perf core: Allow setting up max frame stack depth via sysctl

[mirror_ubuntu-zesty-kernel.git] / arch / mips / kernel / perf_event.c

diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c
index c1cf9c6c3f7705b9c50281d196633d91c8e788e5..5021c546ad07d3e28b7d0ac1969448c32b9a93e2 100644 (file)
--- a/arch/mips/kernel/perf_event.c
+++ b/arch/mips/kernel/perf_event.c
@@ -35,7 +35,7 @@ static void save_raw_perf_callchain(struct perf_callchain_entry *entry,
                addr = *sp++;
                if (__kernel_text_address(addr)) {
                        perf_callchain_store(entry, addr);
-                       if (entry->nr >= PERF_MAX_STACK_DEPTH)
+                       if (entry->nr >= sysctl_perf_event_max_stack)
                                break;
                }
        }
@@ -59,7 +59,7 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
        }
        do {
                perf_callchain_store(entry, pc);
-               if (entry->nr >= PERF_MAX_STACK_DEPTH)
+               if (entry->nr >= sysctl_perf_event_max_stack)
                        break;
                pc = unwind_stack(current, &sp, pc, &ra);
        } while (pc);