calculate rate_limit Juan Quintela
2023-05-25  6:50   ` Leonardo Brás
2023-05-26  8:17     ` Juan Quintela
2023-05-26 18:59       ` Leonardo Bras Soares Passos
2023-05-15 19:57 ` [PATCH v2 09/16] migration: We don't need the field rate_limit_used anymore Juan Quintela
2023-05-25  6:50   ` Leonardo Brás
2023-05-26  8:18     ` Juan Quintela
2023-05-26 18:59       ` Leonardo Bras Soares Passos
2023-05-15 19:57 ` [PATCH v2 10/16] migration: Don't abuse qemu_file transferred for RDMA Juan Quintela
2023-05-25  6:53   ` Leonardo Brás
2023-05-15 19:57 ` [PATCH v2 11/16] migration/RDMA: It is accounting for zero/normal pages in two places Juan Quintela
2023-05-25  7:06   ` Leonardo Brás
2023-05-15 19:57 ` [PATCH v2 12/16] migration/rdma: Remove QEMUFile parameter when not used Juan Quintela
2023-05-25  7:21   ` Leonardo Brás
2023-05-15 19:57 ` [PATCH v2 13/16] migration/rdma: Don't use imaginary transfers Juan Quintela
2023-05-25  7:27   ` Leonardo Brás
2023-05-15 19:57 ` [PATCH v2 14/16] migration: Remove unused qemu_file_credit_transfer() Juan Quintela
2023-05-25  7:29   ` Leonardo Brás
2023-05-15 19:57 ` [PATCH v2 15/16] migration/rdma: Simplify the function that saves a page Juan Quintela
2023-05-25  8:10   ` Leonardo Brás
2023-05-26  8:21     ` Juan Quintela
2023-05-26 19:03       ` Leonardo Bras Soares Passos
2023-05-15 19:57 ` [PATCH v2 16/16] migration/multifd: Compute transferred bytes correctly Juan Quintela
2023-05-25  8:38   ` Leonardo Brás
2023-05-26  8:23     ` Juan Quintela
2023-05-26 19:04       ` Leonardo Bras Soares Passos

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