linux-kernel - [PATCH v4 4/6] torture: Make kvm-series.sh give run numbers and totals

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Message-Id: <20251229191358.693753-4-paulmck@kernel.org>
Date: Mon, 29 Dec 2025 11:13:56 -0800
From: "Paul E. McKenney" <paulmck@...nel.org>
To: rcu@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	kernel-team@...a.com,
	rostedt@...dmis.org,
	"Paul E. McKenney" <paulmck@...nel.org>
Subject: [PATCH v4 4/6] torture: Make kvm-series.sh give run numbers and totals

The kvm-series.sh script can easily be convinced to run on the order of
1,000 guest OSes, so some sort of progress indicator would be helpful.
This commit therefore updates the "Starting" output lines to read as in
the following example, adding the ("3 of 4"):

Starting TREE02/1.7e0ad1b49057 using 8 CPUs (4 of 4) Sat Nov 8 10:51:06 PM PST 2025

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/kvm-series.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-series.sh b/tools/testing/selftests/rcutorture/bin/kvm-series.sh
index 29a2cd64835fd..277988c3e4a20 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-series.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-series.sh
@@ -132,6 +132,8 @@ fi
 cpusused=0
 touch $T/successlistfile
 touch $T/faillistfile
+n2run="`wc -l $T/torunlist | awk '{ print $1; }'`"
+nrun=0
 
 # do_run_one_qemu ds resultsdir qemu_curout
 #
@@ -193,9 +195,10 @@ run_one_qemu () {
 	then
 		cleanup_qemu_batch "${batchncpus}"
 	fi
-	echo Starting ${config_sha1} using ${batchncpus} CPUs `date`
+	echo Starting ${config_sha1} using ${batchncpus} CPUs "($((nrun+1)) of ${n2run})" `date`
 	qemu_curout="${DS}/${config_sha1}/qemu-series"
 	do_run_one_qemu "$ds" "${config_sha1}" ${qemu_curout} &
+	nrun="$((nrun+1))"
 }
 
 # Re-ordering the runs will mess up the affinity chosen at build time
-- 
2.40.1