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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-12 02:15:38 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-12 02:15:38 (GMT) |
commit | d3f180ea1a44aecba1b0dab2a253428e77f906bf (patch) | |
tree | 0be6eaf1eb3fd32c934bd070a3d758696f417c93 /arch/powerpc/perf/hv-gpci.c | |
parent | 6b00f7efb5303418c231994c91fb8239f5ada260 (diff) | |
parent | a6130ed253a931d2169c26ab0958d81b0dce4d6e (diff) | |
download | linux-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.c | 23 |
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; |