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

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

diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 6596f66ce1126fa487b7ce8eec19ef17dc4912e7..a4b8b5aed21c7b0fa83b30c7f3783e5c109ccf61 100644 (file)
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1756,7 +1756,7 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
                        }
                }
 #endif
-       } while (entry->nr < PERF_MAX_STACK_DEPTH);
+       } while (entry->nr < sysctl_perf_event_max_stack);
 }
 
 static inline int
@@ -1790,7 +1790,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
                pc = sf.callers_pc;
                ufp = (unsigned long)sf.fp + STACK_BIAS;
                perf_callchain_store(entry, pc);
-       } while (entry->nr < PERF_MAX_STACK_DEPTH);
+       } while (entry->nr < sysctl_perf_event_max_stack);
 }
 
 static void perf_callchain_user_32(struct perf_callchain_entry *entry,
@@ -1822,7 +1822,7 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
                        ufp = (unsigned long)sf.fp;
                }
                perf_callchain_store(entry, pc);
-       } while (entry->nr < PERF_MAX_STACK_DEPTH);
+       } while (entry->nr < sysctl_perf_event_max_stack);
 }
 
 void