Implement decay-based unused dirty page purging.

This is an alternative to the existing ratio-based unused dirty page
purging, and is intended to eventually become the sole purging
mechanism.

Add mallctls:
- opt.purge
- opt.decay_time
- arena.<i>.decay
- arena.<i>.decay_time
- arenas.decay_time
- stats.arenas.<i>.decay_time

This resolves #325.
This commit is contained in:
Jason Evans
2016-02-19 20:09:31 -08:00
parent 8e82af1166
commit 243f7a0508
18 changed files with 1268 additions and 112 deletions

View File

@@ -121,6 +121,7 @@ C_UTIL_INTEGRATION_SRCS := $(srcroot)src/time.c $(srcroot)src/util.c
TESTS_UNIT := $(srcroot)test/unit/atomic.c \
$(srcroot)test/unit/bitmap.c \
$(srcroot)test/unit/ckh.c \
$(srcroot)test/unit/decay.c \
$(srcroot)test/unit/hash.c \
$(srcroot)test/unit/junk.c \
$(srcroot)test/unit/junk_alloc.c \
@@ -354,18 +355,22 @@ stress_dir:
check_dir: check_unit_dir check_integration_dir
check_unit: tests_unit check_unit_dir
$(SHELL) $(objroot)test/test.sh $(TESTS_UNIT:$(srcroot)%.c=$(objroot)%)
$(MALLOC_CONF)="purge:ratio" $(SHELL) $(objroot)test/test.sh $(TESTS_UNIT:$(srcroot)%.c=$(objroot)%)
$(MALLOC_CONF)="purge:decay" $(SHELL) $(objroot)test/test.sh $(TESTS_UNIT:$(srcroot)%.c=$(objroot)%)
check_integration_prof: tests_integration check_integration_dir
ifeq ($(enable_prof), 1)
$(MALLOC_CONF)="prof:true" $(SHELL) $(objroot)test/test.sh $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%)
$(MALLOC_CONF)="prof:true,prof_active:false" $(SHELL) $(objroot)test/test.sh $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%)
endif
check_integration_decay: tests_integration check_integration_dir
$(MALLOC_CONF)="purge:decay,decay_time:-1" $(SHELL) $(objroot)test/test.sh $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%)
$(MALLOC_CONF)="purge:decay,decay_time:0" $(SHELL) $(objroot)test/test.sh $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%)
$(MALLOC_CONF)="purge:decay" $(SHELL) $(objroot)test/test.sh $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%)
check_integration: tests_integration check_integration_dir
$(SHELL) $(objroot)test/test.sh $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%)
stress: tests_stress stress_dir
$(SHELL) $(objroot)test/test.sh $(TESTS_STRESS:$(srcroot)%.c=$(objroot)%)
check: tests check_dir check_integration_prof
$(SHELL) $(objroot)test/test.sh $(TESTS_UNIT:$(srcroot)%.c=$(objroot)%) $(TESTS_INTEGRATION:$(srcroot)%.c=$(objroot)%)
check: check_unit check_integration check_integration_decay check_integration_prof
ifeq ($(enable_code_coverage), 1)
coverage_unit: check_unit