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-rw-r--r--src/freedreno/perfcntrs/fdperf.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/src/freedreno/perfcntrs/fdperf.c b/src/freedreno/perfcntrs/fdperf.c
index bf2cecabae9..7e562367df6 100644
--- a/src/freedreno/perfcntrs/fdperf.c
+++ b/src/freedreno/perfcntrs/fdperf.c
@@ -97,6 +97,7 @@ static struct {
static void config_save(void);
static void config_restore(void);
+static void restore_counter_groups(void);
/*
* helpers
@@ -863,6 +864,7 @@ static void
main_ui(void)
{
WINDOW *mainwin;
+ uint32_t last_time = gettime_us();
/* curses setup: */
mainwin = initscr();
@@ -907,6 +909,16 @@ main_ui(void)
}
resample();
redraw(mainwin);
+
+ /* restore the counters every 0.5s in case the GPU has suspended,
+ * in which case the current selected countables will have reset:
+ */
+ uint32_t t = gettime_us();
+ if (delta(last_time, t) > 500000) {
+ restore_counter_groups();
+ flush_ring();
+ last_time = t;
+ }
}
/* restore settings.. maybe we need an atexit()??*/
@@ -917,6 +929,23 @@ out:
}
static void
+restore_counter_groups(void)
+{
+ for (unsigned i = 0; i < dev.ngroups; i++) {
+ struct counter_group *group = &dev.groups[i];
+ unsigned j = 0;
+
+ /* NOTE skip CP the first CP counter */
+ if (i == 0)
+ j++;
+
+ for (; j < group->group->num_counters; j++) {
+ select_counter(group, j, group->counter[j].select_val);
+ }
+ }
+}
+
+static void
setup_counter_groups(const struct fd_perfcntr_group *groups)
{
for (unsigned i = 0; i < dev.ngroups; i++) {
@@ -939,7 +968,7 @@ setup_counter_groups(const struct fd_perfcntr_group *groups)
group->counter[j].val_hi = dev.io + (group->counter[j].counter->counter_reg_hi * 4);
group->counter[j].val_lo = dev.io + (group->counter[j].counter->counter_reg_lo * 4);
- select_counter(group, j, j);
+ group->counter[j].select_val = j;
}
for (unsigned j = 0; j < group->group->num_countables; j++) {
@@ -1049,6 +1078,7 @@ main(int argc, char **argv)
dev.groups = calloc(dev.ngroups, sizeof(struct counter_group));
setup_counter_groups(groups);
+ restore_counter_groups();
config_restore();
flush_ring();