tools/perf/scripts/python/export-to-postgresql.py - linux-mtk - Git at Google


            
            # export-to-postgresql.py: export perf data to a postgresql database

            
            # Copyright (c) 2014, Intel Corporation.

            
            #

            
            # This program is free software; you can redistribute it and/or modify it

            
            # under the terms and conditions of the GNU General Public License,

            
            # version 2, as published by the Free Software Foundation.

            
            #

            
            # This program is distributed in the hope it will be useful, but WITHOUT

            
            # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

            
            # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

            
            # more details.


            import os

            
            import sys

            
            import struct

            
            import datetime


            # To use this script you will need to have installed package python-pyside which

            
            # provides LGPL-licensed Python bindings for Qt.  You will also need the package

            
            # libqt4-sql-psql for Qt postgresql support.

            
            #

            
            # The script assumes postgresql is running on the local machine and that the

            
            # user has postgresql permissions to create databases. Examples of installing

            
            # postgresql and adding such a user are:

            
            #

            
            # fedora:

            
            #

            
            #	$ sudo yum install postgresql postgresql-server python-pyside qt-postgresql

            
            #	$ sudo su - postgres -c initdb

            
            #	$ sudo service postgresql start

            
            #	$ sudo su - postgres

            
            #	$ createuser <your user id here>

            
            #	Shall the new role be a superuser? (y/n) y

            
            #

            
            # ubuntu:

            
            #

            
            #	$ sudo apt-get install postgresql python-pyside.qtsql libqt4-sql-psql

            
            #	$ sudo su - postgres

            
            #	$ createuser -s <your user id here>

            
            #

            
            # An example of using this script with Intel PT:

            
            #

            
            #	$ perf record -e intel_pt//u ls

            
            #	$ perf script -s ~/libexec/perf-core/scripts/python/export-to-postgresql.py pt_example branches calls

            
            #	2015-05-29 12:49:23.464364 Creating database...

            
            #	2015-05-29 12:49:26.281717 Writing to intermediate files...

            
            #	2015-05-29 12:49:27.190383 Copying to database...

            
            #	2015-05-29 12:49:28.140451 Removing intermediate files...

            
            #	2015-05-29 12:49:28.147451 Adding primary keys

            
            #	2015-05-29 12:49:28.655683 Adding foreign keys

            
            #	2015-05-29 12:49:29.365350 Done

            
            #

            
            # To browse the database, psql can be used e.g.

            
            #

            
            #	$ psql pt_example

            
            #	pt_example=# select * from samples_view where id < 100;

            
            #	pt_example=# \d+

            
            #	pt_example=# \d+ samples_view

            
            #	pt_example=# \q

            
            #

            
            # An example of using the database is provided by the script

            
            # call-graph-from-sql.py.  Refer to that script for details.

            
            #

            
            # Tables:

            
            #

            
            #	The tables largely correspond to perf tools' data structures.  They are largely self-explanatory.

            
            #

            
            #	samples

            
            #

            
            #		'samples' is the main table. It represents what instruction was executing at a point in time

            
            #		when something (a selected event) happened.  The memory address is the instruction pointer or 'ip'.

            
            #

            
            #	calls

            
            #

            
            #		'calls' represents function calls and is related to 'samples' by 'call_id' and 'return_id'.

            
            #		'calls' is only created when the 'calls' option to this script is specified.

            
            #

            
            #	call_paths

            
            #

            
            #		'call_paths' represents all the call stacks.  Each 'call' has an associated record in 'call_paths'.

            
            #		'calls_paths' is only created when the 'calls' option to this script is specified.

            
            #

            
            #	branch_types

            
            #

            
            #		'branch_types' provides descriptions for each type of branch.

            
            #

            
            #	comm_threads

            
            #

            
            #		'comm_threads' shows how 'comms' relates to 'threads'.

            
            #

            
            #	comms

            
            #

            
            #		'comms' contains a record for each 'comm' - the name given to the executable that is running.

            
            #

            
            #	dsos

            
            #

            
            #		'dsos' contains a record for each executable file or library.

            
            #

            
            #	machines

            
            #

            
            #		'machines' can be used to distinguish virtual machines if virtualization is supported.

            
            #

            
            #	selected_events

            
            #

            
            #		'selected_events' contains a record for each kind of event that has been sampled.

            
            #

            
            #	symbols

            
