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89 lines
3.0 KiB
89 lines
3.0 KiB
From f0d4e34b00f66d2336b755a34a1ba226571641c4 Mon Sep 17 00:00:00 2001
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From: Juan Quintela <quintela@redhat.com>
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Date: Thu, 2 Mar 2023 01:13:01 +0100
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Subject: [PATCH 42/56] migration: Create migrate_max_cpu_throttle()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Peter Xu <peterx@redhat.com>
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RH-MergeRequest: 162: migration: Pretty failures for postcopy on unsupported memory types
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RH-Bugzilla: 2057267
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RH-Acked-by: Leonardo Brás <leobras@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: quintela1 <quintela@redhat.com>
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RH-Commit: [41/50] fc7537c06d8e1f53d7bb552661f6ddb0133a978d (peterx/qemu-kvm)
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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Reviewed-by: Fabiano Rosas <farosas@suse.de>
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(cherry picked from commit 24155bd0520035d5148c0af5b925932c4d8064a8)
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Signed-off-by: Peter Xu <peterx@redhat.com>
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---
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migration/migration.h | 2 --
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migration/options.c | 9 +++++++++
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migration/options.h | 1 +
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migration/ram.c | 2 +-
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4 files changed, 11 insertions(+), 3 deletions(-)
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diff --git a/migration/migration.h b/migration/migration.h
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index 86051af132..3ae938b19c 100644
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--- a/migration/migration.h
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+++ b/migration/migration.h
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@@ -451,8 +451,6 @@ bool migrate_postcopy(void);
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int migrate_use_tls(void);
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-int migrate_max_cpu_throttle(void);
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-
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uint64_t ram_get_total_transferred_pages(void);
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/* Sending on the return path - generic and then for each message type */
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diff --git a/migration/options.c b/migration/options.c
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index 0e102e5700..2cb04fbbd1 100644
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--- a/migration/options.c
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+++ b/migration/options.c
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@@ -517,6 +517,15 @@ int migrate_decompress_threads(void)
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return s->parameters.decompress_threads;
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}
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+uint8_t migrate_max_cpu_throttle(void)
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+{
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+ MigrationState *s;
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+
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+ s = migrate_get_current();
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+
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+ return s->parameters.max_cpu_throttle;
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+}
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+
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int64_t migrate_max_postcopy_bandwidth(void)
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{
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MigrationState *s;
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diff --git a/migration/options.h b/migration/options.h
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index adc2879bbb..72b1a320b7 100644
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--- a/migration/options.h
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+++ b/migration/options.h
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@@ -51,6 +51,7 @@ int migrate_compress_level(void);
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int migrate_compress_threads(void);
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int migrate_compress_wait_thread(void);
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int migrate_decompress_threads(void);
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+uint8_t migrate_max_cpu_throttle(void);
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int64_t migrate_max_postcopy_bandwidth(void);
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int migrate_multifd_channels(void);
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MultiFDCompression migrate_multifd_compression(void);
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diff --git a/migration/ram.c b/migration/ram.c
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index e82cee97c3..5c786513ef 100644
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--- a/migration/ram.c
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+++ b/migration/ram.c
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@@ -715,7 +715,7 @@ static void mig_throttle_guest_down(uint64_t bytes_dirty_period,
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uint64_t pct_initial = s->parameters.cpu_throttle_initial;
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uint64_t pct_increment = s->parameters.cpu_throttle_increment;
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bool pct_tailslow = s->parameters.cpu_throttle_tailslow;
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- int pct_max = s->parameters.max_cpu_throttle;
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+ int pct_max = migrate_max_cpu_throttle();
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uint64_t throttle_now = cpu_throttle_get_percentage();
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uint64_t cpu_now, cpu_ideal, throttle_inc;
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--
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2.39.1
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