arcstat: add structural, types, states breakdown
add ARC structural breakdown, ARC types breakdown, ARC states breakdown similar to arc_summary Signed-off-by: Theera K. <tkittich@hotmail.com> rename column names to fit 5 chars Signed-off-by: Theera K. <tkittich@hotmail.com> rename column names to fit 5 chars Signed-off-by: Theera K. <tkittich@hotmail.com> add data target, metadata target Signed-off-by: Theera K. <tkittich@hotmail.com> add data target, metadata target Signed-off-by: Theera K. <tkittich@hotmail.com> fix abd typo Signed-off-by: Theera K. <tkittich@hotmail.com> fix abd typo Signed-off-by: Theera K. <tkittich@hotmail.com> make column name a bit shorter Signed-off-by: Theera K. <tkittich@hotmail.com> make column name a bit shorter Signed-off-by: Theera K. <tkittich@hotmail.com> fix structural typo Signed-off-by: Theera K. <tkittich@hotmail.com> Delete cmd/arc_summary.py incorrect file extension Signed-off-by: Theera K. <tkittich@hotmail.com> fix structural typo Signed-off-by: Theera K. <tkittich@hotmail.com> arcstat: add structural, types, states breakdown add ARC structural breakdown, ARC types breakdown, ARC states breakdown similar to arc_summary Signed-off-by: Theera K. <tkittich@hotmail.com> Update arcstat: add Anonymous, MFU, MRU, Uncached Signed-off-by: Theera K. <tkittich@hotmail.com> Update arcstat: add Anonymous, MFU, MRU, Uncached Signed-off-by: Theera K. <tkittich@hotmail.com> Update arcstat: add Anonymous, MFU, MRU, Uncached Signed-off-by: Theera K. <tkittich@hotmail.com> Update arcstat.1 : add mfusz, mrusz, l2wbytes Signed-off-by: Theera K. <tkittich@hotmail.com> Update arcstat: add mfusz, mrusz, l2wbytes mfusz: MFU size mrusz: MRU size l2wbytes: Bytes write per second to the L2ARC Signed-off-by: Theera K. <tkittich@hotmail.com> remove extra spaces Signed-off-by: Theera K. <tkittich@hotmail.com> arcstat: add target size of data, meta, MFU, MRU arcstat: add target size of ARC data, ARC metadata, MFU, MRU Signed-off-by: Theera K. <tkittich@hotmail.com> arcstat: add target size of data, meta, MFU, MRU arcstat: add target size of ARC data, ARC metadata, MFU, MRU Signed-off-by: Theera K. <tkittich@hotmail.com>
This commit is contained in:
Theera K.
parent
d4d79451cb
commit
bed30228e4
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@ -566,7 +566,7 @@ def section_arc(kstats_dict):
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l2_hdr_size = arc_stats['l2_hdr_size']
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abd_chunk_waste_size = arc_stats['abd_chunk_waste_size']
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prt_1('ARC structal breakdown (current size):', f_bytes(arc_size))
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prt_1('ARC structural breakdown (current size):', f_bytes(arc_size))
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prt_i2('Compressed size:',
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f_perc(compressed_size, arc_size), f_bytes(compressed_size))
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prt_i2('Overhead size:',
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119
cmd/arcstat.in
119
cmd/arcstat.in
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@ -152,6 +152,7 @@ cols = {
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"l2asize": [7, 1024, "Actual (compressed) size of the L2ARC"],
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"l2size": [6, 1024, "Size of the L2ARC"],
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"l2bytes": [7, 1024, "Bytes read per second from the L2ARC"],
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"l2wbytes": [8, 1024, "Bytes written per second to the L2ARC"],
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"grow": [4, 1000, "ARC grow disabled"],
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"need": [5, 1024, "ARC reclaim need"],
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"free": [5, 1024, "ARC free memory"],
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@ -169,6 +170,83 @@ cols = {
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"zactive": [7, 1000, "zfetch prefetches active per second"],
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}
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# ARC structural breakdown from arc_summary
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structfields = {
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"cmp": ["compressed", "Compressed"],
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"ovh": ["overhead", "Overhead"],
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"bon": ["bonus", "Bonus"],
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"dno": ["dnode", "Dnode"],
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"dbu": ["dbuf", "Dbuf"],
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"hdr": ["hdr", "Header"],
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"l2h": ["l2_hdr", "L2 header"],
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"abd": ["abd_chunk_waste", "ABD chunk waste"],
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}
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structstats = { # size stats
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"percent": "size", # percentage of this value
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"sz": ["_size", "size"],
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}
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# ARC types breakdown from arc_summary
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typefields = {
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"data": ["data", "ARC data"],
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"meta": ["metadata", "ARC metadata"],
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}
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typestats = { # size stats
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"percent": "cachessz", # percentage of this value
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"tg": ["_target", "target"],
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"sz": ["_size", "size"],
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}
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# ARC states breakdown from arc_summary
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statefields = {
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"ano": ["anon", "Anonymous"],
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"mfu": ["mfu", "MFU"],
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"mru": ["mru", "MRU"],
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"unc": ["uncached", "Uncached"],
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}
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targetstats = {
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"percent": "cachessz", # percentage of this value
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"fields": ["mfu", "mru"], # only applicable to these fields
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"tg": ["_target", "target"],
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"dat": ["_data_target", "data target"],
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"met": ["_metadata_target", "metadata target"],
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}
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statestats = { # size stats
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"percent": "cachessz", # percentage of this value
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"sz": ["_size", "size"],
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"data": ["_data", "data size"],
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"meta": ["_metadata", "metadata size"],
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"eda": ["_evictable_data", "evictable data size"],
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"eme": ["_evictable_metadata", "evictable metadata size"],
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}
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ghoststats = {
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"fields": ["mfu", "mru"], # only applicable to these fields
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"gsz": ["_ghost_size", "ghost size"],
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"gda": ["_ghost_data", "ghost data size"],
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"gme": ["_ghost_metadata", "ghost metadata size"],
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}
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# fields and stats
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fieldstats = [
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[structfields, structstats],
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[typefields, typestats],
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[statefields, targetstats, statestats, ghoststats],
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]
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for fs in fieldstats:
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fields, stats = fs[0], fs[1:]
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for field, fieldval in fields.items():
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for group in stats:
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for stat, statval in group.items():
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if stat in ["fields", "percent"] or \
