Update GPU profile types for PC sampling (#6362)

Author: gnurizen

ui/packages/shared/profile/src/ProfileMetricsGraph/index.tsx

@@ -368,9 +368,15 @@ const ProfileMetricsGraph = ({
           yAxisLabel = 'CPU Cores';
           yAxisUnit = '';
         }
-        if (sampleType === 'cuda') {
+        if (sampleType === 'cuda' || sampleType === 'gpu_time') {
           yAxisLabel = 'GPU Time';
         }
+        if (sampleType === 'gpu_kernel_time') {
+          yAxisLabel = 'GPU Kernel Time';
+        }
+        if (sampleType === 'gpu_stall_time') {
+          yAxisLabel = 'GPU Stall Time';
+        }
       }
       if (sampleUnit === 'bytes') {
         yAxisLabel = 'Bytes per Second';

ui/packages/shared/profile/src/ProfileTypeSelector/index.tsx

@@ -111,6 +111,18 @@ export const wellKnownProfiles: WellKnownProfiles = {
     name: 'On-GPU',
     help: 'Time spent on the GPU.',
   },
+  'parca_agent:gpu_time:nanoseconds:gpu_time:nanoseconds:delta': {
+    name: 'On-GPU',
+    help: 'Time spent on the GPU. Combines kernel execution time and PC stall samples; the gpu_view label distinguishes the two views.',
+  },
+  'parca_agent:gpu_kernel_time:nanoseconds:gpu_kernel_time:nanoseconds:delta': {
+    name: 'On-GPU',
+    help: 'GPU kernel execution time measured via CUDA runtime callbacks.',
+  },
+  'parca_agent:gpu_stall_time:nanoseconds:gpu_stall_time:nanoseconds:delta': {
+    name: 'GPU Stalls',
+    help: 'GPU stall time accumulated from PC sampling — shows where threads were waiting on the GPU.',
+  },
 };
 
 export function flexibleWellKnownProfileMatching(name: string): WellKnownProfile | undefined {