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Subject[PATCH v2] perf scripts python: Add Python 3 support to syscall-counts-by-pid.py
Date
Support both Python 2 and Python 3 in syscall-counts-by-pid.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-by-pid.py | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/perf/scripts/python/syscall-counts-by-pid.py b/tools/perf/scripts/python/syscall-counts-by-pid.py
index daf314c..3146094 100644
--- a/tools/perf/scripts/python/syscall-counts-by-pid.py
+++ b/tools/perf/scripts/python/syscall-counts-by-pid.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, sys

@@ -31,7 +32,7 @@ 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()
@@ -55,20 +56,20 @@ 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 by comm/pid:\n\n",
+ print("\nsyscall events by comm/pid:\n\n"),

- print "%-40s %10s\n" % ("comm [pid]/syscalls", "count"),
- print "%-40s %10s\n" % ("----------------------------------------", \
- "----------"),
+ print("%-40s %10s\n" % ("comm [pid]/syscalls", "count")),
+ print("%-40s %10s\n" % ("----------------------------------------", \
+ "----------")),

comm_keys = syscalls.keys()
for comm in comm_keys:
pid_keys = syscalls[comm].keys()
for pid in pid_keys:
- print "\n%s [%d]\n" % (comm, pid),
+ print("\n%s [%d]\n" % (comm, pid)),
id_keys = syscalls[comm][pid].keys()
for id, val in sorted(syscalls[comm][pid].iteritems(), \
- key = lambda(k, v): (v, k), reverse = True):
- print " %-38s %10d\n" % (syscall_name(id), val),
+ key = lambda k_v: (k_v[1], k_v[0]), reverse = True):
+ print(" %-38s %10d\n" % (syscall_name(id), val)),
--
1.8.3.1
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