Tests: size-based rotation: implement a trace size cutoff protection

[lttng-tools.git] / tests / regression / tools / rotation / rotate_utils.sh

diff --git a/tests/regression/tools/rotation/rotate_utils.sh b/tests/regression/tools/rotation/rotate_utils.sh
index 0454b7ce3e8d421d97cf2e4c7c3271a1b24c1dd7..146f7e25cc529fa0023b6ecfbac5f485418f3fcb 100644 (file)
--- a/tests/regression/tools/rotation/rotate_utils.sh
+++ b/tests/regression/tools/rotation/rotate_utils.sh
@@ -144,3 +144,28 @@ function rotate_timer_test ()
        fi
        shopt -u extglob
 }
+
+function trace_until_n_archives ()
+{
+       local produce_events=$1
+       local trace_path=$2
+       local target_archive_count=$3
+       local trace_size_cutoff=$4
+       local archive_count=0
+       local trace_size=0
+
+       diag "Waiting for $target_archive_count size-based rotations to occur"
+       while [[ archive_count -lt $target_archive_count && $trace_size -lt $trace_size_cutoff ]]
+       do
+               archive_count=$(find "$trace_path" -mindepth 2 -maxdepth 2 -type d -path "*archives*" | wc -l)
+               trace_size=$(du -b "$trace_path" | tail -n1 | cut -f1)
+               $produce_events 2000
+       done
+
+       if [[ $trace_size -ge $trace_size_cutoff ]]; then
+               diag "Exceeded size cutoff of $trace_size_cutoff bytes while waiting for $target_archive_count rotations"
+       fi
+
+       [[ $archive_count -eq $target_archive_count ]]
+       ok $? "Found $target_archive_count trace archives resulting from trace archive rotations"
+}