diff options
Diffstat (limited to 'tools/perf/python/event_analyzing_sample.py')
| -rwxr-xr-x | tools/perf/python/event_analyzing_sample.py | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/tools/perf/python/event_analyzing_sample.py b/tools/perf/python/event_analyzing_sample.py index 15b47cff9fa3..b4efee88d94b 100755 --- a/tools/perf/python/event_analyzing_sample.py +++ b/tools/perf/python/event_analyzing_sample.py @@ -17,10 +17,8 @@ from __future__ import annotations import argparse import math -import os import sqlite3 import struct -import tempfile from typing import Any import perf @@ -117,16 +115,11 @@ session: Any = None class _DB: con: sqlite3.Connection | None = None - temp_path: str | None = None def trace_begin(db_path: str | None = None) -> None: """Initialize database tables.""" print("In trace_begin:\n") - if not db_path: - fd, db_path = tempfile.mkstemp(prefix="perf_events_", suffix=".db") - os.close(fd) - _DB.temp_path = db_path - con = sqlite3.connect(db_path) + con = sqlite3.connect(db_path or ":memory:") try: # Drop any pre-existing tables so repeated runs do not accumulate duplicate events. con.execute("drop table if exists gen_events;") @@ -297,28 +290,20 @@ def show_pebs_ll() -> None: def trace_end() -> None: """Called at the end of trace processing.""" print("In trace_end:\n") - try: - if _DB.con: - try: - _DB.con.commit() - show_general_events() - show_pebs_ll() - finally: - _DB.con.close() - _DB.con = None - finally: - if _DB.temp_path and os.path.exists(_DB.temp_path): - try: - os.remove(_DB.temp_path) - except OSError: - pass - _DB.temp_path = None + if _DB.con: + try: + _DB.con.commit() + show_general_events() + show_pebs_ll() + finally: + _DB.con.close() + _DB.con = None if __name__ == "__main__": ap = argparse.ArgumentParser(description="Analyze events with SQLite") ap.add_argument("-i", "--input", default="perf.data", help="Input file name") ap.add_argument("-d", "--db", "--database", dest="database", default=None, - help="Database file name (defaults to a temporary file cleaned up on exit)") + help="Database file name (defaults to an in-memory database)") args = ap.parse_args() try: |
