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Added column definitions to arcstat.py

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grow: ARC Grow enabled (!arc_no_grow)
free: ARC Free memory (arc_sys_free)
need: ARC Reclaim need (arc_need_free)

Fixed alignment issues (mread had wrong width).

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Gregor Kopka <gregor@kopka.net>
Closes #8058
This commit is contained in:
Gregor Kopka 2018-10-30 00:18:20 +01:00 committed by Brian Behlendorf
parent bea7578356
commit 63a77ae3cf
1 changed files with 8 additions and 1 deletions
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9
cmd/arcstat/arcstat.py
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@ -71,7 +71,7 @@ cols = {
"pm%": [3, 100, "Prefetch miss percentage"], "pm%": [3, 100, "Prefetch miss percentage"],
"mhit": [4, 1000, "Metadata hits per second"], "mhit": [4, 1000, "Metadata hits per second"],
"mmis": [4, 1000, "Metadata misses per second"], "mmis": [4, 1000, "Metadata misses per second"],
"mread": [4, 1000, "Metadata accesses per second"], "mread": [5, 1000, "Metadata accesses per second"],
"mh%": [3, 100, "Metadata hit percentage"], "mh%": [3, 100, "Metadata hit percentage"],
"mm%": [3, 100, "Metadata miss percentage"], "mm%": [3, 100, "Metadata miss percentage"],
"arcsz": [5, 1024, "ARC Size"], "arcsz": [5, 1024, "ARC Size"],
@ -92,6 +92,9 @@ cols = {
"l2asize": [7, 1024, "Actual (compressed) size of the L2ARC"], "l2asize": [7, 1024, "Actual (compressed) size of the L2ARC"],
"l2size": [6, 1024, "Size of the L2ARC"], "l2size": [6, 1024, "Size of the L2ARC"],
"l2bytes": [7, 1024, "bytes read per second from the L2ARC"], "l2bytes": [7, 1024, "bytes read per second from the L2ARC"],
"grow": [4, 1000, "ARC Grow disabled"],
"need": [4, 1024, "ARC Reclaim need"],
"free": [4, 1024, "ARC Free memory"],
} }
v = {} v = {}
@ -423,6 +426,10 @@ def calculate():
v["l2size"] = cur["l2_size"] v["l2size"] = cur["l2_size"]
v["l2bytes"] = d["l2_read_bytes"] / sint v["l2bytes"] = d["l2_read_bytes"] / sint
v["grow"] = 0 if cur["arc_no_grow"] else 1
v["need"] = cur["arc_need_free"]
v["free"] = cur["arc_sys_free"]
def main(): def main():
global sint global sint