Hi Peter and all,
Here's a new version of PT support patchset, this time including PT and
BTS drivers and a few more tweaks to the core. I still left out some bits
like core dump support for now. Tooling support is not included in this
series so that it's easier to review the kernel bits, I suppose it's best
to send it separately, since it's quite a huge patchset of its own.
Alexander Shishkin (22):
perf: Add data_{offset,size} to user_page
perf: Support high-order allocations for AUX space
perf: Add a capability for AUX_NO_SG pmus to do software double
buffering
perf: Add a pmu capability for "exclusive" events
perf: Redirect output from inherited events to parents
perf: Add api for pmus to write to AUX space
perf: Add AUX record
perf: Support overwrite mode for AUX area
perf: Add wakeup watermark control to AUX area
perf: Add itrace_config to the event attribute
perf: add ITRACE_START record to indicate that tracing has started
x86: Add Intel Processor Trace (INTEL_PT) cpu feature detection
x86: perf: Intel PT and LBR/BTS are mutually exclusive
x86: perf: intel_pt: Intel PT PMU driver
x86: perf: intel_bts: Add BTS PMU driver
perf: Add rb_{alloc,free}_kernel api
perf: Add a helper to copy AUX data in the kernel
perf: Add a helper for looking up pmus by type
perf: itrace: Infrastructure for sampling instruction flow traces
perf: Allocate ring buffers for inherited per-task kernel events
perf: itrace: Allow itrace sampling for multiple events
perf: itrace: Allow sampling of inherited events
Peter Zijlstra (1):
perf: Add AUX area to ring buffer for raw data streams
arch/x86/include/asm/cpufeature.h | 1 +
arch/x86/include/uapi/asm/msr-index.h | 18 +
arch/x86/kernel/cpu/Makefile | 1 +
arch/x86/kernel/cpu/intel_pt.h | 129 ++++
arch/x86/kernel/cpu/perf_event.h | 14 +
arch/x86/kernel/cpu/perf_event_intel.c | 14 +-
arch/x86/kernel/cpu/perf_event_intel_bts.c | 496 +++++++++++++++
arch/x86/kernel/cpu/perf_event_intel_ds.c | 11 +-
arch/x86/kernel/cpu/perf_event_intel_lbr.c | 9 +-
arch/x86/kernel/cpu/perf_event_intel_pt.c | 952 +++++++++++++++++++++++++++++
arch/x86/kernel/cpu/scattered.c | 1 +
include/linux/itrace.h | 45 ++
include/linux/perf_event.h | 61 +-
include/uapi/linux/perf_event.h | 69 ++-
kernel/events/Makefile | 2 +-
kernel/events/core.c | 348 +++++++++--
kernel/events/internal.h | 54 ++
kernel/events/itrace.c | 234 +++++++
kernel/events/ring_buffer.c | 313 +++++++++-
19 files changed, 2724 insertions(+), 48 deletions(-)
create mode 100644 arch/x86/kernel/cpu/intel_pt.h
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_bts.c
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_pt.c
create mode 100644 include/linux/itrace.h
create mode 100644 kernel/events/itrace.c
--
2.1.0.rc1
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