Update arcstat: add Anonymous, MFU, MRU, Uncached

Signed-off-by: Theera K. <[email protected]>

cmd/arcstat.in

@@ -115,8 +115,6 @@ cols = {
     "arcsz":      [5, 1024, "ARC size"],
     "size":       [5, 1024, "ARC size"],
     "c":          [5, 1024, "ARC target size"],
-    "mfusz":      [5, 1024, "MFU size"],
-    "mrusz":      [5, 1024, "MRU size"],
     "mfu":        [4, 1000, "MFU list hits per second"],
     "mru":        [4, 1000, "MRU list hits per second"],
     "mfug":       [4, 1000, "MFU ghost list hits per second"],
@@ -171,6 +169,23 @@ cols = {
     "zissued":    [7, 1000, "zfetch prefetches issued per second"],
     "zactive":    [7, 1000, "zfetch prefetches active per second"],
 }
+fields = {
+    "ano": ["anon", "Anonymous"],
+    "mfu": ["mfu", "MFU"],
+    "mru": ["mru", "MRU"],
+    "unc": ["uncached", "Uncached"],
+}
+stats = {
+    "sz":    ["_size", "size"],
+    "data":  ["_data", "data size"],
+    "meta":  ["_metadata", "metadata size"],
+    "edata": ["_evictable_data", "evictable data size"],
+    "emeta": ["_evictable_metadata", "evictable metadata size"],
+}
+for stat, statval in stats.items():
+    for field, fieldval in fields.items():
+        colname = field + stat
+        cols[colname] = [len(colname), 1024, fieldval[1] + " " + statval[1]]
 
 v = {}
 hdr = ["time", "read", "ddread", "ddh%", "dmread", "dmh%", "pread", "ph%",
@@ -509,6 +524,8 @@ def calculate():
     global d
     global v
     global l2exist
+    global fields
+    global stats
 
     v = dict()
     v["time"] = time.strftime("%H:%M:%S", time.localtime())
@@ -588,11 +605,13 @@ def calculate():
     v["mi%"] = 100 * v["mioh"] // v["mread"] if v["mread"] > 0 else 0
     v["mm%"] = 100 - v["mh%"] - v["mi%"] if v["mread"] > 0 else 0
 
+    for stat, statval in stats.items():
+        for field, fieldval in fields.items():
+            v[field + stat] = cur[fieldval[0] + statval[0]]
+
     v["arcsz"] = cur["size"]
     v["size"] = cur["size"]
     v["c"] = cur["c"]
-    v["mfusz"] = cur["mfu_size"]
-    v["mrusz"] = cur["mru_size"]
     v["mfu"] = d["mfu_hits"] // sint
     v["mru"] = d["mru_hits"] // sint
     v["mrug"] = d["mru_ghost_hits"] // sint