diff options
author | Jean-Philippe Brucker <jean-philippe@linaro.org> | 2021-05-31 11:56:50 +0200 |
---|---|---|
committer | Will Deacon <will@kernel.org> | 2021-06-08 12:35:55 +0100 |
commit | 9cff922bba429b310507eac3b6cb5eb1b57e9ad1 (patch) | |
tree | be546ef596580b480bd6398d12b0fc8e58acefa6 /tools/perf/scripts/python/export-to-sqlite.py | |
parent | 395ad89d11fd93f79a6b942e91fc409807a63c4b (diff) |
iommu/arm-smmu-v3: Ratelimit event dump
When a device or driver misbehaves, it is possible to receive DMA fault
events much faster than we can print them out, causing a lock up of the
system and inability to cancel the source of the problem. Ratelimit
printing of events to help recovery.
Tested-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20210531095648.118282-1-jean-philippe@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions