[Intel-gfx] [PATCH i-g-t 2/3] intel_gpu_top: Add option to hide inactive clients

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Allow hiding inactive clients (used no GPU time ever) in interactive mode
by pressing 'i'.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 man/intel_gpu_top.rst | 1 +
 tools/intel_gpu_top.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/man/intel_gpu_top.rst b/man/intel_gpu_top.rst
index b18fd9675bb7..118d8b953a70 100644
--- a/man/intel_gpu_top.rst
+++ b/man/intel_gpu_top.rst
@@ -57,6 +57,7 @@ Supported keys:
     '1'    Toggle between aggregated engine class and physical engine mode.
     'n'    Toggle display of numeric client busyness overlay.
     's'    Toggle between sort modes (runtime, total runtime, client id).
+    'i'    Toggle display of clients which used no GPU time.
 
 DEVICE SELECTION
 ================
diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c
index 60ff62d28e5d..dffc6ebecc57 100644
--- a/tools/intel_gpu_top.c
+++ b/tools/intel_gpu_top.c
@@ -1933,6 +1933,7 @@ print_clients_header(struct clients *clients, int lines,
 }
 
 static bool numeric_clients;
+static bool filter_idle;
 
 static int
 print_client(struct client *c, struct engines *engines, double t, int lines,
@@ -1942,6 +1943,9 @@ print_client(struct client *c, struct engines *engines, double t, int lines,
 	unsigned int i;
 
 	if (output_mode == INTERACTIVE) {
+		if (filter_idle && !c->total_runtime)
+			return lines;
+
 		lines++;
 
 		printf("%6u %17s ", c->pid, c->print_name);
@@ -2118,6 +2122,9 @@ static void process_stdin(unsigned int timeout_us)
 		case '1':
 			class_view ^= true;
 			break;
+		case 'i':
+			filter_idle ^= true;
+			break;
 		case 'n':
 			numeric_clients ^= true;
 			break;
-- 
2.27.0