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Date: Fri, 1 Mar 2019 17:19:03 -0800
From: Tony Jones <tonyj@...e.de>
To: linux-kernel@...r.kernel.org
Cc: acme@...nel.org, linux-perf-users@...r.kernel.org,
Tony Jones <tonyj@...e.de>,
Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH v2 7/7] perf script python: add printdate function to SQL exporters
Introduce a printdate function to eliminate the repetitive use of
datetime.datetime.today() in the SQL exporting scripts.
Signed-off-by: Tony Jones <tonyj@...e.de>
Cc: Adrian Hunter <adrian.hunter@...el.com>
---
tools/perf/scripts/python/export-to-postgresql.py | 19 +++++++++++--------
tools/perf/scripts/python/export-to-sqlite.py | 13 ++++++++-----
2 files changed, 19 insertions(+), 13 deletions(-)
diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py
index 439bbbf1e036..515dc5506427 100644
--- a/tools/perf/scripts/python/export-to-postgresql.py
+++ b/tools/perf/scripts/python/export-to-postgresql.py
@@ -249,6 +249,9 @@ perf_db_export_callchains = False
def printerr(*args, **kw_args):
print(*args, file=sys.stderr, **kw_args)
+def printdate(*args, **kw_args):
+ print(datetime.datetime.today(), *args, sep=' ', **kw_args)
+
def usage():
printerr("Usage is: export-to-postgresql.py <database name> [<columns>] [<calls>] [<callchains>]")
printerr("where: columns 'all' or 'branches'")
@@ -287,7 +290,7 @@ def do_query(q, s):
return
raise Exception("Query failed: " + q.lastError().text())
-print(datetime.datetime.today(), "Creating database...")
+printdate("Creating database...")
db = QSqlDatabase.addDatabase('QPSQL')
query = QSqlQuery(db)
@@ -580,7 +583,7 @@ if perf_db_export_calls:
call_file = open_output_file("call_table.bin")
def trace_begin():
- print(datetime.datetime.today(), "Writing to intermediate files...")
+ printdate("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")
@@ -596,7 +599,7 @@ def trace_begin():
unhandled_count = 0
def trace_end():
- print(datetime.datetime.today(), "Copying to database...")
+ printdate("Copying to database...")
copy_output_file(evsel_file, "selected_events")
copy_output_file(machine_file, "machines")
copy_output_file(thread_file, "threads")
@@ -611,7 +614,7 @@ def trace_end():
if perf_db_export_calls:
copy_output_file(call_file, "calls")
- print(datetime.datetime.today(), "Removing intermediate files...")
+ printdate("Removing intermediate files...")
remove_output_file(evsel_file)
remove_output_file(machine_file)
remove_output_file(thread_file)
@@ -626,7 +629,7 @@ def trace_end():
if perf_db_export_calls:
remove_output_file(call_file)
os.rmdir(output_dir_name)
- print(datetime.datetime.today(), "Adding primary keys")
+ printdate("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)')
@@ -641,7 +644,7 @@ def trace_end():
if perf_db_export_calls:
do_query(query, 'ALTER TABLE calls ADD PRIMARY KEY (id)')
- print(datetime.datetime.today(), "Adding foreign keys")
+ printdate("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)')
@@ -677,8 +680,8 @@ def trace_end():
do_query(query, 'CREATE INDEX pid_idx ON calls (parent_id)')
if (unhandled_count):
- print(datetime.datetime.today(), "Warning: ", unhandled_count, " unhandled events")
- print(datetime.datetime.today(), "Done")
+ printdate("Warning: ", unhandled_count, " unhandled events")
+ printdate("Done")
def trace_unhandled(event_name, context, event_fields_dict):
global unhandled_count
diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py
index 3da338243aed..3b71902a5a21 100644
--- a/tools/perf/scripts/python/export-to-sqlite.py
+++ b/tools/perf/scripts/python/export-to-sqlite.py
@@ -65,6 +65,9 @@ perf_db_export_callchains = False
def printerr(*args, **keyword_args):
print(*args, file=sys.stderr, **keyword_args)
+def printdate(*args, **kw_args):
+ print(datetime.datetime.today(), *args, sep=' ', **kw_args)
+
def usage():
printerr("Usage is: export-to-sqlite.py <database name> [<columns>] [<calls>] [<callchains>]");
printerr("where: columns 'all' or 'branches'");
@@ -105,7 +108,7 @@ def do_query_(q):
return
raise Exception("Query failed: " + q.lastError().text())
-print(datetime.datetime.today(), "Creating database ...")
+printdate("Creating database ...")
db_exists = False
try:
@@ -383,7 +386,7 @@ if perf_db_export_calls:
call_query.prepare("INSERT INTO calls VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")
def trace_begin():
- print(datetime.datetime.today(), "Writing records...")
+ printdate("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")
@@ -402,14 +405,14 @@ unhandled_count = 0
def trace_end():
do_query(query, 'END TRANSACTION')
- print(datetime.datetime.today(), "Adding indexes")
+ printdate("Adding indexes")
if perf_db_export_calls:
do_query(query, 'CREATE INDEX pcpid_idx ON calls (parent_call_path_id)')
do_query(query, 'CREATE INDEX pid_idx ON calls (parent_id)')
if (unhandled_count):
- print(datetime.datetime.today(), "Warning: ", unhandled_count, " unhandled events")
- print(datetime.datetime.today(), "Done")
+ printdate("Warning: ", unhandled_count, " unhandled events")
+ printdate("Done")
def trace_unhandled(event_name, context, event_fields_dict):
global unhandled_count
--
2.16.4
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