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-rw-r--r--arch/powerpc/perf/hv-24x7.c10
-rw-r--r--arch/powerpc/perf/hv-gpci.c10
-rw-r--r--arch/powerpc/perf/imc-pmu.c19
-rw-r--r--arch/powerpc/perf/perf_regs.c6
-rw-r--r--arch/powerpc/perf/power9-events-list.h24
-rw-r--r--arch/powerpc/perf/power9-pmu.c4
6 files changed, 37 insertions, 36 deletions
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 72238eedc360..d2b8e6061933 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -1306,15 +1306,6 @@ static int h_24x7_event_init(struct perf_event *event)
return -EINVAL;
}
- /* unsupported modes and filters */
- if (event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle ||
- event->attr.exclude_host ||
- event->attr.exclude_guest)
- return -EINVAL;
-
/* no branch sampling */
if (has_branch_stack(event))
return -EOPNOTSUPP;
@@ -1577,6 +1568,7 @@ static struct pmu h_24x7_pmu = {
.start_txn = h_24x7_event_start_txn,
.commit_txn = h_24x7_event_commit_txn,
.cancel_txn = h_24x7_event_cancel_txn,
+ .capabilities = PERF_PMU_CAP_NO_EXCLUDE,
};
static int hv_24x7_init(void)
diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index 43fabb3cae0f..735e77b09cdb 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -232,15 +232,6 @@ static int h_gpci_event_init(struct perf_event *event)
return -EINVAL;
}
- /* unsupported modes and filters */
- if (event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle ||
- event->attr.exclude_host ||
- event->attr.exclude_guest)
- return -EINVAL;
-
/* no branch sampling */
if (has_branch_stack(event))
return -EOPNOTSUPP;
@@ -285,6 +276,7 @@ static struct pmu h_gpci_pmu = {
.start = h_gpci_event_start,
.stop = h_gpci_event_stop,
.read = h_gpci_event_update,
+ .capabilities = PERF_PMU_CAP_NO_EXCLUDE,
};
static int hv_gpci_init(void)
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index f292a3f284f1..b1c37cc3fa98 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -473,15 +473,6 @@ static int nest_imc_event_init(struct perf_event *event)
if (event->hw.sample_period)
return -EINVAL;
- /* unsupported modes and filters */
- if (event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle ||
- event->attr.exclude_host ||
- event->attr.exclude_guest)
- return -EINVAL;
-
if (event->cpu < 0)
return -EINVAL;
@@ -748,15 +739,6 @@ static int core_imc_event_init(struct perf_event *event)
if (event->hw.sample_period)
return -EINVAL;
- /* unsupported modes and filters */
- if (event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle ||
- event->attr.exclude_host ||
- event->attr.exclude_guest)
- return -EINVAL;
-
if (event->cpu < 0)
return -EINVAL;
@@ -1069,6 +1051,7 @@ static int update_pmu_ops(struct imc_pmu *pmu)
pmu->pmu.stop = imc_event_stop;
pmu->pmu.read = imc_event_update;
pmu->pmu.attr_groups = pmu->attr_groups;
+ pmu->pmu.capabilities = PERF_PMU_CAP_NO_EXCLUDE;
pmu->attr_groups[IMC_FORMAT_ATTR] = &imc_format_group;
switch (pmu->domain) {
diff --git a/arch/powerpc/perf/perf_regs.c b/arch/powerpc/perf/perf_regs.c
index 5c36b3a8d47a..3349f3f8fe84 100644
--- a/arch/powerpc/perf/perf_regs.c
+++ b/arch/powerpc/perf/perf_regs.c
@@ -70,6 +70,7 @@ static unsigned int pt_regs_offset[PERF_REG_POWERPC_MAX] = {
PT_REGS_OFFSET(PERF_REG_POWERPC_DAR, dar),
PT_REGS_OFFSET(PERF_REG_POWERPC_DSISR, dsisr),
PT_REGS_OFFSET(PERF_REG_POWERPC_SIER, dar),
+ PT_REGS_OFFSET(PERF_REG_POWERPC_MMCRA, dsisr),
};
u64 perf_reg_value(struct pt_regs *regs, int idx)
@@ -83,6 +84,11 @@ u64 perf_reg_value(struct pt_regs *regs, int idx)
!is_sier_available()))
return 0;
+ if (idx == PERF_REG_POWERPC_MMCRA &&
+ (IS_ENABLED(CONFIG_FSL_EMB_PERF_EVENT) ||
+ IS_ENABLED(CONFIG_PPC32)))
+ return 0;
+
return regs_get_register(regs, pt_regs_offset[idx]);
}
diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h
index 7de344b7d9cc..063c9d9f2516 100644
--- a/arch/powerpc/perf/power9-events-list.h
+++ b/arch/powerpc/perf/power9-events-list.h
@@ -97,3 +97,27 @@ 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)
+
+/*
+ * Memory Access Events
+ *
+ * Primary PMU event used here is PM_MRK_INST_CMPL (0x401e0)
+ * To enable capturing of memory profiling, these MMCRA bits
+ * needs to be programmed and corresponding raw event format
+ * encoding.
+ *
+ * MMCRA bits encoding needed are
+ * SM (Sampling Mode)
+ * EM (Eligibility for Random Sampling)
+ * TECE (Threshold Event Counter Event)
+ * TS (Threshold Start Event)
+ * TE (Threshold End Event)
+ *
+ * Corresponding Raw Encoding bits:
+ * sample [EM,SM]
+ * thresh_sel (TECE)
+ * thresh start (TS)
+ * thresh end (TE)
+ */
+EVENT(MEM_LOADS, 0x34340401e0)
+EVENT(MEM_STORES, 0x343c0401e0)
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 0ff9c43733e9..030544e35959 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -160,6 +160,8 @@ GENERIC_EVENT_ATTR(branch-instructions, PM_BR_CMPL);
GENERIC_EVENT_ATTR(branch-misses, PM_BR_MPRED_CMPL);
GENERIC_EVENT_ATTR(cache-references, PM_LD_REF_L1);
GENERIC_EVENT_ATTR(cache-misses, PM_LD_MISS_L1_FIN);
+GENERIC_EVENT_ATTR(mem-loads, MEM_LOADS);
+GENERIC_EVENT_ATTR(mem-stores, MEM_STORES);
CACHE_EVENT_ATTR(L1-dcache-load-misses, PM_LD_MISS_L1_FIN);
CACHE_EVENT_ATTR(L1-dcache-loads, PM_LD_REF_L1);
@@ -185,6 +187,8 @@ static struct attribute *power9_events_attr[] = {
GENERIC_EVENT_PTR(PM_BR_MPRED_CMPL),
GENERIC_EVENT_PTR(PM_LD_REF_L1),
GENERIC_EVENT_PTR(PM_LD_MISS_L1_FIN),
+ GENERIC_EVENT_PTR(MEM_LOADS),
+ GENERIC_EVENT_PTR(MEM_STORES),
CACHE_EVENT_PTR(PM_LD_MISS_L1_FIN),
CACHE_EVENT_PTR(PM_LD_REF_L1),
CACHE_EVENT_PTR(PM_L1_PREF),