Update README.md

Author: bravindr

README.md

@@ -21,7 +21,7 @@ Intel® Memory Usage Analyzer can
 
 ## Requirements
 
-* Linux system with sudo access
+* Linux system with sudo access for configuration scripts
 * Linux kernel version >= v4.18
   * zswap support 
   * swap accounting enabled - add kernel parameter  `swapaccount=1` 

src/analyzer/analyze.py

@@ -67,7 +67,6 @@ def memoryanalysis(self , df):
         print(f'Maximum zram memory            = {max_zram_used:3f} GiB')
         print(f'incompressible data ratio(zram)= {100 * incompressible_data_ratio:.1f}%')
 
-        full_total_memory_pressure = 0
         try:
             print(f'full total memory pressure            = {full_total_memory_pressure} us')
         except ImportError:
@@ -110,10 +109,6 @@ def run(self):
         print(f'Total PFs (Major+Minor) = {total_pf}')
         print(f'Major PFs = {major_total_pf}')
 
-        print(f'Total Diff (difference b/w total ({total:.2f} GiB)  and\
-              cgroup_total_max({cgroup_total_max:.2f} GiB)) = {total_diff:.2f} GiB')
-        print(f'file sum: {file_sum:.2f} GiB')
-
         if "zswap_total_cpu_comp_calls" in df.columns:
             total_cpu_comp_calls = df.zswap_total_cpu_comp_calls.max() -\
                 df.zswap_total_cpu_comp_calls.min()

tests/config_script/config.py

@@ -82,6 +82,13 @@ def check_requirements(self):
         print('[ERROR]. perf tool is not available')
         passed = False
 
+    # check python version
+    if (sys.version_info >= (3,7)):
+        print(f'[OK] python version >= 3.7')
+    else:
+        print(f'[ERROR] python version < 3.7')
+        passed = False
+
     if not passed:
         print('System config check failed')
         return 1