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-rw-r--r--tools/testing/nvdimm/test/iomap.c6
-rw-r--r--tools/testing/nvdimm/test/nfit.c2
-rw-r--r--tools/testing/nvdimm/test/nfit_test.h4
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/configcheck.sh2
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-build.sh2
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm.sh5
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/CFLIST2
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot1
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-N2
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-P6
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-t10
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-t.boot1
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-u9
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot1
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TINY025
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE015
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot4
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE025
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE034
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot4
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE044
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE054
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot3
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE064
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot3
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE076
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE081
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE08-T21
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot1
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcuperf/TINY (renamed from tools/testing/selftests/rcutorture/configs/rcu/TREE02-T)19
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcuperf/TREE1
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcuperf/TREE541
-rw-r--r--tools/testing/selftests/rcutorture/doc/TINY_RCU.txt1
-rw-r--r--tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt34
-rwxr-xr-xtools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk2
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c51
-rw-r--r--tools/testing/selftests/timers/Makefile5
-rw-r--r--tools/testing/selftests/timers/freq-step.c268
-rw-r--r--tools/testing/selftests/timers/inconsistency-check.c4
39 files changed, 379 insertions, 134 deletions
diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c
index 64cae1a5deff..e1f75a1914a1 100644
--- a/tools/testing/nvdimm/test/iomap.c
+++ b/tools/testing/nvdimm/test/iomap.c
@@ -370,7 +370,7 @@ acpi_status __wrap_acpi_evaluate_object(acpi_handle handle, acpi_string path,
}
EXPORT_SYMBOL(__wrap_acpi_evaluate_object);
-union acpi_object * __wrap_acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid,
+union acpi_object * __wrap_acpi_evaluate_dsm(acpi_handle handle, const guid_t *guid,
u64 rev, u64 func, union acpi_object *argv4)
{
union acpi_object *obj = ERR_PTR(-ENXIO);
@@ -379,11 +379,11 @@ union acpi_object * __wrap_acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid,
rcu_read_lock();
ops = list_first_or_null_rcu(&iomap_head, typeof(*ops), list);
if (ops)
- obj = ops->evaluate_dsm(handle, uuid, rev, func, argv4);
+ obj = ops->evaluate_dsm(handle, guid, rev, func, argv4);
rcu_read_unlock();
if (IS_ERR(obj))
- return acpi_evaluate_dsm(handle, uuid, rev, func, argv4);
+ return acpi_evaluate_dsm(handle, guid, rev, func, argv4);
return obj;
}
EXPORT_SYMBOL(__wrap_acpi_evaluate_dsm);
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index c2187178fb13..28859da78edf 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -1559,7 +1559,7 @@ static unsigned long nfit_ctl_handle;
union acpi_object *result;
static union acpi_object *nfit_test_evaluate_dsm(acpi_handle handle,
- const u8 *uuid, u64 rev, u64 func, union acpi_object *argv4)
+ const guid_t *guid, u64 rev, u64 func, union acpi_object *argv4)
{
if (handle != &nfit_ctl_handle)
return ERR_PTR(-ENXIO);
diff --git a/tools/testing/nvdimm/test/nfit_test.h b/tools/testing/nvdimm/test/nfit_test.h
index f54c0032c6ff..d3d63dd5ed38 100644
--- a/tools/testing/nvdimm/test/nfit_test.h
+++ b/tools/testing/nvdimm/test/nfit_test.h
@@ -13,6 +13,7 @@
#ifndef __NFIT_TEST_H__
#define __NFIT_TEST_H__
#include <linux/list.h>
+#include <linux/uuid.h>
#include <linux/ioport.h>
#include <linux/spinlock_types.h>
@@ -36,7 +37,8 @@ typedef void *acpi_handle;
typedef struct nfit_test_resource *(*nfit_test_lookup_fn)(resource_size_t);
typedef union acpi_object *(*nfit_test_evaluate_dsm_fn)(acpi_handle handle,
- const u8 *uuid, u64 rev, u64 func, union acpi_object *argv4);
