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authorMaxime Ripard <mripard@kernel.org>2024-12-02 12:44:18 +0100
committerMaxime Ripard <mripard@kernel.org>2024-12-02 12:44:18 +0100
commit3aba2eba84e0219fb66061359052be81bd883d53 (patch)
tree36da31539acaa6c360d0b606103d90926ac04e50 /kernel/time/timekeeping_debug.c
parent44cff6c5b0b17a78bc0b30372bcd816cf6dd282a (diff)
parent40384c840ea1944d7c5a392e8975ed088ecf0b37 (diff)
Merge drm/drm-next into drm-misc-next
Kickstart 6.14 cycle. Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'kernel/time/timekeeping_debug.c')
-rw-r--r--kernel/time/timekeeping_debug.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/time/timekeeping_debug.c b/kernel/time/timekeeping_debug.c
index b73e8850e58d..badeb222eab9 100644
--- a/kernel/time/timekeeping_debug.c
+++ b/kernel/time/timekeeping_debug.c
@@ -17,6 +17,9 @@
#define NUM_BINS 32
+/* Incremented every time mg_floor is updated */
+DEFINE_PER_CPU(unsigned long, timekeeping_mg_floor_swaps);
+
static unsigned int sleep_time_bin[NUM_BINS] = {0};
static int tk_debug_sleep_time_show(struct seq_file *s, void *data)
@@ -53,3 +56,13 @@ void tk_debug_account_sleep_time(const struct timespec64 *t)
(s64)t->tv_sec, t->tv_nsec / NSEC_PER_MSEC);
}
+unsigned long timekeeping_get_mg_floor_swaps(void)
+{
+ unsigned long sum = 0;
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ sum += data_race(per_cpu(timekeeping_mg_floor_swaps, cpu));
+
+ return sum;
+}