diff options
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/trace_kprobe.c | 48 | ||||
-rw-r--r-- | kernel/trace/trace_syscalls.c | 48 |
2 files changed, 16 insertions, 80 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 3afa716d6268..bdbae450c13e 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -929,20 +929,12 @@ __kprobe_trace_func(struct trace_kprobe *tk, struct pt_regs *regs, struct ring_buffer *buffer; int size, dsize, pc; unsigned long irq_flags; - unsigned long eflags; - enum event_trigger_type tt = ETT_NONE; struct ftrace_event_call *call = &tk->tp.call; WARN_ON(call != ftrace_file->event_call); - eflags = ftrace_file->flags; - - if (!(eflags & FTRACE_EVENT_FL_TRIGGER_COND)) { - if (eflags & FTRACE_EVENT_FL_TRIGGER_MODE) - event_triggers_call(ftrace_file, NULL); - if (eflags & FTRACE_EVENT_FL_SOFT_DISABLED) - return; - } + if (ftrace_trigger_soft_disabled(ftrace_file)) + return; local_save_flags(irq_flags); pc = preempt_count(); @@ -960,16 +952,8 @@ __kprobe_trace_func(struct trace_kprobe *tk, struct pt_regs *regs, entry->ip = (unsigned long)tk->rp.kp.addr; store_trace_args(sizeof(*entry), &tk->tp, regs, (u8 *)&entry[1], dsize); - if (eflags & FTRACE_EVENT_FL_TRIGGER_COND) - tt = event_triggers_call(ftrace_file, entry); - - if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT, &ftrace_file->flags)) - ring_buffer_discard_commit(buffer, event); - else if (!filter_check_discard(ftrace_file, entry, buffer, event)) - trace_buffer_unlock_commit_regs(buffer, event, - irq_flags, pc, regs); - if (tt) - event_triggers_post_call(ftrace_file, tt); + event_trigger_unlock_commit_regs(ftrace_file, buffer, event, + entry, irq_flags, pc, regs); } static __kprobes void @@ -992,20 +976,12 @@ __kretprobe_trace_func(struct trace_kprobe *tk, struct kretprobe_instance *ri, struct ring_buffer *buffer; int size, pc, dsize; unsigned long irq_flags; - unsigned long eflags; - enum event_trigger_type tt = ETT_NONE; struct ftrace_event_call *call = &tk->tp.call; WARN_ON(call != ftrace_file->event_call); - eflags = ftrace_file->flags; - - if (!(eflags & FTRACE_EVENT_FL_TRIGGER_COND)) { - if (eflags & FTRACE_EVENT_FL_TRIGGER_MODE) - event_triggers_call(ftrace_file, NULL); - if (eflags & FTRACE_EVENT_FL_SOFT_DISABLED) - return; - } + if (ftrace_trigger_soft_disabled(ftrace_file)) + return; local_save_flags(irq_flags); pc = preempt_count(); @@ -1024,16 +1000,8 @@ __kretprobe_trace_func(struct trace_kprobe *tk, struct kretprobe_instance *ri, entry->ret_ip = (unsigned long)ri->ret_addr; store_trace_args(sizeof(*entry), &tk->tp, regs, (u8 *)&entry[1], dsize); - if (eflags & FTRACE_EVENT_FL_TRIGGER_COND) - tt = event_triggers_call(ftrace_file, entry); - - if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT, &ftrace_file->flags)) - ring_buffer_discard_commit(buffer, event); - else if (!filter_check_discard(ftrace_file, entry, buffer, event)) - trace_buffer_unlock_commit_regs(buffer, event, - irq_flags, pc, regs); - if (tt) - event_triggers_post_call(ftrace_file, tt); + event_trigger_unlock_commit_regs(ftrace_file, buffer, event, + entry, irq_flags, pc, regs); } static __kprobes void diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index a4acf9bbffa7..759d5e004517 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -306,10 +306,8 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id) struct syscall_trace_enter *entry; struct syscall_metadata *sys_data; struct ring_buffer_event *event; - enum event_trigger_type tt = ETT_NONE; struct ring_buffer *buffer; unsigned long irq_flags; - unsigned long eflags; int pc; int syscall_nr; int size; @@ -323,14 +321,8 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id) if (!ftrace_file) return; - eflags = ftrace_file->flags; - - if (!(eflags & FTRACE_EVENT_FL_TRIGGER_COND)) { - if (eflags & FTRACE_EVENT_FL_TRIGGER_MODE) - event_triggers_call(ftrace_file, NULL); - if (eflags & FTRACE_EVENT_FL_SOFT_DISABLED) - return; - } + if (ftrace_trigger_soft_disabled(ftrace_file)) + return; sys_data = syscall_nr_to_meta(syscall_nr); if (!sys_data) @@ -351,16 +343,8 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id) entry->nr = syscall_nr; syscall_get_arguments(current, regs, 0, sys_data->nb_args, entry->args); - if (eflags & FTRACE_EVENT_FL_TRIGGER_COND) - tt = event_triggers_call(ftrace_file, entry); - - if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT, &ftrace_file->flags)) - ring_buffer_discard_commit(buffer, event); - else if (!filter_check_discard(ftrace_file, entry, buffer, event)) - trace_current_buffer_unlock_commit(buffer, event, - irq_flags, pc); - if (tt) - event_triggers_post_call(ftrace_file, tt); + event_trigger_unlock_commit(ftrace_file, buffer, event, entry, + irq_flags, pc); } static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret) @@ -370,10 +354,8 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret) struct syscall_trace_exit *entry; struct syscall_metadata *sys_data; struct ring_buffer_event *event; - enum event_trigger_type tt = ETT_NONE; struct ring_buffer *buffer; unsigned long irq_flags; - unsigned long eflags; int pc; int syscall_nr; @@ -386,14 +368,8 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret) if (!ftrace_file) return; - eflags = ftrace_file->flags; - - if (!(eflags & FTRACE_EVENT_FL_TRIGGER_COND)) { - if (eflags & FTRACE_EVENT_FL_TRIGGER_MODE) - event_triggers_call(ftrace_file, NULL); - if (eflags & FTRACE_EVENT_FL_SOFT_DISABLED) - return; - } + if (ftrace_trigger_soft_disabled(ftrace_file)) + return; sys_data = syscall_nr_to_meta(syscall_nr); if (!sys_data) @@ -413,16 +389,8 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret) entry->nr = syscall_nr; entry->ret = syscall_get_return_value(current, regs); - if (eflags & FTRACE_EVENT_FL_TRIGGER_COND) - tt = event_triggers_call(ftrace_file, entry); - - if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT, &ftrace_file->flags)) - ring_buffer_discard_commit(buffer, event); - else if (!filter_check_discard(ftrace_file, entry, buffer, event)) - trace_current_buffer_unlock_commit(buffer, event, - irq_flags, pc); - if (tt) - event_triggers_post_call(ftrace_file, tt); + event_trigger_unlock_commit(ftrace_file, buffer, event, entry, + irq_flags, pc); } static int reg_event_syscall_enter(struct ftrace_event_file *file, |