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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869#!/bin/sh# SPDX-License-Identifier: GPL-2.0+## Runs the C-language litmus tests matching the specified criteria.# Generates the output for each .litmus file into a corresponding# .litmus.out file, and does not judge the result.## sh initlitmushist.sh## Run from the Linux kernel tools/memory-model directory.# See scripts/parseargs.sh for list of arguments.## This script can consume significant wallclock time and CPU, especially as# the value of --procs rises. On a four-core (eight hardware threads)# 2.5GHz x86 with a one-minute per-run timeout:## --procs wallclock CPU timeouts tests# 1 0m11.241s 0m1.086s 0 19# 2 1m12.598s 2m8.459s 2 393# 3 1m30.007s 6m2.479s 4 2291# 4 3m26.042s 18m5.139s 9 3217# 5 4m26.661s 23m54.128s 13 3784# 6 4m41.900s 26m4.721s 13 4352# 7 5m51.463s 35m50.868s 13 4626# 8 10m5.235s 68m43.672s 34 5117# 9 15m57.80s 105m58.101s 69 5156# 10 16m14.13s 103m35.009s 69 5165# 20 27m48.55s 198m3.286s 156 5269## Increasing the timeout on the 20-process run to five minutes increases# the runtime to about 90 minutes with the CPU time rising to about# 10 hours. On the other hand, it decreases the number of timeouts to 101.## Note that there are historical tests for which herd7 will fail# completely, for example, litmus/manual/atomic/C-unlock-wait-00.litmus# contains a call to spin_unlock_wait(), which no longer exists in either# the kernel or LKMM.
. scripts/parseargs.sh
T=/tmp/initlitmushist.sh.$$trap 'rm -rf $T' 0mkdir $T
if test -d litmusthen :else git clone https://github.com/paulmckrcu/litmus ( cd litmus; git checkout origin/master )fi
# Create any new directories that have appeared in the github litmus# repo since the last run.if test "$LKMM_DESTDIR" != "."then find litmus -type d -print | ( cd "$LKMM_DESTDIR"; sed -e 's/^/mkdir -p /' | sh )fi
# Create a list of the C-language litmus tests with no more than the# specified number of processes (per the --procs argument).find litmus -name '*.litmus' -print | mselect7 -arch C > $T/list-Cxargs < $T/list-C -r grep -L "^P${LKMM_PROCS}" > $T/list-C-short
scripts/runlitmushist.sh < $T/list-C-short
exit 0