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[125.100.90.238]) by smtp.googlemail.com with ESMTPSA id x21-v6sm8170539iod.7.2018.05.04.02.21.48 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 04 May 2018 02:21:49 -0700 (PDT) To: mips@freebsd.org From: Josef Larsson Subject: Routing performance (Buffalo WZR-HP-G301NH) Openpgp: preference=signencrypt Autocrypt: addr=josef.lar@gmail.com; prefer-encrypt=mutual; keydata= xsFNBFJ60sYBEADAc+9QA+mqtBHwKWhvkNJIsa221p05ocNwG4K5++wCPWVCjA32SON1xNFK GO8tLBYSONP0F3D9kWR6lkTrWNe+FBunAbGiCHnFoe/jtv1HLwiooUGQgm2TuuZofrR4wgBb N/2tR9o5bpXQ9/yke5nDIoumvuWuj5p32udBFKeCyXc2CHAKwZe+08zS/69ubgIR8Q3tQHBC CTCBeNptsWb30T2+B7uV93RKpc6AhozX2NJKTetPTVRJpEn+uTJEcB5nvQbSbH1ReAw2SX3q SN4PSZsfCBylixQTWzGLR/K0fVxLgb/E4OkBw5FNyYYllkIIgHdcyDRWoDIxanKMHLbDN7G2 18C5oYUL/eItHIChmJJjpO1o1O21IKPuOpsBpevjtRnyBf+b1ncM/CJLSq21rFDsD564iuTd d07ROqortTRCtrnyNq5ceXZHpIr3zbxcH4mXal6Kz8rnyPMJXzqhbexfTiSTpe8M5ox5TLA6 TAAc17lVPf8mGZIvzeJS9ztTC5EM1BgyyqOQqtVuNYsuMj4WIC/qkcrInFRIP4xZ31UUNMu4 OJvqJ/Pgl79fyg1tOhz1hzJaiCzM5QJbApcwwWiZnJG6ns8sJb/8vqbA3UA3QUBoeMTkSpJV o1OrC10Jcpfxl4TxQKieoyX4tfIMJoR5oVMdNFMKuGmeKWNPbwARAQABzSNKb3NlZiBMYXJz c29uIDxqb3NlZi5sYXJAZ21haWwuY29tPsLBeQQTAQIAIwUCUnrSxgIbAwcLCQgHAwIBBhUI AgkKCwQWAgMBAh4BAheAAAoJEMVA/QvoCaRgFeEP/R+e1GGu9VJD6sF4vCyejebl/Ij76QOl 7ac9bR7h955eWMA3d94WOsGubJGNWjYmCcvgAIznwUuFC/J0oJgty9nXn1tH8lWwwiPgi7rU HvS17VombUmeMPm5diZpuZVL5Ym+MnY0mG5APFePfwgT1Ih6aJiLSOjgEVn8dUvqBDYNBBUp rA0wqi5HqSPw+BAG4Z7PF7OQxBdoQPRRF1qcLEgdfBx41mvTHG/MI96UNSnTqKbL6KnolJPM 1/F+UXzKWwXrwRMYvR6lLIngO3uwJAoyuL3cTqxp+Tjh1dIzhosXdKatReoX9K//jIrVSpN7 UpBGF6A+R+2jd0rWPd4bh9Y88eGAKwT6gn6VdoC+QeBdkLXZonV8a4ndP9/QueCI/vkoDMXV 8yTeO/xHDqtKxcDWt412jCtINObgZF+Us25IijlkH9pC52+IIykV20+gTcHC+QJI/e6sguS0 XdUnp4JW5FYO1IFGDi+zOOY7TBEeJrNiE49G60UsfCub/5EXURytWh1VdBKNf1K/Jvs6q/E7 zwWOHjTfSYfzvdk5tQRgnZGD0EogaWPBs5S633uqUN1gjTjjAel287XRwQGva0Xgvt0+IbgV DSrqXNc5IV1en1CYtalYHa9mH6kmQ4OMI77br2dIJtWBOYFKMhgPMg0ZGAV/TaWyvILETha+ xUEDzsFNBFJ60sYBEAC8ESKaHyDjuNSeLmEKW2ZCtqtcX9w5qJNUXBLv5nsIVm7OTn216vET /trgsNdZfGM5OgI3kQMn1y2uq93sow7RvyXZSwU4afv+BLMifCaIOhxMu6BfxE2JSktaD0sm