[GIT PULL] Kselftest next update for Linux 6.15-rc1
From: Shuah Khan
Date: Wed Mar 26 2025 - 21:59:55 EST
Hi Linus,
Please pull the following kselftest next update for Linux 6.15-rc1.
Fixes bugs and cleans up code in tracing, ftrace, and user_events tests.
Adds missing executables to ftrace gitignore.
diff is attached.
thanks,
-- Shuah
----------------------------------------------------------------
The following changes since commit a64dcfb451e254085a7daee5fe51bf22959d52d3:
Linux 6.14-rc2 (2025-02-09 12:45:03 -0800)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux_kselftest-next-6.15-rc1
for you to fetch changes up to 82ef781f24ac26f4aa71f02d7624c439ab8389a7:
selftests/ftrace: add 'poll' binary to gitignore (2025-03-04 08:51:17 -0700)
----------------------------------------------------------------
linux_kselftest-next-6.15-rc1
Fixes bugs and cleans up code in tracing, ftrace, and user_events tests.
Adds missing executables to ftrace gitignore.
----------------------------------------------------------------
Bharadwaj Raju (1):
selftests/ftrace: add 'poll' binary to gitignore
Heiko Carstens (1):
selftests/ftrace: Use readelf to find entry point in uprobe test
Steven Rostedt (3):
selftests/tracing: Test only toplevel README file not the instances
selftests/ftrace: Clean up triggers after setting them
selftests/tracing: Allow some more tests to run in instances
Yiqian Xun (1):
selftests/user_events: Fix failures caused by test code
tools/testing/selftests/ftrace/.gitignore | 1 +
.../selftests/ftrace/test.d/dynevent/add_remove_uprobe.tc | 10 +++++++---
tools/testing/selftests/ftrace/test.d/functions | 8 +++++++-
.../test.d/trigger/inter-event/trigger-action-hist-xfail.tc | 1 +
.../test.d/trigger/inter-event/trigger-onchange-action-hist.tc | 3 +++
.../test.d/trigger/inter-event/trigger-snapshot-action-hist.tc | 3 +++
.../ftrace/test.d/trigger/trigger-hist-expressions.tc | 1 +
tools/testing/selftests/user_events/dyn_test.c | 2 ++
8 files changed, 25 insertions(+), 4 deletions(-)
----------------------------------------------------------------diff --git a/tools/testing/selftests/ftrace/.gitignore b/tools/testing/selftests/ftrace/.gitignore
index 2659417cb2c7..4d7fcb828850 100644
--- a/tools/testing/selftests/ftrace/.gitignore
+++ b/tools/testing/selftests/ftrace/.gitignore
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only
logs
+poll
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_uprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_uprobe.tc
index 86c76679c56e..f2048c244526 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_uprobe.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_uprobe.tc
@@ -3,14 +3,18 @@
# description: Generic dynamic event - add/remove/test uprobe events
# requires: uprobe_events
+if ! which readelf > /dev/null 2>&1 ; then
+ echo "No readelf found. skipped."
+ exit_unresolved
+fi
+
echo 0 > events/enable
echo > dynamic_events
REALBIN=`readlink -f /bin/sh`
+ENTRYPOINT=`readelf -h ${REALBIN} | grep Entry | sed -e 's/[^0]*//'`
-echo 'cat /proc/$$/maps' | /bin/sh | \
- grep "r-xp .*${REALBIN}$" | \
- awk '{printf "p:myevent %s:0x%s\n", $6,$3 }' >> uprobe_events
+echo "p:myevent ${REALBIN}:${ENTRYPOINT}" >> uprobe_events
grep -q myevent uprobe_events
test -d events/uprobes/myevent
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 84d6a9c7ad67..a1052bf460fc 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -156,7 +156,13 @@ check_requires() { # Check required files and tracers
exit_unsupported
fi
elif [ "$r" != "$i" ]; then
- if ! grep -Fq "$r" README ; then
+ # If this is an instance, check the top directory
+ if echo $TRACING_DIR | grep -q "/instances/"; then
+ test="$TRACING_DIR/../.."
+ else
+ test=$TRACING_DIR
+ fi
+ if ! grep -Fq "$r" $test/README ; then
echo "Required feature pattern \"$r\" is not in README."
exit_unsupported
fi
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc
index 1590d6bfb857..20a35fea13f8 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc
@@ -2,6 +2,7 @@
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test inter-event histogram trigger expected fail actions
# requires: set_event snapshot "snapshot()":README
+# flags: instance
fail() { #msg
echo $1
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
index 91339c130832..55ab0270e5f7 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc
@@ -2,6 +2,7 @@
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test inter-event histogram trigger onchange action
# requires: set_event "onchange(var)":README ping:program
+# flags: instance
fail() { #msg
echo $1
@@ -19,4 +20,6 @@ if ! grep -q "changed:" events/sched/sched_waking/hist; then
fail "Failed to create onchange action inter-event histogram"
fi
+echo '!hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio) if comm=="ping"' >> events/sched/sched_waking/trigger
+
exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
index 147967e86584..9eb37c2fa417 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
@@ -2,6 +2,7 @@
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test inter-event histogram trigger snapshot action
# requires: set_event snapshot events/sched/sched_process_fork/hist "onchange(var)":README "snapshot()":README ping:program
+# flags: instance
fail() { #msg
echo $1
@@ -27,4 +28,6 @@ if ! grep -q "comm=ping" snapshot; then
fail "Failed to create snapshot action inter-event histogram"
fi
+echo '!hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> events/sched/sched_waking/trigger
+
exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc
index 05ffba299dbf..0ebda2068a00 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc
@@ -2,6 +2,7 @@
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test histogram expression parsing
# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist error_log "<var1>=<field|var_ref|numeric_literal>":README
+# flags: instance
fail() { #msg
diff --git a/tools/testing/selftests/user_events/dyn_test.c b/tools/testing/selftests/user_events/dyn_test.c
index bdf9ab127488..54c9412f8dee 100644
--- a/tools/testing/selftests/user_events/dyn_test.c
+++ b/tools/testing/selftests/user_events/dyn_test.c
@@ -127,6 +127,8 @@ static int parse_abi(int *check, const char *value)
close(fd);
+ wait_for_delete();
+
return ret;
}