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8191768: Introduce a concurrency factor to be able to scale up or down jtreg concurrency when running Hotspot tests

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Reviewed-by: erikj
This commit is contained in:
Christian Tornqvist 2017-11-22 14:31:48 -05:00
parent a7c84b45b4
commit cd0c6d0fae
1 changed files with 5 additions and 1 deletions
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6
test/hotspot/jtreg/Makefile
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@ -62,8 +62,12 @@ ifeq ($(findstring CYGWIN,$(UNAME_S)), CYGWIN)
endif
endif
ifndef CONCURRENCY_FACTOR
CONCURRENCY_FACTOR = 1
endif
# Concurrency based on min(cores / 2, 12)
CONCURRENCY := $(shell expr $(NUM_CORES) / 2)
CONCURRENCY := $(shell awk 'BEGIN { printf "%.0f", $(NUM_CORES) / 2 * $(CONCURRENCY_FACTOR) }')
ifeq ($(CONCURRENCY), 0)
CONCURRENCY := 1
else ifeq ($(shell expr $(CONCURRENCY) \> 12), 1)