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Tue, 06 Aug 2024 08:24:09 -0700 (PDT) Received: from Hyman-Dev-Euler.zelin.local ([85.208.104.155]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7106ed2d04bsm7059727b3a.201.2024.08.06.08.24.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Aug 2024 08:24:09 -0700 (PDT) From: yong.huang@smartx.com To: qemu-devel@nongnu.org Cc: Peter Xu , Fabiano Rosas , yong.huang@smartx.com Subject: [PATCH 2/2] tests/migration: Introduce multifd compression into guestperf Date: Tue, 6 Aug 2024 23:23:42 +0800 Message-Id: <8af3ae48cd4c3116b9f0f478bd5cf6df64198d66.1722957352.git.yong.huang@smartx.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: none client-ip=2607:f8b0:4864:20::532; envelope-from=yong.huang@smartx.com; helo=mail-pg1-x532.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 From: Hyman Huang Guestperf tool does not cover the multifd compression option currently, it is worth supporting so that developers can analysis the migration performance with different compression algorithms. Multifd support 4 compression algorithms currently: zlib, zstd, qpl, uadk To request that multifd with the specified compression algorithm such as zlib: $ ./tests/migration/guestperf.py \ --multifd --multifd-channels 4 --multifd-compression zlib \ --output output.json To run the entire standardized set of multifd compression comparisons, with unix migration: $ ./tests/migration/guestperf-batch.py \ --dst-host localhost --transport unix \ --filter compr-multifd-compression* --output outputdir Signed-off-by: Hyman Huang --- tests/migration/guestperf/comparison.py | 13 +++++++++++++ tests/migration/guestperf/engine.py | 12 ++++++++++++ tests/migration/guestperf/scenario.py | 7 +++++-- tests/migration/guestperf/shell.py | 3 +++ 4 files changed, 33 insertions(+), 2 deletions(-) diff --git a/tests/migration/guestperf/comparison.py b/tests/migration/guestperf/comparison.py index 40e9d2eb1d..71208e8540 100644 --- a/tests/migration/guestperf/comparison.py +++ b/tests/migration/guestperf/comparison.py @@ -158,4 +158,17 @@ def __init__(self, name, scenarios): Scenario("compr-dirty-limit-50MB", dirty_limit=True, vcpu_dirty_limit=50), ]), + + # Looking at effect of multifd with + # different compression algorithm + Comparison("compr-multifd-compression", scenarios = [ + Scenario("compr-multifd-compression-zlib", + multifd=True, multifd_channels=4, multifd_compression="zlib"), + Scenario("compr-multifd-compression-zstd", + multifd=True, multifd_channels=4, multifd_compression="zstd"), + Scenario("compr-multifd-compression-qpl", + multifd=True, multifd_channels=4, multifd_compression="qpl"), + Scenario("compr-multifd-compression-uadk", + multifd=True, multifd_channels=4, multifd_compression="uadk"), + ]), ] diff --git a/tests/migration/guestperf/engine.py b/tests/migration/guestperf/engine.py index 608d7270f6..883a7b8ab6 100644 --- a/tests/migration/guestperf/engine.py +++ b/tests/migration/guestperf/engine.py @@ -31,6 +31,8 @@ '..', '..', '..', 'python')) from qemu.machine import QEMUMachine +# multifd supported compressoin algorithms +MULTIFD_CMP_ALGS = ("zlib", "zstd", "qpl", "uadk") class Engine(object): @@ -205,6 +207,16 @@ def _migrate(self, hardware, scenario, src, dst, connect_uri): resp = dst.cmd("migrate-set-parameters", multifd_channels=scenario._multifd_channels) + if scenario._multifd_compression: + if scenario._multifd_compression not in MULTIFD_CMP_ALGS: + raise Exception("unsupported multifd compression " + "algorithm: %s" % + scenario._multifd_compression) + resp = src.command("migrate-set-parameters", + multifd_compression=scenario._multifd_compression) + resp = dst.command("migrate-set-parameters", + multifd_compression=scenario._multifd_compression) + if scenario._dirty_limit: if not hardware._dirty_ring_size: raise Exception("dirty ring size must be configured when " diff --git a/tests/migration/guestperf/scenario.py b/tests/migration/guestperf/scenario.py index 154c4f5d5f..4be7fafebf 100644 --- a/tests/migration/guestperf/scenario.py +++ b/tests/migration/guestperf/scenario.py @@ -30,7 +30,7 @@ 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, multifd_compression="", dirty_limit=False, x_vcpu_dirty_limit_period=500, vcpu_dirty_limit=1): @@ -61,6 +61,7 @@ def __init__(self, name, self._multifd = multifd self._multifd_channels = multifd_channels + self._multifd_compression = multifd_compression self._dirty_limit = dirty_limit self._x_vcpu_dirty_limit_period = x_vcpu_dirty_limit_period @@ -85,6 +86,7 @@ def serialize(self): "compression_xbzrle_cache": self._compression_xbzrle_cache, "multifd": self._multifd, "multifd_channels": self._multifd_channels, + "multifd_compression": self._multifd_compression, "dirty_limit": self._dirty_limit, "x_vcpu_dirty_limit_period": self._x_vcpu_dirty_limit_period, "vcpu_dirty_limit": self._vcpu_dirty_limit, @@ -109,4 +111,5 @@ def deserialize(cls, data): data["compression_xbzrle"], data["compression_xbzrle_cache"], data["multifd"], - data["multifd_channels"]) + data["multifd_channels"], + data["multifd_compression"]) diff --git a/tests/migration/guestperf/shell.py b/tests/migration/guestperf/shell.py index c85d89efec..1452eb8a33 100644 --- a/tests/migration/guestperf/shell.py +++ b/tests/migration/guestperf/shell.py @@ -130,6 +130,8 @@ def __init__(self): action="store_true") parser.add_argument("--multifd-channels", dest="multifd_channels", default=2, type=int) + parser.add_argument("--multifd-compression", dest="multifd_compression", + default="") parser.add_argument("--dirty-limit", dest="dirty_limit", default=False, action="store_true") @@ -166,6 +168,7 @@ def get_scenario(self, args): multifd=args.multifd, multifd_channels=args.multifd_channels, + multifd_compression=args.multifd_compression, dirty_limit=args.dirty_limit, x_vcpu_dirty_limit_period=\