[PATCH v2] mountstats: Adding 'Day:Hour:Min:Sec' format along with 'age' to "mountstats --nfs" for ease of understanding.

[Rohan Sable <rsable@redhat.com>]

This patch adds printing of 'Age' in 'Sec' and 'Day:Hours:Min:Sec' like below to --nfs in mountstats :
NFS mount age: 9479; 0 Day(s) 2 Hour(s) 37 Min(s) 59 Sec(s)

Signed-off-by: Rohan Sable <rsable@redhat.com>
---
 tools/mountstats/mountstats.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tools/mountstats/mountstats.py b/tools/mountstats/mountstats.py
index d565385d..c4f4f9e6 100755
--- a/tools/mountstats/mountstats.py
+++ b/tools/mountstats/mountstats.py
@@ -233,6 +233,16 @@ Nfsv4ops = [
     'COPY_NOTIFY'
 ]
 
+# Function to convert sec from age to Day:Hours:Min:Sec.
+def sec_conv(rem):
+    day = int(rem / (24 * 3600))
+    rem %= (24 * 3600)
+    hrs = int(rem / 3600)
+    rem %= 3600
+    min = int(rem / 60)
+    sec = rem % 60
+    print(day, "Day(s)", hrs, "Hour(s)", min, "Min(s)", sec, "Sec(s)")
+
 class DeviceData:
     """DeviceData objects provide methods for parsing and displaying
     data for a single mount grabbed from /proc/self/mountstats
@@ -391,6 +401,8 @@ class DeviceData:
         """Pretty-print the NFS options
         """
         print('  NFS mount options: %s' % ','.join(self.__nfs_data['mountoptions']))
+        print('  NFS mount age: %d' % self.__nfs_data['age'], end="; ")
+        sec_conv(self.__nfs_data['age'])
         print('  NFS server capabilities: %s' % ','.join(self.__nfs_data['servercapabilities']))
         if 'nfsv4flags' in self.__nfs_data:
             print('  NFSv4 capability flags: %s' % ','.join(self.__nfs_data['nfsv4flags']))
-- 
2.25.4