Date: Wed, 15 Jan 2003 03:28:41 -0800 From: Lars Eggert <larse@ISI.EDU> To: Dmitry Morozovsky <marck@rinet.ru> Cc: Peter Wemm <peter@wemm.org>, cvs-all@FreeBSD.ORG, Nate Lawson <njl@FreeBSD.ORG> Subject: Re: cvs commit: src/sys/dev/acpica acpi_cpu.c Message-ID: <3E2545E9.3080803@isi.edu> In-Reply-To: <20030114230057.81B422A89E@canning.wemm.org> References: <20030114230057.81B422A89E@canning.wemm.org> <20030115144353.U70329@woozle.rinet.ru>
next in thread | previous in thread | raw e-mail | index | archive | help
This is a cryptographically signed message in MIME format. --------------ms010603050109080508050109 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit On Tue, 14 Jan 2003, Peter Wemm wrote: > > FWIW, we see a (measured) difference of about 50W on 2.2GHz P4's > simply by turning machdep.cpu_idle_hlt on and off. I expect the > clock throttling would make similar differences. For 1U > rack-mount systems (especially in California) this is a Big Deal. Since the AC in my office has a hard time with four new Dell SMPs, would setting machdep.cpu_idle_hlt=1 translate to making them run cooler? They have a pretty bursty workload, so many times they're idle, and sometimes fully loaded - does the hlt setting affect performance? Thanks, Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms010603050109080508050109 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw MDBaFw0wNDA4MjcyMzU5NTlaMIGSMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBD YXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUQ2Vy dGlmaWNhdGUgU2VydmljZXMxKDAmBgNVBAMTH1BlcnNvbmFsIEZyZWVtYWlsIFJTQSAyMDAw LjguMzAwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAN4zMqZjxwklRT7SbngnZ4HF2ogZ gpcO40QpimM1Km1wPPrcrvfudG8wvDOQf/k0caCjbZjxw0+iZdsN+kvx1t1hpfmFzVWaNRqd knWoJ67Ycvm6AvbXsJHeHOmr4BgDqHxDQlBRh4M88Dm0m1SKE4f/s5udSWYALQmJ7JRr6aFp AgMBAAGjTjBMMCkGA1UdEQQiMCCkHjAcMRowGAYDVQQDExFQcml2YXRlTGFiZWwxLTI5NzAS BgNVHRMBAf8ECDAGAQH/AgEAMAsGA1UdDwQEAwIBBjANBgkqhkiG9w0BAQQFAAOBgQAxsUtH XfkBceX1U2xdedY9mMAmE2KBIqcS+CKV6BtJtyd7BDm6/ObyJOuR+r3sDSo491BVqGz3Da1M G7wD9LXrokefbKIMWI0xQgkRbLAaadErErJAXWr5edDqLiXdiuT82w0fnQLzWtvKPPZE6iZp h39Ins6ln+eE2MliYq0FxjCCAzkwggKioAMCAQICAwglQTANBgkqhkiG9w0BAQQFADCBkjEL MAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTESMBAGA1UEBxMJQ2FwZSBUb3du MQ8wDQYDVQQKEwZUaGF3dGUxHTAbBgNVBAsTFENlcnRpZmljYXRlIFNlcnZpY2VzMSgwJgYD VQQDEx9QZXJzb25hbCBGcmVlbWFpbCBSU0EgMjAwMC44LjMwMB4XDTAyMDgyNDE4NTMzOVoX DTAzMDgyNDE4NTMzOVowVDEPMA0GA1UEBBMGRWdnZXJ0MQ0wCwYDVQQqEwRMYXJzMRQwEgYD VQQDEwtMYXJzIEVnZ2VydDEcMBoGCSqGSIb3DQEJARYNbGFyc2VAaXNpLmVkdTCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBANI2Rrt4ggaQ/IrOsDeOm2H4/R5FRIL6JjDY3StE aogp1r23WKniQ1Vj98Nu5WxlaZ3Iam3Jen5T66H8u7rtMNpK4qAeAGoBsVeyVr1+CTFeuv+m xCh7BvBJwhLdm0zDaoDT05YKYZaqtsT+F286FWJQg31Xtf+vTKLVVrHcsafnteyal2NEt7Ac yZZfjsVLwxp2Lq3cwYfRQRoo7/yCVzS7HsgM6jmbO4taEMo4yC2rpnUbWEUCDTaCYgpAXzAl oiNk7GDh0wz2s5ZSnHRvNSBMAjCmpNtSYHfXFI1ANwrrrHIJ7Ei83+XN32PWY4OPzO3iown9 