Merge branch 'next' into for-linus

Prepare input updates for 6.6 merge window.

1 files changed, 19 insertions, 6 deletions

diff --git a/tools/testing/selftests/proc/proc-uptime-001.c b/tools/testing/selftests/proc/proc-uptime-001.c
index 781f7a50fc3f1..f335eec5067e9 100644
--- a/tools/testing/selftests/proc/proc-uptime-001.c
+++ b/tools/testing/selftests/proc/proc-uptime-001.c
@@ -13,7 +13,9 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
-// Test that values in /proc/uptime increment monotonically.
+// Test that boottime value in /proc/uptime and CLOCK_BOOTTIME increment
+// monotonically. We don't test idle time monotonicity due to broken iowait
+// task counting, cf: comment above get_cpu_idle_time_us()
 #undef NDEBUG
 #include <assert.h>
 #include <stdint.h>
@@ -25,20 +27,31 @@
 
 int main(void)
 {
-	uint64_t start, u0, u1, i0, i1;
+	uint64_t start, u0, u1, c0, c1;
 	int fd;
 
 	fd = open("/proc/uptime", O_RDONLY);
 	assert(fd >= 0);
 
-	proc_uptime(fd, &u0, &i0);
+	u0 = proc_uptime(fd);
 	start = u0;
+	c0 = clock_boottime();
+
 	do {
-		proc_uptime(fd, &u1, &i1);
+		u1 = proc_uptime(fd);
+		c1 = clock_boottime();
+
+		/* Is /proc/uptime monotonic ? */
 		assert(u1 >= u0);
-		assert(i1 >= i0);
+
+		/* Is CLOCK_BOOTTIME monotonic ? */
+		assert(c1 >= c0);
+
+		/* Is CLOCK_BOOTTIME VS /proc/uptime monotonic ? */
+		assert(c0 >= u0);
+
 		u0 = u1;
-		i0 = i1;
+		c0 = c1;
 	} while (u1 - start < 100);
 
 	return 0;