torture: Make kvm-series.sh give build numbers and totals

The kvm-series.sh script can easily be convinced to do on the order
of 1,000 builds, 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 ("2 of 4"):

Starting TREE01/1.7e0ad1b49057 (2 of 4) at Sat Nov 8 10:08:21 PM PST 2025

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-series.sh b/tools/testing/selftests/rcutorture/bin/kvm-series.sh
index 6729687861f27654ef965c097de9e0cd5f0e59aa..a00d2e96f6cc928b22848eb069fec5a22611eac6 100755 (executable)
--- a/tools/testing/selftests/rcutorture/bin/kvm-series.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-series.sh
@@ -32,6 +32,7 @@ then
        echo "$0: Repetition ('*') not allowed in config list."
        exit 1
 fi
+config_list_len="`echo ${config_list} | wc -w | awk '{ print $1; }'`"
 
 commit_list="${2}"
 if test -z "${commit_list}"
@@ -47,6 +48,7 @@ then
        exit 2
 fi
 sha1_list=`cat $T/commits`
+sha1_list_len="`echo ${sha1_list} | wc -w | awk '{ print $1; }'`"
 
 shift
 shift
@@ -80,6 +82,8 @@ echo " --- Results directory: " $ds | tee -a $T/log
 # turning preemption on and off.  Defer actual runs in order to run
 # lots of them concurrently on large systems.
 touch $T/torunlist
+n2build="$((config_list_len*sha1_list_len))"
+nbuilt=0
 for config in ${config_list}
 do
        sha_n=0
@@ -87,7 +91,7 @@ do
        do
                sha1=${sha_n}.${sha} # Enable "sort -k1nr" to list commits in order.
                echo
-               echo Starting ${config}/${sha1} at `date` | tee -a $T/log
+               echo Starting ${config}/${sha1} "($((nbuilt+1)) of ${n2build})" at `date` | tee -a $T/log
                git checkout --detach "${sha}"
                tools/testing/selftests/rcutorture/bin/kvm.sh --configs "$config" --datestamp "$ds/${config}/${sha1}" --duration 1 --build-only --trust-make "$@"
                curret=$?
@@ -115,6 +119,7 @@ do
                        ret=${curret}
                fi
                sha_n=$((sha_n+1))
+               nbuilt=$((nbuilt+1))
        done
 done