3 files changed, 13 insertions, 9 deletions
diff --git a/test/perf/BUILD b/test/perf/BUILD
index 7a2bf10ed..0a0def6a3 100644
--- a/test/perf/BUILD
+++ b/test/perf/BUILD
@@ -29,7 +29,8 @@ syscall_test(
 )
 
 syscall_test(
-    size = "large",
+    size = "enormous",
+    tags = ["nogotsan"],
     test = "//test/perf/linux:getdents_benchmark",
 )
 
@@ -39,7 +40,8 @@ syscall_test(
 )
 
 syscall_test(
-    size = "large",
+    size = "enormous",
+    tags = ["nogotsan"],
     test = "//test/perf/linux:gettid_benchmark",
 )
 
@@ -87,7 +89,7 @@ syscall_test(
 )
 
 syscall_test(
-    size = "large",
+    size = "enormous",
     test = "//test/perf/linux:signal_benchmark",
 )
 
@@ -102,7 +104,7 @@ syscall_test(
 )
 
 syscall_test(
-    size = "large",
+    size = "enormous",
     add_overlay = True,
     test = "//test/perf/linux:unlink_benchmark",
 )
diff --git a/test/perf/linux/getdents_benchmark.cc b/test/perf/linux/getdents_benchmark.cc
index 0e03975b4..afc599ad2 100644
--- a/test/perf/linux/getdents_benchmark.cc
+++ b/test/perf/linux/getdents_benchmark.cc
@@ -141,7 +141,7 @@ void BM_GetdentsNewFD(benchmark::State& state) {
   state.SetItemsProcessed(state.iterations());
 }
 
-BENCHMARK(BM_GetdentsNewFD)->Range(1, 1 << 16)->UseRealTime();
+BENCHMARK(BM_GetdentsNewFD)->Range(1, 1 << 12)->UseRealTime();
 
 }  // namespace
 
diff --git a/test/perf/linux/signal_benchmark.cc b/test/perf/linux/signal_benchmark.cc
index a6928df58..cec679191 100644
--- a/test/perf/linux/signal_benchmark.cc
+++ b/test/perf/linux/signal_benchmark.cc
@@ -43,11 +43,13 @@ void BM_FaultSignalFixup(benchmark::State& state) {
 
   // Fault, fault, fault.
   for (auto _ : state) {
-    register volatile unsigned int* ptr asm("rax");
-
     // Trigger the segfault.
-    ptr = nullptr;
-    *ptr = 0;
+    asm volatile(
+        "movq $0, %%rax\n"
+        "movq $0x77777777, (%%rax)\n"
+        :
+        :
+        : "rax");
   }
 }