+ const guid_t *guid, u64 rev, u64 func,
+ union acpi_object *argv4);
void __iomem *__wrap_ioremap_nocache(resource_size_t offset,
unsigned long size);
void __wrap_iounmap(volatile void __iomem *addr);
diff --git a/tools/testing/selftests/rcutorture/bin/configcheck.sh b/tools/testing/selftests/rcutorture/bin/configcheck.sh
index eee31e261bf7..70fca318a82b 100755
--- a/tools/testing/selftests/rcutorture/bin/configcheck.sh
+++ b/tools/testing/selftests/rcutorture/bin/configcheck.sh
@@ -27,7 +27,7 @@ cat $1 > $T/.config
cat $2 | sed -e 's/\(.*\)=n/# \1 is not set/' -e 's/^#CHECK#//' |
awk '
-BEGIN {
+{
print "if grep -q \"" $0 "\" < '"$T/.config"'";
print "then";
print "\t:";
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-build.sh b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
index 00cb0db2643d..c29f2ec0bf9f 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
@@ -45,7 +45,7 @@ T=/tmp/test-linux.sh.$$
trap 'rm -rf $T' 0
mkdir $T
-grep -v 'CONFIG_[A-Z]*_TORTURE_TEST' < ${config_template} > $T/config
+grep -v 'CONFIG_[A-Z]*_TORTURE_TEST=' < ${config_template} > $T/config
cat << ___EOF___ >> $T/config
CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD"
CONFIG_VIRTIO_PCI=y
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 3b3c1b693ee1..50091de3a911 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -296,10 +296,7 @@ if test -d .git
then
git status >> $resdir/$ds/testid.txt
git rev-parse HEAD >> $resdir/$ds/testid.txt
- if ! git diff HEAD > $T/git-diff 2>&1
- then
- cp $T/git-diff $resdir/$ds
- fi
+ git diff HEAD >> $resdir/$ds/testid.txt
fi
___EOF___
awk < $T/cfgcpu.pack \
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
index a3a1a05a2b5c..6a0b9f69faad 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
@@ -9,6 +9,8 @@ TREE08
TREE09
SRCU-N
SRCU-P
+SRCU-t
+SRCU-u
TINY01
TINY02
TASKS01
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot
new file mode 100644
index 000000000000..84a7d51b7481
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=srcud
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N
index 1a087c3c8bb8..2da8b49589a0 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-N
@@ -5,4 +5,4 @@ CONFIG_HOTPLUG_CPU=y
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
-CONFIG_RCU_EXPERT=y
+#CHECK#CONFIG_RCU_EXPERT=n
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P
index 4837430a71c0..ab7ccd38232b 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P
@@ -2,7 +2,11 @@ CONFIG_RCU_TRACE=n
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_HOTPLUG_CPU=y
+CONFIG_RCU_EXPERT=y
+CONFIG_RCU_FANOUT=2
+CONFIG_RCU_FANOUT_LEAF=2
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
-#CHECK#CONFIG_RCU_EXPERT=n
+CONFIG_DEBUG_LOCK_ALLOC=y
+CONFIG_PROVE_LOCKING=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t
new file mode 100644
index 000000000000..6c78022c8cd8
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t
@@ -0,0 +1,10 @@
+CONFIG_SMP=n
+CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=n
+#CHECK#CONFIG_TINY_SRCU=y
+CONFIG_RCU_TRACE=n
+CONFIG_DEBUG_LOCK_ALLOC=n
+CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+#CHECK#CONFIG_PREEMPT_COUNT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t.boot
new file mode 100644
index 000000000000..238bfe3bd0cc
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=srcu
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u
new file mode 100644
index 000000000000..6bc24e99862f
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u
@@ -0,0 +1,9 @@
+CONFIG_SMP=n
+CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=n
+#CHECK#CONFIG_TINY_SRCU=y
+CONFIG_RCU_TRACE=n
+CONFIG_DEBUG_LOCK_ALLOC=n
+CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
+CONFIG_PREEMPT_COUNT=n
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot
new file mode 100644
index 000000000000..84a7d51b7481
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=srcud
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 b/tools/testing/selftests/rcutorture/configs/rcu/TINY02
index a59f7686e219..d8674264318d 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TINY02
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY02
@@ -6,10 +6,9 @@ CONFIG_PREEMPT=n
CONFIG_HZ_PERIODIC=y
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=n
-CONFIG_RCU_TRACE=y
CONFIG_PROVE_LOCKING=y
-CONFIG_PROVE_RCU_REPEATEDLY=y
#CHECK#CONFIG_PROVE_RCU=y
CONFIG_DEBUG_LOCK_ALLOC=y
+CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
-CONFIG_PREEMPT_COUNT=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01
index 359cb258f639..b5b53973c01e 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE01
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01
@@ -10,12 +10,9 @@ CONFIG_RCU_FAST_NO_HZ=y
CONFIG_RCU_TRACE=y
