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Fri, 20 Oct 2023 08:24:16 -0700 (PDT) Received: from localhost.localdomain ([171.216.79.181]) by smtp.gmail.com with ESMTPSA id d4-20020a170902cec400b001c60d0a6d84sm1644824plg.127.2023.10.20.08.24.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 08:24:15 -0700 (PDT) From: Hyman Huang To: qemu-devel@nongnu.org Cc: Juan Quintela , Peter Xu , Fabiano Rosas , Leonardo Bras , Thomas Huth , Laurent Vivier , Paolo Bonzini , Hyman Huang Subject: [v2 5/6] tests/migration: Introduce dirty-limit into guestperf Date: Fri, 20 Oct 2023 23:23:47 +0800 Message-Id: <516e7a55dfc6e33d33510be37eb24223de5dc072.1697815117.git.yong.huang@smartx.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::435; envelope-from=yong.huang@smartx.com; helo=mail-pf1-x435.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Currently, guestperf does not cover the dirty-limit migration, support this feature. Note that dirty-limit requires 'dirty-ring-size' set. To enable dirty-limit, setting x-vcpu-dirty-limit-period as 500ms and x-vcpu-dirty-limit as 10MB/s: $ ./tests/migration/guestperf.py \ --dirty-ring-size 4096 \ --dirty-limit --x-vcpu-dirty-limit-period 500 \ --vcpu-dirty-limit 10 --output output.json \ To run the entire standardized set of dirty-limit-enabled comparisons, with unix migration: $ ./tests/migration/guestperf-batch.py \ --dirty-ring-size 4096 \ --dst-host localhost --transport unix \ --filter compr-dirty-limit* --output outputdir Signed-off-by: Hyman Huang Reviewed-by: Fabiano Rosas --- tests/migration/guestperf/comparison.py | 23 +++++++++++++++++++++++ tests/migration/guestperf/engine.py | 17 +++++++++++++++++ tests/migration/guestperf/progress.py | 16 ++++++++++++++-- tests/migration/guestperf/scenario.py | 11 ++++++++++- tests/migration/guestperf/shell.py | 18 +++++++++++++++++- 5 files changed, 81 insertions(+), 4 deletions(-) diff --git a/tests/migration/guestperf/comparison.py b/tests/migration/guestperf/comparison.py index c03b3f6d7e..42cc0372d1 100644 --- a/tests/migration/guestperf/comparison.py +++ b/tests/migration/guestperf/comparison.py @@ -135,4 +135,27 @@ def __init__(self, name, scenarios): Scenario("compr-multifd-channels-64", multifd=True, multifd_channels=64), ]), + + # Looking at effect of dirty-limit with + # varying x_vcpu_dirty_limit_period + Comparison("compr-dirty-limit-period", scenarios = [ + Scenario("compr-dirty-limit-period-500", + dirty_limit=True, x_vcpu_dirty_limit_period=500), + Scenario("compr-dirty-limit-period-800", + dirty_limit=True, x_vcpu_dirty_limit_period=800), + Scenario("compr-dirty-limit-period-1000", + dirty_limit=True, x_vcpu_dirty_limit_period=1000), + ]), + + + # Looking at effect of dirty-limit with + # varying vcpu_dirty_limit + Comparison("compr-dirty-limit", scenarios = [ + Scenario("compr-dirty-limit-10MB", + dirty_limit=True, vcpu_dirty_limit=10), + Scenario("compr-dirty-limit-20MB", + dirty_limit=True, vcpu_dirty_limit=20), + Scenario("compr-dirty-limit-50MB", + dirty_limit=True, vcpu_dirty_limit=50), + ]), ] diff --git a/tests/migration/guestperf/engine.py b/tests/migration/guestperf/engine.py index aabf6de4d9..608d7270f6 100644 --- a/tests/migration/guestperf/engine.py +++ b/tests/migration/guestperf/engine.py @@ -102,6 +102,8 @@ def _migrate_progress(self, vm): info.get("expected-downtime", 0), info.get("setup-time", 0), info.get("cpu-throttle-percentage", 0), + info.get("dirty-limit-throttle-time-per-round", 0), + info.get("dirty-limit-ring-full-time", 0), ) def _migrate(self, hardware, scenario, src, dst, connect_uri): @@ -203,6 +205,21 @@ def _migrate(self, hardware, scenario, src, dst, connect_uri): resp = dst.cmd("migrate-set-parameters", multifd_channels=scenario._multifd_channels) + if scenario._dirty_limit: + if not hardware._dirty_ring_size: + raise Exception("dirty ring size must be configured when " + "testing dirty limit migration") + + resp = src.cmd("migrate-set-capabilities", + capabilities = [ + { "capability": "dirty-limit", + "state": True } + ]) + resp = src.cmd("migrate-set-parameters", + x_vcpu_dirty_limit_period=scenario._x_vcpu_dirty_limit_period) + resp = src.cmd("migrate-set-parameters", + vcpu_dirty_limit=scenario._vcpu_dirty_limit) + resp = src.cmd("migrate", uri=connect_uri) post_copy = False diff --git a/tests/migration/guestperf/progress.py b/tests/migration/guestperf/progress.py index ab1ee57273..d490584217 100644 --- a/tests/migration/guestperf/progress.py +++ b/tests/migration/guestperf/progress.py @@ -81,7 +81,9 @@ def __init__(self, downtime, downtime_expected, setup_time, - throttle_pcent): + throttle_pcent, + dirty_limit_throttle_time_per_round, + dirty_limit_ring_full_time): self._status = status self._ram = ram @@ -91,6 +93,10 @@ def __init__(self, self._downtime_expected = downtime_expected self._setup_time = setup_time self._throttle_pcent = throttle_pcent + self._dirty_limit_throttle_time_per_round = \ + dirty_limit_throttle_time_per_round + self._dirty_limit_ring_full_time = \ + dirty_limit_ring_full_time def serialize(self): return { @@ -102,6 +108,10 @@ def serialize(self): "downtime_expected": self._downtime_expected, "setup_time": self._setup_time, "throttle_pcent": self._throttle_pcent, + "dirty_limit_throttle_time_per_round": + self._dirty_limit_throttle_time_per_round, + "dirty_limit_ring_full_time": + self._dirty_limit_ring_full_time, } @classmethod @@ -114,4 +124,6 @@ def deserialize(cls, data): data["downtime"], data["downtime_expected"], data["setup_time"], - data["throttle_pcent"]) + data["throttle_pcent"], + data["dirty_limit_throttle_time_per_round"], + data["dirty_limit_ring_full_time"]) diff --git a/tests/migration/guestperf/scenario.py b/tests/migration/guestperf/scenario.py index de70d9b2f5..154c4f5d5f 100644 --- a/tests/migration/guestperf/scenario.py +++ b/tests/migration/guestperf/scenario.py @@ -30,7 +30,9 @@ def __init__(self, name, auto_converge=False, auto_converge_step=10, compression_mt=False, compression_mt_threads=1, compression_xbzrle=False, compression_xbzrle_cache=10, - multifd=False, multifd_channels=2): + multifd=False, multifd_channels=2, + dirty_limit=False, x_vcpu_dirty_limit_period=500, + vcpu_dirty_limit=1): self._name = name @@ -60,6 +62,10 @@ def __init__(self, name, self._multifd = multifd self._multifd_channels = multifd_channels + self._dirty_limit = dirty_limit + self._x_vcpu_dirty_limit_period = x_vcpu_dirty_limit_period + self._vcpu_dirty_limit = vcpu_dirty_limit + def serialize(self): return { "name": self._name, @@ -79,6 +85,9 @@ def serialize(self): "compression_xbzrle_cache": self._compression_xbzrle_cache, "multifd": self._multifd, "multifd_channels": self._multifd_channels, + "dirty_limit": self._dirty_limit, + "x_vcpu_dirty_limit_period": self._x_vcpu_dirty_limit_period, + "vcpu_dirty_limit": self._vcpu_dirty_limit, } @classmethod diff --git a/tests/migration/guestperf/shell.py b/tests/migration/guestperf/shell.py index 7d6b8cd7cf..c85d89efec 100644 --- a/tests/migration/guestperf/shell.py +++ b/tests/migration/guestperf/shell.py @@ -131,6 +131,17 @@ def __init__(self): parser.add_argument("--multifd-channels", dest="multifd_channels", default=2, type=int) + parser.add_argument("--dirty-limit", dest="dirty_limit", default=False, + action="store_true") + + parser.add_argument("--x-vcpu-dirty-limit-period", + dest="x_vcpu_dirty_limit_period", + default=500, type=int) + + parser.add_argument("--vcpu-dirty-limit", + dest="vcpu_dirty_limit", + default=1, type=int) + def get_scenario(self, args): return Scenario(name="perfreport", downtime=args.downtime, @@ -154,7 +165,12 @@ def get_scenario(self, args): compression_xbzrle_cache=args.compression_xbzrle_cache, multifd=args.multifd, - multifd_channels=args.multifd_channels) + multifd_channels=args.multifd_channels, + + dirty_limit=args.dirty_limit, + x_vcpu_dirty_limit_period=\ + args.x_vcpu_dirty_limit_period, + vcpu_dirty_limit=args.vcpu_dirty_limit) def run(self, argv): args = self._parser.parse_args(argv)