From: Paolo Bonzini <pbonzini@redhat.com>
To: Juan Quintela <quintela@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 05/41] migration: rename expected_time to expected_downtime
Date: Fri, 21 Sep 2012 14:19:34 +0200 [thread overview]
Message-ID: <505C5B56.9090508@redhat.com> (raw)
In-Reply-To: <1348217255-22441-6-git-send-email-quintela@redhat.com>
Il 21/09/2012 10:46, Juan Quintela ha scritto:
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> ---
> arch_init.c | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/arch_init.c b/arch_init.c
> index cdd8ab7..013e5e5 100644
> --- a/arch_init.c
> +++ b/arch_init.c
> @@ -539,7 +539,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
> double bwidth = 0;
> int ret;
> int i;
> - uint64_t expected_time;
> + uint64_t expected_downtime;
>
> bytes_transferred_last = bytes_transferred;
> bwidth = qemu_get_clock_ns(rt_clock);
> @@ -578,24 +578,24 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
> bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
> bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
>
> - /* if we haven't transferred anything this round, force expected_time to a
> - * a very high value, but without crashing */
> + /* if we haven't transferred anything this round, force
> + * expected_downtime to a very high value, but without
> + * crashing */
> if (bwidth == 0) {
> bwidth = 0.000001;
> }
>
> qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
>
> - expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
> + expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
> + DPRINTF("ram_save_live: expected(%" PRIu64 ") <= max(" PRIu64 ")?\n",
> + expected_downtime, migrate_max_downtime());
>
> - DPRINTF("ram_save_live: expected(%" PRIu64 ") <= max(%" PRIu64 ")?\n",
> - expected_time, migrate_max_downtime());
> -
> - if (expected_time <= migrate_max_downtime()) {
> + if (expected_downtime <= migrate_max_downtime()) {
> memory_global_sync_dirty_bitmap(get_system_memory());
> - expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
> + expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
>
> - return expected_time <= migrate_max_downtime();
> + return expected_downtime <= migrate_max_downtime();
> }
> return 0;
> }
>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
next prev parent reply other threads:[~2012-09-21 12:19 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-21 8:46 [Qemu-devel] [PATCH 00/41] Migration cleanups, refactorings, stats, and more Juan Quintela
2012-09-21 8:46 ` [Qemu-devel] [PATCH 01/41] buffered_file: g_realloc() can't fail Juan Quintela
2012-09-21 12:11 ` Paolo Bonzini
2012-09-25 8:08 ` Orit Wasserman
2012-09-21 8:46 ` [Qemu-devel] [PATCH 02/41] fix migration sync Juan Quintela
2012-09-21 12:17 ` Paolo Bonzini
2012-09-25 8:45 ` Paolo Bonzini
2012-10-02 10:43 ` Juan Quintela
2012-10-02 10:53 ` Paolo Bonzini
2012-09-21 8:46 ` [Qemu-devel] [PATCH 03/41] migration: store end_time in a local variable Juan Quintela
2012-09-21 12:17 ` Paolo Bonzini
2012-09-25 8:10 ` Orit Wasserman
2012-09-21 8:46 ` [Qemu-devel] [PATCH 04/41] migration: print total downtime for final phase of migration Juan Quintela
2012-09-21 12:19 ` Paolo Bonzini
2012-09-25 8:18 ` Orit Wasserman
2012-09-21 8:46 ` [Qemu-devel] [PATCH 05/41] migration: rename expected_time to expected_downtime Juan Quintela
2012-09-21 12:19 ` Paolo Bonzini [this message]
2012-09-25 8:21 ` Orit Wasserman
2012-09-21 8:47 ` [Qemu-devel] [PATCH 06/41] migration: export migrate_get_current() Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 07/41] migration: print expected downtime in info migrate Juan Quintela
2012-09-21 12:22 ` Paolo Bonzini
2012-10-02 10:47 ` Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 08/41] savevm: Factorize ram globals reset in its own function Juan Quintela
2012-09-25 8:37 ` Orit Wasserman
2012-09-21 8:47 ` [Qemu-devel] [PATCH 09/41] ram: introduce migration_bitmap_set_dirty() Juan Quintela
2012-09-25 8:38 ` Orit Wasserman
2012-09-21 8:47 ` [Qemu-devel] [PATCH 10/41] ram: Introduce migration_bitmap_test_and_reset_dirty() Juan Quintela
2012-09-25 9:35 ` Orit Wasserman
2012-09-21 8:47 ` [Qemu-devel] [PATCH 11/41] ram: Export last_ram_offset() Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 12/41] ram: introduce migration_bitmap_sync() Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 13/41] ram: create trace event for migration sync bitmap Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 14/41] Separate migration bitmap Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 15/41] migration: Add dirty_pages_rate to query migrate output Juan Quintela
