powerpc/perf: Fix to update cache events with l2l3 events in power10

Export l2l3 events (PM_L2_ST_MISS and PM_L2_ST) and LLC-prefetches
(PM_L3_PF_MISS_L3) via sysfs, and also add these to list of
cache_events.

Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1606409684-1589-7-git-send-email-atrajeev@linux.vnet.ibm.com

arch/powerpc/perf/power10-events-list.h

@@ -39,6 +39,12 @@ EVENT(PM_IC_PREF_REQ,				0x040a0);
 EVENT(PM_DATA_FROM_L3,				0x01340000001c040);
 /* Demand LD - L3 Miss (not L2 hit and not L3 hit) */
 EVENT(PM_DATA_FROM_L3MISS,			0x300fe);
+/* All successful D-side store dispatches for this thread */
+EVENT(PM_L2_ST,					0x010000046080);
+/* All successful D-side store dispatches for this thread that were L2 Miss */
+EVENT(PM_L2_ST_MISS,				0x26880);
+/* Total HW L3 prefetches(Load+store) */
+EVENT(PM_L3_PF_MISS_L3,				0x100000016080);
 /* Data PTEG reload */
 EVENT(PM_DTLB_MISS,				0x300fc);
 /* ITLB Reloaded */

arch/powerpc/perf/power10-pmu.c

@@ -127,6 +127,9 @@ CACHE_EVENT_ATTR(L1-icache-loads,		PM_INST_FROM_L1);
 CACHE_EVENT_ATTR(L1-icache-prefetches,		PM_IC_PREF_REQ);
 CACHE_EVENT_ATTR(LLC-load-misses,		PM_DATA_FROM_L3MISS);
 CACHE_EVENT_ATTR(LLC-loads,			PM_DATA_FROM_L3);
+CACHE_EVENT_ATTR(LLC-prefetches,		PM_L3_PF_MISS_L3);
+CACHE_EVENT_ATTR(LLC-store-misses,		PM_L2_ST_MISS);
+CACHE_EVENT_ATTR(LLC-stores,			PM_L2_ST);
 CACHE_EVENT_ATTR(branch-load-misses,		PM_BR_MPRED_CMPL);
 CACHE_EVENT_ATTR(branch-loads,			PM_BR_CMPL);
 CACHE_EVENT_ATTR(dTLB-load-misses,		PM_DTLB_MISS);
@@ -175,6 +178,9 @@ static struct attribute *power10_events_attr[] = {
 	CACHE_EVENT_PTR(PM_IC_PREF_REQ),
 	CACHE_EVENT_PTR(PM_DATA_FROM_L3MISS),
 	CACHE_EVENT_PTR(PM_DATA_FROM_L3),
+	CACHE_EVENT_PTR(PM_L3_PF_MISS_L3),
+	CACHE_EVENT_PTR(PM_L2_ST_MISS),
+	CACHE_EVENT_PTR(PM_L2_ST),
 	CACHE_EVENT_PTR(PM_BR_MPRED_CMPL),
 	CACHE_EVENT_PTR(PM_BR_CMPL),
 	CACHE_EVENT_PTR(PM_DTLB_MISS),
@@ -460,11 +466,11 @@ static u64 power10_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
 			[C(RESULT_MISS)] = PM_DATA_FROM_L3MISS,
 		},
 		[C(OP_WRITE)] = {
-			[C(RESULT_ACCESS)] = -1,
-			[C(RESULT_MISS)] = -1,
+			[C(RESULT_ACCESS)] = PM_L2_ST,
+			[C(RESULT_MISS)] = PM_L2_ST_MISS,
 		},
 		[C(OP_PREFETCH)] = {
-			[C(RESULT_ACCESS)] = -1,
+			[C(RESULT_ACCESS)] = PM_L3_PF_MISS_L3,
 			[C(RESULT_MISS)] = 0,
 		},
 	},