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-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index a9e22073bd56..1321cf8fa817 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1188,8 +1188,12 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
again:
intel_pmu_ack_status(status);
if (++loops > 100) {
- WARN_ONCE(1, "perfevents: irq loop stuck!\n");
- perf_event_print_debug();
+ static bool warned = false;
+ if (!warned) {
+ WARN(1, "perfevents: irq loop stuck!\n");
+ perf_event_print_debug();
+ warned = true;
+ }
intel_pmu_reset();
goto done;
}