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When a trigger being created, its win.start_value and win.start_time are reset to zero. If group->total[PSI_POLL][t->state] has accumulated before, this trigger will be fired unexpectedly in the next period, even if its growth time does not reach its threshold. So set the window of the new trigger to the current state value. Signed-off-by: Hailong Liu <liuhailong@linux.alibaba.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Suren Baghdasaryan <surenb@google.com> Link: https://lore.kernel.org/r/1648789811-3788971-1-git-send-email-liuhailong@linux.alibaba.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.