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Message-Id: <1343024611-4692-2-git-send-email-zheng.z.yan@intel.com>
Date: Mon, 23 Jul 2012 14:23:31 +0800
From: "Yan, Zheng" <zheng.z.yan@...el.com>
To: a.p.zijlstra@...llo.nl, eranian@...gle.com, mingo@...e.hu,
andi@...stfloor.org, linux-kernel@...r.kernel.org
Cc: "Yan, Zheng" <zheng.z.yan@...el.com>
Subject: [PATCH 2/4] perf/x86: Fix format definition of SNB-EP uncore QPI box
From: "Yan, Zheng" <zheng.z.yan@...el.com>
The event control register of SNB-EP uncore QPI box has a one bit
extension at bit position 21.
Reported-by: Stephane Eranian <eranian@...gle.com>
Signed-off-by: Yan, Zheng <zheng.z.yan@...el.com>
---
arch/x86/kernel/cpu/perf_event_intel_uncore.c | 23 ++++++++++++++++++++++-
arch/x86/kernel/cpu/perf_event_intel_uncore.h | 4 ++++
2 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index a5de59f..305e603 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -21,6 +21,7 @@ DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7");
DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15");
DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18");
DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19");
+DEFINE_UNCORE_FORMAT_ATTR(ev_sel_ext, ev_sel_ext, "config:21");
DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23");
DEFINE_UNCORE_FORMAT_ATTR(cmask5, cmask, "config:24-28");
DEFINE_UNCORE_FORMAT_ATTR(cmask8, cmask, "config:24-31");
@@ -279,6 +280,16 @@ static struct attribute *snbep_uncore_pcu_formats_attr[] = {
NULL,
};
+static struct attribute *snbep_uncore_qpi_formats_attr[] = {
+ &format_attr_event.attr,
+ &format_attr_umask.attr,
+ &format_attr_edge.attr,
+ &format_attr_ev_sel_ext.attr,
+ &format_attr_inv.attr,
+ &format_attr_thresh8.attr,
+ NULL,
+};
+
static struct uncore_event_desc snbep_uncore_imc_events[] = {
INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
INTEL_UNCORE_EVENT_DESC(cas_count_read, "event=0x04,umask=0x03"),
@@ -314,6 +325,11 @@ static struct attribute_group snbep_uncore_pcu_format_group = {
.attrs = snbep_uncore_pcu_formats_attr,
};
+static struct attribute_group snbep_uncore_qpi_format_group = {
+ .name = "format",
+ .attrs = snbep_uncore_qpi_formats_attr,
+};
+
static struct intel_uncore_ops snbep_uncore_msr_ops = {
.init_box = snbep_uncore_msr_init_box,
.disable_box = snbep_uncore_msr_disable_box,
@@ -485,8 +501,13 @@ static struct intel_uncore_type snbep_uncore_qpi = {
.num_counters = 4,
.num_boxes = 2,
.perf_ctr_bits = 48,
+ .perf_ctr = SNBEP_PCI_PMON_CTR0,
+ .event_ctl = SNBEP_PCI_PMON_CTL0,
+ .event_mask = SNBEP_QPI_PCI_PMON_RAW_EVENT_MASK,
+ .box_ctl = SNBEP_PCI_PMON_BOX_CTL,
+ .ops = &snbep_uncore_pci_ops,
.event_descs = snbep_uncore_qpi_events,
- SNBEP_UNCORE_PCI_COMMON_INIT(),
+ .format_group = &snbep_uncore_qpi_format_group,
};
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h
index b13e9ea..0f8a8ca 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h
@@ -115,6 +115,10 @@
SNBEP_PCU_MSR_PMON_CTL_OCC_INVERT | \
SNBEP_PCU_MSR_PMON_CTL_OCC_EDGE_DET)
+#define SNBEP_QPI_PCI_PMON_RAW_EVENT_MASK \
+ (SNBEP_PMON_RAW_EVENT_MASK | \
+ SNBEP_PMON_CTL_EV_SEL_EXT)
+
/* SNB-EP pci control register */
#define SNBEP_PCI_PMON_BOX_CTL 0xf4
#define SNBEP_PCI_PMON_CTL0 0xd8
--
1.7.10.4
--
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