diff options
Diffstat (limited to 'include/trace')
-rw-r--r-- | include/trace/boot.h | 60 | ||||
-rw-r--r-- | include/trace/events/sched.h | 32 | ||||
-rw-r--r-- | include/trace/events/timer.h | 80 | ||||
-rw-r--r-- | include/trace/ftrace.h | 23 | ||||
-rw-r--r-- | include/trace/syscall.h | 1 |
5 files changed, 47 insertions, 149 deletions
diff --git a/include/trace/boot.h b/include/trace/boot.h deleted file mode 100644 index 088ea089e31d..000000000000 --- a/include/trace/boot.h +++ /dev/null @@ -1,60 +0,0 @@ -#ifndef _LINUX_TRACE_BOOT_H -#define _LINUX_TRACE_BOOT_H - -#include <linux/module.h> -#include <linux/kallsyms.h> -#include <linux/init.h> - -/* - * Structure which defines the trace of an initcall - * while it is called. - * You don't have to fill the func field since it is - * only used internally by the tracer. - */ -struct boot_trace_call { - pid_t caller; - char func[KSYM_SYMBOL_LEN]; -}; - -/* - * Structure which defines the trace of an initcall - * while it returns. - */ -struct boot_trace_ret { - char func[KSYM_SYMBOL_LEN]; - int result; - unsigned long long duration; /* nsecs */ -}; - -#ifdef CONFIG_BOOT_TRACER -/* Append the traces on the ring-buffer */ -extern void trace_boot_call(struct boot_trace_call *bt, initcall_t fn); -extern void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn); - -/* Tells the tracer that smp_pre_initcall is finished. - * So we can start the tracing - */ -extern void start_boot_trace(void); - -/* Resume the tracing of other necessary events - * such as sched switches - */ -extern void enable_boot_trace(void); - -/* Suspend this tracing. Actually, only sched_switches tracing have - * to be suspended. Initcalls doesn't need it.) - */ -extern void disable_boot_trace(void); -#else -static inline -void trace_boot_call(struct boot_trace_call *bt, initcall_t fn) { } - -static inline -void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn) { } - -static inline void start_boot_trace(void) { } -static inline void enable_boot_trace(void) { } -static inline void disable_boot_trace(void) { } -#endif /* CONFIG_BOOT_TRACER */ - -#endif /* __LINUX_TRACE_BOOT_H */ diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index b9e1dd6c6208..9208c92aeab5 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -50,31 +50,6 @@ TRACE_EVENT(sched_kthread_stop_ret, ); /* - * Tracepoint for waiting on task to unschedule: - */ -TRACE_EVENT(sched_wait_task, - - TP_PROTO(struct task_struct *p), - - TP_ARGS(p), - - TP_STRUCT__entry( - __array( char, comm, TASK_COMM_LEN ) - __field( pid_t, pid ) - __field( int, prio ) - ), - - TP_fast_assign( - memcpy(__entry->comm, p->comm, TASK_COMM_LEN); - __entry->pid = p->pid; - __entry->prio = p->prio; - ), - - TP_printk("comm=%s pid=%d prio=%d", - __entry->comm, __entry->pid, __entry->prio) -); - -/* * Tracepoint for waking up a task: */ DECLARE_EVENT_CLASS(sched_wakeup_template, @@ -240,6 +215,13 @@ DEFINE_EVENT(sched_process_template, sched_process_exit, TP_ARGS(p)); /* + * Tracepoint for waiting on task to unschedule: + */ +DEFINE_EVENT(sched_process_template, sched_wait_task, + TP_PROTO(struct task_struct *p), + TP_ARGS(p)); + +/* * Tracepoint for a waiting task: */ TRACE_EVENT(sched_process_wait, diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h index 9496b965d62a..c624126a9c8a 100644 --- a/include/trace/events/timer.h +++ b/include/trace/events/timer.h @@ -8,11 +8,7 @@ #include <linux/hrtimer.h> #include <linux/timer.h> -/** - * timer_init - called when the timer is initialized - * @timer: pointer to struct timer_list - */ -TRACE_EVENT(timer_init, +DECLARE_EVENT_CLASS(timer_class, TP_PROTO(struct timer_list *timer), @@ -30,6 +26,17 @@ TRACE_EVENT(timer_init, ); /** + * timer_init - called when the timer is initialized + * @timer: pointer to struct timer_list + */ +DEFINE_EVENT(timer_class, timer_init, + + TP_PROTO(struct timer_list *timer), + + TP_ARGS(timer) +); + +/** * timer_start - called when the timer is started * @timer: pointer to struct timer_list * @expires: the timers expiry time @@ -94,42 +101,22 @@ TRACE_EVENT(timer_expire_entry, * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might * be invalid. We solely track the pointer. */ -TRACE_EVENT(timer_expire_exit, +DEFINE_EVENT(timer_class, timer_expire_exit, TP_PROTO(struct timer_list *timer), - TP_ARGS(timer), - - TP_STRUCT__entry( - __field(void *, timer ) - ), - - TP_fast_assign( - __entry->timer = timer; - ), - - TP_printk("timer=%p", __entry->timer) + TP_ARGS(timer) ); /** * timer_cancel - called when the timer is canceled * @timer: pointer to struct timer_list */ -TRACE_EVENT(timer_cancel, +DEFINE_EVENT(timer_class, timer_cancel, TP_PROTO(struct timer_list *timer), - TP_ARGS(timer), - - TP_STRUCT__entry( - __field( void *, timer ) - ), - - TP_fast_assign( - __entry->timer = timer; - ), - - TP_printk("timer=%p", __entry->timer) + TP_ARGS(timer) ); /** @@ -224,14 +211,7 @@ TRACE_EVENT(hrtimer_expire_entry, (unsigned long long)ktime_to_ns((ktime_t) { .tv64 = __entry->now })) ); -/** - * hrtimer_expire_exit - called immediately after the hrtimer callback returns - * @timer: pointer to struct hrtimer - * - * When used in combination with the hrtimer_expire_entry tracepoint we can - * determine the runtime of the callback function. - */ -TRACE_EVENT(hrtimer_expire_exit, +DECLARE_EVENT_CLASS(hrtimer_class, TP_PROTO(struct hrtimer *hrtimer), @@ -249,24 +229,28 @@ TRACE_EVENT(hrtimer_expire_exit, ); /** - * hrtimer_cancel - called when the hrtimer is canceled - * @hrtimer: pointer to struct hrtimer + * hrtimer_expire_exit - called immediately after the hrtimer callback returns + * @timer: pointer to struct hrtimer + * + * When used in combination with the hrtimer_expire_entry tracepoint we can + * determine the runtime of the callback function. */ -TRACE_EVENT(hrtimer_cancel, +DEFINE_EVENT(hrtimer_class, hrtimer_expire_exit, TP_PROTO(struct hrtimer *hrtimer), - TP_ARGS(hrtimer), + TP_ARGS(hrtimer) +); - TP_STRUCT__entry( - __field( void *, hrtimer ) - ), +/** + * hrtimer_cancel - called when the hrtimer is canceled + * @hrtimer: pointer to struct hrtimer + */ +DEFINE_EVENT(hrtimer_class, hrtimer_cancel, - TP_fast_assign( - __entry->hrtimer = hrtimer; - ), + TP_PROTO(struct hrtimer *hrtimer), - TP_printk("hrtimer=%p", __entry->hrtimer) + TP_ARGS(hrtimer) ); /** diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 5a64905d7278..a9377c0083ad 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -75,15 +75,12 @@ #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) -#undef __cpparg -#define __cpparg(arg...) arg - /* Callbacks are meaningless to ftrace. */ #undef TRACE_EVENT_FN #define