trace: Change struct trace_event callbacks parameter list
Impact: API change The trace_seq and trace_entry are in trace_iterator, where there are more fields that may be needed by tracers, so just pass the tracer_iterator as is already the case for struct tracer->print_line. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
c4a8e8be2d
commit
2c9b238eb3
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@ -1140,10 +1140,10 @@ static struct {
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[__BLK_TA_REMAP] = {{ "A", "remap" }, blk_log_remap },
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};
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static int blk_trace_event_print(struct trace_seq *s, struct trace_entry *ent,
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int flags)
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static int blk_trace_event_print(struct trace_iterator *iter, int flags)
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{
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const struct blk_io_trace *t = (struct blk_io_trace *)ent;
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struct trace_seq *s = &iter->seq;
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const struct blk_io_trace *t = (struct blk_io_trace *)iter->ent;
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const u16 what = t->action & ((1 << BLK_TC_SHIFT) - 1);
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int ret;
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@ -1153,7 +1153,7 @@ static int blk_trace_event_print(struct trace_seq *s, struct trace_entry *ent,
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const bool long_act = !!(trace_flags & TRACE_ITER_VERBOSE);
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ret = blk_log_action_seq(s, t, what2act[what].act[long_act]);
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if (ret)
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ret = what2act[what].print(s, ent);
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ret = what2act[what].print(s, iter->ent);
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}
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return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
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@ -1388,7 +1388,7 @@ static enum print_line_t print_lat_fmt(struct trace_iterator *iter)
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}
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if (event && event->latency_trace) {
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ret = event->latency_trace(s, entry, sym_flags);
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ret = event->latency_trace(iter, sym_flags);
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if (ret)
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return ret;
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return TRACE_TYPE_HANDLED;
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@ -1419,7 +1419,7 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
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}
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if (event && event->trace) {
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ret = event->trace(s, entry, sym_flags);
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ret = event->trace(iter, sym_flags);
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if (ret)
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return ret;
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return TRACE_TYPE_HANDLED;
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@ -1449,7 +1449,7 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter)
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event = ftrace_find_event(entry->type);
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if (event && event->raw) {
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ret = event->raw(s, entry, 0);
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ret = event->raw(iter, 0);
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if (ret)
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return ret;
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return TRACE_TYPE_HANDLED;
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@ -1478,7 +1478,7 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter)
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event = ftrace_find_event(entry->type);
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if (event && event->hex)
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event->hex(s, entry, 0);
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event->hex(iter, 0);
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SEQ_PUT_FIELD_RET(s, newline);
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@ -1517,7 +1517,7 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter)
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event = ftrace_find_event(entry->type);
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if (event && event->binary)
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event->binary(s, entry, 0);
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event->binary(iter, 0);
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return TRACE_TYPE_HANDLED;
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}
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@ -160,14 +160,13 @@ trace_print_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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return TRACE_TYPE_PARTIAL_LINE;
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}
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static int
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trace_branch_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_branch_print(struct trace_iterator *iter, int flags)
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{
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struct trace_branch *field;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (trace_seq_printf(s, "[%s] %s:%s:%d\n",
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if (trace_seq_printf(&iter->seq, "[%s] %s:%s:%d\n",
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field->correct ? " ok " : " MISS ",
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field->func,
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field->file,
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@ -484,19 +484,18 @@ int unregister_ftrace_event(struct trace_event *event)
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* Standard events
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*/
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int
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trace_nop_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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int trace_nop_print(struct trace_iterator *iter, int flags)
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{
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return 0;
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}
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/* TRACE_FN */
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static int
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trace_fn_latency(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_fn_latency(struct trace_iterator *iter, int flags)
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{
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struct ftrace_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!seq_print_ip_sym(s, field->ip, flags))
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goto partial;
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@ -513,12 +512,12 @@ trace_fn_latency(struct trace_seq *s, struct trace_entry *entry, int flags)
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return TRACE_TYPE_PARTIAL_LINE;
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}
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static int
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trace_fn_trace(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_fn_trace(struct trace_iterator *iter, int flags)
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{
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struct ftrace_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!seq_print_ip_sym(s, field->ip, flags))
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goto partial;
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@ -540,14 +539,13 @@ trace_fn_trace(struct trace_seq *s, struct trace_entry *entry, int flags)
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return TRACE_TYPE_PARTIAL_LINE;
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}
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static int
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trace_fn_raw(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_fn_raw(struct trace_iterator *iter, int flags)
