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Commit 3f0bd8da authored by Anton Blanchard's avatar Anton Blanchard Committed by Michael Ellerman
Browse files

powerpc/perf: Add POWER9 alternate PM_RUN_CYC and PM_RUN_INST_CMPL events 



Similar to POWER8, POWER9 can count run cycles and run instructions
completed on more than one PMU.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Acked-by: default avatarMadhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 20dd4c62

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

+4 −0
Original line number Diff line number Diff line
@@ -51,8 +51,12 @@ EVENT(PM_DTLB_MISS, 0x300fc) 
EVENT(PM_ITLB_MISS,				0x400fc)

/* Run_Instructions */

EVENT(PM_RUN_INST_CMPL,				0x500fa)

/* Alternate event code for PM_RUN_INST_CMPL */

EVENT(PM_RUN_INST_CMPL_ALT,			0x400fa)

/* Run_cycles */

EVENT(PM_RUN_CYC,				0x600f4)

/* Alternate event code for Run_cycles */

EVENT(PM_RUN_CYC_ALT,				0x200f4)

/* Instruction Dispatched */

EVENT(PM_INST_DISP,				0x200f2)

EVENT(PM_INST_DISP_ALT,				0x300f2)

arch/powerpc/perf/power9-pmu.c

+2 −0
Original line number Diff line number Diff line
@@ -107,6 +107,8 @@ extern struct attribute_group isa207_pmu_format_group; 
/* Table of alternatives, sorted by column 0 */

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

	{ PM_INST_DISP,			PM_INST_DISP_ALT },

	{ PM_RUN_CYC_ALT,		PM_RUN_CYC },

	{ PM_RUN_INST_CMPL_ALT,		PM_RUN_INST_CMPL },

};



static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])