rcutorture: Save kvm.sh output to log

This commit logs the progress text that kvm.sh outputs, improving
after-the-fact troubleshooting.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

1 files changed, 15 insertions, 7 deletions

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 48b27e9716ae..5a78cbf55f06 100644
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -297,7 +297,8 @@ awk < $T/cfgcpu.pack \
 # Dump out the scripting required to run one test batch.
 function dump(first, pastlast)
 {
-        print "echo ----Start batch: `date`"
+        print "echo ----Start batch: `date`";
+        print "echo ----Start batch: `date` >> " rd "/log";
         jn=1
         for (j = first; j < pastlast; j++) {
                 builddir=KVM "/b" jn
@@ -314,30 +315,37 @@ function dump(first, pastlast)
                 else
                         ovf = "";
                 print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`";
+                print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` >> " rd "/log";
                 print "rm -f " builddir ".*";
                 print "touch " builddir ".wait";
                 print "mkdir " builddir " > /dev/null 2>&1 || :";
                 print "mkdir " rd cfr[jn] " || :";
                 print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" RCU_QEMU_ARG "\" \"" RCU_BOOTARGS "\" > " rd cfr[jn]  "/kvm-test-1-run.sh.out 2>&1 &"
-                print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date`"
+                print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date`";
+                print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` >> " rd "/log";
                 print "while test -f " builddir ".wait"
                 print "do"
                 print "\tsleep 1"
                 print "done"
-                print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date`"
+                print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date`";
+                print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` >> " rd "/log";
                 jn++;
         }
         for (j = 1; j < jn; j++) {
                 builddir=KVM "/b" j
                 print "rm -f " builddir ".ready"
-                print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date`"
+                print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date`";
+                print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date` >> " rd "/log";
         }
         print "wait"
-        print "echo ---- All kernel runs complete. `date`"
+        print "echo ---- All kernel runs complete. `date`";
+        print "echo ---- All kernel runs complete. `date` >> " rd "/log";
         for (j = 1; j < jn; j++) {
                 builddir=KVM "/b" j
-                print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results:"
-                print "cat " rd cfr[j]  "/kvm-test-1-run.sh.out"
+                print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results:";
+                print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: >> " rd "/log";
+                print "cat " rd cfr[j]  "/kvm-test-1-run.sh.out";
+                print "cat " rd cfr[j]  "/kvm-test-1-run.sh.out >> " rd "/log";
         }
 }