2012-09-21 12:33 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 16/41] BufferedFile: append, then flush Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 17/41] buffered_file: rename opaque to migration_state Juan Quintela
2012-09-25 11:41 ` Orit Wasserman
2012-10-02 10:54 ` Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 18/41] buffered_file: opaque is MigrationState Juan Quintela
2012-09-25 11:46 ` Orit Wasserman
2012-09-28 7:33 ` Juan Quintela
2012-09-28 7:48 ` Orit Wasserman
2012-09-21 8:47 ` [Qemu-devel] [PATCH 19/41] buffered_file: unfold migrate_fd_put_buffer Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 20/41] buffered_file: unfold migrate_fd_put_ready Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 21/41] buffered_file: unfold migrate_fd_put_buffer Juan Quintela
2012-09-21 12:34 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 22/41] " Juan Quintela
2012-09-21 12:35 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 23/41] buffered_file: We can access directly to bandwidth_limit Juan Quintela
2012-09-21 12:35 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 24/41] buffered_file: callers of buffered_flush() already check for errors Juan Quintela
2012-09-21 12:39 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 25/41] buffered_file: make buffered_flush return the error code Juan Quintela
2012-09-21 12:43 ` Paolo Bonzini
2012-10-02 11:06 ` Juan Quintela
2012-10-02 11:16 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 26/41] migration: make migrate_fd_wait_for_unfreeze() return errors Juan Quintela
2012-09-21 12:44 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 27/41] savevm: unexport qemu_fflush Juan Quintela
2012-09-21 12:45 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 28/41] virtio-net: use qemu_get_buffer() in a temp buffer Juan Quintela
2012-09-21 12:45 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 29/41] savevm: Remove qemu_fseek() Juan Quintela
2012-09-21 12:46 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 30/41] savevm: make qemu_fflush() return an error code Juan Quintela
2012-09-21 12:46 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 31/41] savevm: unfold qemu_fclose_internal() Juan Quintela
2012-09-21 12:48 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 32/41] savevm: unexport qemu_ftell() Juan Quintela
2012-09-21 12:48 ` Paolo Bonzini
2012-09-21 15:42 ` Juan Quintela
2012-09-21 8:47 ` [Qemu-devel] [PATCH 33/41] savevm: make qemu_fill_buffer() be consistent Juan Quintela
2012-09-21 12:48 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 34/41] savevm: Only qemu_fflush() can generate errors Juan Quintela
2012-09-21 12:49 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 35/41] buffered_file: buffered_put_buffer() don't need to set last_error Juan Quintela
2012-09-21 12:50 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 36/41] block-migration: make flush_blks() return errors Juan Quintela
2012-09-21 12:50 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 37/41] block-migration: Switch meaning of return value Juan Quintela
2012-09-21 12:51 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 38/41] block-migration: handle errors with the return codes correctly Juan Quintela
2012-09-21 12:53 ` Paolo Bonzini
2012-09-24 18:24 ` Juan Quintela
2012-09-25 6:36 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 39/41] savevm: un-export qemu_file_set_error() Juan Quintela
2012-09-21 12:53 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 40/41] savevm: make qemu_file_put_notify() return errors Juan Quintela
2012-09-21 12:53 ` Paolo Bonzini
2012-09-21 8:47 ` [Qemu-devel] [PATCH 41/41] cpus: create qemu_cpu_is_vcpu() Juan Quintela
2012-09-21 12:54 ` Paolo Bonzini
2012-09-21 14:48 ` Andreas Färber
2012-09-21 15:36 ` Paolo Bonzini
2012-09-24 18:11 ` Juan Quintela
-- strict thread matches above, loose matches on Subject: below --
2012-10-02 11:32 [Qemu-devel] [PATCH v2 00/41] Migration cleanups, refactorings, stats, and more Juan Quintela
2012-10-02 11:33 ` [Qemu-devel] [PATCH 05/41] migration: rename expected_time to expected_downtime Juan Quintela
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