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When exit abnormally in process mode, customize SIGINT and SIGTERM signal handler to kill the forked child processes. Before: # perf bench sched messaging -l 1000000 -g 1 & [1] 8519 # # Running 'sched/messaging' benchmark: # pgrep sched-messaging | wc -l 41 # kill -15 8519 [1]+ Terminated perf bench sched messaging -l 1000000 -g 1 # pgrep sched-messaging | wc -l 40 After: # perf bench sched messaging -l 1000000 -g 1 & [1] 8472 # # Running 'sched/messaging' benchmark: # pgrep sched-messaging | wc -l 41 # kill -15 8472 [1]+ Exit 1 perf bench sched messaging -l 1000000 -g 1 # pgrep sched-messaging | wc -l 0 Signed-off-by: Yang Jihong <yangjihong1@huawei.com> Reviewed-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20230923093037.961232-5-yangjihong1@huawei.com [ namhyung: fix a whitespace ] Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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.