Commit 8e4ec3d0 authored by Paul E. McKenney's avatar Paul E. McKenney

refperf: Rename RCU_REF_PERF_TEST to RCU_REF_SCALE_TEST

The old Kconfig option name is all too easy to conflate with the
unrelated "perf" feature, so this commit renames RCU_REF_PERF_TEST to
RCU_REF_SCALE_TEST.
Reported-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent c7dcf810
...@@ -61,8 +61,8 @@ config RCU_TORTURE_TEST ...@@ -61,8 +61,8 @@ config RCU_TORTURE_TEST
Say M if you want the RCU torture tests to build as a module. Say M if you want the RCU torture tests to build as a module.
Say N if you are unsure. Say N if you are unsure.
config RCU_REF_PERF_TEST config RCU_REF_SCALE_TEST
tristate "Performance tests for read-side synchronization (RCU and others)" tristate "Scalability tests for read-side synchronization (RCU and others)"
depends on DEBUG_KERNEL depends on DEBUG_KERNEL
select TORTURE_TEST select TORTURE_TEST
select SRCU select SRCU
......
...@@ -12,7 +12,7 @@ obj-$(CONFIG_TREE_SRCU) += srcutree.o ...@@ -12,7 +12,7 @@ obj-$(CONFIG_TREE_SRCU) += srcutree.o
obj-$(CONFIG_TINY_SRCU) += srcutiny.o obj-$(CONFIG_TINY_SRCU) += srcutiny.o
obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
obj-$(CONFIG_RCU_PERF_TEST) += rcuperf.o obj-$(CONFIG_RCU_PERF_TEST) += rcuperf.o
obj-$(CONFIG_RCU_REF_PERF_TEST) += refperf.o obj-$(CONFIG_RCU_REF_SCALE_TEST) += refperf.o
obj-$(CONFIG_TREE_RCU) += tree.o obj-$(CONFIG_TREE_RCU) += tree.o
obj-$(CONFIG_TINY_RCU) += tiny.o obj-$(CONFIG_TINY_RCU) += tiny.o
obj-$(CONFIG_RCU_NEED_SEGCBLIST) += rcu_segcblist.o obj-$(CONFIG_RCU_NEED_SEGCBLIST) += rcu_segcblist.o
// SPDX-License-Identifier: GPL-2.0+ // SPDX-License-Identifier: GPL-2.0+
// //
// Performance test comparing RCU vs other mechanisms // Scalability test comparing RCU vs other mechanisms
// for acquiring references on objects. // for acquiring references on objects.
// //
// Copyright (C) Google, 2020. // Copyright (C) Google, 2020.
...@@ -59,7 +59,7 @@ MODULE_PARM_DESC(perf_type, "Type of test (rcu, srcu, refcnt, rwsem, rwlock."); ...@@ -59,7 +59,7 @@ MODULE_PARM_DESC(perf_type, "Type of test (rcu, srcu, refcnt, rwsem, rwlock.");
torture_param(int, verbose, 0, "Enable verbose debugging printk()s"); torture_param(int, verbose, 0, "Enable verbose debugging printk()s");
// Wait until there are multiple CPUs before starting test. // Wait until there are multiple CPUs before starting test.
torture_param(int, holdoff, IS_BUILTIN(CONFIG_RCU_REF_PERF_TEST) ? 10 : 0, torture_param(int, holdoff, IS_BUILTIN(CONFIG_RCU_REF_SCALE_TEST) ? 10 : 0,
"Holdoff time before test start (s)"); "Holdoff time before test start (s)");
// Number of loops per experiment, all readers execute operations concurrently. // Number of loops per experiment, all readers execute operations concurrently.
torture_param(long, loops, 10000, "Number of loops per experiment."); torture_param(long, loops, 10000, "Number of loops per experiment.");
...@@ -656,7 +656,7 @@ ref_perf_init(void) ...@@ -656,7 +656,7 @@ ref_perf_init(void)
for (i = 0; i < ARRAY_SIZE(perf_ops); i++) for (i = 0; i < ARRAY_SIZE(perf_ops); i++)
pr_cont(" %s", perf_ops[i]->name); pr_cont(" %s", perf_ops[i]->name);
pr_cont("\n"); pr_cont("\n");
WARN_ON(!IS_MODULE(CONFIG_RCU_REF_PERF_TEST)); WARN_ON(!IS_MODULE(CONFIG_RCU_REF_SCALE_TEST));
firsterr = -EINVAL; firsterr = -EINVAL;
cur_ops = NULL; cur_ops = NULL;
goto unwind; goto unwind;
......
CONFIG_RCU_REF_PERF_TEST=y CONFIG_RCU_REF_SCALE_TEST=y
CONFIG_PRINTK_TIME=y CONFIG_PRINTK_TIME=y
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