On Tue, 22 Oct 2024 19:47:34 +0800 Lance Yang <ioworker0@xxxxxxxxx> wrote: > Hi all, > > This patchset adds a counter, hung_task_detect_count, to track the number of > times hung tasks are detected. This counter provides a straightforward way > to monitor hung task events without manually checking dmesg logs. > > With this counter in place, system issues can be spotted quickly, allowing > admins to step in promptly before system load spikes occur, even if the > hung_task_warnings value has been decreased to 0 well before. > > Recently, we encountered a situation where warnings about hung tasks were > buried in dmesg logs during load spikes. Introducing this counter could > have helped us detect such issues earlier and improve our analysis efficiency. > Isn't the answer to this problem "write a better parser"? I mean, we're providing userspace with information which is already available.
