[DTrace-devel] [PATCH v2 1/5] test: fbt return0: work on quiet systems

[Nick Alcock]

These two tests probe on sys_poll and just hope something calls it.
On sufficiently quiet systems, nothing does.

Use hrtimer_nanosleep instead.

Signed-off-by: Nick Alcock <nick.alcock at oracle.com>
---
 test/unittest/fbtprovider/tst.return0.d      | 4 +++-
 test/unittest/fbtprovider/tst.return0.r      | 2 +-
 test/unittest/providers/rawfbt/tst.return0.d | 4 +++-
 test/unittest/providers/rawfbt/tst.return0.r | 2 +-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/test/unittest/fbtprovider/tst.return0.d b/test/unittest/fbtprovider/tst.return0.d
index 0b7091b320904..f06120a55e5d0 100644
--- a/test/unittest/fbtprovider/tst.return0.d
+++ b/test/unittest/fbtprovider/tst.return0.d
@@ -11,10 +11,12 @@
  * SECTION: FBT Provider/Probe arguments
  */
 
+/* @@trigger: periodic_output */
+
 #pragma D option quiet
 #pragma D option statusrate=10ms
 
-fbt::do_sys_poll:return
+fbt:vmlinux:hrtimer_nanosleep:return
 /arg1 == 0/
 {
 	printf("%s %x returned 0", probefunc, arg0);
diff --git a/test/unittest/fbtprovider/tst.return0.r b/test/unittest/fbtprovider/tst.return0.r
index 53308c30f27ab..e4065e20062e0 100644
--- a/test/unittest/fbtprovider/tst.return0.r
+++ b/test/unittest/fbtprovider/tst.return0.r
@@ -1 +1 @@
-do_sys_poll ffffffffffffffff returned 0
+hrtimer_nanosleep ffffffffffffffff returned 0
diff --git a/test/unittest/providers/rawfbt/tst.return0.d b/test/unittest/providers/rawfbt/tst.return0.d
index 0146d684f1033..3a39740071c49 100644
--- a/test/unittest/providers/rawfbt/tst.return0.d
+++ b/test/unittest/providers/rawfbt/tst.return0.d
@@ -9,10 +9,12 @@
  * ASSERTION: simple rawfbt provider arg0 and probefunc print test.
  */
 
+/* @@trigger: periodic_output */
+
 #pragma D option quiet
 #pragma D option statusrate=10ms
 
-rawfbt::do_sys_poll:return
+fbt:vmlinux:hrtimer_nanosleep:return
 /arg1 == 0/
 {
 	printf("%s %x returned 0", probefunc, arg0);
diff --git a/test/unittest/providers/rawfbt/tst.return0.r b/test/unittest/providers/rawfbt/tst.return0.r
index 53308c30f27ab..e4065e20062e0 100644
--- a/test/unittest/providers/rawfbt/tst.return0.r
+++ b/test/unittest/providers/rawfbt/tst.return0.r
@@ -1 +1 @@
-do_sys_poll ffffffffffffffff returned 0
+hrtimer_nanosleep ffffffffffffffff returned 0

base-commit: 877fcdeb25b370be182d51f27fb4bd8e4f739fb1
-- 
2.51.0.284.g117bcb8de7