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- tools
- perf
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- python
- export-to-postgresql.py
# 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
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
PQfinish = libpq.PQfinish
PQstatus = libpq.PQstatus
PQexec = libpq.PQexec
PQexec.restype = c_void_p
PQresultStatus = libpq.PQresultStatus
PQputCopyData = libpq.PQputCopyData
PQputCopyData.argtypes = [ c_void_p, c_void_p, c_int ]
PQputCopyEnd = libpq.PQputCopyEnd
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
def usage():
print >> sys.stderr, "Usage is: export-to-postgresql.py <database name> [<columns>] [<calls>]"
print >> sys.stderr, "where: columns 'all' or 'branches'"
print >> sys.stderr, " calls 'calls' => create calls 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")
if (len(sys.argv) >= 4):
if (sys.argv[3] == "calls"):
perf_db_export_calls = 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)')
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)')
if perf_db_export_calls:
do_query(query, 'CREATE TABLE call_paths ('
'id bigint NOT NULL,'
'parent_id bigint,'
'symbol_id bigint,'
'ip bigint)')
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 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:
call_path_file = open_output_file("call_path_table.bin")
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)
if perf_db_export_calls:
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:
copy_output_file(call_path_file, "call_paths")
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:
remove_output_file(call_path_file)
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:
do_query(query, 'ALTER TABLE call_paths ADD PRIMARY KEY (id)')
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:
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)')
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, *x):
if branches:
value = struct.pack("!hiqiqiqiqiqiqiqiqiqiqiiiqiqiqiqiiiB", 17, 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)
else:
value = struct.pack("!hiqiqiqiqiqiqiqiqiqiqiiiqiqiqiqiqiqiqiqiiiB", 21, 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)
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)