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GitWeb","url":"https://github.com/LineageOS/android_kernel_essential_msm8998/commit/ae168bd7c5709c5c57945298f2c10b2fcb3d8779"}]}],"author":{"name":"Brendan Jackman","email":"brendan.jackman@arm.com","date":"2017-08-14 13:26:31.000000000","tz":60},"committer":{"name":"Dan Pasanen","email":"dan.pasanen@gmail.com","date":"2018-03-01 18:38:44.000000000","tz":-360},"subject":"ANDROID: sched: Disable TTWU_QUEUE by default","message":"ANDROID: sched: Disable TTWU_QUEUE by default\n\nTTWU_QUEUE means that when waking up a task on a remote CPU with\nwhich we don\u0027t share a cache, instead of directly enqueueing on that\nCPU we instead send an IPI asking that CPU to do the enqueue. 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That means the target CPU\u0027s load hasn\u0027t been changed, likely\nresulting in unnecessarily coscheduling of tasks, which can impact\nbenchmark scores.\n\nThe assumption here is that the rq lock contention poses only a\nminimal thread on Android devices which typically have relatively few\nCPUs, so this tradeoff for better task placement makes sense.\n\nChange-Id: I18db618885618d3c03450e552d9e92aafacd8298\nSigned-off-by: Brendan Jackman \u003cbrendan.jackman@arm.com\u003e\nSigned-off-by: Chris Redpath \u003cchris.redpath@arm.com\u003e\n(cherry picked from commit 434fdfed3dfe99e5e39e76c40e076a514786dbf8)\n","web_links":[{"name":"GitHub","tooltip":"Open in GitWeb","url":"https://github.com/LineageOS/android_kernel_essential_msm8998/commit/574dacaf72dff04da25e1cf357c900756b83df6b"}],"resolve_conflicts_web_links":[{"name":"GitHub","tooltip":"Open in GitWeb","url":"https://github.com/LineageOS/android_kernel_essential_msm8998/commit/574dacaf72dff04da25e1cf357c900756b83df6b"}]},"parents_data":[{"branch_name":"refs/heads/lineage-15.1","commit_id":"ae168bd7c5709c5c57945298f2c10b2fcb3d8779","is_merged_in_target_branch":false,"change_id":"I8a3ac81028d419b6171bab4f6d7176b9b48925c6","change_number":208189,"patch_set_number":1,"change_status":"ABANDONED"}],"branch":"refs/heads/lineage-15.1"}},"requirements":[],"submit_records":[],"submit_requirements":[]}