| Commit message (Collapse) | Author | Age |
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wip
wip
wip
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Adds <period> and <criticality level> parameters to benchmarks and
disables cache flushing when compiled with LITMUS. Also fixes build
with LITMUS enabled on yamaha.cs.unc.edu.
Also allows output to be disabled, automatically infers _rt_lock_id,
and allows for a specific pair ID for paired tasks. (The pair ID is
added to all the semaphore and shared memory names, allowing multiple
pairs to run in the system at a time.)
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- anagram: Fix two off-by-ones, the heap size, and the result
- rijndael_dec: Reset result checksum at job start
- huff_enc: Reset mutable global variables at job start
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This allows `run_bench.sh` to replace all previous general paired
benchmarking scripts. See `run_everything.sh` for an example of how
to use the new script.
This also fixes two critical bugs present in the old scripts:
1. The cpus_list was incorrectly set for resctrl when running
synchronous pair timing with L2+L3 isolation (i). Each write
to that file replaces the previous contents, and it was previously
written once for each core. This prevented the entire 1st core
from using any L3 cache.
2. The competing task list was indexed improperly in the asynchronous
pair timing script. This caused the competing task to always be
identical to the task being profiled.
These issues combine to imply that in the rejected RTSS'20 paper:
- All Level-C SMT timing data is suspect
- Level-A and -B SMT timing data with L2+L3 isolation (i) is
wildly optimistic
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Also move run_all_dis.sh up a directory in preperation for
further changes.
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- anagram, audiobeam: Reset heap in _init() function
- g723_enc: Don't use static local variables
- huff_dec: Reset all global state in _init() function
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No other changes.
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- Use consistent approach to prevent computations from being
optimized out in the DIS benchmarks
- Don't print results in the DIS benchmarks
- Fix a memory corruption in TACLe's "epic" benchmark reflect1()
- Fix return codes for all benchmarks
- Rename run_baseline.sh to run_bench.sh in preperation for this
being the main benchmarking script
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There was previously a huge amount of shared code that had to be
copied back and forth. This should reduce the maintenance burden
by containing all future changes to a single file.
New unified library is fully backwards-compatible but also
introduces and the easy-to-use `for_each_job` macro which
replaces the specific `for(...) START_LOOP ... STOP_LOOP`
format requirement and is generally much harder to abuse.
New unified library also automatically cleans up its shared memory
and semaphores, so this commit also removes the separate
`cleanupSemaphores` binary.
I also found a precursor of `extra.h` written by Sims in
`litmusStuff.h`. This code is only interesting for historical
purposes, so it is also removed in this commit.
This commit also adds debug options to all the Makefiles and
silences rm's complaints about non-existent files in make clean.
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New macro `for_each_job` simplifies instrumentation.
Backwards-compatible.
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Everything without isolation: run_tacle_rtss20.sh
For isolation you have to run the hodgepodge of scripts as before.
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- No parameter or output format changes
- Better error messages
- Auto-detect core
- Fix off-by-one error in job counting
- Explicitly invoke the scheduler with sched_yield() between jobs
so that there's less work to do when (if) the scheduling timer
interrupt comes around. (This has a surprisingly significant
impact on timings.)
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- Use malloc rather than static allocations
- Check that timings array is long enough before inserting each sample
- Include clearer error handling
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- Revert type change in Neighborhood microbenchmark
- Remove inputs modified to fix in the available memory on the
i.MX6DQ PRP test platform
- Change default configuration to build without LITMUS/MC^2/MMDC
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***This is the final commit which supports reproducing his
PRP results***
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- Remove unused parameters to extra.h
- Use floats to avoid integer overflow when timing long loops
- Only include litmus headers and/or MMDC headers if the appropriate
define is set in extra.h
- Update job parameters to match those used in my PRP experiments
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