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Build # 1619521664

Build Type

push

gitlab-ci

Committed by danielskinstad

Commit Message

chore: set default work queue stack-size to 6 kB

After analyzing the worst-case stack scenarios for all functions on arm
using `puncover`, we discovered the highest worst-case stack usage was
at 2,328 bytes. Since `puncover` doesn't support xtensa architecture,
we estimated the worst-case scenarios for xtensa in two ways:
1) caluclating the average increase in stack sizes of functions from arm
   to xtensa - which was at ~56%
2) getting the max of the increase percentage. Two functions had a 300%
   (8 -> 32 bytes), but considering that is way above average, it made
   more sense to disregard the extreme outliers; the next highest, which had
   quite a few entries, was at 100%

Considering a 100% increase in some functions, the worst case would be
around ~4.6 kB in xtensa.

6 kB should therefore be sufficient, as it allows the worst case sizes in
arm to grow around 150% on xtensa.

Ticket: MEN-7806

Signed-off-by: Daniel Skinstad Drabitzius <daniel.drabitzius@northern.tech>

Run Details

712 of 2778 relevant lines covered (25.63%)

7.4 hits per line