{"updated":"2025-01-20T07:02:22.144154+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00174102","sets":["1164:1867:8531:8881"]},"path":["8881"],"owner":"11","recid":"174102","title":["Lock-Holder Preemptionに対するPause Loop Exitingの限界に関する調査"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-08-01"},"_buckets":{"deposit":"81dc9d12-2a9c-4fa2-8180-1c16fd7a5292"},"_deposit":{"id":"174102","pid":{"type":"depid","value":"174102","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"Lock-Holder Preemptionに対するPause Loop Exitingの限界に関する調査","author_link":["356109","356110"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Lock-Holder Preemptionに対するPause Loop Exitingの限界に関する調査"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"VMM","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2016-08-01","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"慶應義塾大学"},{"subitem_text_value":"慶應義塾大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Keio University","subitem_text_language":"en"},{"subitem_text_value":"Keio University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/174102/files/IPSJ-OS16138012.pdf","label":"IPSJ-OS16138012.pdf"},"date":[{"dateType":"Available","dateValue":"2018-08-01"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS16138012.pdf","filesize":[{"value":"563.4 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"41c61e41-f38a-4655-9c1e-f90a8ec603fe","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2016 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"山崎, 修平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河野, 健二"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10444176","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8795","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年，仮想化環境は広く使用されるようになっている．複数のマシンを動かすためにはハードウェア等の物理資源を仮想化して使用する必要があり，ハイパーバイザ型の仮想化ではハイパーバイザが物理資源を管理する．この様な環境ではスピンロックを獲得することができない仮想 CPU (仮想 CPU) が長期間ビジーウェイトしたままになってしまう Lock-Holder Preemption (LHP) という問題が発生することが知られている．この様な問題に対して，いくつかのハードウェアでは一定時間以上のビジーウェイトした場合にはハイパーバイザに制御を移すような機能が追加されている．Intel ではこれを Pause Loop Exiting (PLE) という．しかし，PLE を利用するだけでは LHP の完全な対策になっておらず，PLE が頻発することによってオーバーヘッドが掛かることがある．本論文では PLE の発生状況と，それに対するスピンロックの獲得状況を分析し，より効率よく PLE を使用するための新しい仮想 CPU スケジューリングの方法について提案する．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告システムソフトウェアとオペレーティング・システム（OS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2016-08-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"12","bibliographicVolumeNumber":"2016-OS-138"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:44:20.261341+00:00","id":174102,"links":{}}