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Commit 99793e3d authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge branches 'tracing/kmemtrace2' and 'tracing/ftrace' into tracing/urgent

parents 3e806802 a103e2ab

kernel/trace/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o 
obj-$(CONFIG_RING_BUFFER) += ring_buffer.o



obj-$(CONFIG_TRACING) += trace.o

obj-$(CONFIG_TRACING) += trace_output.o

obj-$(CONFIG_TRACING) += trace_stat.o

obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o

obj-$(CONFIG_SYSPROF_TRACER) += trace_sysprof.o

obj-$(CONFIG_FUNCTION_TRACER) += trace_functions.o

kernel/trace/trace.c

+41 −700

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kernel/trace/trace.h

+20 −16
Original line number Diff line number Diff line
@@ -17,7 +17,6 @@ enum trace_type { 
	TRACE_FN,

	TRACE_CTX,

	TRACE_WAKE,

	TRACE_CONT,

	TRACE_STACK,

	TRACE_PRINT,

	TRACE_SPECIAL,
@@ -34,7 +33,7 @@ enum trace_type { 
	TRACE_KMEM_FREE,

	TRACE_POWER,



	__TRACE_LAST_TYPE

	__TRACE_LAST_TYPE,

};



/*
@@ -199,7 +198,6 @@ struct kmemtrace_free_entry { 
 *  NEED_RESCED		- reschedule is requested

 *  HARDIRQ		- inside an interrupt handler

 *  SOFTIRQ		- inside a softirq handler

 *  CONT		- multiple entries hold the trace item

 */

enum trace_flag_type {

	TRACE_FLAG_IRQS_OFF		= 0x01,
@@ -207,7 +205,6 @@ enum trace_flag_type { 
	TRACE_FLAG_NEED_RESCHED		= 0x04,

	TRACE_FLAG_HARDIRQ		= 0x08,

	TRACE_FLAG_SOFTIRQ		= 0x10,

	TRACE_FLAG_CONT			= 0x20,

};



#define TRACE_BUF_SIZE		1024
@@ -283,7 +280,6 @@ extern void __ftrace_bad_type(void); 
	do {								\

		IF_ASSIGN(var, ent, struct ftrace_entry, TRACE_FN);	\

		IF_ASSIGN(var, ent, struct ctx_switch_entry, 0);	\

		IF_ASSIGN(var, ent, struct trace_field_cont, TRACE_CONT); \

		IF_ASSIGN(var, ent, struct stack_entry, TRACE_STACK);	\

		IF_ASSIGN(var, ent, struct userstack_entry, TRACE_USER_STACK);\

		IF_ASSIGN(var, ent, struct print_entry, TRACE_PRINT);	\
@@ -365,6 +361,21 @@ struct tracer { 
	struct tracer		*next;

	int			print_max;

	struct tracer_flags 	*flags;



	/*

	 * If you change one of the following on tracing runtime, recall

	 * init_tracer_stat()

	 */



	/* Iteration over statistic entries */

	void			*(*stat_start)(void);

	void			*(*stat_next)(void *prev, int idx);

	/* Compare two entries for sorting (optional) for stats */

	int			(*stat_cmp)(void *p1, void *p2);

	/* Print a stat entry */

	int			(*stat_show)(struct seq_file *s, void *p);

	/* Print the headers of your stat entries */

	int			(*stat_headers)(struct seq_file *s);

};



struct trace_seq {
@@ -450,6 +461,8 @@ void tracing_start_sched_switch_record(void); 
int register_tracer(struct tracer *type);

void unregister_tracer(struct tracer *type);



void init_tracer_stat(struct tracer *trace);



extern unsigned long nsecs_to_usecs(unsigned long nsecs);



extern unsigned long tracing_max_latency;
@@ -481,10 +494,10 @@ struct tracer_switch_ops { 
	void				*private;

	struct tracer_switch_ops	*next;

};



char *trace_find_cmdline(int pid);

#endif /* CONFIG_CONTEXT_SWITCH_TRACER */



extern char *trace_find_cmdline(int pid);



#ifdef CONFIG_DYNAMIC_FTRACE

extern unsigned long ftrace_update_tot_cnt;

#define DYN_FTRACE_TEST_NAME trace_selftest_dynamic_test_func
@@ -513,15 +526,6 @@ extern int trace_selftest_startup_branch(struct tracer *trace, 
#endif /* CONFIG_FTRACE_STARTUP_TEST */



extern void *head_page(struct trace_array_cpu *data);

extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);

extern void trace_seq_print_cont(struct trace_seq *s,

				 struct trace_iterator *iter);



extern int

seq_print_ip_sym(struct trace_seq *s, unsigned long ip,

		unsigned long sym_flags);

extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,

				 size_t cnt);

extern long ns2usecs(cycle_t nsec);

extern int

trace_vprintk(unsigned long ip, int depth, const char *fmt, va_list args);

kernel/trace/trace_boot.c

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/kallsyms.h>



#include "trace.h"

#include "trace_output.h"



static struct trace_array *boot_trace;

static bool pre_initcalls_finished;

kernel/trace/trace_branch.c

+182 −113

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