CONFIG_HOTPLUG_CPU=y
CONFIG_MAXSMP=y
+CONFIG_CPUMASK_OFFSTACK=y
CONFIG_RCU_NOCB_CPU=y
-CONFIG_RCU_NOCB_CPU_ZERO=y
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP=y
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
index adc3abc82fb8..1d14e1383016 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
@@ -1 +1,5 @@
rcutorture.torture_type=rcu_bh maxcpus=8
+rcutree.gp_preinit_delay=3
+rcutree.gp_init_delay=3
+rcutree.gp_cleanup_delay=3
+rcu_nocbs=0
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE02 b/tools/testing/selftests/rcutorture/configs/rcu/TREE02
index c1ab5926568b..35e639e39366 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE02
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE02
@@ -18,9 +18,6 @@ CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=n
CONFIG_RCU_BOOST=n
-CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP=y
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT=y
+CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE03 b/tools/testing/selftests/rcutorture/configs/rcu/TREE03
index 3b93ee544e70..2dc31b16e506 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE03
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE03
@@ -14,9 +14,5 @@ CONFIG_RCU_FANOUT_LEAF=2
CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_RCU_BOOST=y
-CONFIG_RCU_KTHREAD_PRIO=2
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP=y
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot
index 120c0c88d100..5d2cc0bd50a0 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE03.boot
@@ -1 +1,5 @@
rcutorture.onoff_interval=1 rcutorture.onoff_holdoff=30
+rcutree.gp_preinit_delay=3
+rcutree.gp_init_delay=3
+rcutree.gp_cleanup_delay=3
+rcutree.kthread_prio=2
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 b/tools/testing/selftests/rcutorture/configs/rcu/TREE04
index 5af758e783c7..27d22695d64c 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE04
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04
@@ -15,11 +15,7 @@ CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
CONFIG_RCU_FANOUT=4
CONFIG_RCU_FANOUT_LEAF=3
-CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP=y
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT=y
CONFIG_RCU_EQS_DEBUG=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE05 b/tools/testing/selftests/rcutorture/configs/rcu/TREE05
index d4cdc0d74e16..2dde0d9964e3 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE05
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE05
@@ -13,12 +13,8 @@ CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_FANOUT=6
CONFIG_RCU_FANOUT_LEAF=6
CONFIG_RCU_NOCB_CPU=y
-CONFIG_RCU_NOCB_CPU_NONE=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y
#CHECK#CONFIG_PROVE_RCU=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP=y
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot
index 15b3e1a86f74..c7fd050dfcd9 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot
@@ -1,2 +1,5 @@
rcutorture.torture_type=sched
rcupdate.rcu_self_test_sched=1
+rcutree.gp_preinit_delay=3
+rcutree.gp_init_delay=3
+rcutree.gp_cleanup_delay=3
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE06 b/tools/testing/selftests/rcutorture/configs/rcu/TREE06
index 4cb02bd28f08..05a4eec3f27b 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE06
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE06
@@ -18,8 +18,6 @@ CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y
#CHECK#CONFIG_PROVE_RCU=y
+CONFIG_DEBUG_OBJECTS=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP=y
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot
index dd90f28ed700..ad18b52a2cad 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE06.boot
@@ -2,3 +2,6 @@ rcupdate.rcu_self_test=1
rcupdate.rcu_self_test_bh=1
rcupdate.rcu_self_test_sched=1
rcutree.rcu_fanout_exact=1
+rcutree.gp_preinit_delay=3
+rcutree.gp_init_delay=3
+rcutree.gp_cleanup_delay=3
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE07 b/tools/testing/selftests/rcutorture/configs/rcu/TREE07
index b12a3ea1867e..0f4759f4232e 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE07
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE07
@@ -1,6 +1,5 @@
CONFIG_SMP=y
CONFIG_NR_CPUS=16
-CONFIG_CPUMASK_OFFSTACK=y
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
@@ -9,16 +8,11 @@ CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=y
CONFIG_NO_HZ_FULL_ALL=n
-CONFIG_NO_HZ_FULL_SYSIDLE=y
CONFIG_RCU_FAST_NO_HZ=n
CONFIG_RCU_TRACE=y
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_FANOUT=2
CONFIG_RCU_FANOUT_LEAF=2
-CONFIG_RCU_NOCB_CPU=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP=y
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT=y
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08 b/tools/testing/selftests/rcutorture/configs/rcu/TREE08