            #

            
            #		'symbols' contains a record for each symbol.  Only symbols that have samples are present.

            
            #

            
            #	threads

            
            #

            
            #		'threads' contains a record for each thread.

            
            #

            
            # Views:

            
            #

            
            #	Most of the tables have views for more friendly display.  The views are:

            
            #

            
            #		calls_view

            
            #		call_paths_view

            
            #		comm_threads_view

            
            #		dsos_view

            
            #		machines_view

            
            #		samples_view

            
            #		symbols_view

            
            #		threads_view

            
            #

            
            # More examples of browsing the database with psql:

            
            #   Note that some of the examples are not the most optimal SQL query.

            
            #   Note that call information is only available if the script's 'calls' option has been used.

            
            #

            
            #	Top 10 function calls (not aggregated by symbol):

            
            #

            
            #		SELECT * FROM calls_view ORDER BY elapsed_time DESC LIMIT 10;

            
            #

            
            #	Top 10 function calls (aggregated by symbol):

            
            #

            
            #		SELECT symbol_id,(SELECT name FROM symbols WHERE id = symbol_id) AS symbol,

            
            #			SUM(elapsed_time) AS tot_elapsed_time,SUM(branch_count) AS tot_branch_count

            
            #			FROM calls_view GROUP BY symbol_id ORDER BY tot_elapsed_time DESC LIMIT 10;

            
            #

            
            #		Note that the branch count gives a rough estimation of cpu usage, so functions

            
            #		that took a long time but have a relatively low branch count must have spent time

            
            #		waiting.

            
            #

            
            #	Find symbols by pattern matching on part of the name (e.g. names containing 'alloc'):

            
            #

            
            #		SELECT * FROM symbols_view WHERE name LIKE '%alloc%';

            
            #

            
            #	Top 10 function calls for a specific symbol (e.g. whose symbol_id is 187):

            
            #

            
            #		SELECT * FROM calls_view WHERE symbol_id = 187 ORDER BY elapsed_time DESC LIMIT 10;

            
            #

            
            #	Show function calls made by function in the same context (i.e. same call path) (e.g. one with call_path_id 254):

            
            #

            
            #		SELECT * FROM calls_view WHERE parent_call_path_id = 254;

            
            #

            
            #	Show branches made during a function call (e.g. where call_id is 29357 and return_id is 29370 and tid is 29670)

            
            #

            
            #		SELECT * FROM samples_view WHERE id >= 29357 AND id <= 29370 AND tid = 29670 AND event LIKE 'branches%';

            
            #

            
            #	Show transactions:

            
            #

            
            #		SELECT * FROM samples_view WHERE event = 'transactions';

            
            #

            
            #		Note transaction start has 'in_tx' true whereas, transaction end has 'in_tx' false.

            
            #		Transaction aborts have branch_type_name 'transaction abort'

            
            #

            
            #	Show transaction aborts:

            
            #

            
            #		SELECT * FROM samples_view WHERE event = 'transactions' AND branch_type_name = 'transaction abort';

            
            #

            
            # To print a call stack requires walking the call_paths table.  For example this python script:

            
            #   #!/usr/bin/python2

            
            #

            
            #   import sys

            
            #   from PySide.QtSql import *

            
            #

            
            #   if __name__ == '__main__':

            
            #           if (len(sys.argv) < 3):

            
            #                   print >> sys.stderr, "Usage is: printcallstack.py <database name> <call_path_id>"

            
            #                   raise Exception("Too few arguments")

            
            #           dbname = sys.argv[1]

            
            #           call_path_id = sys.argv[2]

            
            #           db = QSqlDatabase.addDatabase('QPSQL')

            
            #           db.setDatabaseName(dbname)

            
            #           if not db.open():

            
            #                   raise Exception("Failed to open database " + dbname + " error: " + db.lastError().text())

            
            #           query = QSqlQuery(db)

            
            #           print "    id          ip  symbol_id  symbol                          dso_id  dso_short_name"

            
            #           while call_path_id != 0 and call_path_id != 1:

            
            #                   ret = query.exec_('SELECT * FROM call_paths_view WHERE id = ' + str(call_path_id))

            
            #                   if not ret:

            
            #                           raise Exception("Query failed: " + query.lastError().text())

            
            #                   if not query.next():

            
            #                           raise Exception("Query failed")

            
            #                   print "{0:>6}  {1:>10}  {2:>9}  {3:<30}  {4:>6}  {5:<30}".format(query.value(0), query.value(1), query.value(2), query.value(3), query.value(4), query.value(5))

            
            #                   call_path_id = query.value(6)


            from PySide.QtSql import *


            # Need to access PostgreSQL C library directly to use COPY FROM STDIN

            
            from ctypes import *

            
            libpq = CDLL("libpq.so.5")

            
            PQconnectdb = libpq.PQconnectdb

            
            PQconnectdb.restype = c_void_p

            
            PQconnectdb.argtypes = [ c_char_p ]

            
            PQfinish = libpq.PQfinish

            
            PQfinish.argtypes = [ c_void_p ]

            
            PQstatus = libpq.PQstatus

            
            PQstatus.restype = c_int

            
            PQstatus.argtypes = [ c_void_p ]

            
            PQexec = libpq.PQexec

            
            PQexec.restype = c_void_p

            
            PQexec.argtypes = [ c_void_p, c_char_p ]

            
            PQresultStatus = libpq.PQresultStatus

            
            PQresultStatus.restype = c_int

            
            PQresultStatus.argtypes = [ c_void_p ]

            
            PQputCopyData = libpq.PQputCopyData

            
            PQputCopyData.restype = c_int

            
            PQputCopyData.argtypes = [ c_void_p, c_void_p, c_int ]

            
            PQputCopyEnd = libpq.PQputCopyEnd

            
            PQputCopyEnd.restype = c_int

            
            PQputCopyEnd.argtypes = [ c_void_p, c_void_p ]


            sys.path.append(os.environ['PERF_EXEC_PATH'] + \

            
            	'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')


            # These perf imports are not used at present

            
            #from perf_trace_context import *

            
            #from Core import *


            perf_db_export_mode = True

            
            perf_db_export_calls = False

            
            perf_db_export_callchains = False


            def usage():

            
            	print >> sys.stderr, "Usage is: export-to-postgresql.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"

            
            	raise Exception("Too few arguments")


            if (len(sys.argv) < 2):

            
            	usage()


            dbname = sys.argv[1]


            if (len(sys.argv) >= 3):

            
            	columns = sys.argv[2]

            
            else:

            
            	columns = "all"


            if columns not in ("all", "branches"):

            
            	usage()


            branches = (columns == "branches")


            for i in range(3,len(sys.argv)):

            
            	if (sys.argv[i] == "calls"):

            
            		perf_db_export_calls = True

            
            	elif (sys.argv[i] == "callchains"):

            
            		perf_db_export_callchains = True

            
            	else:

            
            		usage()


            output_dir_name = os.getcwd() + "/" + dbname + "-perf-data"

            
            os.mkdir(output_dir_name)


            def do_query(q, s):

            
            	if (q.exec_(s)):

            
            		return

            
            	raise Exception("Query failed: " + q.lastError().text())


            print datetime.datetime.today(), "Creating database..."


            db = QSqlDatabase.addDatabase('QPSQL')

            
            query = QSqlQuery(db)

            
            db.setDatabaseName('postgres')

            
            db.open()

            
            try:

            
            	do_query(query, 'CREATE DATABASE ' + dbname)

            
            except:

            
            	os.rmdir(output_dir_name)

            
            	raise

            
            query.finish()

            
            query.clear()

            
            db.close()


            db.setDatabaseName(dbname)

            
            db.open()


            query = QSqlQuery(db)

            
            do_query(query, 'SET client_min_messages TO WARNING')


            do_query(query, 'CREATE TABLE selected_events ('

            
            		'id		bigint		NOT NULL,'

            
            		'name		varchar(80))')

            
            do_query(query, 'CREATE TABLE machines ('

            
            		'id		bigint		NOT NULL,'

            
            		'pid		integer,'

            
            		'root_dir 	varchar(4096))')

            
            do_query(query, 'CREATE TABLE threads ('

            
            		'id		bigint		NOT NULL,'

            
            		'machine_id	bigint,'

            
            		'process_id	bigint,'

            
            		'pid		integer,'

            
            		'tid		integer)')

            
            do_query(query, 'CREATE TABLE comms ('

            
            		'id		bigint		NOT NULL,'

            
            		'comm		varchar(16))')

            
            do_query(query, 'CREATE TABLE comm_threads ('

            
            		'id		bigint		NOT NULL,'

            
            		'comm_id	bigint,'

            
            		'thread_id	bigint)')

            
            do_query(query, 'CREATE TABLE dsos ('

            
            		'id		bigint		NOT NULL,'

            
            		'machine_id	bigint,'

            
            		'short_name	varchar(256),'

            
            		'long_name	varchar(4096),'

            
            		'build_id	varchar(64))')

            
            do_query(query, 'CREATE TABLE symbols ('

            
            		'id		bigint		NOT NULL,'

            
            		'dso_id		bigint,'

            
            		'sym_start	bigint,'

            
            		'sym_end	bigint,'

            
            		'binding	integer,'

            
            		'name		varchar(2048))')

