--- v9
+++ v11
@@ -125,7 +125,27 @@
[1] https://tracingsummit.org/ts/2022/hypervisortracing/
[2] https://lore.kernel.org/all/20240510140435.3550353-1-vdonnefort@google.com/
+changes since v10
+
+ - Move kerneldoc to .c files (Steven)
+ - Return EBUSY on buffer_size_kb write if buffer is loaded (Steven)
+ - Remove rb_iter/rb_iters union in trace_remote_iterator (Steven)
+ - Rename a refactor trace file seq_operations (Steven)
+ - Make trace_get_cpu() accessible to trace_remote.c (Steven)
+ - Remove unnecessary cpus_read_unlock() (Steven)
+ - !preempt on remote_test driver buffer writing (Steven)
+ - Do not fail selftest if cpu/online is unavailable (Steven)
+ - Add rational for trace_remote into documentation (Steven)
+
+changes since v9
+
+ - Add vCPU PID to hyp_enter/hyp_exit (Marc)
+ - Remove useless X1 setting for tracing HVCs (Marc)
+ - Fix REMOTE_PRINTK_COUNT_ARGS()
+ - Rebase on 6.19-rc7
+
Changes since v8
+
- Do not enable tracing if unstable cnvct (Marc)
- Add support for nVHE (Marc)
- Add PKVM_DISABLE_STAGE2_ON_PANIC (Marc)
@@ -135,6 +155,7 @@
- Add wrapper for arm_smccc_1_2, now used in nvhe/ffa.c
Changes since v7
+
- Add missing EXPORT_SYMBOL_GPL for remote_test.ko
- Rebase on 6.18-rc4
@@ -248,29 +269,30 @@
tracing: selftests: Add hypervisor trace remote tests
Documentation/trace/index.rst | 11 +
- Documentation/trace/remotes.rst | 59 +
+ Documentation/trace/remotes.rst | 66 +
arch/arm64/include/asm/kvm_asm.h | 8 +
arch/arm64/include/asm/kvm_define_hypevents.h | 16 +
+ arch/arm64/include/asm/kvm_host.h | 3 +
arch/arm64/include/asm/kvm_hyp.h | 4 +-
- arch/arm64/include/asm/kvm_hypevents.h | 56 +
+ arch/arm64/include/asm/kvm_hypevents.h | 60 +
arch/arm64/include/asm/kvm_hyptrace.h | 26 +
arch/arm64/kernel/image-vars.h | 4 +
arch/arm64/kernel/vmlinux.lds.S | 18 +
arch/arm64/kvm/Kconfig | 64 +-
arch/arm64/kvm/Makefile | 2 +
- arch/arm64/kvm/arm.c | 10 +-
+ arch/arm64/kvm/arm.c | 12 +-
arch/arm64/kvm/handle_exit.c | 2 +-
arch/arm64/kvm/hyp/include/nvhe/arm-smccc.h | 23 +
arch/arm64/kvm/hyp/include/nvhe/clock.h | 16 +
.../kvm/hyp/include/nvhe/define_events.h | 14 +
arch/arm64/kvm/hyp/include/nvhe/mem_protect.h | 2 -
- arch/arm64/kvm/hyp/include/nvhe/trace.h | 58 +
+ arch/arm64/kvm/hyp/include/nvhe/trace.h | 70 +
arch/arm64/kvm/hyp/nvhe/Makefile | 6 +-
arch/arm64/kvm/hyp/nvhe/clock.c | 65 +
arch/arm64/kvm/hyp/nvhe/events.c | 25 +
arch/arm64/kvm/hyp/nvhe/ffa.c | 28 +-
arch/arm64/kvm/hyp/nvhe/host.S | 2 +-
- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 91 +-
+ arch/arm64/kvm/hyp/nvhe/hyp-main.c | 87 +-
arch/arm64/kvm/hyp/nvhe/hyp.lds.S | 6 +
arch/arm64/kvm/hyp/nvhe/mm.c | 4 +-
arch/arm64/kvm/hyp/nvhe/psci-relay.c | 7 +-
@@ -278,26 +300,26 @@
arch/arm64/kvm/hyp/nvhe/stacktrace.c | 6 +-
arch/arm64/kvm/hyp/nvhe/switch.c | 5 +-
arch/arm64/kvm/hyp/nvhe/trace.c | 306 ++++
- arch/arm64/kvm/hyp_trace.c | 445 ++++++
+ arch/arm64/kvm/hyp_trace.c | 443 ++++++
arch/arm64/kvm/hyp_trace.h | 11 +
arch/arm64/kvm/stacktrace.c | 8 +-
fs/tracefs/inode.c | 1 +
include/linux/ring_buffer.h | 58 +
include/linux/ring_buffer_types.h | 41 +
- include/linux/simple_ring_buffer.h | 120 ++
- include/linux/trace_remote.h | 92 ++
+ include/linux/simple_ring_buffer.h | 65 +
+ include/linux/trace_remote.h | 49 +
include/linux/trace_remote_event.h | 33 +
include/trace/define_remote_events.h | 73 +
include/uapi/linux/trace_mmap.h | 8 +-
kernel/trace/Kconfig | 14 +
kernel/trace/Makefile | 20 +
- kernel/trace/remote_test.c | 259 ++++
+ kernel/trace/remote_test.c | 261 ++++
kernel/trace/remote_test_events.h | 10 +
kernel/trace/ring_buffer.c | 356 ++++-
- kernel/trace/simple_ring_buffer.c | 468 ++++++
- kernel/trace/trace.c | 2 +-
- kernel/trace/trace.h | 6 +
- kernel/trace/trace_remote.c | 1318 +++++++++++++++++
+ kernel/trace/simple_ring_buffer.c | 519 +++++++
+ kernel/trace/trace.c | 4 +-
+ kernel/trace/trace.h | 7 +
+ kernel/trace/trace_remote.c | 1371 +++++++++++++++++
.../ftrace/test.d/remotes/buffer_size.tc | 25 +
.../selftests/ftrace/test.d/remotes/functions | 88 ++
.../test.d/remotes/hypervisor/buffer_size.tc | 11 +
@@ -309,7 +331,7 @@
.../selftests/ftrace/test.d/remotes/trace.tc | 127 ++
.../ftrace/test.d/remotes/trace_pipe.tc | 127 ++
.../ftrace/test.d/remotes/unloading.tc | 41 +
- 62 files changed, 4725 insertions(+), 119 deletions(-)
+ 63 files changed, 4757 insertions(+), 120 deletions(-)
create mode 100644 Documentation/trace/remotes.rst
create mode 100644 arch/arm64/include/asm/kvm_define_hypevents.h
create mode 100644 arch/arm64/include/asm/kvm_hypevents.h
@@ -345,7 +367,7 @@
create mode 100644 tools/testing/selftests/ftrace/test.d/remotes/unloading.tc
-base-commit: 30f09200cc4aefbd8385b01e41bde2e4565a6f0e
+base-commit: 8dfce8991b95d8625d0a1d2896e42f93b9d7f68d
--
-2.52.0.107.ga0afd4fd5b-goog
-
+2.53.0.rc1.225.gd81095ad13-goog
+