* [lkp] [+438 bytes kernel size regression] [i386-tinyconfig] [158190cd35] sched/fair: Add avg_vruntime
@ 2023-03-26 17:45 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-26 17:45 UTC (permalink / raw)
To: Peter Zijlstra, Peter Zijlstra; +Cc: Josh Triplett, lkp, oe-kbuild-all
FYI, we noticed a +438 bytes kernel size regression due to commit:
commit: 158190cd358e8de9eea36341f47c2393f4edd22e (sched/fair: Add avg_vruntime)
https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git sched/eevdf
Details as below (size data is obtained by `nm --size-sort vmlinux`):
26019bab: sched/fair: Add sched group latency support
158190cd: sched/fair: Add avg_vruntime
+--------------------------+----------+----------+-------+
| symbol | 26019bab | 158190cd | delta |
+--------------------------+----------+----------+-------+
| bzImage | 501856 | 502048 | 192 |
| nm.T.reweight_task | 105 | 249 | 144 |
| nm.T.avg_vruntime | 0 | 122 | 122 |
| nm.t.__dequeue_entity | 0 | 86 | 86 |
| nm.t.update_min_vruntime | 181 | 252 | 71 |
| nm.t.__enqueue_entity | 93 | 152 | 59 |
| nm.t.set_next_entity | 64 | 58 | -6 |
| nm.t.dequeue_task_fair | 228 | 222 | -6 |
| nm.t.rb_erase_cached | 32 | 0 | -32 |
+--------------------------+----------+----------+-------+
Thanks
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