kernel/tools/testing/selftests/powerpc/pmu/event.c, branch linux-rolling-stable

selftests/powerpc/pmu: Add event_init_sampling function

2022-03-01T12:38:13Z

Extended event_init_opts() to include initialization of sampling testcases. Patch adds an event_init_sampling() wrapper to initialize event attribute fields for sampling events. This includes initializing sample period, sample type and event type. Signed-off-by: Madhavan Srinivasan Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220127072012.662451-6-kjain@linux.ibm.com

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191

2019-05-30T18:29:21Z

Based on 1 normalized pattern(s): licensed under gplv2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 99 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Alexios Zavras Reviewed-by: Richard Fontana Reviewed-by: Allison Randal Reviewed-by: Steve Winslow Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170027.163048684@linutronix.de Signed-off-by: Greg Kroah-Hartman

selftests/powerpc: Add tests of PMU EBBs

2014-06-11T07:03:58Z

The Power8 Performance Monitor Unit (PMU) has a new feature called Event Based Branches (EBB). This commit adds tests of the kernel API for using EBBs. Signed-off-by: Michael Ellerman Signed-off-by: Benjamin Herrenschmidt

selftests: Add test of PMU instruction counting on powerpc

2013-08-14T04:57:10Z

This commit adds a test of instruction counting using the PMU on powerpc. Although the bulk of the code is architecture agnostic, the code needs to run a precisely sized loop which is implemented in assembler. Signed-off-by: Michael Ellerman Signed-off-by: Benjamin Herrenschmidt