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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 08:47:44 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 08:47:44 -0700
commitbf61c8840efe60fd8f91446860b63338fb424158 (patch)
tree7a71832407a4f0d6346db773343f4c3ae2257b19 /arch/mips/kernel/perf_event_mipsxx.c
parent5846115b30f3a881e542c8bfde59a699c1c13740 (diff)
parent0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff)
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'arch/mips/kernel/perf_event_mipsxx.c')
-rw-r--r--arch/mips/kernel/perf_event_mipsxx.c116
1 files changed, 101 insertions, 15 deletions
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index a9b995dcf691..45f1ffcf1a4b 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -103,13 +103,13 @@ static struct mips_pmu mipspmu;
#define M_CONFIG1_PC (1 << 4)
-#define M_PERFCTL_EXL (1 << 0)
-#define M_PERFCTL_KERNEL (1 << 1)
-#define M_PERFCTL_SUPERVISOR (1 << 2)
-#define M_PERFCTL_USER (1 << 3)
-#define M_PERFCTL_INTERRUPT_ENABLE (1 << 4)
+#define M_PERFCTL_EXL (1 << 0)
+#define M_PERFCTL_KERNEL (1 << 1)
+#define M_PERFCTL_SUPERVISOR (1 << 2)
+#define M_PERFCTL_USER (1 << 3)
+#define M_PERFCTL_INTERRUPT_ENABLE (1 << 4)
#define M_PERFCTL_EVENT(event) (((event) & 0x3ff) << 5)
-#define M_PERFCTL_VPEID(vpe) ((vpe) << 16)
+#define M_PERFCTL_VPEID(vpe) ((vpe) << 16)
#ifdef CONFIG_CPU_BMIPS5000
#define M_PERFCTL_MT_EN(filter) 0
@@ -117,13 +117,13 @@ static struct mips_pmu mipspmu;
#define M_PERFCTL_MT_EN(filter) ((filter) << 20)
#endif /* CONFIG_CPU_BMIPS5000 */
-#define M_TC_EN_ALL M_PERFCTL_MT_EN(0)
-#define M_TC_EN_VPE M_PERFCTL_MT_EN(1)
-#define M_TC_EN_TC M_PERFCTL_MT_EN(2)
-#define M_PERFCTL_TCID(tcid) ((tcid) << 22)
-#define M_PERFCTL_WIDE (1 << 30)
-#define M_PERFCTL_MORE (1 << 31)
-#define M_PERFCTL_TC (1 << 30)
+#define M_TC_EN_ALL M_PERFCTL_MT_EN(0)
+#define M_TC_EN_VPE M_PERFCTL_MT_EN(1)
+#define M_TC_EN_TC M_PERFCTL_MT_EN(2)
+#define M_PERFCTL_TCID(tcid) ((tcid) << 22)
+#define M_PERFCTL_WIDE (1 << 30)
+#define M_PERFCTL_MORE (1 << 31)
+#define M_PERFCTL_TC (1 << 30)
#define M_PERFCTL_COUNT_EVENT_WHENEVER (M_PERFCTL_EXL | \
M_PERFCTL_KERNEL | \
@@ -827,7 +827,7 @@ static const struct mips_perf_event octeon_event_map[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = { 0x01, CNTR_ALL },
[PERF_COUNT_HW_INSTRUCTIONS] = { 0x03, CNTR_ALL },
[PERF_COUNT_HW_CACHE_REFERENCES] = { 0x2b, CNTR_ALL },
- [PERF_COUNT_HW_CACHE_MISSES] = { 0x2e, CNTR_ALL },
+ [PERF_COUNT_HW_CACHE_MISSES] = { 0x2e, CNTR_ALL },
[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x08, CNTR_ALL },
[PERF_COUNT_HW_BRANCH_MISSES] = { 0x09, CNTR_ALL },
[PERF_COUNT_HW_BUS_CYCLES] = { 0x25, CNTR_ALL },
@@ -840,6 +840,15 @@ static const struct mips_perf_event bmips5000_event_map
[PERF_COUNT_HW_BRANCH_MISSES] = { 0x02, CNTR_ODD, T },
};
+static const struct mips_perf_event xlp_event_map[PERF_COUNT_HW_MAX] = {
+ [PERF_COUNT_HW_CPU_CYCLES] = { 0x01, CNTR_ALL },
+ [PERF_COUNT_HW_INSTRUCTIONS] = { 0x18, CNTR_ALL }, /* PAPI_TOT_INS */
+ [PERF_COUNT_HW_CACHE_REFERENCES] = { 0x04, CNTR_ALL }, /* PAPI_L1_ICA */
+ [PERF_COUNT_HW_CACHE_MISSES] = { 0x07, CNTR_ALL }, /* PAPI_L1_ICM */
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x1b, CNTR_ALL }, /* PAPI_BR_CN */
