Add f-strings where applicable for readability.
Signed-off-by: Leah Leshchinsky <lleshchi@xxxxxxxxxx>
diff --git a/src/hwlatdetect/hwlatdetect.py b/src/hwlatdetect/hwlatdetect.py
index 9ef50f862127..7b1ae646577a 100755
--- a/src/hwlatdetect/hwlatdetect.py
+++ b/src/hwlatdetect/hwlatdetect.py
@@ -59,7 +59,7 @@ class DebugFS:
if self.premounted or self.mounted:
debug("not mounting debugfs")
return True
- debug("mounting debugfs at %s" % path)
+ debug(f"mounting debugfs at {path}")
self.mountpoint = path
cmd = ['/bin/mount', '-t', 'debugfs', 'none', path]
self.mounted = (subprocess.call(cmd) == 0)
@@ -90,7 +90,7 @@ class DebugFS:
try:
val = f.readline()
except OSError as e:
- print("errno: %s" % e)
+ print(f"errno: {e}")
if e.errno == errno.EAGAIN:
val = None
else:
@@ -192,18 +192,18 @@ class Detector:
count = 0
threshold = int(self.get("threshold"))
self.c_states_off()
- debug("enabling detector module (threshold: %d)" % threshold)
+ debug(f"enabling detector module (threshold: {threshold})")
self.set("enable", 1)
while self.get("enable") == 0:
debug("still disabled, retrying in a bit")
count += 1
time.sleep(0.1)
- debug("retrying enable of detector module (%d)" % count)
+ debug(f"retrying enable of detector module ({count})")
self.set("enable", 1)
if self.get("threshold") != threshold:
debug("start: threshold reset by start, fixing")
self.set("threshold", threshold)
- debug("detector module enabled (threshold: %d)" % int(self.get("threshold")))
+ debug(f"detector module enabled (threshold: {int(self.get('threshold'))})")
def stop(self):
""" disable the detector """
@@ -214,7 +214,7 @@ class Detector:
debug("still enabled, retrying in a bit")
count += 1
time.sleep(0.1)
- debug("retrying disable of detector module(%d)" % count)
+ debug(f"retrying disable of detector module({count})")
self.set("enable", 0)
self.c_states_on()
debug("detector module disabled")
@@ -248,7 +248,7 @@ class Tracer(Detector):
self.outer = int(o)
def __str__(self):
- return "ts: %s, inner:%d, outer:%d" % (self.timestamp, self.inner, self.outer)
+ return f"ts: {self.timestamp}, inner:{self.inner}, outer:{self.outer}"
def display(self):
""" convert object to string and print """
@@ -322,8 +322,8 @@ class Tracer(Detector):
if output:
with open(output, "w") as f:
for s in self.samples:
- f.write("%s\n" % str(s))
- print("report saved to %s (%d samples)" % (output, len(self.samples)))
+ f.write(f"{s}\n")
+ print(f"report saved to {output} ({len(self.samples)} samples)")
def display(self):
for s in self.samples:
@@ -341,7 +341,7 @@ def seconds(sval):
if sval.isdigit():
return int(sval)
if sval[-2].isalpha():
- raise RuntimeError("illegal suffix for seconds: '%s'" % sval[-2:-1])
+ raise RuntimeError(f"illegal suffix for seconds: '{sval[-2:-1]}'")
if sval[-1:] == 's':
return int(sval[0:-1])
if sval[-1:] == 'm':
@@ -352,7 +352,7 @@ def seconds(sval):
return int(sval[0:-1]) * 86400
if sval[-1:] == 'w':
return int(sval[0:-1]) * 86400 * 7
- raise RuntimeError("invalid input for seconds: '%s'" % sval)
+ raise RuntimeError(f"invalid input for seconds: '{sval}'")
def milliseconds(sval):
@@ -367,7 +367,7 @@ def milliseconds(sval):
return int(sval[0:-1]) * 1000 * 60
if sval[-1] == 'h':
return int(sval[0:-1]) * 1000 * 60 * 60
- raise RuntimeError("invalid input for milliseconds: %s" % sval)
+ raise RuntimeError(f"invalid input for milliseconds: {sval}")
def microseconds(sval):
@@ -380,7 +380,7 @@ def microseconds(sval):
return int(sval[0:-2])
if sval[-1:] == 's':
return int(sval[0:-1]) * 1000 * 1000
- raise RuntimeError("invalid input for microseconds: '%s'" % sval)
+ raise RuntimeError(f"invalid input for microseconds: '{sval}'")
if __name__ == '__main__':
@@ -444,37 +444,37 @@ if __name__ == '__main__':
if args.threshold:
t = microseconds(args.threshold)
detect.set("threshold", t)
- debug("threshold set to %dus" % t)
+ debug(f"threshold set to {t}us")
if args.hardlimit:
hardlimit = microseconds(args.hardlimit)
else:
hardlimit = int(detect.get("threshold"))
- debug("hardlimit set to %dus" % hardlimit)
+ debug(f"hardlimit set to {hardlimit}us")
if args.window:
w = microseconds(args.window)
if w < int(detect.get("width")):
- debug("shrinking width to %d for new window of %d" % (w/2, w))
+ debug(f"shrinking width to {w//2} for new window of {w}")
detect.set("width", w/2)
- debug("window parameter = %d" % w)
+ debug(f"window parameter = {w}")
detect.set("window", w)
- debug("window for sampling set to %dus" % w)
+ debug(f"window for sampling set to {w}us")
if args.width:
w = microseconds(args.width)
if w > int(detect.get("window")):
- debug("widening window to %d for new width of %d" % (w*2, w))
+ debug(f"widening window to {w*2} for new width of {w}")
detect.set("window", w*2)
- debug("width parameter = %d" % w)
+ debug(f"width parameter = {w}")
detect.set("width", w)
- debug("sample width set to %dus" % w)
+ debug(f"sample width set to {w}us")
if args.duration:
detect.testduration = seconds(args.duration)
else:
detect.testduration = 120 # 2 minutes
- debug("test duration is %ds" % detect.testduration)
+ debug(f"test duration is {detect.testduration}s")
if args.watch:
watch = True
@@ -491,18 +491,18 @@ if __name__ == '__main__':
l, r = map(int, [c, c])
for i in range(l, r + 1):
cpumask |= (1 << i)
- debug("set tracing_cpumask to %x" % cpumask)
- detect.set("cpumask", "%x" % cpumask)
+ debug(f"set tracing_cpumask to {cpumask:x}")
+ detect.set("cpumask", f"{cpumask:x}")
- info("hwlatdetect: test duration %d seconds" % detect.testduration)
- info(" detector: %s" % detect.type)
+ info(f"hwlatdetect: test duration {detect.testduration} seconds")
+ info(f" detector: {detect.type}")
info(" parameters:")
- info(" CPU list: %s" % args.cpulist)
+ info(f" CPU list: {args.cpulist}")
info(" Latency threshold: %dus" % int(detect.get("threshold")))
info(" Sample window: %dus" % int(detect.get("window")))
info(" Sample width: %dus" % int(detect.get("width")))
info(" Non-sampling period: %dus" % (int(detect.get("window")) - int(detect.get("width"))))
- info(" Output File: %s" % reportfile)
+ info(f" Output File: {reportfile}")
info("\nStarting test")
detect.detect()
@@ -513,12 +513,12 @@ if __name__ == '__main__':
if max_latency == 0:
info("Max Latency: Below threshold")
else:
- info("Max Latency: %dus" % max_latency)
+ info(f"Max Latency: {int(max_latency)}us")
- info("Samples recorded: %d" % len(detect.samples))
+ info(f"Samples recorded: {int(len(detect.samples))}")
exceeding = detect.get("count")
- info("Samples exceeding threshold: %d" % exceeding)
+ info(f"Samples exceeding threshold: {exceeding}")
if detect.have_msr:
finishsmi = detect.getsmicounts()
@@ -527,8 +527,8 @@ if __name__ == '__main__':
if count > detect.initsmi[i]:
smis = count - detect.initsmi[i]
total_smis += smis
- print("%d SMIs occured on cpu %d" % (smis, i))
- info("SMIs during run: %d" % total_smis)
+ print(f"{smis} SMIs occured on cpu {i}")
+ info(f"SMIs during run: {total_smis}")
maxlatency = int(detect.get("max"))
--
2.31.1
