in_gpu_metrics: Add debug output on failure for NVIDIA GPU detection

cosmo0920 · cosmo0920 · commit 505af8a1a4a2 · 2026-04-16T12:31:24.000+09:00
Signed-off-by: Hiroshi Hatake &lt;hiroshi@chronosphere.io&gt;
diff --git a/plugins/in_gpu_metrics/gpu_metrics.c b/plugins/in_gpu_metrics/gpu_metrics.c
@@ -126,7 +126,9 @@ static int in_gpu_init(struct flb_input_instance *ins,
 
     amd_gpu_detect_cards(ctx);
     if (nvml_gpu_initialize(ctx) == 0) {
-        nvml_gpu_detect_cards(ctx);
+        if (nvml_gpu_detect_cards(ctx) != 0) {
+            flb_plg_debug(ctx->ins, "NVML card detection encountered errors");
+        }
     }
     flb_input_set_context(ins, ctx);
 

Original file line number	Diff line number	Diff line change
`@@ -126,7 +126,9 @@ static int in_gpu_init(struct flb_input_instance *ins,`
`126`	`126`
`127`	`127`	`amd_gpu_detect_cards(ctx);`
`128`	`128`	`if (nvml_gpu_initialize(ctx) == 0) {`
`129`		`- nvml_gpu_detect_cards(ctx);`
	`129`	`+ if (nvml_gpu_detect_cards(ctx) != 0) {`
	`130`	`+ flb_plg_debug(ctx->ins, "NVML card detection encountered errors");`
	`131`	`+ }`
`130`	`132`	`}`
`131`	`133`	`flb_input_set_context(ins, ctx);`
`132`	`134`