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| author |   Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2013-08-06 17:36:41 +0900 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2013-09-02 08:26:59 +0200 |
| commit | 95a79b805b935f4a7b685aa8a117d916c638323e (patch) | |
| tree | e9c7380555d30bf5eea04219aba179696c82b7e5 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | sched/cputime: Use this_cpu_add() in task_group_account_field() (diff) | |
| download | linux-dev-95a79b805b935f4a7b685aa8a117d916c638323e.tar.xz linux-dev-95a79b805b935f4a7b685aa8a117d916c638323e.zip | |
sched: Remove one division operation in find_busiest_queue()
Remove one division operation in find_busiest_queue() by using
crosswise multiplication:
wl_i / power_i > wl_j / power_j :=
wl_i * power_j > wl_j * power_i
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
[ Expanded the changelog. ]
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1375778203-31343-2-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions