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From: Juan Quintela <quintela@redhat.com>
To: qemu-devel@nongnu.org
Cc: "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>,
	"Leonardo Bras" <leobras@redhat.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Juan Quintela" <quintela@redhat.com>,
	"Vladimir Sementsov-Ogievskiy" <vsementsov@yandex-team.ru>
Subject: [PATCH v2 04/16] qemu-file: Account for rate_limit usage on qemu_fflush()
Date: Mon, 15 May 2023 21:56:57 +0200	[thread overview]
Message-ID: <20230515195709.63843-5-quintela@redhat.com> (raw)
In-Reply-To: <20230515195709.63843-1-quintela@redhat.com>

That is the moment we know we have transferred something.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
---
 migration/qemu-file.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/migration/qemu-file.c b/migration/qemu-file.c
index 4bc875b452..956bd2a580 100644
--- a/migration/qemu-file.c
+++ b/migration/qemu-file.c
@@ -302,7 +302,9 @@ void qemu_fflush(QEMUFile *f)
                                    &local_error) < 0) {
             qemu_file_set_error_obj(f, -EIO, local_error);
         } else {
-            f->total_transferred += iov_size(f->iov, f->iovcnt);
+            uint64_t size = iov_size(f->iov, f->iovcnt);
+            qemu_file_acct_rate_limit(f, size);
+            f->total_transferred += size;
         }
 
         qemu_iovec_release_ram(f);
@@ -519,7 +521,6 @@ void qemu_put_buffer_async(QEMUFile *f, const uint8_t *buf, size_t size,
         return;
     }
 
-    f->rate_limit_used += size;
     add_to_iovec(f, buf, size, may_free);
 }
 
@@ -537,7 +538,6 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, size_t size)
             l = size;
         }
         memcpy(f->buf + f->buf_index, buf, l);
-        f->rate_limit_used += l;
         add_buf_to_iovec(f, l);
         if (qemu_file_get_error(f)) {
             break;
@@ -554,7 +554,6 @@ void qemu_put_byte(QEMUFile *f, int v)
     }
 
     f->buf[f->buf_index] = v;
-    f->rate_limit_used++;
     add_buf_to_iovec(f, 1);
 }
 
-- 
2.40.1



  parent reply	other threads:[~2023-05-15 19:58 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
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 ` Juan Quintela [this message]
2023-05-25  1:33   ` [PATCH v2 04/16] qemu-file: Account for rate_limit usage on qemu_fflush() 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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