x86/oprofile: add CONFIG_OPROFILE_IBS option

Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Barry Kasindorf <barry.kasindorf@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 10 insertions, 0 deletions

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index e1782d2df09f..ed982273fb8b 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -328,6 +328,8 @@ static void add_trace_begin(void)
         add_event_entry(TRACE_BEGIN_CODE);
 }
 
+#ifdef CONFIG_OPROFILE_IBS
+
 #define IBS_FETCH_CODE_SIZE     2
 #define IBS_OP_CODE_SIZE        5
 #define IBS_EIP(offset)                         \
@@ -390,6 +392,8 @@ static void add_ibs_begin(struct oprofile_cpu_buffer *cpu_buf, int code,
         }
 }
 
+#endif
+
 static void add_sample_entry(unsigned long offset, unsigned long event)
 {
         add_event_entry(offset);
@@ -586,6 +590,7 @@ void sync_buffer(int cpu)
                         } else if (s->event == CPU_TRACE_BEGIN) {
                                 state = sb_bt_start;
                                 add_trace_begin();
+#ifdef CONFIG_OPROFILE_IBS
                         } else if (s->event == IBS_FETCH_BEGIN) {
                                 state = sb_bt_start;
                                 add_ibs_begin(cpu_buf,
@@ -594,6 +599,7 @@ void sync_buffer(int cpu)
                                 state = sb_bt_start;
                                 add_ibs_begin(cpu_buf,
                                         IBS_OP_CODE, in_kernel, mm);
+#endif
                         } else {
                                 struct mm_struct *oldmm = mm;
 
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index c9ac4e156918..aba905b3afb8 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -253,6 +253,8 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
         oprofile_add_ext_sample(pc, regs, event, is_kernel);
 }
 
+#ifdef CONFIG_OPROFILE_IBS
+
 #define MAX_IBS_SAMPLE_SIZE     14
 static int log_ibs_sample(struct oprofile_cpu_buffer *cpu_buf,
         unsigned long pc, int is_kernel, unsigned  int *ibs, int ibs_code)
@@ -318,6 +320,8 @@ void oprofile_add_ibs_sample(struct pt_regs *const regs,
                 oprofile_ops.backtrace(regs, backtrace_depth);
 }
 
+#endif
+
 void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event)
 {
         struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer);