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| author | Chengming Zhou <zhouchengming@bytedance.com> | 2020-07-30 15:31:04 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-07-30 20:45:29 +0300 |
| commit | 1bf6ece5731db14f1556637494d2048a8bb15a41 (patch) | |
| tree | aa7e182e5cb6d4cd12fbb3145adbaa2faa00858b /tools/cgroup/iocost_monitor.py | |
| parent | d9012a59db54442d5b2fcfdfcded35cf566397d3 (diff) | |
| download | linux-1bf6ece5731db14f1556637494d2048a8bb15a41.tar.xz | |
iocost_monitor: start from the oldest usage index
iocg usage_idx is the latest usage index, we should start from the
oldest usage index to show the consecutive NR_USAGE_SLOTS usages.
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/cgroup/iocost_monitor.py')
| -rw-r--r-- | tools/cgroup/iocost_monitor.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py index 3c21de88af9e..f4699f9b46ba 100644 --- a/tools/cgroup/iocost_monitor.py +++ b/tools/cgroup/iocost_monitor.py @@ -173,7 +173,7 @@ class IocgStat: self.usages = [] self.usage = 0 for i in range(NR_USAGE_SLOTS): - usage = iocg.usages[(usage_idx + i) % NR_USAGE_SLOTS].value_() + usage = iocg.usages[(usage_idx + 1 + i) % NR_USAGE_SLOTS].value_() upct = usage * 100 / HWEIGHT_WHOLE self.usages.append(upct) self.usage = max(self.usage, upct) |