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("fields" in group and field not in group["fields"]):
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continue
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colname = field + stat
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coldesc = fieldval[1] + " " + statval[1]
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cols[colname] = [len(colname), 1024, coldesc]
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if "percent" in group:
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cols[colname + "%"] = [len(colname) + 1, 100, \
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coldesc + " percentage"]
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v = {}
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hdr = ["time", "read", "ddread", "ddh%", "dmread", "dmh%", "pread", "ph%",
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"size", "c", "avail"]
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@ -286,6 +364,29 @@ def snap_stats():
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kstat_update()
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cur = kstat
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# fill in additional values from arc_summary
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cur["caches_size"] = caches_size = cur["anon_data"]+cur["anon_metadata"]+\
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cur["mfu_data"]+cur["mfu_metadata"]+cur["mru_data"]+cur["mru_metadata"]+\
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cur["uncached_data"]+cur["uncached_metadata"]
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s = 4294967296
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pd = cur["pd"]
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pm = cur["pm"]
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meta = cur["meta"]
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v = (s-int(pd))*(s-int(meta))/s
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cur["mfu_data_target"] = v / 65536 * caches_size / 65536
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v = (s-int(pm))*int(meta)/s
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cur["mfu_metadata_target"] = v / 65536 * caches_size / 65536
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v = int(pd)*(s-int(meta))/s
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cur["mru_data_target"] = v / 65536 * caches_size / 65536
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v = int(pm)*int(meta)/s
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cur["mru_metadata_target"] = v / 65536 * caches_size / 65536
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cur["data_target"] = cur["mfu_data_target"] + cur["mru_data_target"]
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cur["metadata_target"] = cur["mfu_metadata_target"] + cur["mru_metadata_target"]
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cur["mfu_target"] = cur["mfu_data_target"] + cur["mfu_metadata_target"]
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cur["mru_target"] = cur["mru_data_target"] + cur["mru_metadata_target"]
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for key in cur:
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if re.match(key, "class"):
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continue
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@ -506,6 +607,7 @@ def calculate():
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global d
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global v
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global l2exist
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global fieldstats
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v = dict()
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v["time"] = time.strftime("%H:%M:%S", time.localtime())
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@ -613,6 +715,22 @@ def calculate():
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v["zissued"] = d["zfetch_io_issued"] // sint
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v["zactive"] = d["zfetch_io_active"] // sint
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# ARC structural breakdown, ARC types breakdown, ARC states breakdown
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v["cachessz"] = cur["caches_size"]
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for fs in fieldstats:
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fields, stats = fs[0], fs[1:]
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for field, fieldval in fields.items():
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for group in stats:
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for stat, statval in group.items():
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if stat in ["fields", "percent"] or \
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("fields" in group and field not in group["fields"]):
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continue
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colname = field + stat
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v[colname] = cur[fieldval[0] + statval[0]]
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if "percent" in group:
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v[colname + "%"] = 100 * v[colname] // \
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v[group["percent"]] if v[group["percent"]] > 0 else 0
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if l2exist:
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v["l2hits"] = d["l2_hits"] // sint
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v["l2miss"] = d["l2_misses"] // sint
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@ -623,6 +741,7 @@ def calculate():
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v["l2asize"] = cur["l2_asize"]
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v["l2size"] = cur["l2_size"]
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v["l2bytes"] = d["l2_read_bytes"] // sint
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v["l2wbytes"] = d["l2_write_bytes"] // sint
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v["l2pref"] = cur["l2_prefetch_asize"]
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v["l2mfu"] = cur["l2_mfu_asize"]
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@ -199,10 +199,176 @@ Size of the L2ARC
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mutex_miss per second
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.It Sy l2bytes
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Bytes read per second from the L2ARC
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.It Sy l2wbytes
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Bytes written per second to the L2ARC
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.It Sy l2miss%
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L2ARC access miss percentage
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.It Sy l2asize
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Actual (compressed) size of the L2ARC
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.It Sy cmpsz
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Compressed size
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.It Sy cmpsz%
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Compressed size percentage
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.It Sy ovhsz
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Overhead size
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.It Sy ovhsz%
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Overhead size percentage
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.It Sy bonsz
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Bonus size
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.It Sy bonsz%
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Bonus size percentage
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.It Sy dnosz
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Dnode size
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.It Sy dnosz%
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Dnode size percentage
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.It Sy dbusz
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Dbuf size
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.It Sy dbusz%
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Dbuf size percentage
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.It Sy hdrsz
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Header size
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.It Sy hdrsz%
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Header size percentage
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.It Sy l2hsz
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L2 header size
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.It Sy l2hsz%
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L2 header size percentage
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.It Sy abdsz
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ABD chunk waste size
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.It Sy abdsz%
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ABD chunk waste size percentage
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.It Sy datatg
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ARC data target
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.It Sy datatg%