            
            do_query(query, 'CREATE TABLE branch_types ('

            
            		'id		integer		NOT NULL,'

            
            		'name		varchar(80))')


            if branches:

            
            	do_query(query, 'CREATE TABLE samples ('

            
            		'id		bigint		NOT NULL,'

            
            		'evsel_id	bigint,'

            
            		'machine_id	bigint,'

            
            		'thread_id	bigint,'

            
            		'comm_id	bigint,'

            
            		'dso_id		bigint,'

            
            		'symbol_id	bigint,'

            
            		'sym_offset	bigint,'

            
            		'ip		bigint,'

            
            		'time		bigint,'

            
            		'cpu		integer,'

            
            		'to_dso_id	bigint,'

            
            		'to_symbol_id	bigint,'

            
            		'to_sym_offset	bigint,'

            
            		'to_ip		bigint,'

            
            		'branch_type	integer,'

            
            		'in_tx		boolean,'

            
            		'call_path_id	bigint)')

            
            else:

            
            	do_query(query, 'CREATE TABLE samples ('

            
            		'id		bigint		NOT NULL,'

            
            		'evsel_id	bigint,'

            
            		'machine_id	bigint,'

            
            		'thread_id	bigint,'

            
            		'comm_id	bigint,'

            
            		'dso_id		bigint,'

            
            		'symbol_id	bigint,'

            
            		'sym_offset	bigint,'

            
            		'ip		bigint,'

            
            		'time		bigint,'

            
            		'cpu		integer,'

            
            		'to_dso_id	bigint,'

            
            		'to_symbol_id	bigint,'

            
            		'to_sym_offset	bigint,'

            
            		'to_ip		bigint,'

            
            		'period		bigint,'

            
            		'weight		bigint,'

            
            		'transaction	bigint,'

            
            		'data_src	bigint,'

            
            		'branch_type	integer,'

            
            		'in_tx		boolean,'

            
            		'call_path_id	bigint)')


            if perf_db_export_calls or perf_db_export_callchains:

            
            	do_query(query, 'CREATE TABLE call_paths ('

            
            		'id		bigint		NOT NULL,'

            
            		'parent_id	bigint,'

            
            		'symbol_id	bigint,'

            
            		'ip		bigint)')

            
            if perf_db_export_calls:

            
            	do_query(query, 'CREATE TABLE calls ('

            
            		'id		bigint		NOT NULL,'

            
            		'thread_id	bigint,'

            
            		'comm_id	bigint,'

            
            		'call_path_id	bigint,'

            
            		'call_time	bigint,'

            
            		'return_time	bigint,'

            
            		'branch_count	bigint,'

            
            		'call_id	bigint,'

            
            		'return_id	bigint,'

            
            		'parent_call_path_id	bigint,'

            
            		'flags		integer)')


            do_query(query, 'CREATE VIEW machines_view AS '

            
            	'SELECT '

            
            		'id,'

            
            		'pid,'

            
            		'root_dir,'

            
            		'CASE WHEN id=0 THEN \'unknown\' WHEN pid=-1 THEN \'host\' ELSE \'guest\' END AS host_or_guest'

            
            	' FROM machines')


            do_query(query, 'CREATE VIEW dsos_view AS '

            
            	'SELECT '

            
            		'id,'

            
            		'machine_id,'

            
            		'(SELECT host_or_guest FROM machines_view WHERE id = machine_id) AS host_or_guest,'

            
            		'short_name,'

            
            		'long_name,'

            
            		'build_id'

            
            	' FROM dsos')


            do_query(query, 'CREATE VIEW symbols_view AS '

            
            	'SELECT '

            
            		'id,'

            
            		'name,'

            
            		'(SELECT short_name FROM dsos WHERE id=dso_id) AS dso,'

            
            		'dso_id,'

            
            		'sym_start,'

            
            		'sym_end,'

            
            		'CASE WHEN binding=0 THEN \'local\' WHEN binding=1 THEN \'global\' ELSE \'weak\' END AS binding'

            
            	' FROM symbols')


            do_query(query, 'CREATE VIEW threads_view AS '

            
            	'SELECT '

            
            		'id,'

            
            		'machine_id,'

            
            		'(SELECT host_or_guest FROM machines_view WHERE id = machine_id) AS host_or_guest,'

            
            		'process_id,'

            
            		'pid,'

            
            		'tid'

            
            	' FROM threads')


            do_query(query, 'CREATE VIEW comm_threads_view AS '

            
            	'SELECT '

            
            		'comm_id,'

            
            		'(SELECT comm FROM comms WHERE id = comm_id) AS command,'

            
            		'thread_id,'

            
            		'(SELECT pid FROM threads WHERE id = thread_id) AS pid,'

            
            		'(SELECT tid FROM threads WHERE id = thread_id) AS tid'

            
            	' FROM comm_threads')


            if perf_db_export_calls or perf_db_export_callchains:

            
            	do_query(query, 'CREATE VIEW call_paths_view AS '

            
            		'SELECT '

            
            			'c.id,'

            
            			'to_hex(c.ip) AS ip,'

            
            			'c.symbol_id,'

            
            			'(SELECT name FROM symbols WHERE id = c.symbol_id) AS symbol,'

            
            			'(SELECT dso_id FROM symbols WHERE id = c.symbol_id) AS dso_id,'

            
            			'(SELECT dso FROM symbols_view  WHERE id = c.symbol_id) AS dso_short_name,'

            
            			'c.parent_id,'

            
            			'to_hex(p.ip) AS parent_ip,'

            
            			'p.symbol_id AS parent_symbol_id,'

            
            			'(SELECT name FROM symbols WHERE id = p.symbol_id) AS parent_symbol,'

            
            			'(SELECT dso_id FROM symbols WHERE id = p.symbol_id) AS parent_dso_id,'

            
            			'(SELECT dso FROM symbols_view  WHERE id = p.symbol_id) AS parent_dso_short_name'

            
            		' FROM call_paths c INNER JOIN call_paths p ON p.id = c.parent_id')

            
            if perf_db_export_calls:

            
            	do_query(query, 'CREATE VIEW calls_view AS '

            
            		'SELECT '

            
            			'calls.id,'

            
            			'thread_id,'

            
            			'(SELECT pid FROM threads WHERE id = thread_id) AS pid,'

            
            			'(SELECT tid FROM threads WHERE id = thread_id) AS tid,'

            
            			'(SELECT comm FROM comms WHERE id = comm_id) AS command,'

            
            			'call_path_id,'

            
            			'to_hex(ip) AS ip,'

            
            			'symbol_id,'

            
            			'(SELECT name FROM symbols WHERE id = symbol_id) AS symbol,'

            
            			'call_time,'

            
            			'return_time,'

            
            			'return_time - call_time AS elapsed_time,'

            
            			'branch_count,'

            
            			'call_id,'

            
            			'return_id,'

            
            			'CASE WHEN flags=1 THEN \'no call\' WHEN flags=2 THEN \'no return\' WHEN flags=3 THEN \'no call/return\' ELSE \'\' END AS flags,'

            
            			'parent_call_path_id'

            
            		' FROM calls INNER JOIN call_paths ON call_paths.id = call_path_id')


            do_query(query, 'CREATE VIEW samples_view AS '

            
            	'SELECT '

            
            		'id,'

            
            		'time,'

            
            		'cpu,'

            
            		'(SELECT pid FROM threads WHERE id = thread_id) AS pid,'

            
            		'(SELECT tid FROM threads WHERE id = thread_id) AS tid,'

            
            		'(SELECT comm FROM comms WHERE id = comm_id) AS command,'

            
            		'(SELECT name FROM selected_events WHERE id = evsel_id) AS event,'

            
            		'to_hex(ip) AS ip_hex,'

            
            		'(SELECT name FROM symbols WHERE id = symbol_id) AS symbol,'

            
            		'sym_offset,'

            
            		'(SELECT short_name FROM dsos WHERE id = dso_id) AS dso_short_name,'

            
            		'to_hex(to_ip) AS to_ip_hex,'

            
            		'(SELECT name FROM symbols WHERE id = to_symbol_id) AS to_symbol,'

            
            		'to_sym_offset,'

            
            		'(SELECT short_name FROM dsos WHERE id = to_dso_id) AS to_dso_short_name,'

            
            		'(SELECT name FROM branch_types WHERE id = branch_type) AS branch_type_name,'

            
            		'in_tx'

            
            	' FROM samples')


            file_header = struct.pack("!11sii", "PGCOPY\n\377\r\n\0", 0, 0)

            
            file_trailer = "\377\377"


            def open_output_file(file_name):

            
            	path_name = output_dir_name + "/" + file_name

            
            	file = open(path_name, "w+")

            
            	file.write(file_header)

            
            	return file


            def close_output_file(file):

            
            	file.write(file_trailer)

            
            	file.close()


            def copy_output_file_direct(file, table_name):

            
            	close_output_file(file)

            
            	sql = "COPY " + table_name + " FROM '" + file.name + "' (FORMAT 'binary')"

            
            	do_query(query, sql)


            # Use COPY FROM STDIN because security may prevent postgres from accessing the files directly

            
            def copy_output_file(file, table_name):

            
            	conn = PQconnectdb("dbname = " + dbname)

            
            	if (PQstatus(conn)):

            
            		raise Exception("COPY FROM STDIN PQconnectdb failed")

            
            	file.write(file_trailer)

            
            	file.seek(0)

            
            	sql = "COPY " + table_name + " FROM STDIN (FORMAT 'binary')"

            
            	res = PQexec(conn, sql)

            
            	if (PQresultStatus(res) != 4):

            
            		raise Exception("COPY FROM STDIN PQexec failed")

            
            	data = file.read(65536)

            
            	while (len(data)):

            
            		ret = PQputCopyData(conn, data, len(data))

            
            		if (ret != 1):

            
            			raise Exception("COPY FROM STDIN PQputCopyData failed, error " + str(ret))

            
            		data = file.read(65536)

            
            	ret = PQputCopyEnd(conn, None)

            
            	if (ret != 1):

            
            		raise Exception("COPY FROM STDIN PQputCopyEnd failed, error " + str(ret))

            
            	PQfinish(conn)


            def remove_output_file(file):

            
            	name = file.name

            
            	file.close()

            
            	os.unlink(name)


            evsel_file		= open_output_file("evsel_table.bin")

            
            machine_file		= open_output_file("machine_table.bin")

            
            thread_file		= open_output_file("thread_table.bin")

            
            comm_file		= open_output_file("comm_table.bin")

            
            comm_thread_file	= open_output_file("comm_thread_table.bin")

            
            dso_file		= open_output_file("dso_table.bin")

            
            symbol_file		= open_output_file("symbol_table.bin")

            
            branch_type_file	= open_output_file("branch_type_table.bin")

            
            sample_file		= open_output_file("sample_table.bin")

            
            if perf_db_export_calls or perf_db_export_callchains:

            
            	call_path_file		= open_output_file("call_path_table.bin")

            
            if perf_db_export_calls:

            
            	call_file		= open_output_file("call_table.bin")


            def trace_begin():

            
            	print datetime.datetime.today(), "Writing to intermediate files..."

            
            	# id == 0 means unknown.  It is easier to create records for them than replace the zeroes with NULLs

            
            	evsel_table(0, "unknown")

            
            	machine_table(0, 0, "unknown")

            
            	thread_table(0, 0, 0, -1, -1)

            
            	comm_table(0, "unknown")

            
            	dso_table(0, 0, "unknown", "unknown", "")

            
            	symbol_table(0, 0, 0, 0, 0, "unknown")

            
            	sample_table(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)

            
            	if perf_db_export_calls or perf_db_export_callchains:

            
            		call_path_table(0, 0, 0, 0)


            unhandled_count = 0


            def trace_end():

            
            	print datetime.datetime.today(), "Copying to database..."

            
            	copy_output_file(evsel_file,		"selected_events")

            
            	copy_output_file(machine_file,		"machines")

            
            	copy_output_file(thread_file,		"threads")

            
            	copy_output_file(comm_file,		"comms")

            
            	copy_output_file(comm_thread_file,	"comm_threads")

            
            	copy_output_file(dso_file,		"dsos")

            
            	copy_output_file(symbol_file,		"symbols")

            
            	copy_output_file(branch_type_file,	"branch_types")

            
            	copy_output_file(sample_file,		"samples")

            
            	if perf_db_export_calls or perf_db_export_callchains:

            
            		copy_output_file(call_path_file,	"call_paths")

            
            	if perf_db_export_calls:

            
            		copy_output_file(call_file,		"calls")


            	print datetime.datetime.today(), "Removing intermediate files..."

            
            	remove_output_file(evsel_file)

            
            	remove_output_file(machine_file)

            
            	remove_output_file(thread_file)

            
            	remove_output_file(comm_file)

            
            	remove_output_file(comm_thread_file)

            
            	remove_output_file(dso_file)

            
            	remove_output_file(symbol_file)

            
            	remove_output_file(branch_type_file)

            
            	remove_output_file(sample_file)

            
            	if perf_db_export_calls or perf_db_export_callchains:

            
            		remove_output_file(call_path_file)

            
            	if perf_db_export_calls:

            
            		remove_output_file(call_file)

            
            	os.rmdir(output_dir_name)

            
            	print datetime.datetime.today(), "Adding primary keys"

            
            	do_query(query, 'ALTER TABLE selected_events ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE machines        ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE threads         ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE comms           ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE comm_threads    ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE dsos            ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE symbols         ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE branch_types    ADD PRIMARY KEY (id)')

