From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [127.0.0.1] (localhost [127.0.0.1]) by petrel.telecom.mipt.ru (Postfix) with ESMTP id 728D8280002E0 for ; Mon, 5 Dec 2005 10:54:39 +0300 (MSK) Message-ID: <4393F23F.4050106@mipt.ru> Date: Mon, 05 Dec 2005 10:54:39 +0300 From: Olleg Samoylov MIME-Version: 1.0 Subject: graphs and memory Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms070608020007090202090008" Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org List-ID: This is a cryptographically signed message in MIME format. --------------ms070608020007090202090008 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi all. This is old question, but I didn't see clear answer yet. I try to draw memory usage graph in rrd tools. My server without swap (4Gb is enough, IMHO). First graph of physical memory. In kernel 2.6.14 Looked like: Cached+MemFree+Mapped+Slab=TotalMemory But is not exactly equal. For instance now Cached+MemFree+Mapped+Slab-TotalMemory=22680 This means I use 22Mb more memory, then I have total. Is this correct? What do I need add or subtract to get total memory? Second graph is cache memory. For early kernels looked like: Active+Inactive=Cached But this is not true now, 2.6.14 for instance. Active+Inactive-Cached=157044 (153Mb) What do I need add or substract to get full picture? May be some kernel guru know answers? -- Olleg Samoylov --------------ms070608020007090202090008 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 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIILHDCC BYowggRyoAMCAQICAQkwDQYJKoZIhvcNAQEEBQAwgeMxCzAJBgNVBAYTAlJVMRYwFAYDVQQI Ew1Nb3Njb3cgcmVnaW9uMRQwEgYDVQQHEwtEb2xnb3BydWRueTFGMEQGA1UEChM9TW9zY293 IEluc3RpdHV0ZSBvZiBQaHlzaWNzIGFuZCBUZWNobm9sb2d5IChTdGF0ZSBVbml2ZXJzaXR5 KTEQMA4GA1UECxMHVGVsZWNvbTEdMBsGA1UEAxMUTUlQVCBUZWxlY29tIFJvb3QgQ0ExLTAr BgkqhkiG9w0BCQEWHk1JUFQgVGVsZWNvbSA8dGVsZWNvbUBtaXB0LnJ1PjAeFw0wNTA1MjMw NzQ1MDlaFw0wNjA2MjcwNzQ1MDlaMIG2MQswCQYDVQQGEwJSVTEWMBQGA1UECBMNTW9zY293 IHJlZ2lvbjFGMEQGA1UEChM9TW9zY293IEluc3RpdHV0ZSBvZiBQaHlzaWNzIGFuZCBUZWNo bm9sb2d5IChTdGF0ZSBVbml2ZXJzaXR5KTEQMA4GA1UECxMHVGVsZWNvbTEXMBUGA1UEAxMO 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