iS3eTRGQcJUc+8RisNU64pxX2FmkcvzKU+fQ+R4pFjqUO4LJ+NCOqo30oT83FXG12XOamBdN Fkj6llvrGPC1r1SK9ZQ8/pNx+GjN5EcldK9E872GPO7+TslgFAG6IOH1LAUwpK7+3W2OWGKb WRrVKAQVh71Ubg8lDAg3VxFDzWdRCM37fLHE0pHPK/tFcKQVBdtzCjID2tnC9laDm6p0rFvl X4uRiEggAuYZhCda3bcciD3+WUZuTFF0PV1v6JnZQfb38pAhfa9RWC5rlKqnusGURefNtFfO +HlU7v6AieHzK5Z2X7CZ0ysf6lsoKcNIGMoxWbbd+AZMxJ5fKYx2VyjTMFUKZvVSvGCesI3Y 3k5+2qZ/HwoAITEB6+6k8agNf0IZjuPQ/i+k+7m03tRJ+8lVBpJ/I2rBz6JsQe6M1YN0LTNg t/E1kFrfQLABUHaJlYOZ+Oy3afsnk1fYXdKv1raTGNjvKjbPiHtEHJ21jrzH9sSRPEwKtZRi pASwzXX63mUhN0OKl/bHAPdeosA2u7LkDGgcP5/R/mOJCMfWlnHE6wARAQABwsFfBBgBAgAJ BQJSetLGAhsMAAoJEMVA/QvoCaRg2IUP/3EvsJJsvcs6eqordQ8GXs9+ZobJ6g6dVS2jymv9 c5XN4KL/gGAaFEMMW6hdSu1F6VmBSmvN1SSqzlzmgTKUqV7iTXIV1Xo4tTm7p/+WAjFQ/Fe0 TJ5aHB2K2+pdt9v3H3NvtaWXtg9LOXYlczP5+dQQL4GBUkwXNUBzGfmttMTBnF2oy3028Ko+ PMli+st/4zCpuhBWh51VleSkiqIDFbEqjbX0o3HSMr+Ufe7tXHVrGSsMUrIdLXkOOiqsileJ m1DGC4fCx5szY9qCIspxk16YoZaYDjemHdZ4/FyHp3/5Z0WCEU0qCS+KxXjvq+dN0JmPw0TE Ru1dskiDYkRLMf1lTEOtLPE6Hb8Pprs/ke5o8guuaJ0rewwdiVedSHeY5GCIx3x9QsiYVmV1 nn+yx58in/H1PwiPrAkG7eS1q0zt9l6fpWNOuQ5UZL2ssdD2HMTw/OKQAQVi53UXbwJoALX3 ZPdVDC5NsFdXR3Dc+6bBrq1yQW033Rt6ToXLmQDU1e+EgdUYQeliEm6ZlG/CbarqKaNKAHRm nH/OqUIVEqRxfEPtFmk3QR7ZQ+n5UMzEM0eLDaxyW14bCGS32z7X+d40HRbODou5aACsJg8D y0IcofohjXY5yPPCLBCIYYEbkmwp+7zr5mczuwNm1P30EEtNwq/KmUDQ9NXdHGNP7GvJ Message-ID: <69b4cfd1-1664-ebbf-5734-7be38a70e938@gmail.com> Date: Fri, 4 May 2018 18:26:46 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="z3GL2fKPqAIE6rLHluqeIG5aeTkvCLqIR" X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 May 2018 09:21:56 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --z3GL2fKPqAIE6rLHluqeIG5aeTkvCLqIR Content-Type: multipart/mixed; boundary="AgURqJgTsVAjDZfo69oAgTUCOIuXR56Rk"; protected-headers="v1" From: Josef Larsson To: mips@freebsd.org Message-ID: <69b4cfd1-1664-ebbf-5734-7be38a70e938@gmail.com> Subject: Routing performance (Buffalo WZR-HP-G301NH) --AgURqJgTsVAjDZfo69oAgTUCOIuXR56Rk Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Hi, I would like to use the Buffalo WZR-HP-G301NH as a router with pf. I use a custom built ZRouter image for this. This works in practice, but