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s390/irq: split irq stats for cpu-measurement alert facilities

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CPU-measurement alerts are generated for different CPU-measurement
facilities, for example, the sampling and counter facilities.
Split the irq stats according to available facilities.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Hendrik Brueckner 2012-05-09 16:27:40 +02:00 committed by Martin Schwidefsky
parent a341570315
commit 02456169e0
4 changed files with 6 additions and 4 deletions
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3
arch/s390/include/asm/irq.h
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@ -17,7 +17,8 @@ enum interruption_class {
EXTINT_VRT,
EXTINT_SCP,
EXTINT_IUC,
EXTINT_CPM,
EXTINT_CMS,
EXTINT_CMC,
IOINT_CIO,
IOINT_QAI,
IOINT_DAS,

3
arch/s390/kernel/irq.c
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@ -42,7 +42,8 @@ static const struct irq_class intrclass_names[] = {
{.name = "VRT", .desc = "[EXT] Virtio" },
{.name = "SCP", .desc = "[EXT] Service Call" },
{.name = "IUC", .desc = "[EXT] IUCV" },
{.name = "CPM", .desc = "[EXT] CPU Measurement" },
{.name = "CMS", .desc = "[EXT] CPU-Measurement: Sampling" },
{.name = "CMC", .desc = "[EXT] CPU-Measurement: Counter" },
{.name = "CIO", .desc = "[I/O] Common I/O Layer Interrupt" },
{.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt" },
{.name = "DAS", .desc = "[I/O] DASD" },

2
arch/s390/kernel/perf_cpum_cf.c
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@ -225,7 +225,7 @@ static void cpumf_measurement_alert(struct ext_code ext_code,
if (!(alert & CPU_MF_INT_CF_MASK))
return;
kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++;
kstat_cpu(smp_processor_id()).irqs[EXTINT_CMC]++;
cpuhw = &__get_cpu_var(cpu_hw_events);
/* Measurement alerts are shared and might happen when the PMU

2
arch/s390/oprofile/hwsampler.c
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@ -235,7 +235,7 @@ static void hws_ext_handler(struct ext_code ext_code,
if (!(param32 & CPU_MF_INT_SF_MASK))
return;
kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++;
kstat_cpu(smp_processor_id()).irqs[EXTINT_CMS]++;
atomic_xchg(&cb->ext_params, atomic_read(&cb->ext_params) | param32);
if (hws_wq)