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perf script python: Add Python3 support to syscall-counts.py

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Support both Python2 and Python3 in the syscall-counts.py script

There may be differences in the ordering of output lines due to
differences in dictionary ordering etc.  However the format within lines
should be unchanged.

The use of 'from __future__' implies the minimum supported Python2 version
is now v2.6

Signed-off-by: Tony Jones <tonyj@suse.de>
Link: http://lkml.kernel.org/r/20190222230619.17887-14-tonyj@suse.de
Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Tony Jones 2019-02-22 15:06:17 -08:00 • committed by Arnaldo Carvalho de Melo
parent e985bf761d
commit 1d1b0dbb85
1 changed files with 10 additions and 8 deletions
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18
tools/perf/scripts/python/syscall-counts.py
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@ -5,6 +5,8 @@
# Displays system-wide system call totals, broken down by syscall. # Displays system-wide system call totals, broken down by syscall.
# If a [comm] arg is specified, only syscalls called by [comm] are displayed. # If a [comm] arg is specified, only syscalls called by [comm] are displayed.
from __future__ import print_function
import os import os
import sys import sys
@ -28,7 +30,7 @@ if len(sys.argv) > 1:
syscalls = autodict() syscalls = autodict()
def trace_begin(): def trace_begin():
print "Press control+C to stop and show the summary" print("Press control+C to stop and show the summary")
def trace_end(): def trace_end():
print_syscall_totals() print_syscall_totals()
@ -51,14 +53,14 @@ def syscalls__sys_enter(event_name, context, common_cpu,
def print_syscall_totals(): def print_syscall_totals():
if for_comm is not None: if for_comm is not None:
print "\nsyscall events for %s:\n\n" % (for_comm), print("\nsyscall events for %s:\n" % (for_comm))
else: else:
print "\nsyscall events:\n\n", print("\nsyscall events:\n")
print "%-40s %10s\n" % ("event", "count"), print("%-40s %10s" % ("event", "count"))
print "%-40s %10s\n" % ("----------------------------------------", \ print("%-40s %10s" % ("----------------------------------------",
"-----------"), "-----------"))
for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \ for id, val in sorted(syscalls.items(), key = lambda kv: (kv[1], kv[0]), \
reverse = True): reverse = True):
print "%-40s %10d\n" % (syscall_name(id), val), print("%-40s %10d" % (syscall_name(id), val))