This is a note to let you know that I've just added the patch titled
perf scripts intel-pt-events.py: Fix IPC output for Python 2
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-scripts-intel-pt-events.py-fix-ipc-output-for-p.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 387ca8a12997e96632ca2b4d3cf3fc37205e1a22
Author: Roman Lozko <lozko.roma@xxxxxxxxx>
Date: Fri Mar 10 15:04:45 2023 +0000
perf scripts intel-pt-events.py: Fix IPC output for Python 2
[ Upstream commit 1f64cfdebfe0494264271e8d7a3a47faf5f58ec7 ]
Integers are not converted to floats during division in Python 2 which
results in incorrect IPC values. Fix by switching to new division
behavior.
Fixes: a483e64c0b62e93a ("perf scripting python: intel-pt-events.py: Add --insn-trace and --src-trace")
Signed-off-by: Roman Lozko <lozko.roma@xxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Link: https://lore.kernel.org/r/20230310150445.2925841-1-lozko.roma@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/perf/scripts/python/intel-pt-events.py b/tools/perf/scripts/python/intel-pt-events.py
index 66452a8ec3586..ed6f614f2724d 100644
--- a/tools/perf/scripts/python/intel-pt-events.py
+++ b/tools/perf/scripts/python/intel-pt-events.py
@@ -11,7 +11,7 @@
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
-from __future__ import print_function
+from __future__ import division, print_function
import os
import sys
