overlay: Hide idle processes

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/overlay/gpu-perf.h b/overlay/gpu-perf.h
index fae60bc..23eba2f 100644 (file)
--- a/overlay/gpu-perf.h
+++ b/overlay/gpu-perf.h
@@ -53,6 +53,8 @@ struct gpu_perf {
 
                uint64_t wait_time;
                uint32_t nr_sema;
+
+               time_t show;
        } *comm;
        struct gpu_perf_time {
                struct gpu_perf_time *next;

diff --git a/overlay/overlay.c b/overlay/overlay.c
index b6ae1c9..19d26e3 100644 (file)
--- a/overlay/overlay.c
+++ b/overlay/overlay.c
@@ -344,6 +344,16 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
                return;
        }
 
+       if (gp->gpu_perf.comm == NULL) {
+               cairo_text_extents_t extents;
+               cairo_text_extents(ctx->cr, gp->gpu_perf.error, &extents);
+               cairo_move_to(ctx->cr,
+                             ctx->width/2+HALF_PAD + (ctx->width/2-SIZE_PAD - extents.width)/2.,
+                             PAD + (ctx->height/2-SIZE_PAD + extents.height)/2.);
+               cairo_show_text(ctx->cr, "idle");
+               return;
+       }
+
        y = PAD + 12 - 2;
        x = ctx->width/2 + HALF_PAD;
 
@@ -411,6 +421,7 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
                                continue;
                        len += sprintf(buf + len, "%s %d%s", need_comma ? "," : "", comm->nr_requests[n], ring_name[n]);
                        need_comma = true;
+                       comm->show = ctx->time;
                }
                if (comm->wait_time) {
                        if (comm->wait_time > 1000*1000) {
@@ -428,6 +439,7 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
                        }
                        need_comma = true;
                        comm->wait_time = 0;
+                       comm->show = ctx->time;
                }
                if (comm->nr_sema) {
                        len += sprintf(buf + len, "%s %d syncs",
@@ -435,6 +447,7 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
                                       comm->nr_sema);
                        need_comma = true;
                        comm->nr_sema = 0;
+                       comm->show = ctx->time;
                }
 
                if (comm->user_data) {
@@ -452,7 +465,8 @@ static void show_gpu_perf(struct overlay_context *ctx, struct overlay_gpu_perf *
 
 skip_comm:
                memset(comm->nr_requests, 0, sizeof(comm->nr_requests));
-               if (strcmp(comm->name, get_comm(comm->pid, buf, sizeof(buf)))) {
+               if (comm->show < ctx->time - 10 ||
+                   strcmp(comm->name, get_comm(comm->pid, buf, sizeof(buf)))) {
                        *prev = comm->next;
                        if (comm->user_data) {
                                chart_fini(comm->user_data);