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tracing: Have COMM event filter key be treated as a string 

The GLOB operation "~" should be able to work with the COMM filter key in
order to trace programs with a glob. For example

  echo 'COMM ~ "systemd*"' > events/syscalls/filter

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (VMware) 2017-02-08 13:36:37 -05:00
parent e704eff3ff
commit 4c7384131c
1 changed files with 2 additions and 1 deletions
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3
kernel/trace/trace.h
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@ -1312,7 +1312,8 @@ static inline bool is_string_field(struct ftrace_event_field *field)
{ {
return field->filter_type == FILTER_DYN_STRING || return field->filter_type == FILTER_DYN_STRING ||
field->filter_type == FILTER_STATIC_STRING || field->filter_type == FILTER_STATIC_STRING ||
field->filter_type == FILTER_PTR_STRING; field->filter_type == FILTER_PTR_STRING ||
field->filter_type == FILTER_COMM;
} }
static inline bool is_function_field(struct ftrace_event_field *field) static inline bool is_function_field(struct ftrace_event_field *field)