forked from luck/tmp_suning_uos_patched
tracing: Don't add flag strings when displaying variable references
Variable references should never have flags appended when displayed - prevent that from happening. Before: # cat /sys/kernel/debug/tracing/events/sched/sched_switch/trigger hist:keys=next_pid:vals=hitcount:wakeup_lat=common_timestamp.usecs-$ts0.usecs:... After: hist:keys=next_pid:vals=hitcount:wakeup_lat=common_timestamp.usecs-$ts0:... Link: http://lkml.kernel.org/r/913318a5610ef6b24af2522575f671fa6ee19b6b.1522256721.git.tom.zanussi@linux.intel.com Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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@ -2052,7 +2052,7 @@ static void expr_field_str(struct hist_field *field, char *expr)
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strcat(expr, hist_field_name(field, 0));
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if (field->flags) {
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if (field->flags && !(field->flags & HIST_FIELD_FL_VAR_REF)) {
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const char *flags_str = get_hist_field_flags(field);
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if (flags_str) {
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