I am not happy with the performance (I basically can't download faster than 80 mbit/s). I have a couple of concerns: 1. According to ps aux, there is an interrupt load at about 9 - 10 % during idle conditions. Is this reasonable? It seems high to me. 2. When I am running "pmcstat -TS instructions -w1", there seems to be a lot of action going on in uart_ar71xx_probe. Is this reasonable? There are some unknown functions, and I am suspect that the function names are not resolved correctly. Also, apb_attach is invoked a lot according pmcstat. While the sampling percentage for this function is less than 2 %, I still find it odd that an attach function is invoked at idle... 3. When downloading a large file, the system becomes pretty much unresponsive. When a "ps aux" call actually goes through, one can see that the CPU is busy with ~100 % interrupt handling. This is what I would like to profile with pmcstat, but the arge functions do not show up as functions with high load, which is not really what I expect at this point, since the interrupt definitely has to do with the LAN load. Any suggestions on how to profile the arge driver? Best regards, Josef Larsson --AgURqJgTsVAjDZfo69oAgTUCOIuXR56Rk-- --z3GL2fKPqAIE6rLHluqeIG5aeTkvCLqIR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEXOZ5DdYY2uMl8/NHxUD9C+gJpGAFAlrsJ1YACgkQxUD9C+gJ pGDSZA//VmPvWS9AfmOU063VP+KYthYoCyoYbLSbKxcPZUwy6/QOKa0K24wIU+T1 EvFdZZEyoMTt5Vv/Vt9GThp/Hm2ZBAQoPiluKY055WCo0A81qKODC6ZXODGp+fdY xdd/Lj+Tuv6YuBgDkEc7UmrRNBOYyhcF3khbC6JKFrgzXjbPekFOQtbyGCanaPTe 8KpISXpnYpSVnTZ5TjUmOQDhKt7ex0Mu4B/vDAvrZIhek3wUz7lW7Qp0VhtpidHn l4M7iWlikm+/uwKr3mL+m9EuwhesDU9pt7CITDc1f5cA0Jw5i9OowtGYzuyRf62z PIW0n86lCGJfXIxDxrSeows+9DzY7QWLVDtGM90F2GtIQ7pM3RWUBD5m7b1a7yHh iHsCSzT+hLMceQvb1SG/e/f/sHWoZZkMcTA22iIBwykDn7l/CX73IZYF4KSbq5Vq cp+3fKetggAlC3xeV9+a52flra0c+gw5/AgfUnz6SyOZ9k8U2i8kk4cml4fBzB+p Js1nYetLy06651mA4ran7LBkgKbexDI5h9+Y9XBiRlYQ6Uz0neg/7iVmztU4xaJ5 Qb7DEAxnS5Fqx7MNb9tC+86ua/ETxuemZMpOmXLoU0gAbo/Sqav3h82npGnktVKX fRCKvxklJS9Yr0zHtcEl9ThCly18Msm+i+mo3xiW0OlFQc8hvro= =ZqzT -----END PGP SIGNATURE----- --z3GL2fKPqAIE6rLHluqeIG5aeTkvCLqIR--