Hi, I hereby propose the LTTng kernel tracer for inclusion into the staging area of the Linux kernel. For those eager to try it out, and to get information about the features of this tracer, you should grab the control/consumer/viewer tools at: http://lttng.org/lttng2.0 Feedback is very welcome! Diffstat: MAINTAINERS | 7 drivers/staging/Kconfig | 2 drivers/staging/Makefile | 1 drivers/staging/lttng/ChangeLog | 75 drivers/staging/lttng/Kconfig | 35 drivers/staging/lttng/LICENSE | 27 drivers/staging/lttng/Makefile | 33 drivers/staging/lttng/README | 46 drivers/staging/lttng/gpl-2.0.txt | 339 + drivers/staging/lttng/instrumentation/events/README | 7 drivers/staging/lttng/instrumentation/events/lttng-module/block.h | 626 ++ drivers/staging/lttng/instrumentation/events/lttng-module/irq.h | 155 drivers/staging/lttng/instrumentation/events/lttng-module/kvm.h | 312 + drivers/staging/lttng/instrumentation/events/lttng-module/lttng.h | 34 drivers/staging/lttng/instrumentation/events/lttng-module/sched.h | 400 + drivers/staging/lttng/instrumentation/events/lttng-module/syscalls.h | 76 drivers/staging/lttng/instrumentation/events/mainline/block.h | 569 ++ drivers/staging/lttng/instrumentation/events/mainline/irq.h | 150 drivers/staging/lttng/instrumentation/events/mainline/kvm.h | 312 + drivers/staging/lttng/instrumentation/events/mainline/sched.h | 397 + drivers/staging/lttng/instrumentation/events/mainline/syscalls.h | 75 drivers/staging/lttng/instrumentation/syscalls/3.0.4/x86-64-syscalls-3.0.4 | 263 + drivers/staging/lttng/instrumentation/syscalls/3.1.0-rc6/x86-32-syscalls-3.1.0-rc6 | 291 + drivers/staging/lttng/instrumentation/syscalls/README | 18 drivers/staging/lttng/instrumentation/syscalls/headers/compat_syscalls_integers.h | 3 drivers/staging/lttng/instrumentation/syscalls/headers/compat_syscalls_pointers.h | 3 drivers/staging/lttng/instrumentation/syscalls/headers/syscalls_integers.h | 9 drivers/staging/lttng/instrumentation/syscalls/headers/syscalls_integers_override.h | 13 drivers/staging/lttng/instrumentation/syscalls/headers/syscalls_pointers.h | 9 drivers/staging/lttng/instrumentation/syscalls/headers/syscalls_unknown.h | 55 drivers/staging/lttng/instrumentation/syscalls/headers/x86-32-syscalls-3.1.0-rc6_integers.h | 1161 +++++ drivers/staging/lttng/instrumentation/syscalls/headers/x86-32-syscalls-3.1.0-rc6_integers_override.h | 38 drivers/staging/lttng/instrumentation/syscalls/headers/x86-32-syscalls-3.1.0-rc6_pointers.h | 2230 ++++++++++ drivers/staging/lttng/instrumentation/syscalls/headers/x86-32-syscalls-3.1.0-rc6_pointers_override.h | 17 drivers/staging/lttng/instrumentation/syscalls/headers/x86-64-syscalls-3.0.4_integers.h | 1011 ++++ drivers/staging/lttng/instrumentation/syscalls/headers/x86-64-syscalls-3.0.4_pointers.h | 2074 +++++++++ drivers/staging/lttng/instrumentation/syscalls/headers/x86-64-syscalls-3.0.4_pointers_override.h | 5 drivers/staging/lttng/instrumentation/syscalls/lttng-syscalls-extractor/Makefile | 1 drivers/staging/lttng/instrumentation/syscalls/lttng-syscalls-extractor/lttng-syscalls-extractor.c | 85 drivers/staging/lttng/instrumentation/syscalls/lttng-syscalls-generate-headers.sh | 272 + drivers/staging/lttng/lgpl-2.1.txt | 504 ++ drivers/staging/lttng/lib/Makefile | 11 drivers/staging/lttng/lib/align.h | 61 drivers/staging/lttng/lib/bitfield.h | 400 + drivers/staging/lttng/lib/bug.h | 29 drivers/staging/lttng/lib/ringbuffer/api.h | 25 drivers/staging/lttng/lib/ringbuffer/backend.h | 250 + drivers/staging/lttng/lib/ringbuffer/backend_internal.h | 449 ++ drivers/staging/lttng/lib/ringbuffer/backend_types.h | 80 drivers/staging/lttng/lib/ringbuffer/config.h | 298 + drivers/staging/lttng/lib/ringbuffer/frontend.h | 228 + drivers/staging/lttng/lib/ringbuffer/frontend_api.h | 358 + drivers/staging/lttng/lib/ringbuffer/frontend_internal.h | 424 + drivers/staging/lttng/lib/ringbuffer/frontend_types.h | 176 drivers/staging/lttng/lib/ringbuffer/iterator.h | 70 drivers/staging/lttng/lib/ringbuffer/nohz.h | 30 drivers/staging/lttng/lib/ringbuffer/ring_buffer_backend.c | 854 +++ drivers/staging/lttng/lib/ringbuffer/ring_buffer_frontend.c | 1721 +++++++ drivers/staging/lttng/lib/ringbuffer/ring_buffer_iterator.c | 798 +++ drivers/staging/lttng/lib/ringbuffer/ring_buffer_mmap.c | 115 drivers/staging/lttng/lib/ringbuffer/ring_buffer_splice.c | 202 drivers/staging/lttng/lib/ringbuffer/ring_buffer_vfs.c | 387 + drivers/staging/lttng/lib/ringbuffer/vatomic.h | 85 drivers/staging/lttng/lib/ringbuffer/vfs.h | 89 drivers/staging/lttng/ltt-context.c | 93 drivers/staging/lttng/ltt-debugfs-abi.c | 777 +++ drivers/staging/lttng/ltt-debugfs-abi.h | 153 drivers/staging/lttng/ltt-endian.h | 31 drivers/staging/lttng/ltt-events.c | 1009 ++++ drivers/staging/lttng/ltt-events.h | 452 ++ drivers/staging/lttng/ltt-probes.c | 164 drivers/staging/lttng/ltt-ring-buffer-client-discard.c | 21 drivers/staging/lttng/ltt-ring-buffer-client-mmap-discard.c | 21 drivers/staging/lttng/ltt-ring-buffer-client-mmap-overwrite.c | 21 drivers/staging/lttng/ltt-ring-buffer-client-overwrite.c | 21 drivers/staging/lttng/ltt-ring-buffer-client.h | 569 ++ drivers/staging/lttng/ltt-ring-buffer-metadata-client.c | 21 drivers/staging/lttng/ltt-ring-buffer-metadata-client.h | 330 + drivers/staging/lttng/ltt-ring-buffer-metadata-mmap-client.c | 21 drivers/staging/lttng/ltt-tracer-core.h | 28 drivers/staging/lttng/ltt-tracer.h | 67 drivers/staging/lttng/lttng-calibrate.c | 30 drivers/staging/lttng/lttng-context-nice.c | 68 drivers/staging/lttng/lttng-context-perf-counters.c | 271 + drivers/staging/lttng/lttng-context-pid.c | 68 drivers/staging/lttng/lttng-context-ppid.c | 71 drivers/staging/lttng/lttng-context-prio.c | 89 drivers/staging/lttng/lttng-context-procname.c | 72 drivers/staging/lttng/lttng-context-tid.c | 68 drivers/staging/lttng/lttng-context-vpid.c | 74 drivers/staging/lttng/lttng-context-vppid.c | 79 drivers/staging/lttng/lttng-context-vtid.c | 74 drivers/staging/lttng/lttng-syscalls.c | 437 + drivers/staging/lttng/probes/Makefile | 37 drivers/staging/lttng/probes/define_trace.h | 132 drivers/staging/lttng/probes/lttng-events-reset.h | 84 drivers/staging/lttng/probes/lttng-events.h | 703 +++ drivers/staging/lttng/probes/lttng-ftrace.c | 188 drivers/staging/lttng/probes/lttng-kprobes.c | 164 drivers/staging/lttng/probes/lttng-kretprobes.c | 277 + drivers/staging/lttng/probes/lttng-probe-block.c | 31 drivers/staging/lttng/probes/lttng-probe-irq.c | 31 drivers/staging/lttng/probes/lttng-probe-kvm.c | 31 drivers/staging/lttng/probes/lttng-probe-lttng.c | 24 drivers/staging/lttng/probes/lttng-probe-sched.c | 30 drivers/staging/lttng/probes/lttng-type-list.h | 21 drivers/staging/lttng/probes/lttng-types.c | 49 drivers/staging/lttng/probes/lttng-types.h | 72 drivers/staging/lttng/probes/lttng.h | 15 drivers/staging/lttng/wrapper/ftrace.h | 70 drivers/staging/lttng/wrapper/inline_memcpy.h | 11 drivers/staging/lttng/wrapper/kallsyms.h | 28 drivers/staging/lttng/wrapper/perf.h | 32 drivers/staging/lttng/wrapper/poll.h | 16 drivers/staging/lttng/wrapper/ringbuffer/api.h | 1 drivers/staging/lttng/wrapper/ringbuffer/backend.h | 1 drivers/staging/lttng/wrapper/ringbuffer/backend_internal.h | 2 drivers/staging/lttng/wrapper/ringbuffer/backend_types.h | 1 drivers/staging/lttng/wrapper/ringbuffer/config.h | 1 drivers/staging/lttng/wrapper/ringbuffer/frontend.h | 1 drivers/staging/lttng/wrapper/ringbuffer/frontend_api.h | 1 drivers/staging/lttng/wrapper/ringbuffer/frontend_internal.h | 1 drivers/staging/lttng/wrapper/ringbuffer/frontend_types.h | 1 drivers/staging/lttng/wrapper/ringbuffer/iterator.h | 1 drivers/staging/lttng/wrapper/ringbuffer/nohz.h | 1 drivers/staging/lttng/wrapper/ringbuffer/vatomic.h | 1 drivers/staging/lttng/wrapper/ringbuffer/vfs.h | 1 drivers/staging/lttng/wrapper/spinlock.h | 26 drivers/staging/lttng/wrapper/splice.c | 46 drivers/staging/lttng/wrapper/splice.h | 23 drivers/staging/lttng/wrapper/trace-clock.h | 77 drivers/staging/lttng/wrapper/uuid.h | 29 drivers/staging/lttng/wrapper/vmalloc.h | 49 133 files changed, 26390 insertions(+) Best regards, Mathieu 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