First Level Interrupt Handling (FLIH) | Linux | Windows |
First-Level Interrupt Handler (#9, #10) | ISR | ISR |
prioritised First-Level Interrupt Handler (-, #122) | N | Y |
preemptive First-Level Interrupt Handler (-, #122) | N | Y |
interrupt priority levels (IPL) (#13, #14) | 1 | 32 |
Second Level Interrupt Handling (SLIH) | Linux | Windows |
Second-Level Interrupt Handler (#11, #12) | softIRQ/tasklet | DPC |
interrupt classes - "softIRQ types" (#163, #164) | 32 (4 used) | - |
prioritised Second-Level Interrupt Handler (SLIH) (-, #122) | Y | Y |
preemptive Second-Level Interrupt Handler (-, #122) | N | Y |
interrupt priority levels (IPL) (#161, #162) | 1 | 3 |
Interrupts (multiprocessor/multicore?) | Linux | Windows |
all CPUs - First-Level Interrupt Handler (FLIH) (#512, #512) | Y | Y |
all CPUs - Second-Level Interrupt Handler (SLIH) (#512 #11, #512 #11) | Y | Y |
Interrupt (enhancement) | Linux | Windows |
Adaptive Interrupt Coalescing (#167, #168) | Y | Y |
Hardware | Linux | Windows |
PIC | Y | Y |
APIC (LAPIC & I/O APIC) | Y | Y |
IPI | Y | Y |
Interrupt (performance) | Linux | Windows |
interrupt latency (average) (#155, #15610) | 11uS
5uS (custom) |
36uS10 |
interrupt latency (maximum) (#191, #19210) | 1000uS | 45000uS10 |
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Johnathon Weare © Johnny Weare 2009