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authorLinus Torvalds <torvalds@linux-foundation.org>2020-05-10 11:16:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-05-10 11:16:07 -0700
commit0a85ed6e7fce8075bb3090f8eac05ca1000f5969 (patch)
treea3dea96c1d9c827b223e1238b9ed9aecdae6502c /tools
parente99332e7b4cda6e60f5b5916cf9943a79dbef902 (diff)
parent59c7c3caaaf8750df4ec3255082f15eb4e371514 (diff)
Merge tag 'block-5.7-2020-05-09' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: - a small series fixing a use-after-free of bdi name (Christoph,Yufen) - NVMe fix for a regression with the smaller CQ update (Alexey) - NVMe fix for a hang at namespace scanning error recovery (Sagi) - fix race with blk-iocost iocg->abs_vdebt updates (Tejun) * tag 'block-5.7-2020-05-09' of git://git.kernel.dk/linux-block: nvme: fix possible hang when ns scanning fails during error recovery nvme-pci: fix "slimmer CQ head update" bdi: add a ->dev_name field to struct backing_dev_info bdi: use bdi_dev_name() to get device name bdi: move bdi_dev_name out of line vboxsf: don't use the source name in the bdi name iocost: protect iocg->abs_vdebt with iocg->waitq.lock
Diffstat (limited to 'tools')
-rw-r--r--tools/cgroup/iocost_monitor.py7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py
index 7427a5ee761b..9d8e9613008a 100644
--- a/tools/cgroup/iocost_monitor.py
+++ b/tools/cgroup/iocost_monitor.py
@@ -159,7 +159,12 @@ class IocgStat:
else:
self.inflight_pct = 0
- self.debt_ms = iocg.abs_vdebt.counter.value_() / VTIME_PER_USEC / 1000
+ # vdebt used to be an atomic64_t and is now u64, support both
+ try:
+ self.debt_ms = iocg.abs_vdebt.counter.value_() / VTIME_PER_USEC / 1000
+ except:
+ self.debt_ms = iocg.abs_vdebt.value_() / VTIME_PER_USEC / 1000
+
self.use_delay = blkg.use_delay.counter.value_()
self.delay_ms = blkg.delay_nsec.counter.value_() / 1_000_000