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stall examples: use underscore instead of hyphen

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Ciro Santilli 六四事件 法轮功
2020-11-27 00:00:00 +00:00
parent 39073519b1
commit b1048d344c
3 changed files with 6 additions and 4 deletions
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README.adoc
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@@ -17688,9 +17688,10 @@ We can see here that:
[.....................fdn.pic......r.............................................]-( 120000) 0x004000fc.0 movz x19, #19, #0 [ 20]
....
====== gem5 event queue DerivO3CPU syscall emulation freestanding example analysis: stall-gain
[[gem5-event-queue-derivo3cpu-syscall-emulation-freestanding-example-analysis-stall-gain]]
====== gem5 event queue DerivO3CPU syscall emulation freestanding example analysis: stall_gain
Like <<gem5-event-queue-derivo3cpu-syscall-emulation-freestanding-example-analysis-stall>> but now with an LDR stall: link:userland/arch/aarch64/freestanding/linux/stall-gain.S[].
Like <<gem5-event-queue-derivo3cpu-syscall-emulation-freestanding-example-analysis-stall>> but now with an LDR stall: link:userland/arch/aarch64/freestanding/linux/stall_gain.S[].
So in this case we see that there were actual potential gains, since the `movz x11` started running immediately. We just stopped at `movz x20` because a new ifetch was needed.
@@ -17766,9 +17767,10 @@ Things are still relatively readable because the wrapping aligns them with event
But from this we kind of see the need for: <<gem5-konata-o3-pipeline-viewer>>.
====== gem5 event queue DerivO3CPU syscall emulation freestanding example analysis: stall-hazard4
[[gem5-event-queue-derivo3cpu-syscall-emulation-freestanding-example-analysis-stall-hazard4]]
====== gem5 event queue DerivO3CPU syscall emulation freestanding example analysis: stall_hazard4
Like <<gem5-event-queue-derivo3cpu-syscall-emulation-freestanding-example-analysis-stall-gain>> but now with some dependencies after the LDR: link:userland/arch/aarch64/freestanding/linux/stall-hazard4.S[].
Like <<gem5-event-queue-derivo3cpu-syscall-emulation-freestanding-example-analysis-stall-gain>> but now with some dependencies after the LDR: link:userland/arch/aarch64/freestanding/linux/stall_hazard4.S[].
So in this case the `ic` of dependencies like `add x6, x5, #1` have to wait until the LDR is finished:

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userland/arch/aarch64/freestanding/linux/stall-gain.S → userland/arch/aarch64/freestanding/linux/stall_gain.S
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userland/arch/aarch64/freestanding/linux/stall-hazard4.S → userland/arch/aarch64/freestanding/linux/stall_hazard4.S
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