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Commit 7bf35238 authored by Robert Richter's avatar Robert Richter Committed by Ingo Molnar
Browse files

perf/x86-ibs: Enable ibs op micro-ops counting mode 



Allow enabling ibs op micro-ops counting mode.

Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1333390758-10893-4-git-send-email-robert.richter@amd.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent fd0d000b

arch/x86/kernel/cpu/perf_event_amd_ibs.c

+2 −0
Original line number Diff line number Diff line
@@ -468,6 +468,8 @@ static __init int perf_event_ibs_init(void) 
		return -ENODEV;	/* ibs not supported by the cpu */



	perf_ibs_pmu_init(&perf_ibs_fetch, "ibs_fetch");

	if (ibs_caps & IBS_CAPS_OPCNT)

		perf_ibs_op.config_mask |= IBS_OP_CNT_CTL;

	perf_ibs_pmu_init(&perf_ibs_op, "ibs_op");

	register_nmi_handler(NMI_LOCAL, perf_ibs_nmi_handler, 0, "perf_ibs");

	printk(KERN_INFO "perf: AMD IBS detected (0x%08x)\n", ibs_caps);