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Commit ac96588d authored by Madhavan Srinivasan's avatar Madhavan Srinivasan Committed by Michael Ellerman
Browse files

powerpc/perf: Add blacklisted events for Power9 DD2.2 



These events either do not count, or do not count correctly, so to
prevent user confusion block counting them at all.

Signed-off-by: default avatarMadhavan Srinivasan <maddy@linux.vnet.ibm.com>
[mpe: Change log]
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 64acab4e

arch/powerpc/perf/power9-events-list.h

+15 −0
Original line number Diff line number Diff line
@@ -82,3 +82,18 @@ EVENT(PM_RADIX_PWC_L3_HIT, 0x3f056) 
EVENT(PM_RUN_CYC_SMT2_MODE,			0x3006c)

EVENT(PM_TM_TX_PASS_RUN_INST,			0x4e014)

EVENT(PM_DISP_HELD_SYNC_HOLD,			0x4003c)

EVENT(PM_DTLB_MISS_16G,				0x1c058)

EVENT(PM_DERAT_MISS_2M,				0x1c05a)

EVENT(PM_DTLB_MISS_2M,				0x1c05c)

EVENT(PM_MRK_DTLB_MISS_1G,			0x1d15c)

EVENT(PM_DTLB_MISS_4K,				0x2c056)

EVENT(PM_DERAT_MISS_1G,				0x2c05a)

EVENT(PM_MRK_DERAT_MISS_2M,			0x2d152)

EVENT(PM_MRK_DTLB_MISS_4K,			0x2d156)

EVENT(PM_MRK_DTLB_MISS_16G,			0x2d15e)

EVENT(PM_DTLB_MISS_64K,				0x3c056)

EVENT(PM_MRK_DERAT_MISS_1G,			0x3d152)

EVENT(PM_MRK_DTLB_MISS_64K,			0x3d156)

EVENT(PM_DTLB_MISS_16M,				0x4c056)

EVENT(PM_DTLB_MISS_1G,				0x4c05a)

EVENT(PM_MRK_DTLB_MISS_16M,			0x4c15e)

arch/powerpc/perf/power9-pmu.c

+22 −0
Original line number Diff line number Diff line
@@ -121,6 +121,25 @@ int p9_dd21_bl_ev[] = { 
	PM_DISP_HELD_SYNC_HOLD,

};



int p9_dd22_bl_ev[] = {

	PM_DTLB_MISS_16G,

	PM_DERAT_MISS_2M,

	PM_DTLB_MISS_2M,

	PM_MRK_DTLB_MISS_1G,

	PM_DTLB_MISS_4K,

	PM_DERAT_MISS_1G,

	PM_MRK_DERAT_MISS_2M,

	PM_MRK_DTLB_MISS_4K,

	PM_MRK_DTLB_MISS_16G,

	PM_DTLB_MISS_64K,

	PM_MRK_DERAT_MISS_1G,

	PM_MRK_DTLB_MISS_64K,

	PM_DISP_HELD_SYNC_HOLD,

	PM_DTLB_MISS_16M,

	PM_DTLB_MISS_1G,

	PM_MRK_DTLB_MISS_16M,

};



/* Table of alternatives, sorted by column 0 */

static const unsigned int power9_event_alternatives[][MAX_ALT] = {

	{ PM_INST_DISP,			PM_INST_DISP_ALT },
@@ -475,6 +494,9 @@ static int __init init_power9_pmu(void) 
		if ((PVR_CFG(pvr) == 2) && (PVR_MIN(pvr) == 1)) {

			power9_pmu.blacklist_ev = p9_dd21_bl_ev;

			power9_pmu.n_blacklist_ev = ARRAY_SIZE(p9_dd21_bl_ev);

		} else if ((PVR_CFG(pvr) == 2) && (PVR_MIN(pvr) == 2)) {

			power9_pmu.blacklist_ev = p9_dd22_bl_ev;

			power9_pmu.n_blacklist_ev = ARRAY_SIZE(p9_dd22_bl_ev);

		}

	}