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authorTejun Heo <tj@kernel.org>2019-09-04 21:45:56 +0200
committerJens Axboe <axboe@kernel.dk>2019-09-10 20:31:39 +0200
commit7c1ee704a1d6450f92372d57f5b76a458b51c1d4 (patch)
treecdb9966b5b5097f711ee380ab6bb8c4cf6cdbaae /tools/cgroup
parentiocost_monitor: Report more info with higher accuracy (diff)
downloadlinux-7c1ee704a1d6450f92372d57f5b76a458b51c1d4.tar.xz
linux-7c1ee704a1d6450f92372d57f5b76a458b51c1d4.zip
iocost_monitor: Report debt
Report debt and rename del_ms row to delay for consistency. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/cgroup')
-rw-r--r--tools/cgroup/iocost_monitor.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py
index 5d8bac603ffa..f79b23582a1d 100644
--- a/tools/cgroup/iocost_monitor.py
+++ b/tools/cgroup/iocost_monitor.py
@@ -135,7 +135,7 @@ class IocStat:
def table_header_str(self):
return f'{"":25} active {"weight":>9} {"hweight%":>13} {"inflt%":>6} ' \
- f'{"del_ms":>6} {"usages%"}'
+ f'{"dbt":>3} {"delay":>6} {"usages%"}'
class IocgStat:
def __init__(self, iocg):
@@ -159,6 +159,7 @@ class IocgStat:
else:
self.inflight_pct = 0
+ self.debt_ms = iocg.abs_vdebt.counter.value_() / VTIME_PER_USEC / 1000
self.use_delay = blkg.use_delay.counter.value_()
self.delay_ms = blkg.delay_nsec.counter.value_() / 1_000_000
@@ -181,6 +182,7 @@ class IocgStat:
'hweight_active_pct' : str(self.hwa_pct),
'hweight_inuse_pct' : str(self.hwi_pct),
'inflight_pct' : str(self.inflight_pct),
+ 'debt_ms' : str(self.debt_ms),
'use_delay' : str(self.use_delay),
'delay_ms' : str(self.delay_ms),
'usage_pct' : str(self.usage),
@@ -195,6 +197,7 @@ class IocgStat:
f'{self.inuse:5}/{self.active:5} ' \
f'{self.hwi_pct:6.2f}/{self.hwa_pct:6.2f} ' \
f'{self.inflight_pct:6.2f} ' \
+ f'{min(math.ceil(self.debt_ms), 999):3} ' \
f'{min(self.use_delay, 99):2}*'\
f'{min(math.ceil(self.delay_ms), 999):03} '
for u in self.usages: