Commit e3f6a422 authored by Marco Elver's avatar Marco Elver Committed by Kees Cook
Browse files

tracing: Remove pid in task_rename tracing output 

Remove pid in task_rename tracepoint output, since that tracepoint only
deals with the current task, and is printed by default. This also saves
some space in the entry and avoids wasted padding.

Link: https://lkml.kernel.org/r/20241105120247.596a0dc9@gandalf.local.home


Suggested-by: default avatarSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: default avatarMarco Elver <elver@google.com>
Link: https://lore.kernel.org/r/20241108113455.2924361-2-elver@google.com


Signed-off-by: default avatarKees Cook <kees@kernel.org>
parent c38904eb

include/trace/events/task.h

+2 −5
Original line number Diff line number Diff line
@@ -38,22 +38,19 @@ TRACE_EVENT(task_rename, 
	TP_ARGS(task, comm),



	TP_STRUCT__entry(

		__field(	pid_t,	pid)

		__array(	char, oldcomm,  TASK_COMM_LEN)

		__array(	char, newcomm,  TASK_COMM_LEN)

		__field(	short,	oom_score_adj)

	),



	TP_fast_assign(

		__entry->pid = task->pid;

		memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);

		strscpy(entry->newcomm, comm, TASK_COMM_LEN);

		__entry->oom_score_adj = task->signal->oom_score_adj;

	),



	TP_printk("pid=%d oldcomm=%s newcomm=%s oom_score_adj=%hd",

		__entry->pid, __entry->oldcomm,

		__entry->newcomm, __entry->oom_score_adj)

	TP_printk("oldcomm=%s newcomm=%s oom_score_adj=%hd",

		  __entry->oldcomm, __entry->newcomm, __entry->oom_score_adj)

);



/**