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{
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struct ftrace_entry *field;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!trace_seq_printf(s, "%lx %lx\n",
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if (!trace_seq_printf(&iter->seq, "%lx %lx\n",
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field->ip,
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field->parent_ip))
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return TRACE_TYPE_PARTIAL_LINE;
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@ -555,12 +553,12 @@ trace_fn_raw(struct trace_seq *s, struct trace_entry *entry, int flags)
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return 0;
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}
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static int
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trace_fn_hex(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_fn_hex(struct trace_iterator *iter, int flags)
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{
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struct ftrace_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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SEQ_PUT_HEX_FIELD_RET(s, field->ip);
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SEQ_PUT_HEX_FIELD_RET(s, field->parent_ip);
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@ -568,12 +566,12 @@ trace_fn_hex(struct trace_seq *s, struct trace_entry *entry, int flags)
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return 0;
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}
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static int
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trace_fn_bin(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_fn_bin(struct trace_iterator *iter, int flags)
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{
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struct ftrace_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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SEQ_PUT_FIELD_RET(s, field->ip);
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SEQ_PUT_FIELD_RET(s, field->parent_ip);
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@ -591,20 +589,19 @@ static struct trace_event trace_fn_event = {
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};
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/* TRACE_CTX an TRACE_WAKE */
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static int
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trace_ctxwake_print(struct trace_seq *s, struct trace_entry *entry, int flags,
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char *delim)
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static int trace_ctxwake_print(struct trace_iterator *iter, char *delim)
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{
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struct ctx_switch_entry *field;
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char *comm;
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int S, T;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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T = task_state_char(field->next_state);
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S = task_state_char(field->prev_state);
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comm = trace_find_cmdline(field->next_pid);
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if (!trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n",
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if (!trace_seq_printf(&iter->seq,
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" %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n",
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field->prev_pid,
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field->prev_prio,
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S, delim,
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return 0;
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}
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static int
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trace_ctx_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_ctx_print(struct trace_iterator *iter, int flags)
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{
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return trace_ctxwake_print(s, entry, flags, "==>");
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return trace_ctxwake_print(iter, "==>");
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}
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static int
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trace_wake_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_wake_print(struct trace_iterator *iter, int flags)
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{
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return trace_ctxwake_print(s, entry, flags, " +");
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return trace_ctxwake_print(iter, " +");
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}
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static int
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trace_ctxwake_raw(struct trace_seq *s, struct trace_entry *entry, int flags,
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char S)
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static int trace_ctxwake_raw(struct trace_iterator *iter, char S)
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{
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struct ctx_switch_entry *field;
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int T;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!S)
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task_state_char(field->prev_state);
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T = task_state_char(field->next_state);
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if (!trace_seq_printf(s, "%d %d %c %d %d %d %c\n",
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if (!trace_seq_printf(&iter->seq, "%d %d %c %d %d %d %c\n",
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field->prev_pid,
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field->prev_prio,
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S,
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return 0;
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}
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static int
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trace_ctx_raw(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_ctx_raw(struct trace_iterator *iter, int flags)
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{
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return trace_ctxwake_raw(s, entry, flags, 0);
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return trace_ctxwake_raw(iter, 0);
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}
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static int
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trace_wake_raw(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_wake_raw(struct trace_iterator *iter, int flags)
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{
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return trace_ctxwake_raw(s, entry, flags, '+');
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return trace_ctxwake_raw(iter, '+');
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}
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static int
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trace_ctxwake_hex(struct trace_seq *s, struct trace_entry *entry, int flags,
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char S)
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static int trace_ctxwake_hex(struct trace_iterator *iter, char S)
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{
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struct ctx_switch_entry *field;
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struct trace_seq *s = &iter->seq;
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int T;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!S)
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task_state_char(field->prev_state);
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@ -691,24 +681,22 @@ trace_ctxwake_hex(struct trace_seq *s, struct trace_entry *entry, int flags,
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return 0;
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}
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static int
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trace_ctx_hex(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_ctx_hex(struct trace_iterator *iter, int flags)
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{
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return trace_ctxwake_hex(s, entry, flags, 0);
