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26-Jan-2022 |
Madhavan Srinivasan <maddy@linux.ibm.com> |
selftests/powerpc/pmu: Add event_init_sampling function 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 <maddy@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220127072012.662451-6-kjain@linux.ibm.com
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f50a7f3d |
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28-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191 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 <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Steve Winslow <swinslow@gmail.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170027.163048684@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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3752e453 |
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10-Jun-2014 |
Michael Ellerman <mpe@ellerman.id.au> |
selftests/powerpc: Add tests of PMU EBBs 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 <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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cb96143d |
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06-Aug-2013 |
Michael Ellerman <michael@ellerman.id.au> |
selftests: Add test of PMU instruction counting on powerpc 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 <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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