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authorLai Jiangshan <laijs@cn.fujitsu.com>2009-12-01 03:23:36 -0500
committerIngo Molnar <mingo@elte.hu>2009-12-01 11:33:29 -0500
commitfcc19438dda38dacc8c144e2db3ebc6b9fd4f8b8 (patch)
tree0f82cd0ce19bc113e2ba631c14f2e8c04884d608 /kernel/trace
parent31c16b13349970b2684248c7d8608d2a96ae135d (diff)
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>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace_syscalls.c30
1 files changed, 10 insertions, 20 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 39649b1675dd..27eb18d69222 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -67,16 +67,6 @@ int syscall_name_to_nr(const char *name)
67 return -1; 67 return -1;
68} 68}
69 69
70void set_syscall_enter_id(int num, int id)
71{
72 syscalls_metadata[num]->enter_id = id;
73}
74
75void set_syscall_exit_id(int num, int id)
76{
77 syscalls_metadata[num]->exit_id = id;
78}
79
80enum print_line_t 70enum print_line_t
81print_syscall_enter(struct trace_iterator *iter, int flags) 71print_syscall_enter(struct trace_iterator *iter, int flags)
82{ 72{
@@ -93,7 +83,7 @@ print_syscall_enter(struct trace_iterator *iter, int flags)
93 if (!entry) 83 if (!entry)
94 goto end; 84 goto end;
95 85
96 if (entry->enter_id != ent->type) { 86 if (entry->enter_event->id != ent->type) {
97 WARN_ON_ONCE(1); 87 WARN_ON_ONCE(1);
98 goto end; 88 goto end;
99 } 89 }
@@ -148,7 +138,7 @@ print_syscall_exit(struct trace_iterator *iter, int flags)
148 return TRACE_TYPE_HANDLED; 138 return TRACE_TYPE_HANDLED;
149 } 139 }
150 140
151 if (entry->exit_id != ent->type) { 141 if (entry->exit_event->id != ent->type) {
152 WARN_ON_ONCE(1); 142 WARN_ON_ONCE(1);
153 return TRACE_TYPE_UNHANDLED; 143 return TRACE_TYPE_UNHANDLED;
154 } 144 }
@@ -302,8 +292,8 @@ void ftrace_syscall_enter(struct pt_regs *regs, long id)
302 292
303 size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args; 293 size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
304 294
305 event = trace_current_buffer_lock_reserve(&buffer, sys_data->enter_id, 295 event = trace_current_buffer_lock_reserve(&buffer,
306 size, 0, 0); 296 sys_data->enter_event->id, size, 0, 0);
307 if (!event) 297 if (!event)
308 return; 298 return;
309 299
@@ -334,8 +324,8 @@ void ftrace_syscall_exit(struct pt_regs *regs, long ret)
334 if (!sys_data) 324 if (!sys_data)
335 return; 325 return;
336 326
337 event = trace_current_buffer_lock_reserve(&buffer, sys_data->exit_id, 327 event = trace_current_buffer_lock_reserve(&buffer,
338 sizeof(*entry), 0, 0); 328 sys_data->exit_event->id, sizeof(*entry), 0, 0);
339 if (!event) 329 if (!event)
340 return; 330 return;
341 331
@@ -510,11 +500,11 @@ static void prof_syscall_enter(struct pt_regs *regs, long id)
510 500
511 rec = (struct syscall_trace_enter *) raw_data; 501 rec = (struct syscall_trace_enter *) raw_data;
512 tracing_generic_entry_update(&rec->ent, 0, 0); 502 tracing_generic_entry_update(&rec->ent, 0, 0);
513 rec->ent.type = sys_data->enter_id; 503 rec->ent.type = sys_data->enter_event->id;
514 rec->nr = syscall_nr; 504 rec->nr = syscall_nr;
515 syscall_get_arguments(current, regs, 0, sys_data->nb_args, 505 syscall_get_arguments(current, regs, 0, sys_data->nb_args,
516 (unsigned long *)&rec->args); 506 (unsigned long *)&rec->args);
517 perf_tp_event(sys_data->enter_id, 0, 1, rec, size); 507 perf_tp_event(sys_data->enter_event->id, 0, 1, rec, size);
518 508
519end: 509end:
520 perf_swevent_put_recursion_context(rctx); 510 perf_swevent_put_recursion_context(rctx);
@@ -615,11 +605,11 @@ static void prof_syscall_exit(struct pt_regs *regs, long ret)
615 rec = (struct syscall_trace_exit *)raw_data; 605 rec = (struct syscall_trace_exit *)raw_data;
616 606
617 tracing_generic_entry_update(&rec->ent, 0, 0); 607 tracing_generic_entry_update(&rec->ent, 0, 0);
618 rec->ent.type = sys_data->exit_id; 608 rec->ent.type = sys_data->exit_event->id;
619 rec->nr = syscall_nr; 609 rec->nr = syscall_nr;
620 rec->ret = syscall_get_return_value(current, regs); 610 rec->ret = syscall_get_return_value(current, regs);
621 611
622 perf_tp_event(sys_data->exit_id, 0, 1, rec, size); 612 perf_tp_event(sys_data->exit_event->id, 0, 1, rec, size);
623 613
624end: 614end:
625 perf_swevent_put_recursion_context(rctx); 615 perf_swevent_put_recursion_context(rctx);