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Diffstat (limited to 'results/classifier/108/other/1978')
| -rw-r--r-- | results/classifier/108/other/1978 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/results/classifier/108/other/1978 b/results/classifier/108/other/1978 new file mode 100644 index 000000000..8d6398dff --- /dev/null +++ b/results/classifier/108/other/1978 @@ -0,0 +1,20 @@ +device: 0.855 +performance: 0.841 +other: 0.837 +files: 0.818 +vnc: 0.809 +graphic: 0.778 +network: 0.694 +socket: 0.635 +semantic: 0.524 +debug: 0.465 +permissions: 0.447 +boot: 0.385 +KVM: 0.146 +PID: 0.138 + +sifive_e : erroneous CLINT frequency +Description of problem: +CLINT's `mtime` updates at a clock frequency of [10 MHz](https://gitlab.com/qemu-project/qemu/-/blob/master/hw/riscv/sifive_e.c?ref_type=heads#L228), whereas [SiFive documentation](https://cdn.sparkfun.com/assets/7/f/0/2/7/fe310-g002-manual-v19p05.pdf?_gl=1*w2ieef*_ga*MTcyNDI2MjM0Ny4xNjk2ODcwNTM3*_ga_T369JS7J9N*MTY5Njg3MDUzNy4xLjAuMTY5Njg3MDUzNy42MC4wLjA.) shows that its clock frequency is 32.768 kHz (i.e., the RTC clock). + +This difference leads to unexpected timing behavior. Due to the difference, it can even trigger multiple nested interrupts as the IRQ routine is not able to return before a new timer interrupt is triggered. |