diff mbox series

[v4,03/19] selftests/resctrl: Unmount resctrl FS if child fails to run benchmark

Message ID 20230713131932.133258-4-ilpo.jarvinen@linux.intel.com (mailing list archive)
State Accepted
Commit f99e413eb54652e2436cc56d081176bc9a34cd8d
Headers show
Series selftests/resctrl: Fixes and cleanups | expand

Commit Message

Ilpo Järvinen July 13, 2023, 1:19 p.m. UTC
A child calls PARENT_EXIT() when it fails to run a benchmark to kill
the parent process. PARENT_EXIT() lacks unmount for the resctrl FS and
the parent won't be there to unmount it either after it gets killed.

Add the resctrl FS unmount also to PARENT_EXIT().

Fixes: 591a6e8588fc ("selftests/resctrl: Add basic resctrl file system operations and data")
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 tools/testing/selftests/resctrl/resctrl.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Reinette Chatre July 13, 2023, 10:51 p.m. UTC | #1
Hi Ilpo,

On 7/13/2023 6:19 AM, Ilpo Järvinen wrote:
> A child calls PARENT_EXIT() when it fails to run a benchmark to kill
> the parent process. PARENT_EXIT() lacks unmount for the resctrl FS and
> the parent won't be there to unmount it either after it gets killed.
> 
> Add the resctrl FS unmount also to PARENT_EXIT().
> 
> Fixes: 591a6e8588fc ("selftests/resctrl: Add basic resctrl file system operations and data")
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Thank you.

Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>

Reinette
diff mbox series

Patch

diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h
index 87e39456dee0..f455f0b7e314 100644
--- a/tools/testing/selftests/resctrl/resctrl.h
+++ b/tools/testing/selftests/resctrl/resctrl.h
@@ -43,6 +43,7 @@ 
 	do {					\
 		perror(err_msg);		\
 		kill(ppid, SIGKILL);		\
+		umount_resctrlfs();		\
 		exit(EXIT_FAILURE);		\
 	} while (0)