fix in ifstat

collect.py

@@ -82,29 +82,28 @@ def scaleIostat_cpu():
         print(f"Error running command: {collect}")
 
 
-def coreIostat_cpu():
-    command = ["iostat", "-c", "1", "1"]
-    filename = "cpuStat.csv"
+def ifstat():
+    command = ["ifstat", "-znq", "1", "1"]
 
+    filename = "ifStat.csv"
     collect = runCollect(command)
-
     if collect:
-        byline = re.split("\n", collect.strip())
-        data = byline[3].strip()
-        lineData = data.split()
+        # process collection string
+        bylines = collect.split("\n")
+        interfaces = bylines[0].split()
+        stats = bylines[2].split()
 
-        if lineData:
-            with open(filename, "a", newline="") as csvfile:
-                csv_writer = csv.writer(csvfile)
-                lineData.insert(0, "cpu")
-                lineData.insert(0, getTimestamp())
-                csv_writer.writerow(lineData)
-
-    else:
-        print(f"Error running command: {collect}")
+        for nic in interfaces:
+            lineData = [getTimestamp(), nic, stats.pop(0), stats.pop(0)]
+            if lineData:
+                with open(filename, "a", newline="") as csvfile:
+                    csv_writer = csv.writer(csvfile)
+                    csv_writer.writerow(lineData)
+            else:
+                print(f"Error running command: {collect}")
 
 
-def coreifstat():
+def coreCPUstat():
     command = ["iostat", "-C", "-t", "proc", "-d"]
     filename = "cpuStat.csv"
 
@@ -194,14 +193,14 @@ def collect_data(minutes, interval):
         print(f" {i}", end="")
 
         zpoolIostat()
-        coreifstat()
+        ifstat()
 
         if is_debian():
             scaleIostat_cpu()
             scaleIostat_disk()
 
         if is_freebsd():
-            coreIostat_cpu()
+            coreCPUstat()
 
         if i == minutes:
             break
@@ -209,6 +208,7 @@ def collect_data(minutes, interval):
         time.sleep(interval)
 
     print("")
+
     # kill gstat if freebsd
     if is_freebsd():
         process.kill()