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Commit b2556c46 authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf scripts python: call-graph-from-sql.py: Separate the database details into a class 



Separate the database details into a class that can provide different
connections using the same connection information.  That paves the way
for sub-processes that require their own connection.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20181001062853.28285-7-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 7e4fc93e

tools/perf/scripts/python/call-graph-from-sql.py

+38 −25
Original line number Diff line number Diff line
@@ -284,41 +284,33 @@ class MainWindow(QMainWindow): 


		self.setCentralWidget(self.view)



# Main

# Database reference



def Main():

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

		print >> sys.stderr, "Usage is: call-graph-from-sql.py <database name>"

		raise Exception("Too few arguments")

class DBRef():



	dbname = sys.argv[1]

	def __init__(self, is_sqlite3, dbname):

		self.is_sqlite3 = is_sqlite3

		self.dbname = dbname



	is_sqlite3 = False

	try:

		f = open(dbname)

		if f.read(15) == "SQLite format 3":

			is_sqlite3 = True

		f.close()

	except:

		pass



	if is_sqlite3:

		db = QSqlDatabase.addDatabase('QSQLITE')

	def Open(self, connection_name):

		dbname = self.dbname

		if self.is_sqlite3:

			db = QSqlDatabase.addDatabase("QSQLITE", connection_name)

		else:

		db = QSqlDatabase.addDatabase('QPSQL')

			db = QSqlDatabase.addDatabase("QPSQL", connection_name)

			opts = dbname.split()

			for opt in opts:

			if '=' in opt:

				opt = opt.split('=')

				if opt[0] == 'hostname':

				if "=" in opt:

					opt = opt.split("=")

					if opt[0] == "hostname":

						db.setHostName(opt[1])

				elif opt[0] == 'port':

					elif opt[0] == "port":

						db.setPort(int(opt[1]))

				elif opt[0] == 'username':

					elif opt[0] == "username":

						db.setUserName(opt[1])

				elif opt[0] == 'password':

					elif opt[0] == "password":

						db.setPassword(opt[1])

				elif opt[0] == 'dbname':

					elif opt[0] == "dbname":

						dbname = opt[1]

				else:

					dbname = opt
@@ -326,7 +318,28 @@ def Main(): 
		db.setDatabaseName(dbname)

		if not db.open():

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

		return db, dbname



# Main



def Main():

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

		print >> sys.stderr, "Usage is: call-graph-from-sql.py <database name>"

		raise Exception("Too few arguments")



	dbname = sys.argv[1]



	is_sqlite3 = False

	try:

		f = open(dbname)

		if f.read(15) == "SQLite format 3":

			is_sqlite3 = True

		f.close()

	except:

		pass



	dbref = DBRef(is_sqlite3, dbname)

	db, dbname = dbref.Open("main")

	app = QApplication(sys.argv)

	window = MainWindow(db, dbname)

	window.show()