summaryrefslogtreecommitdiff
path: root/arch/powerpc/perf/hv-gpci.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 02:15:38 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 02:15:38 (GMT)
commitd3f180ea1a44aecba1b0dab2a253428e77f906bf (patch)
tree0be6eaf1eb3fd32c934bd070a3d758696f417c93 /arch/powerpc/perf/hv-gpci.c
parent6b00f7efb5303418c231994c91fb8239f5ada260 (diff)
parenta6130ed253a931d2169c26ab0958d81b0dce4d6e (diff)
downloadlinux-d3f180ea1a44aecba1b0dab2a253428e77f906bf.tar.xz
Merge tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc updates from Michael Ellerman: - Update of all defconfigs - Addition of a bunch of config options to modernise our defconfigs - Some PS3 updates from Geoff - Optimised memcmp for 64 bit from Anton - Fix for kprobes that allows 'perf probe' to work from Naveen - Several cxl updates from Ian & Ryan - Expanded support for the '24x7' PMU from Cody & Sukadev - Freescale updates from Scott: "Highlights include 8xx optimizations, some more work on datapath device tree content, e300 machine check support, t1040 corenet error reporting, and various cleanups and fixes" * tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (102 commits) cxl: Add missing return statement after handling AFU errror cxl: Fail AFU initialisation if an invalid configuration record is found cxl: Export optional AFU configuration record in sysfs powerpc/mm: Warn on flushing tlb page in kernel context powerpc/powernv: Add OPAL soft-poweroff routine powerpc/perf/hv-24x7: Document sysfs event description entries powerpc/perf/hv-gpci: add the remaining gpci requests powerpc/perf/{hv-gpci, hv-common}: generate requests with counters annotated powerpc/perf/hv-24x7: parse catalog and populate sysfs with events perf: define EVENT_DEFINE_RANGE_FORMAT_LITE helper perf: add PMU_EVENT_ATTR_STRING() helper perf: provide sysfs_show for struct perf_pmu_events_attr powerpc/kernel: Avoid initializing device-tree pointer twice powerpc: Remove old compile time disabled syscall tracing code powerpc/kernel: Make syscall_exit a local label cxl: Fix device_node reference counting powerpc/mm: bail out early when flushing TLB page powerpc: defconfigs: add MTD_SPI_NOR (new dependency for M25P80) perf/powerpc: reset event hw state when adding it to the PMU powerpc/qe: Use strlcpy() ...
Diffstat (limited to 'arch/powerpc/perf/hv-gpci.c')
-rw-r--r--arch/powerpc/perf/hv-gpci.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index a051fe9..856fe6e 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -31,7 +31,18 @@
/* u32 */
EVENT_DEFINE_RANGE_FORMAT(request, config, 0, 31);
/* u32 */
+/*
+ * Note that starting_index, phys_processor_idx, sibling_part_id,
+ * hw_chip_id, partition_id all refer to the same bit range. They
+ * are basically aliases for the starting_index. The specific alias
+ * used depends on the event. See REQUEST_IDX_KIND in hv-gpci-requests.h
+ */
EVENT_DEFINE_RANGE_FORMAT(starting_index, config, 32, 63);
+EVENT_DEFINE_RANGE_FORMAT_LITE(phys_processor_idx, config, 32, 63);
+EVENT_DEFINE_RANGE_FORMAT_LITE(sibling_part_id, config, 32, 63);
+EVENT_DEFINE_RANGE_FORMAT_LITE(hw_chip_id, config, 32, 63);
+EVENT_DEFINE_RANGE_FORMAT_LITE(partition_id, config, 32, 63);
+
/* u16 */
EVENT_DEFINE_RANGE_FORMAT(secondary_index, config1, 0, 15);
/* u8 */
@@ -44,6 +55,10 @@ EVENT_DEFINE_RANGE_FORMAT(offset, config1, 32, 63);
static struct attribute *format_attrs[] = {
&format_attr_request.attr,
&format_attr_starting_index.attr,
+ &format_attr_phys_processor_idx.attr,
+ &format_attr_sibling_part_id.attr,
+ &format_attr_hw_chip_id.attr,
+ &format_attr_partition_id.attr,
&format_attr_secondary_index.attr,
&format_attr_counter_info_version.attr,
@@ -57,6 +72,11 @@ static struct attribute_group format_group = {
.attrs = format_attrs,
};
+static struct attribute_group event_group = {
+ .name = "events",
+ .attrs = hv_gpci_event_attrs,
+};
+
#define HV_CAPS_ATTR(_name, _format) \
static ssize_t _name##_show(struct device *dev, \
struct device_attribute *attr, \
@@ -102,6 +122,7 @@ static struct attribute_group interface_group = {
static const struct attribute_group *attr_groups[] = {
&format_group,
+ &event_group,
&interface_group,
NULL,
};
@@ -265,6 +286,8 @@ static int hv_gpci_init(void)
unsigned long hret;
struct hv_perf_caps caps;
+ hv_gpci_assert_offsets_correct();
+
if (!firmware_has_feature(FW_FEATURE_LPAR)) {
pr_debug("not a virtualized system, not enabling\n");
return -ENODEV;