index 099cc63c6a3b..fb1c763c10c5 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE08
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08
@@ -15,7 +15,6 @@ CONFIG_HIBERNATION=n
CONFIG_RCU_FANOUT=3
CONFIG_RCU_FANOUT_LEAF=2
CONFIG_RCU_NOCB_CPU=y
-CONFIG_RCU_NOCB_CPU_ALL=y
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_LOCKING=n
CONFIG_RCU_BOOST=n
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T b/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T
deleted file mode 100644
index 2ad13f0d29cc..000000000000
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE08-T
+++ /dev/null
@@ -1,21 +0,0 @@
-CONFIG_SMP=y
-CONFIG_NR_CPUS=16
-CONFIG_PREEMPT_NONE=n
-CONFIG_PREEMPT_VOLUNTARY=n
-CONFIG_PREEMPT=y
-#CHECK#CONFIG_PREEMPT_RCU=y
-CONFIG_HZ_PERIODIC=n
-CONFIG_NO_HZ_IDLE=y
-CONFIG_NO_HZ_FULL=n
-CONFIG_RCU_FAST_NO_HZ=n
-CONFIG_RCU_TRACE=y
-CONFIG_HOTPLUG_CPU=n
-CONFIG_SUSPEND=n
-CONFIG_HIBERNATION=n
-CONFIG_RCU_FANOUT=3
-CONFIG_RCU_FANOUT_LEAF=2
-CONFIG_RCU_NOCB_CPU=y
-CONFIG_RCU_NOCB_CPU_ALL=y
-CONFIG_DEBUG_LOCK_ALLOC=n
-CONFIG_RCU_BOOST=n
-CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot
index fb066dc82769..1bd8efc4141e 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot
@@ -2,3 +2,4 @@ rcutorture.torture_type=sched
rcupdate.rcu_self_test=1
rcupdate.rcu_self_test_sched=1
rcutree.rcu_fanout_exact=1
+rcu_nocbs=0-7
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T b/tools/testing/selftests/rcutorture/configs/rcuperf/TINY
index 917d2517b5b5..fb05ef5279b4 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE02-T
+++ b/tools/testing/selftests/rcutorture/configs/rcuperf/TINY
@@ -1,21 +1,16 @@
-CONFIG_SMP=y
-CONFIG_NR_CPUS=8
-CONFIG_PREEMPT_NONE=n
+CONFIG_SMP=n
+CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
-CONFIG_PREEMPT=y
-#CHECK#CONFIG_PREEMPT_RCU=y
+CONFIG_PREEMPT=n
+#CHECK#CONFIG_TINY_RCU=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=n
-CONFIG_RCU_TRACE=y
-CONFIG_HOTPLUG_CPU=n
-CONFIG_SUSPEND=n
-CONFIG_HIBERNATION=n
-CONFIG_RCU_FANOUT=3
-CONFIG_RCU_FANOUT_LEAF=3
CONFIG_RCU_NOCB_CPU=n
-CONFIG_DEBUG_LOCK_ALLOC=y
+CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_LOCKING=n
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
+CONFIG_RCU_EXPERT=y
+CONFIG_RCU_TRACE=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcuperf/TREE b/tools/testing/selftests/rcutorture/configs/rcuperf/TREE
index a312f671a29a..721cfda76ab2 100644
--- a/tools/testing/selftests/rcutorture/configs/rcuperf/TREE
+++ b/tools/testing/selftests/rcutorture/configs/rcuperf/TREE
@@ -7,7 +7,6 @@ CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=n
-CONFIG_RCU_TRACE=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
diff --git a/tools/testing/selftests/rcutorture/configs/rcuperf/TREE54 b/tools/testing/selftests/rcutorture/configs/rcuperf/TREE54
index 985fb170d13c..7629f5dd73b2 100644
--- a/tools/testing/selftests/rcutorture/configs/rcuperf/TREE54
+++ b/tools/testing/selftests/rcutorture/configs/rcuperf/TREE54
@@ -8,7 +8,6 @@ CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_RCU_FAST_NO_HZ=n
-CONFIG_RCU_TRACE=n
CONFIG_HOTPLUG_CPU=n
CONFIG_SUSPEND=n
CONFIG_HIBERNATION=n
diff --git a/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt
index 24396ae8355b..a75b16991a92 100644
--- a/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt
+++ b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt
@@ -18,7 +18,6 @@ CONFIG_PROVE_RCU
In common code tested by TREE_RCU test cases.
-CONFIG_NO_HZ_FULL_SYSIDLE
CONFIG_RCU_NOCB_CPU
Meaningless for TINY_RCU.
diff --git a/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt
index 364801b1a230..9ad3f89c8dc7 100644
--- a/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt
+++ b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt
@@ -9,28 +9,20 @@ CONFIG_DEBUG_OBJECTS_RCU_HEAD -- Do one.
CONFIG_HOTPLUG_CPU -- Do half. (Every second.)
CONFIG_HZ_PERIODIC -- Do one.
CONFIG_NO_HZ_IDLE -- Do those not otherwise specified. (Groups of two.)
-CONFIG_NO_HZ_FULL -- Do two, one with CONFIG_NO_HZ_FULL_SYSIDLE.
-CONFIG_NO_HZ_FULL_SYSIDLE -- Do one.
+CONFIG_NO_HZ_FULL -- Do two, one with partial CPU enablement.
CONFIG_PREEMPT -- Do half. (First three and #8.)
CONFIG_PROVE_LOCKING -- Do several, covering CONFIG_DEBUG_LOCK_ALLOC=y and not.
CONFIG_PROVE_RCU -- Hardwired to CONFIG_PROVE_LOCKING.
-CONFIG_PROVE_RCU_REPEATEDLY -- Do one.
CONFIG_RCU_BOOST -- one of PREEMPT_RCU.
-CONFIG_RCU_KTHREAD_PRIO -- set to 2 for _BOOST testing.
CONFIG_RCU_FANOUT -- Cover hierarchy, but overlap with others.
CONFIG_RCU_FANOUT_LEAF -- Do one non-default.
-CONFIG_RCU_FAST_NO_HZ -- Do one, but not with CONFIG_RCU_NOCB_CPU_ALL.
-CONFIG_RCU_NOCB_CPU -- Do three, see below.
