diff --git a/.azure-pipelines-templates/daily-matrix.yml b/.azure-pipelines-templates/daily-matrix.yml
index 497affa2349..6e110647d70 100644
--- a/.azure-pipelines-templates/daily-matrix.yml
+++ b/.azure-pipelines-templates/daily-matrix.yml
@@ -5,7 +5,7 @@ parameters:
       pool: ado-virtual-ccf-sub
     SGX:
       container: sgx
-      pool: ado-sgx-ccf-sub
+      pool: ado-sgx-ccf-sub-backup
     SNPCC:
       container: snp
       pool: ado-virtual-ccf-sub
diff --git a/.azure-pipelines-templates/matrix.yml b/.azure-pipelines-templates/matrix.yml
index 088908e352b..6b85bc2f7d8 100644
--- a/.azure-pipelines-templates/matrix.yml
+++ b/.azure-pipelines-templates/matrix.yml
@@ -11,7 +11,7 @@ parameters:
       pool: ado-virtual-ccf-sub
     SGX:
       container: sgx
-      pool: ado-sgx-ccf-sub
+      pool: ado-sgx-ccf-sub-backup
     SNPCC:
       container: snp
       pool: ado-virtual-ccf-sub
diff --git a/.azure-pipelines-templates/stress-matrix.yml b/.azure-pipelines-templates/stress-matrix.yml
index 017ec216516..5ab5c5bf59e 100644
--- a/.azure-pipelines-templates/stress-matrix.yml
+++ b/.azure-pipelines-templates/stress-matrix.yml
@@ -4,7 +4,7 @@ jobs:
       target: SGX
       env:
         container: sgx
-        pool: ado-sgx-ccf-sub
+        pool: ado-sgx-ccf-sub-backup
       cmake_args: "-DCOMPILE_TARGET=sgx"
       suffix: "StressTest"
       artifact_name: "StressTest"
diff --git a/tests/perf-system/submitter/submit.cpp b/tests/perf-system/submitter/submit.cpp
index 4c7d3bc223e..78d1b3dc10d 100644
--- a/tests/perf-system/submitter/submit.cpp
+++ b/tests/perf-system/submitter/submit.cpp
@@ -18,9 +18,8 @@
 #include <arrow/table.h>
 #include <parquet/arrow/reader.h>
 #include <parquet/arrow/writer.h>
-#include <sys/sysinfo.h>
-#include <time.h>
 #include <signal.h>
+#include <time.h>
 
 using namespace std;
 using namespace client;
@@ -314,7 +313,7 @@ int main(int argc, char** argv)
     {
       for (size_t ridx = read_reqs; ridx < requests_size; ridx++)
       {
-        clock_gettime(CLOCK_MONOTONIC, &start[ridx]);
+        clock_gettime(CLOCK_REALTIME, &start[ridx]);
         auto request = data_handler.request[ridx];
         connection->write({request.data(), request.size()});
         if (
@@ -322,7 +321,7 @@ int main(int argc, char** argv)
           ridx - read_reqs >= args.max_inflight_requests)
         {
           responses[read_reqs] = connection->read_response();
-          clock_gettime(CLOCK_MONOTONIC, &end[read_reqs]);
+          clock_gettime(CLOCK_REALTIME, &end[read_reqs]);
           read_reqs++;
         }
         if (ridx % 20000 == 0)
@@ -334,7 +333,7 @@ int main(int argc, char** argv)
       while (read_reqs < requests_size)
       {
         responses[read_reqs] = connection->read_response();
-        clock_gettime(CLOCK_MONOTONIC, &end[read_reqs]);
+        clock_gettime(CLOCK_REALTIME, &end[read_reqs]);
         read_reqs++;
       }
       connection.reset();
@@ -355,12 +354,6 @@ int main(int argc, char** argv)
 
   LOG_INFO_FMT("Finished Request Submission");
 
-  // Calculate boot time
-  struct sysinfo info;
-  sysinfo(&info);
-  const auto boot_time = time(NULL) - info.uptime;
-  const auto boot_time_us = boot_time * 1'000'000;
-
   for (size_t req = 0; req < requests_size; req++)
   {
     auto& response = responses[req];
@@ -378,9 +371,9 @@ int main(int argc, char** argv)
     data_handler.response_body.push_back(std::move(response.body));
 
     size_t send_time_us =
-      boot_time_us + start[req].tv_sec * 1'000'000 + start[req].tv_nsec / 1000;
+      start[req].tv_sec * 1'000'000 + start[req].tv_nsec / 1000;
     size_t response_time_us =
-      boot_time_us + end[req].tv_sec * 1'000'000 + end[req].tv_nsec / 1000;
+      end[req].tv_sec * 1'000'000 + end[req].tv_nsec / 1000;
     data_handler.send_time.push_back(send_time_us);
     data_handler.response_time.push_back(response_time_us);
   }