Page MenuHomeFreeBSD
Files F153251430

D31109.id91981.diff
No OneTemporary
Actions

D31109.id91981.diff
View Options

Index: lib/libpmc/libpmc_pmu_util.c
===================================================================
--- lib/libpmc/libpmc_pmu_util.c
+++ lib/libpmc/libpmc_pmu_util.c
@@ -142,6 +142,13 @@
return (name);
}
+#elif defined(__powerpc64__)
+
+static const char *
+pmu_alias_get(const char *name)
+{
+ return (name);
+}
#elif defined(__aarch64__)
@@ -571,6 +578,32 @@
return (pmc_pmu_amd_pmcallocate(event_name, pm, &ped));
}
+#elif defined(__powerpc64__)
+
+int
+pmc_pmu_pmcallocate(const char *event_name, struct pmc_op_pmcallocate *pm)
+{
+ const struct pmu_event *pe;
+ struct pmu_event_desc ped;
+ int idx = -1;
+
+ bzero(&pm->pm_md, sizeof(pm->pm_md));
+ pm->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE);
+ event_name = pmu_alias_get(event_name);
+
+ if ((pe = pmu_event_get(NULL, event_name, &idx)) == NULL)
+ return (ENOENT);
+ if (pe->event == NULL)
+ return (ENOENT);
+ if (pmu_parse_event(&ped, pe->event))
+ return (ENOENT);
+
+ assert(ped.ped_event >= 0);
+ pm->pm_ev = ped.ped_event;
+ pm->pm_class = PMC_CLASS_POWER8;
+ return (0);
+}
+
#elif defined(__aarch64__)
int
Index: sys/dev/hwpmc/hwpmc_power8.c
===================================================================
--- sys/dev/hwpmc/hwpmc_power8.c
+++ sys/dev/hwpmc/hwpmc_power8.c
@@ -275,6 +275,34 @@
mtspr(SPR_MMCR0, mmcr0);
}
+static int
+power8_allocate_pmc(int cpu, int ri, struct pmc *pm,
+ const struct pmc_op_pmcallocate *a)
+{
+ uint32_t caps, config = 0;
+
+ KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
+ ("[powerpc,%d] illegal CPU value %d", __LINE__, cpu));
+ KASSERT(ri >= 0 && ri < ppc_max_pmcs,
+ ("[powerpc,%d] illegal row index %d", __LINE__, ri));
+
+ caps = a->pm_caps;
+ config = (0xFFFF & a->pm_ev);
+
+ if (caps & PMC_CAP_SYSTEM)
+ config |= POWERPC_PMC_KERNEL_ENABLE;
+ if (caps & PMC_CAP_USER)
+ config |= POWERPC_PMC_USER_ENABLE;
+ if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0)
+ config |= POWERPC_PMC_ENABLE;
+
+ pm->pm_md.pm_powerpc.pm_powerpc_evsel = config;
+
+ PMCDBG3(MDP,ALL,1,"powerpc-allocate cpu=%d ri=%d -> config=0x%x",
+ cpu, ri, config);
+ return (0);
+}
+
int
pmc_power8_initialize(struct pmc_mdep *pmc_mdep)
{
@@ -291,7 +319,7 @@
pcd->pcd_pcpu_init = power8_pcpu_init;
pcd->pcd_pcpu_fini = power8_pcpu_fini;
- pcd->pcd_allocate_pmc = powerpc_allocate_pmc;
+ pcd->pcd_allocate_pmc = power8_allocate_pmc;
pcd->pcd_release_pmc = powerpc_release_pmc;
pcd->pcd_start_pmc = powerpc_start_pmc;
pcd->pcd_stop_pmc = powerpc_stop_pmc;
@@ -304,10 +332,7 @@
pmc_mdep->pmd_npmc += POWER8_MAX_PMCS;
pmc_mdep->pmd_intr = powerpc_pmc_intr;
- ppc_event_codes = power8_event_codes;
ppc_event_codes_size = power8_event_codes_size;
- ppc_event_first = PMC_EV_POWER8_FIRST;
- ppc_event_last = PMC_EV_POWER8_LAST;
ppc_max_pmcs = POWER8_MAX_PMCS;
powerpc_set_pmc = power8_set_pmc;
Index: sys/dev/hwpmc/hwpmc_powerpc.c
===================================================================
--- sys/dev/hwpmc/hwpmc_powerpc.c
+++ sys/dev/hwpmc/hwpmc_powerpc.c
@@ -603,6 +603,9 @@
pmc_mdep = NULL;
}
+ /* Set the value for kern.hwpmc.cpuid */
+ snprintf(pmc_cpuid, sizeof(pmc_cpuid), "%08lx", mfpvr());
+
return (pmc_mdep);
}

File Metadata

Mime Type
text/plain
Expires
Tue, Apr 21, 2:00 AM (10 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
31879034
Default Alt Text
D31109.id91981.diff (3 KB)

Event Timeline