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pep8 code readability changes

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Update the code to follow the pep8 style guide.

References:
  http://www.python.org/dev/peps/pep-0008/

Signed-off-by: Matthew Thode <prometheanfire@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1838
This commit is contained in:
Matthew Thode
2013-11-08 15:52:06 -06:00
committed by Brian Behlendorf
parent 7a4f54688e
commit 23bc1f91fc
2 changed files with 126 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmd/arcstat/arcstat.py
+11 -12
View File
@@ -96,9 +96,9 @@ cols = {
v = {}
hdr = ["time", "read", "miss", "miss%", "dmis", "dm%", "pmis", "pm%", "mmis",
"mm%", "arcsz", "c"]
"mm%", "arcsz", "c"]
xhdr = ["time", "mfu", "mru", "mfug", "mrug", "eskip", "mtxmis", "rmis",
"dread", "pread", "read"]
"dread", "pread", "read"]
sint = 1 # Default interval is 1 second
count = 1 # Default count is 1
hdr_intr = 20 # Print header every 20 lines of output
@@ -107,7 +107,7 @@ sep = " " # Default separator is 2 spaces
version = "0.4"
l2exist = False
cmd = ("Usage: arcstat.py [-hvx] [-f fields] [-o file] [-s string] [interval "
"[count]]\n")
"[count]]\n")
cur = {}
d = {}
out = None
@@ -129,12 +129,12 @@ def usage():
sys.stderr.write("%s\n" % cmd)
sys.stderr.write("\t -h : Print this help message\n")
sys.stderr.write("\t -v : List all possible field headers and definitions"
"\n")
"\n")
sys.stderr.write("\t -x : Print extended stats\n")
sys.stderr.write("\t -f : Specify specific fields to print (see -v)\n")
sys.stderr.write("\t -o : Redirect output to the specified file\n")
sys.stderr.write("\t -s : Override default field separator with custom "
"character or string\n")
"character or string\n")
sys.stderr.write("\nExamples:\n")
sys.stderr.write("\tarcstat.py -o /tmp/a.log 2 10\n")
sys.stderr.write("\tarcstat.py -s \",\" -o /tmp/a.log 2 10\n")
@@ -217,7 +217,7 @@ def print_values():
sys.stdout.write("%s%s" % (
prettynum(cols[col][0], cols[col][1], v[col]),
sep
))
))
sys.stdout.write("\n")
@@ -326,9 +326,8 @@ def init():
usage()
if len(incompat) > 0:
sys.stderr.write("Incompatible field specified! -- %s\n" % (
incompat,
))
sys.stderr.write("Incompatible field specified! -- %s\n" %
incompat)
usage()
if opfile:
@@ -363,16 +362,16 @@ def calculate():
v["phit"] = (d["prefetch_data_hits"] + d["prefetch_metadata_hits"]) / sint
v["pmis"] = (d["prefetch_data_misses"] +
d["prefetch_metadata_misses"]) / sint
d["prefetch_metadata_misses"]) / sint
v["pread"] = v["phit"] + v["pmis"]
v["ph%"] = 100 * v["phit"] / v["pread"] if v["pread"] > 0 else 0
v["pm%"] = 100 - v["ph%"] if v["pread"] > 0 else 0
v["mhit"] = (d["prefetch_metadata_hits"] +
d["demand_metadata_hits"]) / sint
d["demand_metadata_hits"]) / sint
v["mmis"] = (d["prefetch_metadata_misses"] +
d["demand_metadata_misses"]) / sint
d["demand_metadata_misses"]) / sint
v["mread"] = v["mhit"] + v["mmis"]
v["mh%"] = 100 * v["mhit"] / v["mread"] if v["mread"] > 0 else 0