            
            	do_query(query, 'ALTER TABLE samples         ADD PRIMARY KEY (id)')

            
            	if perf_db_export_calls or perf_db_export_callchains:

            
            		do_query(query, 'ALTER TABLE call_paths      ADD PRIMARY KEY (id)')

            
            	if perf_db_export_calls:

            
            		do_query(query, 'ALTER TABLE calls           ADD PRIMARY KEY (id)')


            	print datetime.datetime.today(), "Adding foreign keys"

            
            	do_query(query, 'ALTER TABLE threads '

            
            					'ADD CONSTRAINT machinefk  FOREIGN KEY (machine_id)   REFERENCES machines   (id),'

            
            					'ADD CONSTRAINT processfk  FOREIGN KEY (process_id)   REFERENCES threads    (id)')

            
            	do_query(query, 'ALTER TABLE comm_threads '

            
            					'ADD CONSTRAINT commfk     FOREIGN KEY (comm_id)      REFERENCES comms      (id),'

            
            					'ADD CONSTRAINT threadfk   FOREIGN KEY (thread_id)    REFERENCES threads    (id)')

            
            	do_query(query, 'ALTER TABLE dsos '

            
            					'ADD CONSTRAINT machinefk  FOREIGN KEY (machine_id)   REFERENCES machines   (id)')

            
            	do_query(query, 'ALTER TABLE symbols '

            
            					'ADD CONSTRAINT dsofk      FOREIGN KEY (dso_id)       REFERENCES dsos       (id)')

            
            	do_query(query, 'ALTER TABLE samples '

            
            					'ADD CONSTRAINT evselfk    FOREIGN KEY (evsel_id)     REFERENCES selected_events (id),'

            
            					'ADD CONSTRAINT machinefk  FOREIGN KEY (machine_id)   REFERENCES machines   (id),'

            
            					'ADD CONSTRAINT threadfk   FOREIGN KEY (thread_id)    REFERENCES threads    (id),'

            
            					'ADD CONSTRAINT commfk     FOREIGN KEY (comm_id)      REFERENCES comms      (id),'

            
            					'ADD CONSTRAINT dsofk      FOREIGN KEY (dso_id)       REFERENCES dsos       (id),'

            
            					'ADD CONSTRAINT symbolfk   FOREIGN KEY (symbol_id)    REFERENCES symbols    (id),'

            
            					'ADD CONSTRAINT todsofk    FOREIGN KEY (to_dso_id)    REFERENCES dsos       (id),'

            
            					'ADD CONSTRAINT tosymbolfk FOREIGN KEY (to_symbol_id) REFERENCES symbols    (id)')

            
            	if perf_db_export_calls or perf_db_export_callchains:

            
            		do_query(query, 'ALTER TABLE call_paths '

            
            					'ADD CONSTRAINT parentfk    FOREIGN KEY (parent_id)    REFERENCES call_paths (id),'

            
            					'ADD CONSTRAINT symbolfk    FOREIGN KEY (symbol_id)    REFERENCES symbols    (id)')

            
            	if perf_db_export_calls:

            
            		do_query(query, 'ALTER TABLE calls '

            
            					'ADD CONSTRAINT threadfk    FOREIGN KEY (thread_id)    REFERENCES threads    (id),'

            
            					'ADD CONSTRAINT commfk      FOREIGN KEY (comm_id)      REFERENCES comms      (id),'

            
            					'ADD CONSTRAINT call_pathfk FOREIGN KEY (call_path_id) REFERENCES call_paths (id),'

            
            					'ADD CONSTRAINT callfk      FOREIGN KEY (call_id)      REFERENCES samples    (id),'

            
            					'ADD CONSTRAINT returnfk    FOREIGN KEY (return_id)    REFERENCES samples    (id),'

            
            					'ADD CONSTRAINT parent_call_pathfk FOREIGN KEY (parent_call_path_id) REFERENCES call_paths (id)')

            
            		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"


            def trace_unhandled(event_name, context, event_fields_dict):

            
            	global unhandled_count

            
            	unhandled_count += 1


            def sched__sched_switch(*x):

            
            	pass


            def evsel_table(evsel_id, evsel_name, *x):

            
            	n = len(evsel_name)

            
            	fmt = "!hiqi" + str(n) + "s"

            
            	value = struct.pack(fmt, 2, 8, evsel_id, n, evsel_name)

            
            	evsel_file.write(value)


            def machine_table(machine_id, pid, root_dir, *x):

            
            	n = len(root_dir)

