1 files changed, 12 insertions, 0 deletions

diff --git a/include/asm-ia64/perfmon.h b/include/asm-ia64/perfmon.h
index 136c60e6bfcc..ed5416c5b1ac 100644
--- a/include/asm-ia64/perfmon.h
+++ b/include/asm-ia64/perfmon.h
@@ -254,6 +254,18 @@ extern int pfm_mod_write_dbrs(struct task_struct *task, void *req, unsigned int
 #define PFM_CPUINFO_DCR_PP      0x2     /* if set the system wide session has started */
 #define PFM_CPUINFO_EXCL_IDLE   0x4     /* the system wide session excludes the idle task */
 
+/*
+ * sysctl control structure. visible to sampling formats
+ */
+typedef struct {
+        int     debug;          /* turn on/off debugging via syslog */
+        int     debug_ovfl;     /* turn on/off debug printk in overflow handler */
+        int     fastctxsw;      /* turn on/off fast (unsecure) ctxsw */
+        int     expert_mode;    /* turn on/off value checking */
+} pfm_sysctl_t;
+extern pfm_sysctl_t pfm_sysctl;
+
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_IA64_PERFMON_H */