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From:   Tony Jones <tonyj@suse.de>
To:     linux-kernel@vger.kernel.org
Cc:     acme@kernel.org, linux-perf-users@vger.kernel.org,
        Tony Jones <tonyj@suse.de>,
        Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>,
        Adrian Hunter <adrian.hunter@intel.com>
Subject: [PATCH v2 5/7] perf script python: add Python3 support to intel-pt-events.py
Date:   Fri,  1 Mar 2019 17:19:01 -0800
Message-Id: <20190302011903.2416-6-tonyj@suse.de>
In-Reply-To: <20190302011903.2416-1-tonyj@suse.de>
References: <20190302011903.2416-1-tonyj@suse.de>
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Support both Python2 and Python3 in the intel-pt-events.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>
Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
---
 tools/perf/scripts/python/intel-pt-events.py | 30 +++++++++++++++++-----------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/tools/perf/scripts/python/intel-pt-events.py b/tools/perf/scripts/python/intel-pt-events.py
index 2177722f509e..5c42c4c359dc 100644
--- a/tools/perf/scripts/python/intel-pt-events.py
+++ b/tools/perf/scripts/python/intel-pt-events.py
@@ -10,6 +10,8 @@
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 # more details.
 
+from __future__ import print_function
+
 import os
 import sys
 import struct
@@ -22,10 +24,10 @@ sys.path.append(os.environ['PERF_EXEC_PATH'] + \
 #from Core import *
 
 def trace_begin():
-	print "Intel PT Power Events and PTWRITE"
+	print("Intel PT Power Events and PTWRITE")
 
 def trace_end():
-	print "End"
+	print("End")
 
 def trace_unhandled(event_name, context, event_fields_dict):
 		print ' '.join(['%s=%s'%(k,str(v))for k,v in sorted(event_fields_dict.items())])
@@ -35,21 +37,21 @@ def print_ptwrite(raw_buf):
 	flags = data[0]
 	payload = data[1]
 	exact_ip = flags & 1
-	print "IP: %u payload: %#x" % (exact_ip, payload),
+	print("IP: %u payload: %#x" % (exact_ip, payload), end=' ')
 
 def print_cbr(raw_buf):
 	data = struct.unpack_from("<BBBBII", raw_buf)
 	cbr = data[0]
 	f = (data[4] + 500) / 1000
 	p = ((cbr * 1000 / data[2]) + 5) / 10
-	print "%3u  freq: %4u MHz  (%3u%%)" % (cbr, f, p),
+	print("%3u  freq: %4u MHz  (%3u%%)" % (cbr, f, p), end=' ')
 
 def print_mwait(raw_buf):
 	data = struct.unpack_from("<IQ", raw_buf)
 	payload = data[1]
 	hints = payload & 0xff
 	extensions = (payload >> 32) & 0x3
-	print "hints: %#x extensions: %#x" % (hints, extensions),
+	print("hints: %#x extensions: %#x" % (hints, extensions), end=' ')
 
 def print_pwre(raw_buf):
 	data = struct.unpack_from("<IQ", raw_buf)
@@ -57,13 +59,14 @@ def print_pwre(raw_buf):
 	hw = (payload >> 7) & 1
 	cstate = (payload >> 12) & 0xf
 	subcstate = (payload >> 8) & 0xf
-	print "hw: %u cstate: %u sub-cstate: %u" % (hw, cstate, subcstate),
+	print("hw: %u cstate: %u sub-cstate: %u" % (hw, cstate, subcstate),
+		end=' ')
 
 def print_exstop(raw_buf):
 	data = struct.unpack_from("<I", raw_buf)
 	flags = data[0]
 	exact_ip = flags & 1
-	print "IP: %u" % (exact_ip),
+	print("IP: %u" % (exact_ip), end=' ')
 
 def print_pwrx(raw_buf):
 	data = struct.unpack_from("<IQ", raw_buf)
@@ -71,18 +74,21 @@ def print_pwrx(raw_buf):
 	deepest_cstate = payload & 0xf
 	last_cstate = (payload >> 4) & 0xf
 	wake_reason = (payload >> 8) & 0xf
-	print "deepest cstate: %u last cstate: %u wake reason: %#x" % (deepest_cstate, last_cstate, wake_reason),
+	print("deepest cstate: %u last cstate: %u wake reason: %#x" %
+		(deepest_cstate, last_cstate, wake_reason), end=' ')
 
 def print_common_start(comm, sample, name):
 	ts = sample["time"]
 	cpu = sample["cpu"]
 	pid = sample["pid"]
 	tid = sample["tid"]
-	print "%16s %5u/%-5u [%03u] %9u.%09u %7s:" % (comm, pid, tid, cpu, ts / 1000000000, ts %1000000000, name),
+	print("%16s %5u/%-5u [%03u] %9u.%09u %7s:" %
+		(comm, pid, tid, cpu, ts / 1000000000, ts %1000000000, name),
+		end=' ')
 
 def print_common_ip(sample, symbol, dso):
 	ip = sample["ip"]
-	print "%16x %s (%s)" % (ip, symbol, dso)
+	print("%16x %s (%s)" % (ip, symbol, dso))
 
 def process_event(param_dict):
 	event_attr = param_dict["attr"]
@@ -92,12 +98,12 @@ def process_event(param_dict):
 	name	   = param_dict["ev_name"]
 
 	# Symbol and dso info are not always resolved
-	if (param_dict.has_key("dso")):
+	if "dso" in param_dict:
 		dso = param_dict["dso"]
 	else:
 		dso = "[unknown]"
 
-	if (param_dict.has_key("symbol")):
+	if "symbol" in param_dict:
 		symbol = param_dict["symbol"]
 	else:
 		symbol = "[unknown]"
-- 
2.16.4