Messages in this thread | | | Date | Mon, 23 Nov 2015 12:38:21 -0500 (EST) | Subject | Re: [PATCH v2 0/4] improve fault-tolerance of rhashtable runtime-test | From | David Miller <> |
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From: Phil Sutter <phil@nwl.cc> Date: Fri, 20 Nov 2015 18:17:16 +0100
> The following series aims to improve lib/test_rhashtable in different > situations: > > Patch 1 allows the kernel to reschedule so the test does not block too > long on slow systems. > Patch 2 fixes behaviour under pressure, retrying inserts in non-permanent > error case (-EBUSY). > Patch 3 auto-adjusts the upper table size limit according to the number > of threads (in concurrency test). In fact, the current default is > already too small. > Patch 4 makes it possible to retry inserts even in supposedly permanent > error case (-ENOMEM) to expose rhashtable's remaining problem of > -ENOMEM being not as permanent as it is expected to be. > > Changes since v1: > - Introduce insert_retry() which is then used in single-threaded test as > well. > - Do not retry inserts by default if -ENOMEM was returned. > - Rename the retry counter to be a bit more verbose about what it > contains. > - Add patch 4 as a debugging aid.
Series applied, thanks Phil.
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