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There are timing issues in the use of threads in some selftests for futexes as the tests rely on timed waits to ensure that the other test thread[s] reached the lock wait function in the kernel. That "works" on halfways idle systems, but fails under load which results in tests failing. Provide a set of helper functions to create test threads and to wait for them to reach the lock wait by monitoring /proc/$PID/wchan. [ tglx: Fixup coding style, move the timeout into the helper, adapt to test harness changes and massage change log ] Signed-off-by: Yuwen Chen <ywen.chen@foxmail.com> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Link: https://patch.msgid.link/tencent_4C90BE98BBC48B38B9FBC6A95C45CF49F309@qq.com |
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| .. | ||
| atomic.h | ||
| futex_thread.h | ||
| futex2test.h | ||
| futextest.h | ||