-CONFIG_RCU_NOCB_CPU_ALL -- Do one.
-CONFIG_RCU_NOCB_CPU_NONE -- Do one.
-CONFIG_RCU_NOCB_CPU_ZERO -- Do one.
+CONFIG_RCU_FAST_NO_HZ -- Do one, but not with all nohz_full CPUs.
+CONFIG_RCU_NOCB_CPU -- Do three, one with no rcu_nocbs CPUs, one with
+ rcu_nocbs=0, and one with all rcu_nocbs CPUs.
CONFIG_RCU_TRACE -- Do half.
CONFIG_SMP -- Need one !SMP for PREEMPT_RCU.
CONFIG_RCU_EXPERT=n -- Do a few, but these have to be vanilla configurations.
CONFIG_RCU_EQS_DEBUG -- Do at least one for CONFIG_NO_HZ_FULL and not.
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP -- Do for all but a couple TREE scenarios.
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT -- Do for all but a couple TREE scenarios.
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT -- Do for all but a couple TREE scenarios.
RCU-bh: Do one with PREEMPT and one with !PREEMPT.
RCU-sched: Do one with PREEMPT but not BOOST.
@@ -52,10 +44,6 @@ CONFIG_64BIT
Used only to check CONFIG_RCU_FANOUT value, inspection suffices.
-CONFIG_NO_HZ_FULL_SYSIDLE_SMALL
-
- Defer until Frederic uses this.
-
CONFIG_PREEMPT_COUNT
CONFIG_PREEMPT_RCU
@@ -78,30 +66,16 @@ CONFIG_RCU_TORTURE_TEST_RUNNABLE
Always used in KVM testing.
-CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT_DELAY
-CONFIG_RCU_TORTURE_TEST_SLOW_INIT_DELAY
-CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP_DELAY
-
- Inspection suffices, ignore.
-
CONFIG_PREEMPT_RCU
CONFIG_TREE_RCU
CONFIG_TINY_RCU
These are controlled by CONFIG_PREEMPT and/or CONFIG_SMP.
-CONFIG_SPARSE_RCU_POINTER
-
- Makes sense only for sparse runs, not for kernel builds.
-
CONFIG_SRCU
CONFIG_TASKS_RCU
Selected by CONFIG_RCU_TORTURE_TEST, so cannot disable.
-CONFIG_RCU_TRACE
-
- Implied by CONFIG_RCU_TRACE for Tree RCU.
-
boot parameters ignored: TBD
diff --git a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk
index 8ff89043d0a9..c9e8bc5082a7 100755
--- a/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk
+++ b/tools/testing/selftests/rcutorture/formal/srcu-cbmc/modify_srcu.awk
@@ -1,4 +1,4 @@
-#!/bin/awk -f
+#!/usr/bin/awk -f
# Modify SRCU for formal verification. The first argument should be srcu.h and
# the second should be srcu.c. Outputs modified srcu.h and srcu.c into the
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 03f1fa495d74..00a928b833d0 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1822,6 +1822,23 @@ struct tsync_sibling {
struct __test_metadata *metadata;
};
+/*
+ * To avoid joining joined threads (which is not allowed by Bionic),
+ * make sure we both successfully join and clear the tid to skip a
+ * later join attempt during fixture teardown. Any remaining threads
+ * will be directly killed during teardown.
+ */
+#define PTHREAD_JOIN(tid, status) \
+ do { \
+ int _rc = pthread_join(tid, status); \
+ if (_rc) { \
+ TH_LOG("pthread_join of tid %u failed: %d\n", \
+ (unsigned int)tid, _rc); \
+ } else { \
+ tid = 0; \
+ } \
+ } while (0)
+
FIXTURE_DATA(TSYNC) {
struct sock_fprog root_prog, apply_prog;
struct tsync_sibling sibling[TSYNC_SIBLINGS];
@@ -1890,14 +1907,14 @@ FIXTURE_TEARDOWN(TSYNC)
for ( ; sib < self->sibling_count; ++sib) {
struct tsync_sibling *s = &self->sibling[sib];
- void *status;
if (!s->tid)
continue;
- if (pthread_kill(s->tid, 0)) {
- pthread_cancel(s->tid);
- pthread_join(s->tid, &status);
- }
+ /*
+ * If a thread is still running, it may be stuck, so hit
+ * it over the head really hard.
