Fix division by zero on intel xe

Fixes: #354

Author: Syllo

src/extract_gpuinfo_intel_xe.c

@@ -227,17 +227,22 @@ bool parse_drm_fdinfo_intel_xe(struct gpu_info *info, FILE *fdinfo_file, struct
     {
       uint64_t cycles_delta = gpu_cycles.rcs - cache_entry->gpu_cycles.rcs;
       uint64_t total_cycles_delta = total_cycles.rcs - cache_entry->total_cycles.rcs;
-      SET_GPUINFO_PROCESS(process_info, gpu_usage, cycles_delta * 100 / total_cycles_delta);
+      if (total_cycles_delta > 0)
+        SET_GPUINFO_PROCESS(process_info, gpu_usage, cycles_delta * 100 / total_cycles_delta);
+      else
+        SET_GPUINFO_PROCESS(process_info, gpu_usage, 0);
     }
     {
       uint64_t cycles_delta = gpu_cycles.ccs - cache_entry->gpu_cycles.ccs;
       uint64_t total_cycles_delta = total_cycles.ccs - cache_entry->total_cycles.ccs;
-      SET_GPUINFO_PROCESS(process_info, gpu_usage, process_info->gpu_usage + cycles_delta * 100 / total_cycles_delta);
+      if (total_cycles_delta > 0)
+        SET_GPUINFO_PROCESS(process_info, gpu_usage, process_info->gpu_usage + cycles_delta * 100 / total_cycles_delta);
     }
     {
       uint64_t cycles_delta = gpu_cycles.vcs - cache_entry->gpu_cycles.vcs;
       uint64_t total_cycles_delta = total_cycles.vcs - cache_entry->total_cycles.vcs;
-      SET_GPUINFO_PROCESS(process_info, decode_usage, cycles_delta * 100 / total_cycles_delta);
+      if (total_cycles_delta > 0)
+        SET_GPUINFO_PROCESS(process_info, decode_usage, cycles_delta * 100 / total_cycles_delta);
     }
 
   } else {