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-rw-r--r--include/linux/sched.h2
-rw-r--r--kernel/trace/trace_output.c21
-rw-r--r--kernel/trace/trace_sched_wakeup.c8
3 files changed, 10 insertions, 21 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index a2fe636b6825..bc7807933415 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -83,8 +83,6 @@ struct task_group;
83#define TASK_NEW 0x0800 83#define TASK_NEW 0x0800
84#define TASK_STATE_MAX 0x1000 84#define TASK_STATE_MAX 0x1000
85 85
86#define TASK_STATE_TO_CHAR_STR "RSDTtXZxKWPNn"
87
88/* Convenience macros for the sake of set_current_state: */ 86/* Convenience macros for the sake of set_current_state: */
89#define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE) 87#define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)
90#define TASK_STOPPED (TASK_WAKEKILL | __TASK_STOPPED) 88#define TASK_STOPPED (TASK_WAKEKILL | __TASK_STOPPED)
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index bac629af2285..c738e764e2a5 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -656,15 +656,6 @@ int trace_print_lat_context(struct trace_iterator *iter)
656 return !trace_seq_has_overflowed(s); 656 return !trace_seq_has_overflowed(s);
657} 657}
658 658
659static const char state_to_char[] = TASK_STATE_TO_CHAR_STR;
660
661static int task_state_char(unsigned long state)
662{
663 int bit = state ? __ffs(state) + 1 : 0;
664
665 return bit < sizeof(state_to_char) - 1 ? state_to_char[bit] : '?';
666}
667
668/** 659/**
669 * ftrace_find_event - find a registered event 660 * ftrace_find_event - find a registered event
670 * @type: the type of event to look for 661 * @type: the type of event to look for
@@ -930,8 +921,8 @@ static enum print_line_t trace_ctxwake_print(struct trace_iterator *iter,
930 921
931 trace_assign_type(field, iter->ent); 922 trace_assign_type(field, iter->ent);
932 923
933 T = task_state_char(field->next_state); 924 T = __task_state_to_char(field->next_state);
934 S = task_state_char(field->prev_state); 925 S = __task_state_to_char(field->prev_state);
935 trace_find_cmdline(field->next_pid, comm); 926 trace_find_cmdline(field->next_pid, comm);
936 trace_seq_printf(&iter->seq, 927 trace_seq_printf(&iter->seq,
937 " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n", 928 " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n",
@@ -966,8 +957,8 @@ static int trace_ctxwake_raw(struct trace_iterator *iter, char S)
966 trace_assign_type(field, iter->ent); 957 trace_assign_type(field, iter->ent);
967 958
968 if (!S) 959 if (!S)
969 S = task_state_char(field->prev_state); 960 S = __task_state_to_char(field->prev_state);
970 T = task_state_char(field->next_state); 961 T = __task_state_to_char(field->next_state);
971 trace_seq_printf(&iter->seq, "%d %d %c %d %d %d %c\n", 962 trace_seq_printf(&iter->seq, "%d %d %c %d %d %d %c\n",
972 field->prev_pid, 963 field->prev_pid,
973 field->prev_prio, 964 field->prev_prio,
@@ -1002,8 +993,8 @@ static int trace_ctxwake_hex(struct trace_iterator *iter, char S)
1002 trace_assign_type(field, iter->ent); 993 trace_assign_type(field, iter->ent);
1003 994
1004 if (!S) 995 if (!S)
1005 S = task_state_char(field->prev_state); 996 S = __task_state_to_char(field->prev_state);
1006 T = task_state_char(field->next_state); 997 T = __task_state_to_char(field->next_state);
1007 998
1008 SEQ_PUT_HEX_FIELD(s, field->prev_pid); 999 SEQ_PUT_HEX_FIELD(s, field->prev_pid);
1009 SEQ_PUT_HEX_FIELD(s, field->prev_prio); 1000 SEQ_PUT_HEX_FIELD(s, field->prev_prio);
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index ddec53b67646..0c331978b1a6 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -397,10 +397,10 @@ tracing_sched_switch_trace(struct trace_array *tr,
397 entry = ring_buffer_event_data(event); 397 entry = ring_buffer_event_data(event);
398 entry->prev_pid = prev->pid; 398 entry->prev_pid = prev->pid;
399 entry->prev_prio = prev->prio; 399 entry->prev_prio = prev->prio;
400 entry->prev_state = prev->state; 400 entry->prev_state = __get_task_state(prev);
401 entry->next_pid = next->pid; 401 entry->next_pid = next->pid;
402 entry->next_prio = next->prio; 402 entry->next_prio = next->prio;
403 entry->next_state = next->state; 403 entry->next_state = __get_task_state(next);
404 entry->next_cpu = task_cpu(next); 404 entry->next_cpu = task_cpu(next);
405 405
406 if (!call_filter_check_discard(call, entry, buffer, event)) 406 if (!call_filter_check_discard(call, entry, buffer, event))
@@ -425,10 +425,10 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
425 entry = ring_buffer_event_data(event); 425 entry = ring_buffer_event_data(event);
426 entry->prev_pid = curr->pid; 426 entry->prev_pid = curr->pid;
427 entry->prev_prio = curr->prio; 427 entry->prev_prio = curr->prio;
428 entry->prev_state = curr->state; 428 entry->prev_state = __get_task_state(curr);
429 entry->next_pid = wakee->pid; 429 entry->next_pid = wakee->pid;
430 entry->next_prio = wakee->prio; 430 entry->next_prio = wakee->prio;
431 entry->next_state = wakee->state; 431 entry->next_state = __get_task_state(wakee);
432 entry->next_cpu = task_cpu(wakee); 432 entry->next_cpu = task_cpu(wakee);
433 433
434 if (!call_filter_check_discard(call, entry, buffer, event)) 434 if (!call_filter_check_discard(call, entry, buffer, event))