On Tue, 12 Sep 2023 19:20:16 GMT, Aleksey Shipilev <sh...@openjdk.org> wrote:
> Similar to [JDK-8315437](https://bugs.openjdk.org/browse/JDK-8315437), > current vmTestbase/nsk/monitoring/stress/lowmem tests contains 36 tests, each > running exclusively. This drags the tier4 test times up. There seem to be no > reason to run these tests exclusively, though: they complete in reasonable > time, are moderately-threaded, and consume the usual amount of memory. > > We should consider enabling parallelism for them and get improved test > performance. Currently it is blocked by TEST.properties with > exclusiveAccess.dirs directives in them. > > Current run on 18-core machine: > 6385.39s user 8568.61s system 1308% cpu 19:02.97 total > > Fully parallel: > 3885.67s user 295.13s system 2772% cpu 2:30.77 total > > Additional testing: > - [x] 100x Linux x86_64 fastdebug, `vmTestbase/nsk/monitoring/stress/lowmem` This pull request has now been integrated. Changeset: 4421951d Author: Aleksey Shipilev <sh...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/4421951d8f1c6fb16255851a803252fe96a453e5 Stats: 828 lines in 36 files changed: 0 ins; 828 del; 0 mod 8316142: Enable parallelism in vmTestbase/nsk/monitoring/stress/lowmem tests Reviewed-by: lmesnik, cjplummer ------------- PR: https://git.openjdk.org/jdk/pull/15689
