mirror of
https://github.com/torvalds/linux
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b504d7f687
Remove mixed indentation in Python scripts. Revert to either all tabs (most common form) or all spaces (4 or 8) depending on what was the intent of the original commit. This is necessary to complete Python3 support as it will flag an error if it encounters mixed indentation. Signed-off-by: Tony Jones <tonyj@suse.de> Link: http://lkml.kernel.org/r/20190302011903.2416-2-tonyj@suse.de Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
90 lines
2.1 KiB
Python
90 lines
2.1 KiB
Python
# system call top
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# (c) 2010, Tom Zanussi <tzanussi@gmail.com>
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# Licensed under the terms of the GNU GPL License version 2
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#
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# Periodically displays system-wide system call totals, broken down by
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# syscall. If a [comm] arg is specified, only syscalls called by
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# [comm] are displayed. If an [interval] arg is specified, the display
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# will be refreshed every [interval] seconds. The default interval is
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# 3 seconds.
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from __future__ import print_function
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import os, sys, time
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try:
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import thread
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except ImportError:
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import _thread as thread
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sys.path.append(os.environ['PERF_EXEC_PATH'] + \
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'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
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from perf_trace_context import *
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from Core import *
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from Util import *
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usage = "perf script -s sctop.py [comm] [interval]\n";
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for_comm = None
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default_interval = 3
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interval = default_interval
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if len(sys.argv) > 3:
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sys.exit(usage)
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if len(sys.argv) > 2:
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for_comm = sys.argv[1]
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interval = int(sys.argv[2])
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elif len(sys.argv) > 1:
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try:
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interval = int(sys.argv[1])
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except ValueError:
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for_comm = sys.argv[1]
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interval = default_interval
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syscalls = autodict()
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def trace_begin():
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thread.start_new_thread(print_syscall_totals, (interval,))
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pass
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def raw_syscalls__sys_enter(event_name, context, common_cpu,
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common_secs, common_nsecs, common_pid, common_comm,
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common_callchain, id, args):
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if for_comm is not None:
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if common_comm != for_comm:
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return
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try:
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syscalls[id] += 1
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except TypeError:
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syscalls[id] = 1
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def syscalls__sys_enter(event_name, context, common_cpu,
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common_secs, common_nsecs, common_pid, common_comm,
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id, args):
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raw_syscalls__sys_enter(**locals())
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def print_syscall_totals(interval):
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while 1:
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clear_term()
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if for_comm is not None:
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print("\nsyscall events for %s:\n" % (for_comm))
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else:
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print("\nsyscall events:\n")
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print("%-40s %10s" % ("event", "count"))
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print("%-40s %10s" %
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("----------------------------------------",
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"----------"))
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for id, val in sorted(syscalls.items(),
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key = lambda kv: (kv[1], kv[0]),
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reverse = True):
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try:
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print("%-40s %10d" % (syscall_name(id), val))
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except TypeError:
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pass
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syscalls.clear()
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time.sleep(interval)
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