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| author | Quan Zhou <[email protected]> | 2025-06-13 07:53:38 +0000 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2025-07-28 16:58:25 +0000 |
| commit | 3b7270c76622893098532a94e787f8c127d5ed28 (patch) | |
| tree | d724a4bea3cd9c19d1d31a9312b339b91dcd1aec /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | RISC-V: KVM: Enable ring-based dirty memory tracking (diff) | |
| download | kernel-3b7270c76622893098532a94e787f8c127d5ed28.tar.gz kernel-3b7270c76622893098532a94e787f8c127d5ed28.zip | |
RISC-V: perf/kvm: Add reporting of interrupt events
For `perf kvm stat` on the RISC-V, in order to avoid the
occurrence of `UNKNOWN` event names, interrupts should be
reported in addition to exceptions.
testing without patch:
Event name Samples Sample% Time(ns)
--------------------------- -------- -------- ------------
STORE_GUEST_PAGE_FAULT 1496461 53.00% 889612544
UNKNOWN 887514 31.00% 272857968
LOAD_GUEST_PAGE_FAULT 305164 10.00% 189186331
VIRTUAL_INST_FAULT 70625 2.00% 134114260
SUPERVISOR_SYSCALL 32014 1.00% 58577110
INST_GUEST_PAGE_FAULT 1 0.00% 2545
testing with patch:
Event name Samples Sample% Time(ns)
--------------------------- -------- -------- ------------
IRQ_S_TIMER 211271 58.00% 738298680600
EXC_STORE_GUEST_PAGE_FAULT 111279 30.00% 130725914800
EXC_LOAD_GUEST_PAGE_FAULT 22039 6.00% 25441480600
EXC_VIRTUAL_INST_FAULT 8913 2.00% 21015381600
IRQ_VS_EXT 4748 1.00% 10155464300
IRQ_S_EXT 2802 0.00% 13288775800
IRQ_S_SOFT 1998 0.00% 4254129300
Signed-off-by: Quan Zhou <[email protected]>
Reviewed-by: Andrew Jones <[email protected]>
Link: https://lore.kernel.org/r/9693132df4d0f857b8be3a75750c36b40213fcc0.1726211632.git.zhouquan@iscas.ac.cn
Signed-off-by: Anup Patel <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
0 files changed, 0 insertions, 0 deletions