kernel/arch/riscv/include/asm/trace.h, branch linux-rolling-stableHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-rolling-stable2024-09-12T09:13:12Zriscv: Add tracepoints for SBI calls and returns2024-09-12T09:13:12ZSamuel Hollandsamuel.holland@sifive.com2024-03-21T23:01:25Zurn:sha1:3445b6ccc792268119a9f415a51c9a21129205bf
[ Upstream commit 56c1c1a09ab93c7b7c957860f01f8600d6c03143 ]
These are useful for measuring the latency of SBI calls. The SBI HSM
extension is excluded because those functions are called from contexts
such as cpuidle where instrumentation is not allowed.
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240321230131.1838105-1-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Stable-dep-of: 1ff95eb2bebd ("riscv: Fix RISCV_ALTERNATIVE_EARLY")
Signed-off-by: Sasha Levin <sashal@kernel.org>