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riscv: perf: add guest vs host distinction
authorQuan Zhou <zhouquan@iscas.ac.cn>
Tue, 15 Oct 2024 02:58:24 +0000 (10:58 +0800)
committerAnup Patel <anup@brainfault.org>
Mon, 28 Oct 2024 11:11:12 +0000 (16:41 +0530)
commit5bb5ccb3e8d8dba29941cd78d5c1bcd27b227b4a
tree08df2f4c3044bc2b0d3ae182af9bfde458dcbe39tree
parent81983758430957d9a5cb3333fe324fd70cf63e7ecommit | diff
riscv: perf: add guest vs host distinction

Introduce basic guest support in perf, enabling it to distinguish
between PMU interrupts in the host or guest, and collect
fundamental information.

Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/a67d527dc1b11493fe11f7f53584772fdd983744.1728957131.git.zhouquan@iscas.ac.cn
Signed-off-by: Anup Patel <anup@brainfault.org>
arch/riscv/include/asm/perf_event.h diff | blob | history
arch/riscv/kernel/perf_callchain.c diff | blob | history
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