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authorMark Brown <broonie@kernel.org>2019-03-18 11:14:51 +0000
committerMark Brown <broonie@kernel.org>2019-03-18 11:14:51 +0000
commit22d91ed32b653481f47e81719858678e8c92089e (patch)
treea10d240e35ba7fa5d6bb1c9aad1a5db622e5dddd /tools/perf/scripts/python/futex-contention.py
parent2b13bee3884926cba22061efa75bd315e871de24 (diff)
parent9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff)
Merge tag 'v5.1-rc1' into asoc-5.1
Linux 5.1-rc1
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
-rw-r--r--tools/perf/scripts/python/futex-contention.py10
1 files changed, 6 insertions, 4 deletions
diff --git a/tools/perf/scripts/python/futex-contention.py b/tools/perf/scripts/python/futex-contention.py
index 0f5cf437b602..0c4841acf75d 100644
--- a/tools/perf/scripts/python/futex-contention.py
+++ b/tools/perf/scripts/python/futex-contention.py
@@ -10,6 +10,8 @@
#
# Measures futex contention
+from __future__ import print_function
+
import os, sys
sys.path.append(os.environ['PERF_EXEC_PATH'] + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
from Util import *
@@ -33,18 +35,18 @@ def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm, callchain,
def syscalls__sys_exit_futex(event, ctxt, cpu, s, ns, tid, comm, callchain,
nr, ret):
- if thread_blocktime.has_key(tid):
+ if tid in thread_blocktime:
elapsed = nsecs(s, ns) - thread_blocktime[tid]
add_stats(lock_waits, (tid, thread_thislock[tid]), elapsed)
del thread_blocktime[tid]
del thread_thislock[tid]
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():
for (tid, lock) in lock_waits:
min, max, avg, count = lock_waits[tid, lock]
- print "%s[%d] lock %x contended %d times, %d avg ns" % \
- (process_names[tid], tid, lock, count, avg)
+ print("%s[%d] lock %x contended %d times, %d avg ns" %
+ (process_names[tid], tid, lock, count, avg))