+ */
+ pthread_kill(s->tid, 9);
}
pthread_mutex_destroy(&self->mutex);
pthread_cond_destroy(&self->cond);
@@ -1987,9 +2004,9 @@ TEST_F(TSYNC, siblings_fail_prctl)
pthread_mutex_unlock(&self->mutex);
/* Ensure diverging sibling failed to call prctl. */
- pthread_join(self->sibling[0].tid, &status);
+ PTHREAD_JOIN(self->sibling[0].tid, &status);
EXPECT_EQ(SIBLING_EXIT_FAILURE, (long)status);
- pthread_join(self->sibling[1].tid, &status);
+ PTHREAD_JOIN(self->sibling[1].tid, &status);
EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status);
}
@@ -2029,9 +2046,9 @@ TEST_F(TSYNC, two_siblings_with_ancestor)
}
pthread_mutex_unlock(&self->mutex);
/* Ensure they are both killed and don't exit cleanly. */
- pthread_join(self->sibling[0].tid, &status);
+ PTHREAD_JOIN(self->sibling[0].tid, &status);
EXPECT_EQ(0x0, (long)status);
- pthread_join(self->sibling[1].tid, &status);
+ PTHREAD_JOIN(self->sibling[1].tid, &status);
EXPECT_EQ(0x0, (long)status);
}
@@ -2055,9 +2072,9 @@ TEST_F(TSYNC, two_sibling_want_nnp)
pthread_mutex_unlock(&self->mutex);
/* Ensure they are both upset about lacking nnp. */
- pthread_join(self->sibling[0].tid, &status);
+ PTHREAD_JOIN(self->sibling[0].tid, &status);
EXPECT_EQ(SIBLING_EXIT_NEWPRIVS, (long)status);
- pthread_join(self->sibling[1].tid, &status);
+ PTHREAD_JOIN(self->sibling[1].tid, &status);
EXPECT_EQ(SIBLING_EXIT_NEWPRIVS, (long)status);
}
@@ -2095,9 +2112,9 @@ TEST_F(TSYNC, two_siblings_with_no_filter)
pthread_mutex_unlock(&self->mutex);
/* Ensure they are both killed and don't exit cleanly. */
- pthread_join(self->sibling[0].tid, &status);
+ PTHREAD_JOIN(self->sibling[0].tid, &status);
EXPECT_EQ(0x0, (long)status);
- pthread_join(self->sibling[1].tid, &status);
+ PTHREAD_JOIN(self->sibling[1].tid, &status);
EXPECT_EQ(0x0, (long)status);
}
@@ -2140,9 +2157,9 @@ TEST_F(TSYNC, two_siblings_with_one_divergence)
pthread_mutex_unlock(&self->mutex);
/* Ensure they are both unkilled. */
- pthread_join(self->sibling[0].tid, &status);
+ PTHREAD_JOIN(self->sibling[0].tid, &status);
EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status);
- pthread_join(self->sibling[1].tid, &status);
+ PTHREAD_JOIN(self->sibling[1].tid, &status);
EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status);
}
@@ -2199,7 +2216,7 @@ TEST_F(TSYNC, two_siblings_not_under_filter)
TH_LOG("cond broadcast non-zero");
}
pthread_mutex_unlock(&self->mutex);
- pthread_join(self->sibling[sib].tid, &status);
+ PTHREAD_JOIN(self->sibling[sib].tid, &status);
EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status);
/* Poll for actual task death. pthread_join doesn't guarantee it. */
while (!kill(self->sibling[sib].system_tid, 0))
@@ -2224,7 +2241,7 @@ TEST_F(TSYNC, two_siblings_not_under_filter)
TH_LOG("cond broadcast non-zero");
}
pthread_mutex_unlock(&self->mutex);
- pthread_join(self->sibling[sib].tid, &status);
+ PTHREAD_JOIN(self->sibling[sib].tid, &status);
EXPECT_EQ(0, (long)status);
/* Poll for actual task death. pthread_join doesn't guarantee it. */
while (!kill(self->sibling[sib].system_tid, 0))
diff --git a/tools/testing/selftests/timers/Makefile b/tools/testing/selftests/timers/Makefile
index 5fa1d7e9a915..5801bbefbe89 100644
--- a/tools/testing/selftests/timers/Makefile
+++ b/tools/testing/selftests/timers/Makefile
@@ -1,6 +1,6 @@
BUILD_FLAGS = -DKTEST
CFLAGS += -O3 -Wl,-no-as-needed -Wall $(BUILD_FLAGS)
-LDFLAGS += -lrt -lpthread
+LDFLAGS += -lrt -lpthread -lm
# these are all "safe" tests that don't modify
# system time or require escalated privileges
@@ -8,7 +8,7 @@ TEST_GEN_PROGS = posix_timers nanosleep nsleep-lat set-timer-lat mqueue-lat \
inconsistency-check raw_skew threadtest rtctest
TEST_GEN_PROGS_EXTENDED = alarmtimer-suspend valid-adjtimex adjtick change_skew \
- skew_consistency clocksource-switch leap-a-day \
+ skew_consistency clocksource-switch freq-step leap-a-day \
leapcrash set-tai set-2038 set-tz
@@ -24,6 +24,7 @@ run_destructive_tests: run_tests
./change_skew
./skew_consistency
./clocksource-switch
+ ./freq-step
./leap-a-day -s -i 10
./leapcrash
./set-tz
diff --git a/tools/testing/selftests/timers/freq-step.c b/tools/testing/selftests/timers/freq-step.c
new file mode 100644
index 000000000000..e8c61830825a
--- /dev/null
+++ b/tools/testing/selftests/timers/freq-step.c
@@ -0,0 +1,268 @@
+/*
+ * This test checks the response of the system clock to frequency
+ * steps made with adjtimex(). The frequency error and stability of
+ * the CLOCK_MONOTONIC clock relative to the CLOCK_MONOTONIC_RAW clock
+ * is measured in two intervals following the step. The test fails if
+ * values from the second interval exceed specified limits.