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return trace_ctxwake_hex(iter, 0);
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}
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static int
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trace_wake_hex(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_wake_hex(struct trace_iterator *iter, int flags)
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{
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return trace_ctxwake_hex(s, entry, flags, '+');
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return trace_ctxwake_hex(iter, '+');
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}
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static int
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trace_ctxwake_bin(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_ctxwake_bin(struct trace_iterator *iter, int flags)
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{
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struct ctx_switch_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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SEQ_PUT_FIELD_RET(s, field->prev_pid);
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SEQ_PUT_FIELD_RET(s, field->prev_prio);
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@ -739,14 +727,13 @@ static struct trace_event trace_wake_event = {
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};
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/* TRACE_SPECIAL */
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static int
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trace_special_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_special_print(struct trace_iterator *iter, int flags)
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{
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struct special_entry *field;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!trace_seq_printf(s, "# %ld %ld %ld\n",
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if (!trace_seq_printf(&iter->seq, "# %ld %ld %ld\n",
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field->arg1,
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field->arg2,
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field->arg3))
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@ -755,12 +742,12 @@ trace_special_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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return 0;
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}
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static int
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trace_special_hex(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_special_hex(struct trace_iterator *iter, int flags)
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{
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struct special_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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SEQ_PUT_HEX_FIELD_RET(s, field->arg1);
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SEQ_PUT_HEX_FIELD_RET(s, field->arg2);
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@ -769,12 +756,12 @@ trace_special_hex(struct trace_seq *s, struct trace_entry *entry, int flags)
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return 0;
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}
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static int
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trace_special_bin(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_special_bin(struct trace_iterator *iter, int flags)
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{
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struct special_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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SEQ_PUT_FIELD_RET(s, field->arg1);
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SEQ_PUT_FIELD_RET(s, field->arg2);
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@ -794,13 +781,13 @@ static struct trace_event trace_special_event = {
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/* TRACE_STACK */
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static int
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trace_stack_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_stack_print(struct trace_iterator *iter, int flags)
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{
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struct stack_entry *field;
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struct trace_seq *s = &iter->seq;
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int i;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
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if (i) {
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@ -830,13 +817,12 @@ static struct trace_event trace_stack_event = {
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};
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/* TRACE_USER_STACK */
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static int
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trace_user_stack_print(struct trace_seq *s, struct trace_entry *entry,
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int flags)
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static int trace_user_stack_print(struct trace_iterator *iter, int flags)
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{
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struct userstack_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!seq_print_userip_objs(field, s, flags))
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goto partial;
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@ -860,12 +846,12 @@ static struct trace_event trace_user_stack_event = {
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};
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/* TRACE_PRINT */
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static int
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trace_print_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_print_print(struct trace_iterator *iter, int flags)
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{
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struct print_entry *field;
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struct trace_seq *s = &iter->seq;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!seq_print_ip_sym(s, field->ip, flags))
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goto partial;
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@ -879,14 +865,13 @@ trace_print_print(struct trace_seq *s, struct trace_entry *entry, int flags)
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return TRACE_TYPE_PARTIAL_LINE;
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}
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static int
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trace_print_raw(struct trace_seq *s, struct trace_entry *entry, int flags)
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static int trace_print_raw(struct trace_iterator *iter, int flags)
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{
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struct print_entry *field;
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trace_assign_type(field, entry);
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trace_assign_type(field, iter->ent);
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if (!trace_seq_printf(s, "# %lx %s", field->ip, field->buf))
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if (!trace_seq_printf(&iter->seq, "# %lx %s", field->ip, field->buf))
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goto partial;
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return 0;
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@ -3,8 +3,7 @@
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#include "trace.h"
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typedef int (*trace_print_func)(struct trace_seq *s, struct trace_entry *entry,
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int flags);
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typedef int (*trace_print_func)(struct trace_iterator *iter, int flags);
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struct trace_event {
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struct hlist_node node;
|
||||
|
@ -40,8 +39,7 @@ struct trace_event *ftrace_find_event(int type);
|
|||
int register_ftrace_event(struct trace_event *event);
|
||||
int unregister_ftrace_event(struct trace_event *event);
|
||||
|
||||
int
|
||||
trace_nop_print(struct trace_seq *s, struct trace_entry *entry, int flags);
|
||||
int trace_nop_print(struct trace_iterator *iter, int flags);
|
||||
|
||||
#define MAX_MEMHEX_BYTES 8
|
||||
#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)
|
||||
|
|
Loading…
Reference in New Issue