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threading_model.md: Improve UI freeze diagrams by presenting a frozen UI update action

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Karol Lewandowski 2025-02-13 12:37:19 +01:00
parent 9ee3556970
commit 0c020f4e83
1 changed files with 11 additions and 9 deletions
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topics/basics/architectural_overview/threading_model.md
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@ -483,11 +483,12 @@ gantt
%% do not remove trailing space in axisFormat: %% do not remove trailing space in axisFormat:
axisFormat ‎ axisFormat ‎
section BGT section BGT
very long read action : 0, 4 very long read action : 0, 6
section EDT section EDT
write action (waiting for the lock) : done, 1, 4 write action (waiting for the lock) : done, 2, 6
write action (executing) : 4, 5 write action (executing) : 6, 8
UI freeze : crit, 1, 5 UI freeze : crit, 2, 8
UI update (frozen) : crit, 8, 10
``` ```
Sometimes, it is required to run a long read action, and it isn't possible to speed it up. Sometimes, it is required to run a long read action, and it isn't possible to speed it up.
@ -502,12 +503,13 @@ gantt
%% do not remove trailing space in axisFormat: %% do not remove trailing space in axisFormat:
axisFormat ‎ axisFormat ‎
section BGT section BGT
very long read action : 0, 1 very long read action : 0, 2
very long read action (2nd attempt) : 2, 5 very long read action (2nd attempt) : 4, 10
RA canceled : milestone, crit, 0, 2 RA canceled : milestone, crit, 0, 4
RA restarted from scratch : milestone, 2, 2 RA restarted from scratch : milestone, 4, 4
section EDT section EDT
write action : 1, 2 write action : 2, 4
UI update : 4, 6
``` ```
In this case, the EDT won't be blocked and the UI freeze is avoided. In this case, the EDT won't be blocked and the UI freeze is avoided.