            
            	fmt = "!hiqiii" + str(n) + "s"

            
            	value = struct.pack(fmt, 3, 8, machine_id, 4, pid, n, root_dir)

            
            	machine_file.write(value)


            def thread_table(thread_id, machine_id, process_id, pid, tid, *x):

            
            	value = struct.pack("!hiqiqiqiiii", 5, 8, thread_id, 8, machine_id, 8, process_id, 4, pid, 4, tid)

            
            	thread_file.write(value)


            def comm_table(comm_id, comm_str, *x):

            
            	n = len(comm_str)

            
            	fmt = "!hiqi" + str(n) + "s"

            
            	value = struct.pack(fmt, 2, 8, comm_id, n, comm_str)

            
            	comm_file.write(value)


            def comm_thread_table(comm_thread_id, comm_id, thread_id, *x):

            
            	fmt = "!hiqiqiq"

            
            	value = struct.pack(fmt, 3, 8, comm_thread_id, 8, comm_id, 8, thread_id)

            
            	comm_thread_file.write(value)


            def dso_table(dso_id, machine_id, short_name, long_name, build_id, *x):

            
            	n1 = len(short_name)

            
            	n2 = len(long_name)

            
            	n3 = len(build_id)

            
            	fmt = "!hiqiqi" + str(n1) + "si"  + str(n2) + "si" + str(n3) + "s"

            
            	value = struct.pack(fmt, 5, 8, dso_id, 8, machine_id, n1, short_name, n2, long_name, n3, build_id)

            
            	dso_file.write(value)


            def symbol_table(symbol_id, dso_id, sym_start, sym_end, binding, symbol_name, *x):

            
            	n = len(symbol_name)

            
            	fmt = "!hiqiqiqiqiii" + str(n) + "s"

            
            	value = struct.pack(fmt, 6, 8, symbol_id, 8, dso_id, 8, sym_start, 8, sym_end, 4, binding, n, symbol_name)

            
            	symbol_file.write(value)


            def branch_type_table(branch_type, name, *x):

            
            	n = len(name)

            
            	fmt = "!hiii" + str(n) + "s"

            
            	value = struct.pack(fmt, 2, 4, branch_type, n, name)

            
            	branch_type_file.write(value)


            def sample_table(sample_id, evsel_id, machine_id, thread_id, comm_id, dso_id, symbol_id, sym_offset, ip, time, cpu, to_dso_id, to_symbol_id, to_sym_offset, to_ip, period, weight, transaction, data_src, branch_type, in_tx, call_path_id, *x):

            
            	if branches:

            
            		value = struct.pack("!hiqiqiqiqiqiqiqiqiqiqiiiqiqiqiqiiiBiq", 18, 8, sample_id, 8, evsel_id, 8, machine_id, 8, thread_id, 8, comm_id, 8, dso_id, 8, symbol_id, 8, sym_offset, 8, ip, 8, time, 4, cpu, 8, to_dso_id, 8, to_symbol_id, 8, to_sym_offset, 8, to_ip, 4, branch_type, 1, in_tx, 8, call_path_id)

            
            	else:

            
            		value = struct.pack("!hiqiqiqiqiqiqiqiqiqiqiiiqiqiqiqiqiqiqiqiiiBiq", 22, 8, sample_id, 8, evsel_id, 8, machine_id, 8, thread_id, 8, comm_id, 8, dso_id, 8, symbol_id, 8, sym_offset, 8, ip, 8, time, 4, cpu, 8, to_dso_id, 8, to_symbol_id, 8, to_sym_offset, 8, to_ip, 8, period, 8, weight, 8, transaction, 8, data_src, 4, branch_type, 1, in_tx, 8, call_path_id)

            
            	sample_file.write(value)


            def call_path_table(cp_id, parent_id, symbol_id, ip, *x):

            
            	fmt = "!hiqiqiqiq"

            
            	value = struct.pack(fmt, 4, 8, cp_id, 8, parent_id, 8, symbol_id, 8, ip)

            
            	call_path_file.write(value)


            def call_return_table(cr_id, thread_id, comm_id, call_path_id, call_time, return_time, branch_count, call_id, return_id, parent_call_path_id, flags, *x):

            
            	fmt = "!hiqiqiqiqiqiqiqiqiqiqii"

            
            	value = struct.pack(fmt, 11, 8, cr_id, 8, thread_id, 8, comm_id, 8, call_path_id, 8, call_time, 8, return_time, 8, branch_count, 8, call_id, 8, return_id, 8, parent_call_path_id, 4, flags)

            
            	call_file.write(value)