3rd-party/linux-kernel-module-cheat
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Summarize Linux cache attempts

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Ciro Santilli
2018-02-26 08:11:15 +00:00
parent 1b797928e1
commit 4519c63b01
1 changed files with 12 additions and 1 deletions
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README.adoc
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@@ -1696,7 +1696,17 @@ cat /sys/devices/system/cpu/cpu0/cache/index2/size
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Checking `level` is needed, for example `level0` and `level1` represented the same level on Linux 4.15. Checking `level` is needed, for example `level0` and `level1` represented the same level on Linux 4.15.
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TODO: check not working. `/sys` files don't exist, and `getconf` values empty. Ticket inbound. Related: TODO: check not working. Breakdown:
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** arm QEMU and GEM5, x86 GEM5: `/sys` files don't exist, and `getconf` values empty
** x86 QEMU: `/sys` files exist, but `getconf` values still empty
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We can also try to check simply by verifying if benchmarks are getting sped up by larger caches.
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Related:
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** http://gem5-users.gem5.narkive.com/4xVBlf3c/verify-cache-configuration ** http://gem5-users.gem5.narkive.com/4xVBlf3c/verify-cache-configuration
* Memory latency: TODO These look promising: * Memory latency: TODO These look promising:
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@@ -1734,6 +1744,7 @@ grep numCycles m5out/stats.txt
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TODO: why doesn't this exist: TODO: why doesn't this exist:
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ls /sys/devices/system/cpu/cpu0/cpufreq ls /sys/devices/system/cpu/cpu0/cpufreq
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