+ *
+ * Copyright (C) Miroslav Lichvar <mlichvar@redhat.com> 2017
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <math.h>
+#include <stdio.h>
+#include <sys/timex.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "../kselftest.h"
+
+#define SAMPLES 100
+#define SAMPLE_READINGS 10
+#define MEAN_SAMPLE_INTERVAL 0.1
+#define STEP_INTERVAL 1.0
+#define MAX_PRECISION 100e-9
+#define MAX_FREQ_ERROR 10e-6
+#define MAX_STDDEV 1000e-9
+
+struct sample {
+ double offset;
+ double time;
+};
+
+static time_t mono_raw_base;
+static time_t mono_base;
+static long user_hz;
+static double precision;
+static double mono_freq_offset;
+
+static double diff_timespec(struct timespec *ts1, struct timespec *ts2)
+{
+ return ts1->tv_sec - ts2->tv_sec + (ts1->tv_nsec - ts2->tv_nsec) / 1e9;
+}
+
+static double get_sample(struct sample *sample)
+{
+ double delay, mindelay = 0.0;
+ struct timespec ts1, ts2, ts3;
+ int i;
+
+ for (i = 0; i < SAMPLE_READINGS; i++) {
+ clock_gettime(CLOCK_MONOTONIC_RAW, &ts1);
+ clock_gettime(CLOCK_MONOTONIC, &ts2);
+ clock_gettime(CLOCK_MONOTONIC_RAW, &ts3);
+
+ ts1.tv_sec -= mono_raw_base;
+ ts2.tv_sec -= mono_base;
+ ts3.tv_sec -= mono_raw_base;
+
+ delay = diff_timespec(&ts3, &ts1);
+ if (delay <= 1e-9) {
+ i--;
+ continue;
+ }
+
+ if (!i || delay < mindelay) {
+ sample->offset = diff_timespec(&ts2, &ts1);
+ sample->offset -= delay / 2.0;
+ sample->time = ts1.tv_sec + ts1.tv_nsec / 1e9;
+ mindelay = delay;
+ }
+ }
+
+ return mindelay;
+}
+
+static void reset_ntp_error(void)
+{
+ struct timex txc;
+
+ txc.modes = ADJ_SETOFFSET;
+ txc.time.tv_sec = 0;
+ txc.time.tv_usec = 0;
+
+ if (adjtimex(&txc) < 0) {
+ perror("[FAIL] adjtimex");
+ ksft_exit_fail();
+ }
+}
+
+static void set_frequency(double freq)
+{
+ struct timex txc;
+ int tick_offset;
+
+ tick_offset = 1e6 * freq / user_hz;
+
+ txc.modes = ADJ_TICK | ADJ_FREQUENCY;
+ txc.tick = 1000000 / user_hz + tick_offset;
+ txc.freq = (1e6 * freq - user_hz * tick_offset) * (1 << 16);
+
+ if (adjtimex(&txc) < 0) {
+ perror("[FAIL] adjtimex");
+ ksft_exit_fail();
+ }
+}
+
+static void regress(struct sample *samples, int n, double *intercept,
+ double *slope, double *r_stddev, double *r_max)
+{
+ double x, y, r, x_sum, y_sum, xy_sum, x2_sum, r2_sum;
+ int i;
+
+ x_sum = 0.0, y_sum = 0.0, xy_sum = 0.0, x2_sum = 0.0;
+
+ for (i = 0; i < n; i++) {
+ x = samples[i].time;
+ y = samples[i].offset;
+
+ x_sum += x;
+ y_sum += y;
+ xy_sum += x * y;
+ x2_sum += x * x;
+ }
+
+ *slope = (xy_sum - x_sum * y_sum / n) / (x2_sum - x_sum * x_sum / n);
+ *intercept = (y_sum - *slope * x_sum) / n;
+
+ *r_max = 0.0, r2_sum = 0.0;
+
+ for (i = 0; i < n; i++) {
+ x = samples[i].time;
+ y = samples[i].offset;
+ r = fabs(x * *slope + *intercept - y);
+ if (*r_max < r)
+ *r_max = r;
+ r2_sum += r * r;
+ }
+
+ *r_stddev = sqrt(r2_sum / n);
+}
+
+static int run_test(int calibration, double freq_base, double freq_step)
+{
+ struct sample samples[SAMPLES];
+ double intercept, slope, stddev1, max1, stddev2, max2;
+ double freq_error1, freq_error2;
+ int i;
+
+ set_frequency(freq_base);
+
+ for (i = 0; i < 10; i++)
+ usleep(1e6 * MEAN_SAMPLE_INTERVAL / 10);
+
+ reset_ntp_error();
+
