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From: Fabiano Rosas <farosas@suse.de>
To: yong.huang@smartx.com, qemu-devel@nongnu.org
Cc: Peter Xu <peterx@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	yong.huang@smartx.com
Subject: Re: [PATCH v4 2/6] migration: Stop CPU throttling conditionally
Date: Thu, 17 Oct 2024 15:02:34 -0300	[thread overview]
Message-ID: <87ldym38w5.fsf@suse.de> (raw)
In-Reply-To: <f0c787080bb9ab0c37952f0ca5bfaa525d5ddd14.1729146786.git.yong.huang@smartx.com>

yong.huang@smartx.com writes:

> From: Hyman Huang <yong.huang@smartx.com>
>
> Since CPU throttling only occurs when auto-converge
> is on, stop it conditionally.
>
> Signed-off-by: Hyman Huang <yong.huang@smartx.com>
> ---
>  migration/migration.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/migration/migration.c b/migration/migration.c
> index 021faee2f3..37a200a177 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -3289,7 +3289,9 @@ static MigIterateState migration_iteration_run(MigrationState *s)
>  static void migration_iteration_finish(MigrationState *s)
>  {
>      /* If we enabled cpu throttling for auto-converge, turn it off. */
> -    cpu_throttle_stop();
> +    if (migrate_auto_converge()) {
> +        cpu_throttle_stop();
> +    }
>  
>      bql_lock();
>      switch (s->state) {

Reviewed-by: Fabiano Rosas <farosas@suse.de>


  reply	other threads:[~2024-10-17 18:03 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-17  6:42 [PATCH v4 0/6] migration: auto-converge refinements for huge VM yong.huang
2024-10-17  6:42 ` [PATCH v4 1/6] accel/tcg/icount-common: Remove the reference to the unused header file yong.huang
2024-10-17 17:59   ` Fabiano Rosas
2024-10-17  6:42 ` [PATCH v4 2/6] migration: Stop CPU throttling conditionally yong.huang
2024-10-17 18:02   ` Fabiano Rosas [this message]
2024-10-17  6:42 ` [PATCH v4 3/6] migration: Move cpu-throttole.c from system to migration yong.huang
2024-10-17 18:10   ` Fabiano Rosas
2024-10-17  6:42 ` [PATCH v4 4/6] migration: Remove "rs" parameter in migration_bitmap_sync_precopy yong.huang
2024-10-17  6:42 ` [PATCH v4 5/6] migration: Support periodic RAMBlock dirty bitmap sync yong.huang
2024-10-17 18:57   ` Fabiano Rosas
2024-10-17 19:33   ` Peter Xu
2024-10-17 20:35     ` Fabiano Rosas
2024-10-18  1:55     ` Yong Huang
2024-10-17  6:42 ` [PATCH v4 6/6] tests/migration: Add case for periodic ramblock dirty sync yong.huang
2024-10-17 19:01   ` Fabiano Rosas
2024-10-18 15:08 ` [PATCH v4 0/6] migration: auto-converge refinements for huge VM Peter Xu

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