VR+vM+8lNx9OX28CAwEAAaNWMFQwKgYFK2UBBAEEITAfAgEAMBowGAIBBAQTTDJ1TXlmZkJO VWJOSkpjZFoyczAYBgNVHREEETAPgQ1sYXJzZUBpc2kuZWR1MAwGA1UdEwEB/wQCMAAwDQYJ KoZIhvcNAQEEBQADgYEAXcrIlKmPLM/r8r3oz2ZLPLaT1AyMjYTZY2qq/R7SUtFa9BNlTIFh DG78QKfJ9lo2LMzTPQqMZgNLmj95GbNPI8P8OIq2K6MeCZWz08ROackqTFP6xWbIFIfXcBVR 1dZnDDyDKBBh05KkvyTPawSQyOBUeNBfQUyO4TE+3o58U8UwggM5MIICoqADAgECAgMIJUEw DQYJKoZIhvcNAQEEBQAwgZIxCzAJBgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUx EjAQBgNVBAcTCUNhcGUgVG93bjEPMA0GA1UEChMGVGhhd3RlMR0wGwYDVQQLExRDZXJ0aWZp Y2F0ZSBTZXJ2aWNlczEoMCYGA1UEAxMfUGVyc29uYWwgRnJlZW1haWwgUlNBIDIwMDAuOC4z MDAeFw0wMjA4MjQxODUzMzlaFw0wMzA4MjQxODUzMzlaMFQxDzANBgNVBAQTBkVnZ2VydDEN MAsGA1UEKhMETGFyczEUMBIGA1UEAxMLTGFycyBFZ2dlcnQxHDAaBgkqhkiG9w0BCQEWDWxh cnNlQGlzaS5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDSNka7eIIGkPyK zrA3jpth+P0eRUSC+iYw2N0rRGqIKda9t1ip4kNVY/fDbuVsZWmdyGptyXp+U+uh/Lu67TDa SuKgHgBqAbFXsla9fgkxXrr/psQoewbwScIS3ZtMw2qA09OWCmGWqrbE/hdvOhViUIN9V7X/ r0yi1Vax3LGn57XsmpdjRLewHMmWX47FS8Madi6t3MGH0UEaKO/8glc0ux7IDOo5mzuLWhDK OMgtq6Z1G1hFAg02gmIKQF8wJaIjZOxg4dMM9rOWUpx0bzUgTAIwpqTbUmB31xSNQDcK66xy CexIvN/lzd9j1mODj8zt4qMJ/VUfrzPvJTcfTl9vAgMBAAGjVjBUMCoGBStlAQQBBCEwHwIB ADAaMBgCAQQEE0wydU15ZmZCTlViTkpKY2RaMnMwGAYDVR0RBBEwD4ENbGFyc2VAaXNpLmVk dTAMBgNVHRMBAf8EAjAAMA0GCSqGSIb3DQEBBAUAA4GBAF3KyJSpjyzP6/K96M9mSzy2k9QM jI2E2WNqqv0e0lLRWvQTZUyBYQxu/ECnyfZaNizM0z0KjGYDS5o/eRmzTyPD/DiKtiujHgmV s9PETmnJKkxT+sVmyBSH13AVUdXWZww8gygQYdOSpL8kz2sEkMjgVHjQX0FMjuExPt6OfFPF MYID1TCCA9ECAQEwgZowgZIxCzAJBgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUx EjAQBgNVBAcTCUNhcGUgVG93bjEPMA0GA1UEChMGVGhhd3RlMR0wGwYDVQQLExRDZXJ0aWZp Y2F0ZSBTZXJ2aWNlczEoMCYGA1UEAxMfUGVyc29uYWwgRnJlZW1haWwgUlNBIDIwMDAuOC4z MAIDCCVBMAkGBSsOAwIaBQCgggIPMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZI hvcNAQkFMQ8XDTAzMDExNTExMjg0MVowIwYJKoZIhvcNAQkEMRYEFJAWvuzl6ohQfYxNYiJC 8JVYtA5pMFIGCSqGSIb3DQEJDzFFMEMwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0G CCqGSIb3DQMCAgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIGrBgkrBgEEAYI3EAQxgZ0w gZowgZIxCzAJBgNVBAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNh cGUgVG93bjEPMA0GA1UEChMGVGhhd3RlMR0wGwYDVQQLExRDZXJ0aWZpY2F0ZSBTZXJ2aWNl czEoMCYGA1UEAxMfUGVyc29uYWwgRnJlZW1haWwgUlNBIDIwMDAuOC4zMAIDCCVBMIGtBgsq hkiG9w0BCRACCzGBnaCBmjCBkjELMAkGA1UEBhMCWkExFTATBgNVBAgTDFdlc3Rlcm4gQ2Fw ZTESMBAGA1UEBxMJQ2FwZSBUb3duMQ8wDQYDVQQKEwZUaGF3dGUxHTAbBgNVBAsTFENlcnRp ZmljYXRlIFNlcnZpY2VzMSgwJgYDVQQDEx9QZXJzb25hbCBGcmVlbWFpbCBSU0EgMjAwMC44 LjMwAgMIJUEwDQYJKoZIhvcNAQEBBQAEggEAGfBdEYDN7YA/sawgH0u96wGNbfmpdMgqo6N8 Bvs/RPsgzWo3bcjKVsV17quuIvl4fQbpCcno3MCPu6C6Q6hBiZfynazCT9nOlDQsQKZbWU8C LEZ9CAVld0DK4iLzggy+ZnUM3lgOsQRjtiBAdBJqUUS5bHEoF16KeUBtYc31JTM8gKrtvl3B 64qRUUM6pvjwWvbS5fBdSrg7dDg/JRmy2Dnas080KSLAPCUyO8YY2V+301zGi3auWWVKQBhk uxVYEh9IFbM2Yp/TMXBGF8TIt6m15HsgKnlXNG9FOidDfycpRiCna3HnoKm8zdaqPNCcNVvV CDdqlxRWDrV0KjPZ9wAAAAAAAA== --------------ms010603050109080508050109-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3E2545E9.3080803>