+ set_frequency(freq_base + freq_step);
+
+ for (i = 0; i < 10; i++)
+ usleep(rand() % 2000000 * STEP_INTERVAL / 10);
+
+ set_frequency(freq_base);
+
+ for (i = 0; i < SAMPLES; i++) {
+ usleep(rand() % 2000000 * MEAN_SAMPLE_INTERVAL);
+ get_sample(&samples[i]);
+ }
+
+ if (calibration) {
+ regress(samples, SAMPLES, &intercept, &slope, &stddev1, &max1);
+ mono_freq_offset = slope;
+ printf("CLOCK_MONOTONIC_RAW frequency offset: %11.3f ppm\n",
+ 1e6 * mono_freq_offset);
+ return 0;
+ }
+
+ regress(samples, SAMPLES / 2, &intercept, &slope, &stddev1, &max1);
+ freq_error1 = slope * (1.0 - mono_freq_offset) - mono_freq_offset -
+ freq_base;
+
+ regress(samples + SAMPLES / 2, SAMPLES / 2, &intercept, &slope,
+ &stddev2, &max2);
+ freq_error2 = slope * (1.0 - mono_freq_offset) - mono_freq_offset -
+ freq_base;
+
+ printf("%6.0f %+10.3f %6.0f %7.0f %+10.3f %6.0f %7.0f\t",
+ 1e6 * freq_step,
+ 1e6 * freq_error1, 1e9 * stddev1, 1e9 * max1,
+ 1e6 * freq_error2, 1e9 * stddev2, 1e9 * max2);
+
+ if (fabs(freq_error2) > MAX_FREQ_ERROR || stddev2 > MAX_STDDEV) {
+ printf("[FAIL]\n");
+ return 1;
+ }
+
+ printf("[OK]\n");
+ return 0;
+}
+
+static void init_test(void)
+{
+ struct timespec ts;
+ struct sample sample;
+
+ if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts)) {
+ perror("[FAIL] clock_gettime(CLOCK_MONOTONIC_RAW)");
+ ksft_exit_fail();
+ }
+
+ mono_raw_base = ts.tv_sec;
+
+ if (clock_gettime(CLOCK_MONOTONIC, &ts)) {
+ perror("[FAIL] clock_gettime(CLOCK_MONOTONIC)");
+ ksft_exit_fail();
+ }
+
+ mono_base = ts.tv_sec;
+
+ user_hz = sysconf(_SC_CLK_TCK);
+
+ precision = get_sample(&sample) / 2.0;
+ printf("CLOCK_MONOTONIC_RAW+CLOCK_MONOTONIC precision: %.0f ns\t\t",
+ 1e9 * precision);
+
+ if (precision > MAX_PRECISION) {
+ printf("[SKIP]\n");
+ ksft_exit_skip();
+ }
+
+ printf("[OK]\n");
+ srand(ts.tv_sec ^ ts.tv_nsec);
+
+ run_test(1, 0.0, 0.0);
+}
+
+int main(int argc, char **argv)
+{
+ double freq_base, freq_step;
+ int i, j, fails = 0;
+
+ init_test();
+
+ printf("Checking response to frequency step:\n");
+ printf(" Step 1st interval 2nd interval\n");
+ printf(" Freq Dev Max Freq Dev Max\n");
+
+ for (i = 2; i >= 0; i--) {
+ for (j = 0; j < 5; j++) {
+ freq_base = (rand() % (1 << 24) - (1 << 23)) / 65536e6;
+ freq_step = 10e-6 * (1 << (6 * i));
+ fails += run_test(0, freq_base, freq_step);
+ }
+ }
+
+ set_frequency(0.0);
+
+ if (fails)
+ ksft_exit_fail();
+
+ ksft_exit_pass();
+}
diff --git a/tools/testing/selftests/timers/inconsistency-check.c b/tools/testing/selftests/timers/inconsistency-check.c
index caf1bc9257c4..74c60e8759a0 100644
--- a/tools/testing/selftests/timers/inconsistency-check.c
+++ b/tools/testing/selftests/timers/inconsistency-check.c
@@ -118,7 +118,7 @@ int consistency_test(int clock_type, unsigned long seconds)
start_str = ctime(&t);
while (seconds == -1 || now - then < seconds) {
- inconsistent = 0;
+ inconsistent = -1;
/* Fill list */
for (i = 0; i < CALLS_PER_LOOP; i++)
@@ -130,7 +130,7 @@ int consistency_test(int clock_type, unsigned long seconds)
inconsistent = i;
/* display inconsistency */
- if (inconsistent) {
+ if (inconsistent >= 0) {
unsigned long long delta;
printf("\%s\n", start_str);