diff options
Diffstat (limited to 'kernel/trace/trace_eprobe.c')
-rw-r--r-- | kernel/trace/trace_eprobe.c | 54 |
1 files changed, 23 insertions, 31 deletions
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c index 928867f527e7..541aa13581b9 100644 --- a/kernel/trace/trace_eprobe.c +++ b/kernel/trace/trace_eprobe.c @@ -242,7 +242,6 @@ static int trace_eprobe_tp_arg_update(struct trace_eprobe *ep, int i) static int eprobe_event_define_fields(struct trace_event_call *event_call) { - int ret; struct eprobe_trace_entry_head field; struct trace_probe *tp; @@ -250,8 +249,6 @@ static int eprobe_event_define_fields(struct trace_event_call *event_call) if (WARN_ON_ONCE(!tp)) return -ENOENT; - DEFINE_FIELD(unsigned int, type, FIELD_STRING_TYPE, 0); - return traceprobe_define_arg_fields(event_call, sizeof(field), tp); } @@ -270,7 +267,9 @@ print_eprobe_event(struct trace_iterator *iter, int flags, struct trace_event_call *pevent; struct trace_event *probed_event; struct trace_seq *s = &iter->seq; + struct trace_eprobe *ep; struct trace_probe *tp; + unsigned int type; field = (struct eprobe_trace_entry_head *)iter->ent; tp = trace_probe_primary_from_call( @@ -278,15 +277,18 @@ print_eprobe_event(struct trace_iterator *iter, int flags, if (WARN_ON_ONCE(!tp)) goto out; + ep = container_of(tp, struct trace_eprobe, tp); + type = ep->event->event.type; + trace_seq_printf(s, "%s: (", trace_probe_name(tp)); - probed_event = ftrace_find_event(field->type); + probed_event = ftrace_find_event(type); if (probed_event) { pevent = container_of(probed_event, struct trace_event_call, event); trace_seq_printf(s, "%s.%s", pevent->class->system, trace_event_name(pevent)); } else { - trace_seq_printf(s, "%u", field->type); + trace_seq_printf(s, "%u", type); } trace_seq_putc(s, ')'); @@ -489,25 +491,15 @@ __eprobe_trace_func(struct eprobe_data *edata, void *rec) if (trace_trigger_soft_disabled(edata->file)) return; - fbuffer.trace_ctx = tracing_gen_ctx(); - fbuffer.trace_file = edata->file; - dsize = get_eprobe_size(&edata->ep->tp, rec); - fbuffer.regs = NULL; - - fbuffer.event = - trace_event_buffer_lock_reserve(&fbuffer.buffer, edata->file, - call->event.type, - sizeof(*entry) + edata->ep->tp.size + dsize, - fbuffer.trace_ctx); - if (!fbuffer.event) + + entry = trace_event_buffer_reserve(&fbuffer, edata->file, + sizeof(*entry) + edata->ep->tp.size + dsize); + + if (!entry) return; entry = fbuffer.entry = ring_buffer_event_data(fbuffer.event); - if (edata->ep->event) - entry->type = edata->ep->event->event.type; - else - entry->type = 0; store_trace_args(&entry[1], &edata->ep->tp, rec, sizeof(*entry), dsize); trace_event_buffer_commit(&fbuffer); @@ -549,29 +541,29 @@ static void eprobe_trigger_func(struct event_trigger_data *data, } static struct event_trigger_ops eprobe_trigger_ops = { - .func = eprobe_trigger_func, + .trigger = eprobe_trigger_func, .print = eprobe_trigger_print, .init = eprobe_trigger_init, .free = eprobe_trigger_free, }; -static int eprobe_trigger_cmd_func(struct event_command *cmd_ops, - struct trace_event_file *file, - char *glob, char *cmd, char *param) +static int eprobe_trigger_cmd_parse(struct event_command *cmd_ops, + struct trace_event_file *file, + char *glob, char *cmd, char *param) { return -1; } -static int eprobe_trigger_reg_func(char *glob, struct event_trigger_ops *ops, - struct event_trigger_data *data, - struct trace_event_file *file) +static int eprobe_trigger_reg_func(char *glob, + struct event_trigger_data *data, + struct trace_event_file *file) { return -1; } -static void eprobe_trigger_unreg_func(char *glob, struct event_trigger_ops *ops, - struct event_trigger_data *data, - struct trace_event_file *file) +static void eprobe_trigger_unreg_func(char *glob, + struct event_trigger_data *data, + struct trace_event_file *file) { } @@ -586,7 +578,7 @@ static struct event_command event_trigger_cmd = { .name = "eprobe", .trigger_type = ETT_EVENT_EPROBE, .flags = EVENT_CMD_FL_NEEDS_REC, - .func = eprobe_trigger_cmd_func, + .parse = eprobe_trigger_cmd_parse, .reg = eprobe_trigger_reg_func, .unreg = eprobe_trigger_unreg_func, .unreg_all = NULL, |