tracing: add print format to event trace format files
This patch adds the internal print format used to print the raw events to the event trace point format file. # cat /debug/tracing/events/sched/sched_switch/format name: sched_switch ID: 29 format: field:unsigned char type; offset:0; size:1; field:unsigned char flags; offset:1; size:1; field:unsigned char preempt_count; offset:2; size:1; field:int pid; offset:4; size:4; field:int tgid; offset:8; size:4; field:pid_t prev_pid; offset:12; size:4; field:int prev_prio; offset:16; size:4; field special:char next_comm[TASK_COMM_LEN]; offset:20; size:16; field:pid_t next_pid; offset:36; size:4; field:int next_prio; offset:40; size:4; print fmt: "prev %d:%d ==> next %s:%d:%d" Signed-off-by: Steven Rostedt <srostedt@redhat.com>
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@ -122,6 +122,8 @@ ftrace_format_##call(struct trace_seq *s) \
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\
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tstruct; \
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\
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trace_seq_printf(s, "\nprint fmt: \"%s\"\n", tpfmt); \
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\
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return ret; \
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}
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