TRACE_EVENT_FN(name, proto, args, tstruct, \ assign, print, reg, unreg) \ - TRACE_EVENT(name, __cpparg(proto), __cpparg(args), \ - __cpparg(tstruct), __cpparg(assign), __cpparg(print)) \ + TRACE_EVENT(name, PARAMS(proto), PARAMS(args), \ + PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \ #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) @@ -145,7 +142,7 @@ * struct trace_seq *s = &iter->seq; * struct ftrace_raw_<call> *field; <-- defined in stage 1 * struct trace_entry *entry; - * struct trace_seq *p; + * struct trace_seq *p = &iter->tmp_seq; * int ret; * * entry = iter->ent; @@ -157,12 +154,10 @@ * * field = (typeof(field))entry; * - * p = &get_cpu_var(ftrace_event_seq); * trace_seq_init(p); * ret = trace_seq_printf(s, "%s: ", <call>); * if (ret) * ret = trace_seq_printf(s, <TP_printk> "\n"); - * put_cpu(); * if (!ret) * return TRACE_TYPE_PARTIAL_LINE; * @@ -216,7 +211,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ struct trace_seq *s = &iter->seq; \ struct ftrace_raw_##call *field; \ struct trace_entry *entry; \ - struct trace_seq *p; \ + struct trace_seq *p = &iter->tmp_seq; \ int ret; \ \ event = container_of(trace_event, struct ftrace_event_call, \ @@ -231,12 +226,10 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ \ field = (typeof(field))entry; \ \ - p = &get_cpu_var(ftrace_event_seq); \ trace_seq_init(p); \ ret = trace_seq_printf(s, "%s: ", event->name); \ if (ret) \ ret = trace_seq_printf(s, print); \ - put_cpu(); \ if (!ret) \ return TRACE_TYPE_PARTIAL_LINE; \ \ @@ -255,7 +248,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ struct trace_seq *s = &iter->seq; \ struct ftrace_raw_##template *field; \ struct trace_entry *entry; \ - struct trace_seq *p; \ + struct trace_seq *p = &iter->tmp_seq; \ int ret; \ \ entry = iter->ent; \ @@ -267,12 +260,10 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ \ field = (typeof(field))entry; \ \ - p = &get_cpu_var(ftrace_event_seq); \ trace_seq_init(p); \ ret = trace_seq_printf(s, "%s: ", #call); \ if (ret) \ ret = trace_seq_printf(s, print); \ - put_cpu(); \ if (!ret) \ return TRACE_TYPE_PARTIAL_LINE; \ \ @@ -439,6 +430,7 @@ static inline notrace int ftrace_get_offsets_##call( \ * .fields = LIST_HEAD_INIT(event_class_##call.fields), * .raw_init = trace_event_raw_init, * .probe = ftrace_raw_event_##call, + * .reg = ftrace_event_reg, * }; * * static struct ftrace_event_call __used @@ -567,6 +559,7 @@ static struct ftrace_event_class __used event_class_##call = { \ .fields = LIST_HEAD_INIT(event_class_##call.fields),\ .raw_init = trace_event_raw_init, \ .probe = ftrace_raw_event_##call, \ + .reg = ftrace_event_reg, \ _TRACE_PERF_INIT(call) \ }; @@ -705,7 +698,7 @@ perf_trace_##call(void *__data, proto) \ int __data_size; \ int rctx; \ \ - perf_fetch_caller_regs(&__regs, 1); \ + perf_fetch_caller_regs(&__regs); \ \ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \ __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\ diff --git a/include/trace/syscall.h b/include/trace/syscall.h index 257e08960d7b..31966a4fb8cc 100644 --- a/include/trace/syscall.h +++ b/include/trace/syscall.h @@ -26,7 +26,6 @@ struct syscall_metadata { const char **types; const char **args; struct list_head enter_fields; - struct list_head exit_fields; struct ftrace_event_call *enter_event; struct ftrace_event_call *exit_event; |