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Tue, 16 Nov 2021 22:42:02 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p3.samsung.com (KnoxPortal) with ESMTPA id 20211116134202epcas2p39b66d4595f55bb2cd8ebfa1e7d1f5eb8~4CppoRNFl2111521115epcas2p3B; Tue, 16 Nov 2021 13:42:02 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20211116134202epsmtrp28391e58ded254b634a020fc72c24a5ef~4Cppexvf62157721577epsmtrp2e; Tue, 16 Nov 2021 13:42:02 +0000 (GMT) X-AuditID: b6c32a47-489ff7000000271e-5e-6193b52aa4dd Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id F2.27.29871.925B3916; Tue, 16 Nov 2021 22:42:02 +0900 (KST) Received: from KORCO082417 (unknown [10.229.8.121]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20211116134202epsmtip2aa1696e38ffade5b872a6a7146d64698~4Cpo_4xMZ3053030530epsmtip2a; Tue, 16 Nov 2021 13:42:02 +0000 (GMT) From: "Chanho Park" To: "'Sebastian Andrzej Siewior'" , "'Vlastimil Babka'" Cc: , "'Thomas Gleixner'" In-Reply-To: <20211116094251.7nux2fwjn55pt5m5@linutronix.de> Subject: RE: hackbench score comparison between 5.10.75-rt47 and 5.14.14-rt21 Date: Tue, 16 Nov 2021 22:42:01 +0900 Message-ID: <022001d7daef$bc333370$34999a50$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQF6b1C5A31qlqi3pgFWq9aeFpIZMgLEO9yXAZZyEH8CwWvX1wHxzAZAAOmCcGMB0dm5i6xis97Q Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrHKsWRmVeSWpSXmKPExsWy7bCmua7W1smJBvN+qllMuziJ2eL0xB5m i82bpjJbzG7sY3Rg8Xh37hy7x5kFR9g9Pm+SC2COyrbJSE1MSS1SSM1Lzk/JzEu3VfIOjneO NzUzMNQ1tLQwV1LIS8xNtVVy8QnQdcvMAdqmpFCWmFMKFApILC5W0rezKcovLUlVyMgvLrFV Si1IySkwL9ArTswtLs1L18tLLbEyNDAwMgUqTMjOeHryEGvBCZmKTx9OMzYwLhbvYuTkkBAw kfj/cBoziC0ksINRYt783C5GLiD7E6PEovcb2SCcb4wSi/9fY4bpuPOnhR0isZdRYvaCGYwQ zgtGiTsLXoFVsQnoS7zs2MYKYosIJEo83LyYDcRmFgiQ2HP7DTuIzSlgI/H35BqwGmEBf4m1 qxczgdgsAqoSl7u/sYDYvAKWEncvPGaFsAUlTs58wgIxR1ti2cLXUBcpSPx8ugxqV5TEsrZ9 UDUiErM725hBjpMQeMku8fPfViaIBheJ2Xsfs0HYwhKvjm9hh7ClJD6/28sG0dDNKNH66D9U YjWjRGejD4RtL/Fr+hagbRxAGzQl1u/SBzElBJQljtyC2ssn0XH4LztEmFeio00IolFd4sD2 6SwQtqxE95zPrBMYlWYh+WwWks9mIflgFsKuBYwsqxjFUguKc9NTi40KjOGRnZyfu4kRnBC1 3Hcwznj7Qe8QIxMH4yFGCQ5mJRHelKrJiUK8KYmVValF+fFFpTmpxYcYTYFhPZFZSjQ5H5iS 80riDU0sDUzMzAzNjUwNzJXEefPY+xKFBNITS1KzU1MLUotg+pg4OKUamPxtlRNzQ2elnPsR 8ePXVOXzpSfvd6/mVzzMcUmCj7eqM+jit0RLL7H1miFSDazshlyP1zyvEH0VJlQ70ydQY+HE i8kiEjEFDX+L5LMCy3/t02u2/bjJU3K5OftBz1QntjfT7tbXfJm95kF9nnDb4tXxfKKseRmF LS+WfDSI/pq8hclvdUiH7b/ad5KbQ411/D7HHL94XXT2S42l+hqz1h4Xc9tUr6B09IZwVSX3 5HNi359elwi4tda/s/Hot+bt9+fMf/B125vgH9s+me/8XTnzvJTJ4f1nrK17F68pONOqpaR/ aEK94/YQCYf3Sup6B14I5jXNbGX498z6AD9rbF/+TLbUtNWfZb+8WX8rSYmlOCPRUIu5qDgR AOWSLpcRBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrJLMWRmVeSWpSXmKPExsWy7bCSvK7W1smJBmcmM1pMuziJ2eL0xB5m i82bpjJbzG7sY3Rg8Xh37hy7x5kFR9g9Pm+SC2CO4rJJSc3JLEst0rdL4Mq4tu0bS8FW6Yoz LSdYGhi7xLoYOTkkBEwk7vxpYe9i5OIQEtjNKPGwsYsRIiEr8ezdDnYIW1jifssRVhBbSOAZ o8SLv6EgNpuAvsTLjm1gcRGBRIljUz6ygNjMAgESz9f0sEHU/2CSeNrLBGJzCthI/D25Bqxe WMBXYvnPk2DzWQRUJS53fwPr5RWwlLh74TErhC0ocXLmE6iZ2hK9D1sZYexlC18zQ9ymIPHz 6TKoG6IklrXtg6oXkZjd2cY8gVF4FpJRs5CMmoVk1CwkLQsYWVYxSqYWFOem5xYbFhjmpZbr FSfmFpfmpesl5+duYgTHhpbmDsbtqz7oHWJk4mA8xCjBwawkwptSNTlRiDclsbIqtSg/vqg0 J7X4EKM0B4uSOO+FrpPxQgLpiSWp2ampBalFMFkmDk6pBqad9+ZdSGRQedjnuHPTQa61ew8f izEP3963//INPzGb43U7nzN38wv3a39nfvPt4sFfR4W9sxiqjhtmaIhM9X9b+sVFdOHn6L07 L27h6t1apqabPmFHwrsLTBqlb2cKbrzIo/VH9J70k51BKQfu5F/823ze/svjUsMpRe4nN1Sr fd2/crvm74MSdz/FvK1LMt41P+Xv2XXZWy/rXYxObP4WvyTsG1uc82lxn9tTBavM9y22uiV1 MqHxoux5GYb9UoZxG8PXRL8q3vg+QYV39Vq71yySk7/G+ky48vHty02Sd07k3Dx4yGpL+3Or ys3TdJIm7UljPtXgnDKPY21PvOiGzhPRVd+kt3y+/ZEhtvHQUiWW4oxEQy3mouJEAAg3lKH8 AgAA X-CMS-MailID: 20211116134202epcas2p39b66d4595f55bb2cd8ebfa1e7d1f5eb8 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20211103031549epcas2p34418a4e6218ca93da57a0c373691bd41 References: <009301d7d061$1a1bbeb0$4e533c10$@samsung.com> <20211103091349.m7dvgqpbc2epgbi3@linutronix.de> <000001d7d1e6$47eebaf0$d7cc30d0$@samsung.com> <20211112140045.p4bybe4uxy7xwj4i@linutronix.de> <5057a47c-dcdd-5420-9e09-7ade50553dd0@suse.cz> <20211116094251.7nux2fwjn55pt5m5@linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org Hi, > -----Original Message----- > From: 'Sebastian Andrzej Siewior' > Sent: Tuesday, November 16, 2021 6:43 PM > To: Vlastimil Babka > Cc: Chanho Park ; linux-rt- > users=40vger.kernel.org; 'Thomas Gleixner' > Subject: Re: hackbench score comparison between 5.10.75-rt47 and 5.14.14- > rt21 >=20 > On 2021-11-16 10:37:22 =5B+0100=5D, Vlastimil Babka wrote: > > On 11/12/21 15:00, 'Sebastian Andrzej Siewior' wrote: > > > On 2021-11-05 10:41:40 =5B+0900=5D, Chanho Park wrote: > > >> Hi, > > > Hi, > > > > > >> I checked the same test on my aarch64 target. I'll do more > > >> realistic benchmark such as compile bench. > > >> > > >> <5.10.73-rt54 aarch64> > > >> root=40euto-v9-sadk:=7E=23 hackbench -l 10000 > > >> Time: 24.994 > > >> > > >> <5.15.0-rt17 aarch64 w/o CONFIG_SLUB_CPU_PARTIAL> > > >> root=40euto-v9-sadk:=7E=23 hackbench -l 10000 > > >> Time: 31.372 > > >> > > >> <5.15.0-rt17 