add analyze.sh script I have used a lot

Author: nikomatsakis

scripts/analyze.sh

@@ -0,0 +1,30 @@
+# Rough and dirty shell script to scrape the `log.rs` output and
+# analyze what kinds of tasks have been started and stopped. Very
+# useful in tracking down deadlocks.
+
+TICKLES=$(grep Tickle $1 | wc -l)
+
+INJECT_JOBS=$(grep InjectJobs $1 | wc -l)
+echo "Injected jobs:" $(((INJECT_JOBS * 2)))
+
+JOINS=$(grep Join $1 | wc -l)
+echo "Joins:        " $JOINS
+
+POPPED_RHS=$(grep PoppedRhs $1 | wc -l)
+POPPED_JOB=$(grep PoppedJob $1 | wc -l)
+POPPED_TOTAL=$((($POPPED_RHS + $POPPED_JOB)))
+echo "Popped jobs:  " $POPPED_TOTAL = rhs $POPPED_RHS + other $POPPED_JOB
+
+FOUND_WORK=$(grep FoundWork $1 | wc -l)
+echo "Found work:   " $FOUND_WORK
+
+STOLE_WORK=$(grep StoleWork $1 | wc -l)
+echo "Stole work:   " $STOLE_WORK
+
+UNINJECTED_WORK=$(grep UninjectedWork $1 | wc -l)
+echo "Uninjected:   " $UNINJECTED_WORK
+
+echo "Join balance: " $((( $JOINS - $POPPED_TOTAL - $STOLE_WORK  )))
+echo "Inj. balance: " $((( $INJECT_JOBS * 2 - $UNINJECTED_WORK )))
+echo "Total balance:" $((( $FOUND_WORK + $POPPED_TOTAL - $JOINS - $INJECT_JOBS * 2 )))
+