X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Fsnapshots%2Fust_test;h=24f43aec66033248973f737256f6802178cde5aa;hb=f33e65faf5e4ffa7d249f58bf6dbdaf2bcb28693;hp=e6a463bce0984abd3ae2bcb14e2cee0f903a63bd;hpb=fd2b5c0de05df73c04b4281f2a27f558a17d1edb;p=lttng-tools.git

diff --git a/tests/regression/tools/snapshots/ust_test b/tests/regression/tools/snapshots/ust_test
index e6a463bce..24f43aec6 100755
--- a/tests/regression/tools/snapshots/ust_test
+++ b/tests/regression/tools/snapshots/ust_test
@@ -298,14 +298,15 @@ function test_ust_local_snapshot_small_overwrite_buffers ()
 function test_ust_local_snapshot_max_size ()
 {
 	local possible_cpus
-	local online_cpus
+	local cpus_list
 	local subbuf_size
 	local subbuf_count
 	local snapshot_max_size
 	local channel_max_size_per_cpu
 
+	IFS=" " read -r -a cpus_list <<< "$(get_exposed_cpus_list)"
+
 	possible_cpus=$(get_possible_cpus_count)
-	online_cpus=$(conf_proc_count)
 	subbuf_size=$(getconf PAGE_SIZE)
 	subbuf_count=8
 	snapshot_max_size=$((subbuf_size*possible_cpus))
@@ -325,9 +326,10 @@ function test_ust_local_snapshot_max_size ()
 
 	# Fill all ring-buffers of the channel; assuming event size of at least one
 	# byte
-	for cpu in $(seq "$online_cpus");
+	for cpu in "${cpus_list[@]}";
 	do
-		taskset --cpu-list $((cpu-1)) "$TESTAPP_BIN" \
+		diag "setting affinity to $cpu"
+		taskset --cpu-list "$cpu" "$TESTAPP_BIN" \
 			--iter "$channel_max_size_per_cpu"
 	done
 	diag "Filled channel ring-buffers"