Remove ratio-based purging.

Make decay-based purging the default (and only) mode.

Remove associated mallctls:
- opt.purge
- opt.lg_dirty_mult
- arena.<i>.lg_dirty_mult
- arenas.lg_dirty_mult
- stats.arenas.<i>.lg_dirty_mult

This resolves #385.

1 files changed, 0 insertions, 77 deletions

diff --git a/test/unit/mallctl.c b/test/unit/mallctl.c
index 1954bfc..ee57dd5 100644
--- a/test/unit/mallctl.c
+++ b/test/unit/mallctl.c
@@ -163,8 +163,6 @@ TEST_BEGIN(test_mallctl_opt)
 	TEST_MALLCTL_OPT(size_t, lg_chunk, always);
 	TEST_MALLCTL_OPT(const char *, dss, always);
 	TEST_MALLCTL_OPT(unsigned, narenas, always);
-	TEST_MALLCTL_OPT(const char *, purge, always);
-	TEST_MALLCTL_OPT(ssize_t, lg_dirty_mult, always);
 	TEST_MALLCTL_OPT(ssize_t, decay_time, always);
 	TEST_MALLCTL_OPT(bool, stats_print, always);
 	TEST_MALLCTL_OPT(const char *, junk, fill);
@@ -349,47 +347,11 @@ TEST_BEGIN(test_thread_arena)
 }
 TEST_END
 
-TEST_BEGIN(test_arena_i_lg_dirty_mult)
-{
-	ssize_t lg_dirty_mult, orig_lg_dirty_mult, prev_lg_dirty_mult;
-	size_t sz = sizeof(ssize_t);
-
-	test_skip_if(opt_purge != purge_mode_ratio);
-
-	assert_d_eq(mallctl("arena.0.lg_dirty_mult", &orig_lg_dirty_mult, &sz,
-	    NULL, 0), 0, "Unexpected mallctl() failure");
-
-	lg_dirty_mult = -2;
-	assert_d_eq(mallctl("arena.0.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	lg_dirty_mult = (sizeof(size_t) << 3);
-	assert_d_eq(mallctl("arena.0.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	for (prev_lg_dirty_mult = orig_lg_dirty_mult, lg_dirty_mult = -1;
-	    lg_dirty_mult < (ssize_t)(sizeof(size_t) << 3); prev_lg_dirty_mult
-	    = lg_dirty_mult, lg_dirty_mult++) {
-		ssize_t old_lg_dirty_mult;
-
-		assert_d_eq(mallctl("arena.0.lg_dirty_mult", &old_lg_dirty_mult,
-		    &sz, &lg_dirty_mult, sizeof(ssize_t)), 0,
-		    "Unexpected mallctl() failure");
-		assert_zd_eq(old_lg_dirty_mult, prev_lg_dirty_mult,
-		    "Unexpected old arena.0.lg_dirty_mult");
-	}
-}
-TEST_END
-
 TEST_BEGIN(test_arena_i_decay_time)
 {
 	ssize_t decay_time, orig_decay_time, prev_decay_time;
 	size_t sz = sizeof(ssize_t);
 
-	test_skip_if(opt_purge != purge_mode_decay);
-
 	assert_d_eq(mallctl("arena.0.decay_time", &orig_decay_time, &sz,
 	    NULL, 0), 0, "Unexpected mallctl() failure");
 
@@ -515,47 +477,11 @@ TEST_BEGIN(test_arenas_initialized)
 }
 TEST_END
 
-TEST_BEGIN(test_arenas_lg_dirty_mult)
-{
-	ssize_t lg_dirty_mult, orig_lg_dirty_mult, prev_lg_dirty_mult;
-	size_t sz = sizeof(ssize_t);
-
-	test_skip_if(opt_purge != purge_mode_ratio);
-
-	assert_d_eq(mallctl("arenas.lg_dirty_mult", &orig_lg_dirty_mult, &sz,
-	    NULL, 0), 0, "Unexpected mallctl() failure");
-
-	lg_dirty_mult = -2;
-	assert_d_eq(mallctl("arenas.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	lg_dirty_mult = (sizeof(size_t) << 3);
-	assert_d_eq(mallctl("arenas.lg_dirty_mult", NULL, NULL,
-	    &lg_dirty_mult, sizeof(ssize_t)), EFAULT,
-	    "Unexpected mallctl() success");
-
-	for (prev_lg_dirty_mult = orig_lg_dirty_mult, lg_dirty_mult = -1;
-	    lg_dirty_mult < (ssize_t)(sizeof(size_t) << 3); prev_lg_dirty_mult =
-	    lg_dirty_mult, lg_dirty_mult++) {
-		ssize_t old_lg_dirty_mult;
-
-		assert_d_eq(mallctl("arenas.lg_dirty_mult", &old_lg_dirty_mult,
-		    &sz, &lg_dirty_mult, sizeof(ssize_t)), 0,
-		    "Unexpected mallctl() failure");
-		assert_zd_eq(old_lg_dirty_mult, prev_lg_dirty_mult,
-		    "Unexpected old arenas.lg_dirty_mult");
-	}
-}
-TEST_END
-
 TEST_BEGIN(test_arenas_decay_time)
 {
 	ssize_t decay_time, orig_decay_time, prev_decay_time;
 	size_t sz = sizeof(ssize_t);
 
-	test_skip_if(opt_purge != purge_mode_decay);
-
 	assert_d_eq(mallctl("arenas.decay_time", &orig_decay_time, &sz,
 	    NULL, 0), 0, "Unexpected mallctl() failure");
 
@@ -669,7 +595,6 @@ TEST_BEGIN(test_stats_arenas)
 
 	TEST_STATS_ARENAS(unsigned, nthreads);
 	TEST_STATS_ARENAS(const char *, dss);
-	TEST_STATS_ARENAS(ssize_t, lg_dirty_mult);
 	TEST_STATS_ARENAS(ssize_t, decay_time);
 	TEST_STATS_ARENAS(size_t, pactive);
 	TEST_STATS_ARENAS(size_t, pdirty);
@@ -694,13 +619,11 @@ main(void)
 	    test_tcache_none,
 	    test_tcache,
 	    test_thread_arena,
-	    test_arena_i_lg_dirty_mult,
 	    test_arena_i_decay_time,
 	    test_arena_i_purge,
 	    test_arena_i_decay,
 	    test_arena_i_dss,
 	    test_arenas_initialized,
-	    test_arenas_lg_dirty_mult,
 	    test_arenas_decay_time,
 	    test_arenas_constants,
 	    test_arenas_bin_constants,