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Commit 28e8f9be authored by David S. Miller's avatar David S. Miller
Browse files

sparc: Support all ultra3 and ultra4 derivatives. 



For the generic events we support, all of these chips have
the same encodings as ultra3i.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2ce4da2e

arch/sparc/kernel/perf_event.c

+13 −10
Original line number Diff line number Diff line
@@ -91,19 +91,19 @@ struct sparc_pmu { 
	int				lower_nop;

};



static const struct perf_event_map ultra3i_perfmon_event_map[] = {

static const struct perf_event_map ultra3_perfmon_event_map[] = {

	[PERF_COUNT_HW_CPU_CYCLES] = { 0x0000, PIC_UPPER | PIC_LOWER },

	[PERF_COUNT_HW_INSTRUCTIONS] = { 0x0001, PIC_UPPER | PIC_LOWER },

	[PERF_COUNT_HW_CACHE_REFERENCES] = { 0x0009, PIC_LOWER },

	[PERF_COUNT_HW_CACHE_MISSES] = { 0x0009, PIC_UPPER },

};



static const struct perf_event_map *ultra3i_event_map(int event_id)

static const struct perf_event_map *ultra3_event_map(int event_id)

{

	return &ultra3i_perfmon_event_map[event_id];

	return &ultra3_perfmon_event_map[event_id];

}



static const cache_map_t ultra3i_cache_map = {

static const cache_map_t ultra3_cache_map = {

[C(L1D)] = {

	[C(OP_READ)] = {

		[C(RESULT_ACCESS)] = { 0x09, PIC_LOWER, },
@@ -190,10 +190,10 @@ static const cache_map_t ultra3i_cache_map = { 
},

};



static const struct sparc_pmu ultra3i_pmu = {

	.event_map	= ultra3i_event_map,

	.cache_map	= &ultra3i_cache_map,

	.max_events	= ARRAY_SIZE(ultra3i_perfmon_event_map),

static const struct sparc_pmu ultra3_pmu = {

	.event_map	= ultra3_event_map,

	.cache_map	= &ultra3_cache_map,

	.max_events	= ARRAY_SIZE(ultra3_perfmon_event_map),

	.upper_shift	= 11,

	.lower_shift	= 4,

	.event_mask	= 0x3f,
@@ -658,8 +658,11 @@ static __read_mostly struct notifier_block perf_event_nmi_notifier = { 


static bool __init supported_pmu(void)

{

	if (!strcmp(sparc_pmu_type, "ultra3i")) {

		sparc_pmu = &ultra3i_pmu;

	if (!strcmp(sparc_pmu_type, "ultra3") ||

	    !strcmp(sparc_pmu_type, "ultra3+") ||

	    !strcmp(sparc_pmu_type, "ultra3i") ||

	    !strcmp(sparc_pmu_type, "ultra4+")) {

		sparc_pmu = &ultra3_pmu;

		return true;

	}

	if (!strcmp(sparc_pmu_type, "niagara2")) {