trace_syscalls: Remove enter_id exit_id
use ->enter_event->id instead of ->enter_id use ->exit_event->id instead of ->exit_id Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: Jason Baron <jbaron@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <4B14D288.7030001@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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31c16b1334
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@ -168,7 +168,6 @@ static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused) \
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if (!id) \
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return -ENODEV; \
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event_enter_##sname.id = id; \
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set_syscall_enter_id(num, id); \
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INIT_LIST_HEAD(&event_enter_##sname.fields); \
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return 0; \
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} \
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@ -205,7 +204,6 @@ static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused) \
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if (!id) \
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return -ENODEV; \
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event_exit_##sname.id = id; \
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set_syscall_exit_id(num, id); \
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INIT_LIST_HEAD(&event_exit_##sname.fields); \
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return 0; \
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} \
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@ -15,8 +15,6 @@
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* @nb_args: number of parameters it takes
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* @types: list of types as strings
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* @args: list of args as strings (args[i] matches types[i])
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* @enter_id: associated ftrace enter event id
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* @exit_id: associated ftrace exit event id
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* @enter_event: associated syscall_enter trace event
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* @exit_event: associated syscall_exit trace event
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*/
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@ -25,8 +23,6 @@ struct syscall_metadata {
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int nb_args;
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const char **types;
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const char **args;
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int enter_id;
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int exit_id;
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struct ftrace_event_call *enter_event;
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struct ftrace_event_call *exit_event;
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@ -35,8 +31,6 @@ struct syscall_metadata {
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#ifdef CONFIG_FTRACE_SYSCALLS
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extern unsigned long arch_syscall_addr(int nr);
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extern int syscall_name_to_nr(const char *name);
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void set_syscall_enter_id(int num, int id);
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void set_syscall_exit_id(int num, int id);
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extern int syscall_enter_format(struct ftrace_event_call *call,
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struct trace_seq *s);
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@ -67,16 +67,6 @@ int syscall_name_to_nr(const char *name)
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return -1;
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}
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void set_syscall_enter_id(int num, int id)
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{
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syscalls_metadata[num]->enter_id = id;
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}
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void set_syscall_exit_id(int num, int id)
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{
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syscalls_metadata[num]->exit_id = id;
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}
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enum print_line_t
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print_syscall_enter(struct trace_iterator *iter, int flags)
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{
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@ -93,7 +83,7 @@ print_syscall_enter(struct trace_iterator *iter, int flags)
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if (!entry)
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goto end;
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if (entry->enter_id != ent->type) {
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if (entry->enter_event->id != ent->type) {
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WARN_ON_ONCE(1);
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goto end;
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}
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@ -148,7 +138,7 @@ print_syscall_exit(struct trace_iterator *iter, int flags)
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return TRACE_TYPE_HANDLED;
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}
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if (entry->exit_id != ent->type) {
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if (entry->exit_event->id != ent->type) {
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WARN_ON_ONCE(1);
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return TRACE_TYPE_UNHANDLED;
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}
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@ -302,8 +292,8 @@ void ftrace_syscall_enter(struct pt_regs *regs, long id)
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size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
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event = trace_current_buffer_lock_reserve(&buffer, sys_data->enter_id,
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size, 0, 0);
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event = trace_current_buffer_lock_reserve(&buffer,
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sys_data->enter_event->id, size, 0, 0);
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if (!event)
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return;
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@ -334,8 +324,8 @@ void ftrace_syscall_exit(struct pt_regs *regs, long ret)
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if (!sys_data)
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return;
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event = trace_current_buffer_lock_reserve(&buffer, sys_data->exit_id,
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sizeof(*entry), 0, 0);
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event = trace_current_buffer_lock_reserve(&buffer,
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sys_data->exit_event->id, sizeof(*entry), 0, 0);
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if (!event)
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return;
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@ -510,11 +500,11 @@ static void prof_syscall_enter(struct pt_regs *regs, long id)
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rec = (struct syscall_trace_enter *) raw_data;
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tracing_generic_entry_update(&rec->ent, 0, 0);
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rec->ent.type = sys_data->enter_id;
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rec->ent.type = sys_data->enter_event->id;
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rec->nr = syscall_nr;
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syscall_get_arguments(current, regs, 0, sys_data->nb_args,
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(unsigned long *)&rec->args);
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perf_tp_event(sys_data->enter_id, 0, 1, rec, size);
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perf_tp_event(sys_data->enter_event->id, 0, 1, rec, size);
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end:
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perf_swevent_put_recursion_context(rctx);
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@ -615,11 +605,11 @@ static void prof_syscall_exit(struct pt_regs *regs, long ret)
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rec = (struct syscall_trace_exit *)raw_data;
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tracing_generic_entry_update(&rec->ent, 0, 0);
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rec->ent.type = sys_data->exit_id;
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rec->ent.type = sys_data->exit_event->id;
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rec->nr = syscall_nr;
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rec->ret = syscall_get_return_value(current, regs);
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perf_tp_event(sys_data->exit_id, 0, 1, rec, size);
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perf_tp_event(sys_data->exit_event->id, 0, 1, rec, size);
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end:
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perf_swevent_put_recursion_context(rctx);
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