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diff --git a/tracecmd/trace-hist.c b/tracecmd/trace-hist.c
index 384a7ff..e0e7c47 100644
--- a/tracecmd/trace-hist.c
+++ b/tracecmd/trace-hist.c
@@ -27,26 +27,26 @@ static int kernel_stack_type;
static int long_size;
-struct tep_format_field *common_type_field;
-struct tep_format_field *common_pid_field;
-struct tep_format_field *sched_wakeup_comm_field;
-struct tep_format_field *sched_wakeup_new_comm_field;
-struct tep_format_field *sched_wakeup_pid_field;
-struct tep_format_field *sched_wakeup_new_pid_field;
-struct tep_format_field *sched_switch_prev_field;
-struct tep_format_field *sched_switch_next_field;
-struct tep_format_field *sched_switch_prev_pid_field;
-struct tep_format_field *sched_switch_next_pid_field;
-struct tep_format_field *function_ip_field;
-struct tep_format_field *function_parent_ip_field;
-struct tep_format_field *function_graph_entry_func_field;
-struct tep_format_field *function_graph_entry_depth_field;
-struct tep_format_field *function_graph_exit_func_field;
-struct tep_format_field *function_graph_exit_depth_field;
-struct tep_format_field *function_graph_exit_calltime_field;
-struct tep_format_field *function_graph_exit_rettime_field;
-struct tep_format_field *function_graph_exit_overrun_field;
-struct tep_format_field *kernel_stack_caller_field;
+static struct tep_format_field *common_type_hist;
+static struct tep_format_field *common_pid_field;
+static struct tep_format_field *sched_wakeup_comm_field;
+static struct tep_format_field *sched_wakeup_new_comm_field;
+static struct tep_format_field *sched_wakeup_pid_field;
+static struct tep_format_field *sched_wakeup_new_pid_field;
+static struct tep_format_field *sched_switch_prev_field;
+static struct tep_format_field *sched_switch_next_field;
+static struct tep_format_field *sched_switch_prev_pid_field;
+static struct tep_format_field *sched_switch_next_pid_field;
+static struct tep_format_field *function_ip_field;
+static struct tep_format_field *function_parent_ip_field;
+static struct tep_format_field *function_graph_entry_func_field;
+static struct tep_format_field *function_graph_entry_depth_field;
+static struct tep_format_field *function_graph_exit_func_field;
+static struct tep_format_field *function_graph_exit_depth_field;
+static struct tep_format_field *function_graph_exit_calltime_field;
+static struct tep_format_field *function_graph_exit_rettime_field;
+static struct tep_format_field *function_graph_exit_overrun_field;
+static struct tep_format_field *kernel_stack_caller_field;
static int compact;
@@ -568,7 +568,7 @@ process_record(struct tep_handle *pevent, struct tep_record *record)
unsigned long long val;
int type;
- tep_read_number_field(common_type_field, record->data, &val);
+ tep_read_number_field(common_type_hist, record->data, &val);
type = val;
if (type == function_type)
@@ -956,8 +956,8 @@ static void do_trace_hist(struct tracecmd_input *handle)
long_size = tracecmd_long_size(handle);
- common_type_field = tep_find_common_field(event, "common_type");
- if (!common_type_field)
+ common_type_hist = tep_find_common_field(event, "common_type");
+ if (!common_type_hist)
die("Can't find a 'type' field?");
common_pid_field = tep_find_common_field(event, "common_pid");
diff --git a/tracecmd/trace-mem.c b/tracecmd/trace-mem.c
index 078a61b..630aeff 100644
--- a/tracecmd/trace-mem.c
+++ b/tracecmd/trace-mem.c
@@ -30,7 +30,7 @@ static int kmem_cache_alloc_type;
static int kmem_cache_alloc_node_type;
static int kmem_cache_free_type;
-struct tep_format_field *common_type_field;
+static struct tep_format_field *common_type_mem;
struct tep_format_field *kmalloc_callsite_field;
struct tep_format_field *kmalloc_bytes_req_field;
@@ -369,7 +369,7 @@ process_record(struct tep_handle *pevent, struct tep_record *record)
unsigned long long val;
int type;
- tep_read_number_field(common_type_field, record->data, &val);
+ tep_read_number_field(common_type_mem, record->data, &val);
type = val;
if (type == kmalloc_type)
@@ -490,8 +490,8 @@ static void do_trace_mem(struct tracecmd_input *handle)
ret = tep_data_type(pevent, record);
event = tep_find_event(pevent, ret);
- common_type_field = tep_find_common_field(event, "common_type");
- if (!common_type_field)
+ common_type_mem = tep_find_common_field(event, "common_type");
+ if (!common_type_mem)
die("Can't find a 'type' field?");
update_kmalloc(pevent);
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