---

yaml
---
r: 205310
b: refs/heads/master
c: 5d55046
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 86a8c63f75a4582c44465e2bf71bc2df175cee77
+refs/heads/master: 5d550467b9770042e9699690907babc32104a8d4

trunk/kernel/trace/Kconfig

@@ -308,28 +308,6 @@ config BRANCH_TRACER
 
 	  Say N if unsure.
 
-config KSYM_TRACER
-	bool "Trace read and write access on kernel memory locations"
-	depends on HAVE_HW_BREAKPOINT
-	select TRACING
-	help
-	  This tracer helps find read and write operations on any given kernel
-	  symbol i.e. /proc/kallsyms.
-
-config PROFILE_KSYM_TRACER
-	bool "Profile all kernel memory accesses on 'watched' variables"
-	depends on KSYM_TRACER
-	help
-	  This tracer profiles kernel accesses on variables watched through the
-	  ksym tracer ftrace plugin. Depending upon the hardware, all read
-	  and write operations on kernel variables can be monitored for
-	  accesses.
-
-	  The results will be displayed in:
-	  /debugfs/tracing/profile_ksym
-
-	  Say N if unsure.
-
 config STACK_TRACER
 	bool "Trace max stack"
 	depends on HAVE_FUNCTION_TRACER

trunk/kernel/trace/Makefile

@@ -53,7 +53,6 @@ obj-$(CONFIG_EVENT_TRACING) += trace_event_perf.o
 endif
 obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o
 obj-$(CONFIG_KPROBE_EVENT) += trace_kprobe.o
-obj-$(CONFIG_KSYM_TRACER) += trace_ksym.o
 obj-$(CONFIG_EVENT_TRACING) += power-traces.o
 
 libftrace-y := ftrace.o

trunk/kernel/trace/trace.h

@@ -30,7 +30,6 @@ enum trace_type {
 	TRACE_GRAPH_ENT,
 	TRACE_USER_STACK,
 	TRACE_BLK,
-	TRACE_KSYM,
 
 	__TRACE_LAST_TYPE,
 };
@@ -200,7 +199,6 @@ extern void __ftrace_bad_type(void);
 			  TRACE_GRAPH_ENT);		\
 		IF_ASSIGN(var, ent, struct ftrace_graph_ret_entry,	\
 			  TRACE_GRAPH_RET);		\
-		IF_ASSIGN(var, ent, struct ksym_trace_entry, TRACE_KSYM);\
 		__ftrace_bad_type();					\
 	} while (0)
 
@@ -361,8 +359,6 @@ int register_tracer(struct tracer *type);
 void unregister_tracer(struct tracer *type);
 int is_tracing_stopped(void);
 
-extern int process_new_ksym_entry(char *ksymname, int op, unsigned long addr);
-
 extern unsigned long nsecs_to_usecs(unsigned long nsecs);
 
 extern unsigned long tracing_thresh;
@@ -436,8 +432,6 @@ extern int trace_selftest_startup_sysprof(struct tracer *trace,
 					       struct trace_array *tr);
 extern int trace_selftest_startup_branch(struct tracer *trace,
 					 struct trace_array *tr);
-extern int trace_selftest_startup_ksym(struct tracer *trace,
-					 struct trace_array *tr);
 #endif /* CONFIG_FTRACE_STARTUP_TEST */
 
 extern void *head_page(struct trace_array_cpu *data);

trunk/kernel/trace/trace_entries.h

@@ -291,18 +291,3 @@ FTRACE_ENTRY(branch, trace_branch,
 		 __entry->func, __entry->file, __entry->correct)
 );
 
-FTRACE_ENTRY(ksym_trace, ksym_trace_entry,
-
-	TRACE_KSYM,
-
-	F_STRUCT(
-		__field(	unsigned long,	ip			  )
-		__field(	unsigned char,	type			  )
-		__array(	char	     ,	cmd,	   TASK_COMM_LEN  )
-		__field(	unsigned long,  addr			  )
-	),
-
-	F_printk("ip: %pF type: %d ksym_name: %pS cmd: %s",
-		(void *)__entry->ip, (unsigned int)__entry->type,
-		(void *)__entry->addr,  __entry->cmd)
-);