Addresses - eliminate extra import - missing variable initialization - type redefinition from int to float - passing of int type argument instead of string - a couple of PEP8-reported indentation/formatting glitches - remove unused variable drilldown in class Tui Signed-off-by: Stefan Raspl <raspl@xxxxxxxxxxxxxxxxxx> Reviewed-by: Marc Hartmayer <mhartmay@xxxxxxxxxxxxxxxxxx> --- tools/kvm/kvm_stat/kvm_stat | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat index 14536c0..a09179e 100755 --- a/tools/kvm/kvm_stat/kvm_stat +++ b/tools/kvm/kvm_stat/kvm_stat @@ -31,7 +31,6 @@ import resource import struct import re from collections import defaultdict -from time import sleep VMX_EXIT_REASONS = { 'EXCEPTION_NMI': 0, @@ -339,8 +338,7 @@ def get_filters(): filters['kvm_exit'] = ('exit_reason', ARCH.exit_reasons) return filters -libc = ctypes.CDLL('libc.so.6', use_errno=True) -syscall = libc.syscall +syscall = ctypes.CDLL('libc.so.6', use_errno=True).syscall class perf_event_attr(ctypes.Structure): """Struct that holds the necessary data to set up a trace event. @@ -657,6 +655,7 @@ class DebugfsProvider(object): self._fields = self.get_available_fields() self._pid = 0 self.do_read = True + self.paths = [] def get_available_fields(self): """"Returns a list of available fields. @@ -794,7 +793,6 @@ class Tui(object): def __init__(self, stats): self.stats = stats self.screen = None - self.drilldown = False self.update_drilldown() def __enter__(self): @@ -950,11 +948,10 @@ class Tui(object): while True: self.refresh(sleeptime) curses.halfdelay(int(sleeptime * 10)) - sleeptime = 3 + sleeptime = 3. try: char = self.screen.getkey() if char == 'x': - self.drilldown = not self.drilldown self.update_drilldown() if char == 'q': break @@ -1064,12 +1061,12 @@ Requirements: help='fields to display (regex)', ) optparser.add_option('-p', '--pid', - action='store', - default=0, - type=int, - dest='pid', - help='restrict statistics to pid', - ) + action='store', + default=0, + type='int', + dest='pid', + help='restrict statistics to pid', + ) (options, _) = optparser.parse_args(sys.argv) return options @@ -1099,8 +1096,8 @@ def check_access(options): "Also ensure, that the kvm modules are loaded.\n") sys.exit(1) - if not os.path.exists(PATH_DEBUGFS_TRACING) and (options.tracepoints - or not options.debugfs): + if not os.path.exists(PATH_DEBUGFS_TRACING) and (options.tracepoints or + not options.debugfs): sys.stderr.write("Please enable CONFIG_TRACING in your kernel " "when using the option -t (default).\n" "If it is enabled, make {0} readable by the " @@ -1111,7 +1108,7 @@ def check_access(options): sys.stderr.write("Falling back to debugfs statistics!\n") options.debugfs = True - sleep(5) + time.sleep(5) return options -- 2.8.4