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ARC data target percentage
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.It Sy datasz
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ARC data size
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.It Sy datasz%
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ARC data size percentage
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.It Sy metatg
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ARC metadata target
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.It Sy metatg%
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ARC metadata target percentage
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.It Sy metasz
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ARC metadata size
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.It Sy metasz%
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ARC metadata size percentage
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.It Sy anosz
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Anonymous size
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.It Sy anosz%
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Anonymous size percentage
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.It Sy anodata
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Anonymous data size
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.It Sy anodata%
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Anonymous data size percentage
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.It Sy anometa
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Anonymous metadata size
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.It Sy anometa%
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Anonymous metadata size percentage
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.It Sy anoeda
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Anonymous evictable data size
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.It Sy anoeda%
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Anonymous evictable data size percentage
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.It Sy anoeme
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Anonymous evictable metadata size
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.It Sy anoeme%
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Anonymous evictable metadata size percentage
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.It Sy mfutg
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MFU target
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.It Sy mfutg%
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MFU target percentage
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.It Sy mfudat
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MFU data target
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.It Sy mfudat%
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MFU data target percentage
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.It Sy mfumet
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MFU metadata target
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.It Sy mfumet%
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MFU metadata target percentage
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.It Sy mfusz
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MFU size
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.It Sy mfusz%
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MFU size percentage
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.It Sy mfudata
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MFU data size
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.It Sy mfudata%
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MFU data size percentage
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.It Sy mfumeta
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MFU metadata size
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.It Sy mfumeta%
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MFU metadata size percentage
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.It Sy mfueda
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MFU evictable data size
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.It Sy mfueda%
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MFU evictable data size percentage
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.It Sy mfueme
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MFU evictable metadata size
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.It Sy mfueme%
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MFU evictable metadata size percentage
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.It Sy mfugsz
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MFU ghost size
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.It Sy mfugda
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MFU ghost data size
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.It Sy mfugme
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MFU ghost metadata size
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.It Sy mrutg
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MRU target
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.It Sy mrutg%
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MRU target percentage
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.It Sy mrudat
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MRU data target
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.It Sy mrudat%
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MRU data target percentage
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.It Sy mrumet
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MRU metadata target
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.It Sy mrumet%
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MRU metadata target percentage
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.It Sy mrusz
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MRU size
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.It Sy mrusz%
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MRU size percentage
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.It Sy mrudata
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MRU data size
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.It Sy mrudata%
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MRU data size percentage
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.It Sy mrumeta
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MRU metadata size
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.It Sy mrumeta%
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MRU metadata size percentage
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.It Sy mrueda
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MRU evictable data size
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.It Sy mrueda%
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MRU evictable data size percentage
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.It Sy mrueme
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MRU evictable metadata size
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.It Sy mrueme%
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MRU evictable metadata size percentage
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.It Sy mrugsz
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MRU ghost size
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.It Sy mrugda
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MRU ghost data size
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.It Sy mrugme
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MRU ghost metadata size
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.It Sy uncsz
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Uncached size
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.It Sy uncsz%
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Uncached size percentage
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.It Sy uncdata
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Uncached data size
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.It Sy uncdata%
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Uncached data size percentage
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.It Sy uncmeta
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Uncached metadata size
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.It Sy uncmeta%
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Uncached metadata size percentage
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.It Sy unceda
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Uncached evictable data size
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.It Sy unceda%
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Uncached evictable data size percentage
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.It Sy unceme
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Uncached evictable metadata size
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.It Sy unceme%
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Uncached evictable metadata size percentage
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.It Sy grow
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ARC grow disabled
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.It Sy need
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