From: Juan Quintela <quintela@redhat.com>
To: qemu-devel@nongnu.org
Cc: Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>,
Peter Xu <peterx@redhat.com>,
Hailiang Zhang <zhanghailiang@xfusion.com>,
Fabiano Rosas <farosas@suse.de>,
Li Zhijian <lizhijian@fujitsu.com>,
qemu-block@nongnu.org, Juan Quintela <quintela@redhat.com>,
Leonardo Bras <leobras@redhat.com>
Subject: [PATCH v2 04/12] migration: Use the number of transferred bytes directly
Date: Wed, 25 Oct 2023 11:11:09 +0200 [thread overview]
Message-ID: <20231025091117.6342-5-quintela@redhat.com> (raw)
In-Reply-To: <20231025091117.6342-1-quintela@redhat.com>
We only use migration_transferred_bytes() to calculate the rate_limit,
for that we don't need to flush whatever is on the qemu_file buffer.
Remember that the buffer is really small (normal case is 32K if we use
iov's can be 64 * TARGET_PAGE_SIZE), so this is not relevant to
calculations.
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
migration/migration-stats.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/migration-stats.c b/migration/migration-stats.c
index 4cc989d975..1d9197b4c3 100644
--- a/migration/migration-stats.c
+++ b/migration/migration-stats.c
@@ -63,7 +63,7 @@ uint64_t migration_transferred_bytes(QEMUFile *f)
{
uint64_t multifd = stat64_get(&mig_stats.multifd_bytes);
uint64_t rdma = stat64_get(&mig_stats.rdma_bytes);
- uint64_t qemu_file = qemu_file_transferred(f);
+ uint64_t qemu_file = stat64_get(&mig_stats.qemu_file_transferred);
trace_migration_transferred_bytes(qemu_file, multifd, rdma);
return qemu_file + multifd + rdma;
--
2.41.0
next prev parent reply other threads:[~2023-10-25 9:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-25 9:11 [PATCH v2 00/12] migration: Yet another round of atomic counters Juan Quintela
2023-10-25 9:11 ` [PATCH v2 01/12] qemu-file: Don't increment qemu_file_transferred at qemu_file_fill_buffer Juan Quintela
2023-10-25 13:14 ` Fabiano Rosas
2023-10-25 9:11 ` [PATCH v2 02/12] qemu_file: Use a stat64 for qemu_file_transferred Juan Quintela
2023-10-25 9:11 ` [PATCH v2 03/12] qemu_file: total_transferred is not used anymore Juan Quintela
2023-10-25 9:11 ` Juan Quintela [this message]
2023-10-25 9:11 ` [PATCH v2 05/12] qemu_file: Remove unused qemu_file_transferred() Juan Quintela
2023-10-25 9:11 ` [PATCH v2 06/12] qemu-file: Remove _noflush from qemu_file_transferred_noflush() Juan Quintela
2023-10-25 9:11 ` [PATCH v2 07/12] migration: migration_transferred_bytes() don't need the QEMUFile Juan Quintela
2023-10-25 9:11 ` [PATCH v2 08/12] migration: migration_rate_limit_reset() " Juan Quintela
2023-10-25 9:11 ` [PATCH v2 09/12] qemu-file: Simplify qemu_file_get_error() Juan Quintela
2023-10-25 9:11 ` [PATCH v2 10/12] migration: Use migration_transferred_bytes() Juan Quintela
2023-10-25 9:11 ` [PATCH v2 11/12] migration: Remove transferred atomic counter Juan Quintela
2023-10-25 9:11 ` [PATCH v2 12/12] qemu-file: Make qemu_fflush() return errors Juan Quintela
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