204210 2019-11-14 16:38:33 -0800 Add SPI to clear web process cache 2019-11-15 19:16:00 -0800 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 nham nham beidson cdumez commit-queue koivisto nham webkit-bug-importer oldest_to_newest 1590371 0 nham 2019-11-14 16:38:33 -0800 We should add an SPI to kill cached web processes. The intended use case is to add a lukewarm mode to Mac PLT5 in which web pages load in a new WebProcess but load resources from the disk cache. Currently the warm run of PLT5 is small enough to fit inside the Mac's process pool size, so we only end up exercising the memory cache in the cached WebProcess when loading resources. 1590375 1 383584 nham 2019-11-14 16:50:56 -0800 Created attachment 383584 Patch 1590500 2 383584 cdumez 2019-11-15 08:07:40 -0800 Comment on attachment 383584 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=383584&action=review > Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm:527 > + bool shouldTerminateCached = process->isInProcessCache() && (type & _WKWebProcessTerminationTypeCached); Calling WebProcessCache::clear() would do the right thing for clearing the process cache. Also, is there really value to clearing the prewarmed process? 1590501 3 383584 cdumez 2019-11-15 08:11:03 -0800 Comment on attachment 383584 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=383584&action=review > Source/WebKit/ChangeLog:3 > + Add SPI to clear web process cache The patch does more that that. 1590561 4 383630 nham 2019-11-15 11:17:18 -0800 Created attachment 383630 Patch 1590567 5 383630 nham 2019-11-15 11:19:01 -0800 Comment on attachment 383630 Patch remove option to kill prewarmed process 1590588 6 383630 cdumez 2019-11-15 11:43:20 -0800 Comment on attachment 383630 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=383630&action=review > Source/WebKit/UIProcess/API/Cocoa/WKProcessPool.mm:472 > +- (void)_terminateCachedWebProcesses I would call this _clearWebProcessCache 1590619 7 383636 nham 2019-11-15 12:59:32 -0800 Created attachment 383636 Patch 1590620 8 383636 nham 2019-11-15 12:59:59 -0800 Comment on attachment 383636 Patch change method name 1590640 9 383636 commit-queue 2019-11-15 13:51:59 -0800 Comment on attachment 383636 Patch Clearing flags on attachment: 383636 Committed r252500: <https://trac.webkit.org/changeset/252500> 1590641 10 commit-queue 2019-11-15 13:52:01 -0800 All reviewed patches have been landed. Closing bug. 1590642 11 webkit-bug-importer 2019-11-15 13:52:17 -0800 <rdar://problem/57239080> 383584 2019-11-14 16:50:56 -0800 2019-11-15 11:17:17 -0800 Patch bug-204210-20191114165055.patch text/plain 3014 nham U3VidmVyc2lvbiBSZXZpc2lvbjogMjUyMzM5CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IGNlYTJkZDc0YjlhYTgzZWJi ZTU2MzA5ZTA1MGFlMjZkODE5NmQ5YzIuLjEwYWE1ZjAxZjRiNGNlMWNhOTk3Njk1MjhkYWRkZDQz MzQxNTA2ZmUgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMTggQEAKKzIwMTktMTEtMTQgIEJlbmphbWlu IE5oYW0gIDxuaGFtQGFwcGxlLmNvbT4KKworICAgICAgICBBZGQgU1BJIHRvIGNsZWFyIHdlYiBw cm9jZXNzIGNhY2hlCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNn aT9pZD0yMDQyMTAKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAg ICAgICBUaGlzIGFkZHMgYW4gU1BJIHRvIGNsZWFyIGNhY2hlZCB3ZWIgcHJvY2Vzc2VzLiBUaGUg aW50ZW5kZWQgdXNlIGNhc2UgaXMgdG8gYWRkIGEgbHVrZXdhcm0gbW9kZSB0bworICAgICAgICBN 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