linux-kernel - [PATCH rcu 06/13] torture: Compress KCSAN as well as KASAN vmlinux files

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220204235601.3438-6-paulmck@kernel.org>
Date:   Fri,  4 Feb 2022 15:55:54 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com,
        rostedt@...dmis.org, "Paul E. McKenney" <paulmck@...nel.org>
Subject: [PATCH rcu 06/13] torture: Compress KCSAN as well as KASAN vmlinux files

Compressing KASAN vmlinux files reduces torture.sh res file size from
about 100G to about 50G, which is good, but the KCSAN vmlinux files
are also large.  Compressing them reduces their size from about 700M to
about 100M (but of course your mileage may vary).  This commit therefore
compresses both KASAN and KCSAN vmlinux files.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 .../selftests/rcutorture/bin/torture.sh        | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh
index bddce72ea5ce4..a5f1c5fbefe4c 100755
--- a/tools/testing/selftests/rcutorture/bin/torture.sh
+++ b/tools/testing/selftests/rcutorture/bin/torture.sh
@@ -37,7 +37,7 @@ configs_scftorture=
 kcsan_kmake_args=
 
 # Default compression, duration, and apportionment.
-compress_kasan_vmlinux="`identify_qemu_vcpus`"
+compress_concurrency="`identify_qemu_vcpus`"
 duration_base=10
 duration_rcutorture_frac=7
 duration_locktorture_frac=1
@@ -67,7 +67,7 @@ function doyesno () {
 
 usage () {
 	echo "Usage: $scriptname optional arguments:"
-	echo "       --compress-kasan-vmlinux concurrency"
+	echo "       --compress-concurrency concurrency"
 	echo "       --configs-rcutorture \"config-file list w/ repeat factor (3*TINY01)\""
 	echo "       --configs-locktorture \"config-file list w/ repeat factor (10*LOCK01)\""
 	echo "       --configs-scftorture \"config-file list w/ repeat factor (2*CFLIST)\""
@@ -91,9 +91,9 @@ usage () {
 while test $# -gt 0
 do
 	case "$1" in
-	--compress-kasan-vmlinux)
-		checkarg --compress-kasan-vmlinux "(concurrency level)" $# "$2" '^[0-9][0-9]*$' '^error'
-		compress_kasan_vmlinux=$2
+	--compress-concurrency)
+		checkarg --compress-concurrency "(concurrency level)" $# "$2" '^[0-9][0-9]*$' '^error'
+		compress_concurrency=$2
 		shift
 		;;
 	--config-rcutorture|--configs-rcutorture)
@@ -435,11 +435,11 @@ then
 	echo "  All bugs were KCSAN failures."
 fi
 tdir="`cat $T/successes $T/failures | head -1 | awk '{ print $NF }' | sed -e 's,/[^/]\+/*$,,'`"
-if test -n "$tdir" && test $compress_kasan_vmlinux -gt 0
+if test -n "$tdir" && test $compress_concurrency -gt 0
 then
 	# KASAN vmlinux files can approach 1GB in size, so compress them.
-	echo Looking for KASAN files to compress: `date` > "$tdir/log-xz" 2>&1
-	find "$tdir" -type d -name '*-kasan' -print > $T/xz-todo
+	echo Looking for K[AC]SAN files to compress: `date` > "$tdir/log-xz" 2>&1
+	find "$tdir" -type d -name '*-k[ac]san' -print > $T/xz-todo
 	ncompresses=0
 	batchno=1
 	if test -s $T/xz-todo
@@ -457,7 +457,7 @@ then
 			do
 				xz "$j" >> "$tdir/log-xz" 2>&1 &
 				ncompresses=$((ncompresses+1))
-				if test $ncompresses -ge $compress_kasan_vmlinux
+				if test $ncompresses -ge $compress_concurrency
 				then
 					echo Waiting for batch $batchno of $ncompresses compressions `date` | tee -a "$tdir/log-xz" | tee -a $T/log
 					wait
-- 
2.31.1.189.g2e36527f23