diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/rust/Makefile | 3 | ||||
| -rw-r--r-- | samples/rust/rust_print_events.c | 8 | ||||
| -rw-r--r-- | samples/rust/rust_print_main.rs (renamed from samples/rust/rust_print.rs) | 18 |
3 files changed, 29 insertions, 0 deletions
diff --git a/samples/rust/Makefile b/samples/rust/Makefile index 03086dabbea4..c1a5c1655395 100644 --- a/samples/rust/Makefile +++ b/samples/rust/Makefile @@ -1,6 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 +ccflags-y += -I$(src) # needed for trace events obj-$(CONFIG_SAMPLE_RUST_MINIMAL) += rust_minimal.o obj-$(CONFIG_SAMPLE_RUST_PRINT) += rust_print.o +rust_print-y := rust_print_main.o rust_print_events.o + subdir-$(CONFIG_SAMPLE_RUST_HOSTPROGS) += hostprogs diff --git a/samples/rust/rust_print_events.c b/samples/rust/rust_print_events.c new file mode 100644 index 000000000000..a9169ff0edf1 --- /dev/null +++ b/samples/rust/rust_print_events.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright 2024 Google LLC + */ + +#define CREATE_TRACE_POINTS +#define CREATE_RUST_TRACE_POINTS +#include <trace/events/rust_sample.h> diff --git a/samples/rust/rust_print.rs b/samples/rust/rust_print_main.rs index 6eabb0d79ea3..6d14b08cac1c 100644 --- a/samples/rust/rust_print.rs +++ b/samples/rust/rust_print_main.rs @@ -69,6 +69,8 @@ impl kernel::Module for RustPrint { arc_print()?; + trace::trace_rust_sample_loaded(42); + Ok(RustPrint) } } @@ -78,3 +80,19 @@ impl Drop for RustPrint { pr_info!("Rust printing macros sample (exit)\n"); } } + +mod trace { + use core::ffi::c_int; + + kernel::declare_trace! { + /// # Safety + /// + /// Always safe to call. + unsafe fn rust_sample_loaded(magic: c_int); + } + + pub(crate) fn trace_rust_sample_loaded(magic: i32) { + // SAFETY: Always safe to call. + unsafe { rust_sample_loaded(magic as c_int) } + } +} |