+ [PERF_COUNT_HW_BRANCH_MISSES] = { 0x1c, CNTR_ALL }, /* PAPI_BR_MSP */
+};
+
/* 24K/34K/1004K cores can share the same cache event map. */
static const struct mips_perf_event mipsxxcore_cache_map
[PERF_COUNT_HW_CACHE_MAX]
@@ -1092,6 +1101,63 @@ static const struct mips_perf_event octeon_cache_map
},
};
+static const struct mips_perf_event xlp_cache_map
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+[C(L1D)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x31, CNTR_ALL }, /* PAPI_L1_DCR */
+ [C(RESULT_MISS)] = { 0x30, CNTR_ALL }, /* PAPI_L1_LDM */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = { 0x2f, CNTR_ALL }, /* PAPI_L1_DCW */
+ [C(RESULT_MISS)] = { 0x2e, CNTR_ALL }, /* PAPI_L1_STM */
+ },
+},
+[C(L1I)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x04, CNTR_ALL }, /* PAPI_L1_ICA */
+ [C(RESULT_MISS)] = { 0x07, CNTR_ALL }, /* PAPI_L1_ICM */
+ },
+},
+[C(LL)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x35, CNTR_ALL }, /* PAPI_L2_DCR */
+ [C(RESULT_MISS)] = { 0x37, CNTR_ALL }, /* PAPI_L2_LDM */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = { 0x34, CNTR_ALL }, /* PAPI_L2_DCA */
+ [C(RESULT_MISS)] = { 0x36, CNTR_ALL }, /* PAPI_L2_DCM */
+ },
+},
+[C(DTLB)] = {
+ /*
+ * Only general DTLB misses are counted use the same event for
+ * read and write.
+ */
+ [C(OP_READ)] = {
+ [C(RESULT_MISS)] = { 0x2d, CNTR_ALL }, /* PAPI_TLB_DM */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_MISS)] = { 0x2d, CNTR_ALL }, /* PAPI_TLB_DM */
+ },
+},
+[C(ITLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_MISS)] = { 0x08, CNTR_ALL }, /* PAPI_TLB_IM */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_MISS)] = { 0x08, CNTR_ALL }, /* PAPI_TLB_IM */
+ },
+},
+[C(BPU)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_MISS)] = { 0x25, CNTR_ALL },
+ },
+},
+};
+
#ifdef CONFIG_MIPS_MT_SMP
static void check_and_calc_range(struct perf_event *event,
const struct mips_perf_event *pev)
@@ -1305,7 +1371,7 @@ static irqreturn_t mipsxx_pmu_handle_irq(int irq, void *dev)
(b) == 25 || (b) == 39 || (r) == 44 || (r) == 174 || \
(r) == 176 || ((b) >= 50 && (b) <= 55) || \
((b) >= 64 && (b) <= 67))
-#define IS_RANGE_V_34K_EVENT(r) ((r) == 47)
+#define IS_RANGE_V_34K_EVENT(r) ((r) == 47)
#endif
/* 74K */
@@ -1444,6 +1510,20 @@ static const struct mips_perf_event *octeon_pmu_map_raw_event(u64 config)
return &raw_event;
}
+static const struct mips_perf_event *xlp_pmu_map_raw_event(u64 config)
+{
+ unsigned int raw_id = config & 0xff;
+
+ /* Only 1-63 are defined */
+ if ((raw_id < 0x01) || (raw_id > 0x3f))
+ return ERR_PTR(-EOPNOTSUPP);
+
+ raw_event.cntr_mask = CNTR_ALL;
+ raw_event.event_id = raw_id;
+
+ return &raw_event;
+}
+
static int __init
init_hw_perf_events(void)
{
@@ -1522,6 +1602,12 @@ init_hw_perf_events(void)
mipspmu.general_event_map = &bmips5000_event_map;
mipspmu.cache_event_map = &bmips5000_cache_map;
break;
+ case CPU_XLP:
+ mipspmu.name = "xlp";
+ mipspmu.general_event_map = &xlp_event_map;
+ mipspmu.cache_event_map = &xlp_cache_map;
+ mipspmu.map_raw_event = xlp_pmu_map_raw_event;
+ break;
default:
pr_cont("Either hardware does not support performance "
"counters, or not yet implemented.\n");