Date: Fri, 07 Nov 2003 13:28:31 -0800 From: Lars Eggert <larse@ISI.EDU> To: John Baldwin <jhb@FreeBSD.org> Cc: current@freebsd.org Subject: Re: New interrupt code slows hyperthreading down Message-ID: <3FAC0E7F.9040607@isi.edu> In-Reply-To: <XFMail.20031107161731.jhb@FreeBSD.org> References: <XFMail.20031107161731.jhb@FreeBSD.org>
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This is a cryptographically signed message in MIME format. --------------ms010908060108090206020403 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit John Baldwin wrote: > On 07-Nov-2003 Lars Eggert wrote: > >>Jens Rehsack wrote: >> >>>interrupt total rate >>>irq1: atkbd0 512 2 >>>irq8: rtc 23419 127 >>>irq13: npx0 1 0 >>>irq14: ata0 4422 24 >>>irq15: ata1 82 0 >>>irq16: uhci0 uhci3 5379815 29238 >> >>This looks similar to what I described in the "fwohci0 running wild" >>thread. In both cases, irq16 seems to cause the problem... > > Really. Does this only happen with ACPI enabled? Don't know about "only", since I have never booted this machine without ACPI. I'll test next time I'm rebooting. Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms010908060108090206020403 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 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