forked from luck/tmp_suning_uos_patched
8085e5ab41
Waker threads in the futex wake-parallel benchmark are started by a loop using pthread_create(). However, there is no synchronization for when the waker threads wake the waiting threads. Comparison of the waker threads' measurement timestamps show they are not all running concurrently because older waker threads finish their task before newer waker threads even start. This patch uses a barrier to better synchronize the waker threads. Signed-off-by: James Yang <james.yang@arm.com Cc: Kim Phillips <kim.phillips@arm.com> Link: http://lkml.kernel.org/r/20171127042101.3659-4-dave@stgolabs.net Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> [ Disable the wake-parallel test for systems without pthread_barrier_t ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| firmware | ||
| fs | ||
| include | ||
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| kernel | ||
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| .cocciconfig | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.