Support both Python 2 and Python 3 in export-to-sqlite.py. ``print`` is
now a function rather than a statement. This should have no functional
change.

Also, handles the conversion of "print >> sys.stderr".

Signed-off-by: Seeteena Thoufeek <s1see...@linux.vnet.ibm.com>
Reviewed-by: Ravi Bangoria <ravi.bango...@linux.ibm.com>
---
 tools/perf/scripts/python/export-to-sqlite.py | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/tools/perf/scripts/python/export-to-sqlite.py 
b/tools/perf/scripts/python/export-to-sqlite.py
index 245caf2..95bfcb2 100644
--- a/tools/perf/scripts/python/export-to-sqlite.py
+++ b/tools/perf/scripts/python/export-to-sqlite.py
@@ -9,6 +9,7 @@
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 # more details.
+from __future__ import print_function
 
 import os
 import sys
@@ -61,10 +62,10 @@ perf_db_export_calls = False
 perf_db_export_callchains = False
 
 def usage():
-       print >> sys.stderr, "Usage is: export-to-sqlite.py <database name> 
[<columns>] [<calls>] [<callchains>]"
-       print >> sys.stderr, "where:    columns         'all' or 'branches'"
-       print >> sys.stderr, "          calls           'calls' => create calls 
and call_paths table"
-       print >> sys.stderr, "          callchains      'callchains' => create 
call_paths table"
+       sys.stderr.write("Usage is: export-to-sqlite.py <database name> 
[<columns>] [<calls>] [<callchains>]");
+       sys.stderr.write("where:        columns         'all' or 'branches'");
+       sys.stderr.write("              calls           'calls' => create calls 
and call_paths table");
+       sys.stderr.write("              callchains      'callchains' => create 
call_paths table");
        raise Exception("Too few arguments")
 
 if (len(sys.argv) < 2):
@@ -100,7 +101,7 @@ def do_query_(q):
                return
        raise Exception("Query failed: " + q.lastError().text())
 
-print datetime.datetime.today(), "Creating database..."
+print(datetime.datetime.today(), "Creating database...")
 
 db_exists = False
 try:
@@ -376,7 +377,7 @@ if perf_db_export_calls:
        call_query.prepare("INSERT INTO calls VALUES (?, ?, ?, ?, ?, ?, ?, ?, 
?, ?, ?)")
 
 def trace_begin():
-       print datetime.datetime.today(), "Writing records..."
+       print(datetime.datetime.today(), "Writing records...")
        do_query(query, 'BEGIN TRANSACTION')
        # id == 0 means unknown.  It is easier to create records for them than 
replace the zeroes with NULLs
        evsel_table(0, "unknown")
@@ -394,13 +395,13 @@ unhandled_count = 0
 def trace_end():
        do_query(query, 'END TRANSACTION')
 
-       print datetime.datetime.today(), "Adding indexes"
+       print(datetime.datetime.today(), "Adding indexes")
        if perf_db_export_calls:
                do_query(query, 'CREATE INDEX pcpid_idx ON calls 
(parent_call_path_id)')
 
        if (unhandled_count):
-               print datetime.datetime.today(), "Warning: ", unhandled_count, 
" unhandled events"
-       print datetime.datetime.today(), "Done"
+               print(datetime.datetime.today(), "Warning: ", unhandled_count, 
" unhandled events")
+       print(datetime.datetime.today(), "Done")
 
 def trace_unhandled(event_name, context, event_fields_dict):
        global unhandled_count
-- 
1.8.3.1

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