diff --git a/build/package/ceems_exporter/ceems_exporter.service b/build/package/ceems_exporter/ceems_exporter.service
index 8840dfa..3993c77 100644
--- a/build/package/ceems_exporter/ceems_exporter.service
+++ b/build/package/ceems_exporter/ceems_exporter.service
@@ -18,8 +18,8 @@ StartLimitInterval=0
 
 ProtectHome=read-only
 
-AmbientCapabilities=CAP_SYS_PTRACE CAP_DAC_READ_SEARCH CAP_SETUID CAP_SETGID CAP_BPF CAP_PERFMON CAP_SYS_RESOURCE
-CapabilityBoundingSet=CAP_SYS_PTRACE CAP_DAC_READ_SEARCH CAP_SETUID CAP_SETGID CAP_BPF CAP_PERFMON CAP_SYS_RESOURCE
+AmbientCapabilities=CAP_SYS_PTRACE CAP_DAC_READ_SEARCH CAP_SETUID CAP_SETGID CAP_DAC_OVERRIDE CAP_BPF CAP_PERFMON CAP_SYS_RESOURCE
+CapabilityBoundingSet=CAP_SYS_PTRACE CAP_DAC_READ_SEARCH CAP_SETUID CAP_SETGID CAP_DAC_OVERRIDE CAP_BPF CAP_PERFMON CAP_SYS_RESOURCE
 
 ProtectSystem=strict
 ProtectControlGroups=true
diff --git a/etc/nvidia-dcgm-exporter/counters.csv b/etc/nvidia-dcgm-exporter/counters.csv
index 1652843..b708b4f 100644
--- a/etc/nvidia-dcgm-exporter/counters.csv
+++ b/etc/nvidia-dcgm-exporter/counters.csv
@@ -38,6 +38,7 @@ DCGM_FI_DEV_XID_ERRORS,            gauge,   Value of the last XID error encounte
 # Memory usage
 DCGM_FI_DEV_FB_FREE, gauge, Frame buffer memory free (in MB).
 DCGM_FI_DEV_FB_USED, gauge, Frame buffer memory used (in MB).
+DCGM_FI_DEV_FB_RESERVED, gauge, Frame buffer memory reserved (in MB).
 
 # ECC
 # DCGM_FI_DEV_ECC_SBE_VOL_TOTAL, counter, Total number of single-bit volatile ECC errors.
diff --git a/etc/prometheus/rules/gpu.rules b/etc/prometheus/rules/gpu.rules
index 59133c5..d96bdf0 100644
--- a/etc/prometheus/rules/gpu.rules
+++ b/etc/prometheus/rules/gpu.rules
@@ -38,8 +38,21 @@ groups:
         expr: avg by (job)(avg_over_time(DCGM_FI_DEV_GPU_UTIL{job="sample-dcgm"}[1d:15m]))
 
       # Average GPU memory usage during last 1h
-      - record: instance:DCGM_FI_DEV_MEM_COPY_UTIL:avg1h
-        expr: avg by (job)(avg_over_time(DCGM_FI_DEV_MEM_COPY_UTIL{job="sample-dcgm"}[1d:15m]))
+      - record: instance:DCGM_FI_DEV_MEM_UTIL:avg1h
+        expr: |2
+          avg by (job) (
+            avg_over_time(
+              (
+                  (sum by (Hostname) (DCGM_FI_DEV_FB_USED{job="sample-dcgm"}))
+                /
+                  (
+                      sum by (Hostname) (DCGM_FI_DEV_FB_USED{job="sample-dcgm"})
+                    +
+                      sum by (Hostname) (DCGM_FI_DEV_FB_FREE{job="sample-dcgm"})
+                  )
+              )[1h:15m]
+            )
+          )
 
       # Total energy usage during last 1h in kWh
       # PUE of 1 is used by default. Use appropriate PUE by replacing 1 by PUE ratio in expr