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Subject[PATCH v2] perf scripts python: Add Python 3 support to syscall-counts.py
Date
Support both Python 2 and Python 3 in syscall-counts.py. ``print``
is now a function rather than a statement. This should have no
functional change.

Fix lambda syntax error

Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Reviewed-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
---
tools/perf/scripts/python/syscall-counts.py | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/tools/perf/scripts/python/syscall-counts.py b/tools/perf/scripts/python/syscall-counts.py
index e66a773..6ca67bd 100644
--- a/tools/perf/scripts/python/syscall-counts.py
+++ b/tools/perf/scripts/python/syscall-counts.py
@@ -4,6 +4,7 @@
#
# Displays system-wide system call totals, broken down by syscall.
# If a [comm] arg is specified, only syscalls called by [comm] are displayed.
+from __future__ import print_function

import os
import sys
@@ -28,7 +29,7 @@ if len(sys.argv) > 1:
syscalls = autodict()

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():
print_syscall_totals()
@@ -51,14 +52,14 @@ def syscalls__sys_enter(event_name, context, common_cpu,

def print_syscall_totals():
if for_comm is not None:
- print "\nsyscall events for %s:\n\n" % (for_comm),
+ print("\nsyscall events for %s:\n\n" % (for_comm)),
else:
- print "\nsyscall events:\n\n",
+ print("\nsyscall events:\n\n"),

- print "%-40s %10s\n" % ("event", "count"),
- print "%-40s %10s\n" % ("----------------------------------------", \
- "-----------"),
+ print("%-40s %10s\n" % ("event", "count")),
+ print("%-40s %10s\n" % ("----------------------------------------", \
+ "-----------")),

- for id, val in sorted(syscalls.iteritems(), key = lambda(k, v): (v, k), \
+ for id, val in sorted(syscalls.iteritems(), key = lambda k_v: (k_v[1], k_v[0]), \
reverse = True):
- print "%-40s %10d\n" % (syscall_name(id), val),
+ print("%-40s %10d\n" % (syscall_name(id), val)),
--
1.8.3.1
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