aarch64 w/ CONFIG_SLUB_CPU_PARTIAL> > > >> root=40euto-v9-sadk:=7E=23 hackbench -l 10000 > > >> Time: 35.269 > > > > > > The last two are equal, is that on purporse? > > > > I see the first of last two is without SLUB_CPU_PARTIAL and the second > > with SLUB_CPU_PARTIAL, so not equal? >=20 > indeed. I didn't notice the missing o. Thanks=21. Sorry for this confusion. >=20 > > > Any feedback on v5.14-rc3-rt1 and v5.14-rc3-rt2? v5.13-rt1 should be > > > identical to you 5.10 numbers. I got below value on v5.14-rc3-rt1. <5.14.0-rc3-rt1 aarch64> Time: 35.948 Unfortunately, I've got below panic on v5.13-rt1. I stacked same patches fo= r my board both v5.13-rt1 and v514-rc3-rt1. =5B 0.112294=5D Freeing unused kernel memory: 5440K =5B 0.131064=5D Run /sbin/init as init process =5B 0.137371=5D ------------=5B cut here =5D------------ =5B 0.137373=5D WARNING: CPU: 7 PID: 1 at arch/arm64/kernel/fpsimd.c:286= task_fpsimd_load+0x98/0xc0 =5B 0.137381=5D Modules linked in: =5B 0.137385=5D CPU: 7 PID: 1 Comm: init Not tainted 5.13.0-rt1-00032-gd= ee4765ed8ff =23317 =5B 0.137388=5D Hardware name: Samsung ExynosAuto v9 SADK board (DT) =5B 0.137389=5D pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=3D--) =5B 0.137392=5D pc : task_fpsimd_load+0x98/0xc0 =5B 0.137394=5D lr : task_fpsimd_load+0x18/0xc0 =5B 0.137396=5D sp : ffff80001004bd60 =5B 0.137397=5D x29: ffff80001004bd60 x28: ffff000800098000 x27: 0000000= 000000000 =5B 0.137400=5D x26: 0000000000000000 x25: 0000000000000000 x24: 0000000= 045585401 =5B 0.137402=5D x23: 0000000000000000 x22: ffff0008000986d8 x21: ffff000= 800098000 =5B 0.137405=5D x20: ffff80001004beb0 x19: 0000000000000008 x18: 0000000= 000000014 =5B 0.137408=5D x17: 00000000ccf04c01 x16: 0000000027fe4405 x15: 0000000= 0083da15a =5B 0.137411=5D x14: 0000000000000000 x13: 0000ffffd305cbf8 x12: 0000000= 00000000f =5B 0.137414=5D x11: 0000ffffd305cfed x10: 000000000000001f x9 : 0000000= 000000000 =5B 0.137416=5D x8 : ffff80001004c000 x7 : 0000000000000000 x6 : 0000000= 000000001 =5B 0.137418=5D x5 : 0000000080080007 x4 : 0000000000000000 x3 : 0000000= 000000001 =5B 0.137421=5D x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000= 000000000 =5B 0.137424=5D Call trace: =5B 0.137425=5D task_fpsimd_load+0x98/0xc0 =5B 0.137427=5D fpsimd_restore_current_state+0x78/0xac =5B 0.137430=5D do_notify_resume+0x10c/0x1300 =5B 0.137434=5D work_pending+0xc/0x5f8 =5B 0.137436=5D ---=5B end trace 0000000000000002 =5D--- Best Regards, Chanho Park