mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 13:11:45 +00:00
a9c58b907d
The maximum oom_score_adj is 1000 and the minimum oom_score_adj is -1000, so this range can be represented by the signed short type with no functional change. The extra space this frees up in struct signal_struct will be used for per-thread oom kill flags in the next patch. Signed-off-by: David Rientjes <rientjes@google.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: Michal Hocko <mhocko@suse.cz> Cc: Anton Vorontsov <anton.vorontsov@linaro.org> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM task
|
|
|
|
#if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_TASK_H
|
|
#include <linux/tracepoint.h>
|
|
|
|
TRACE_EVENT(task_newtask,
|
|
|
|
TP_PROTO(struct task_struct *task, unsigned long clone_flags),
|
|
|
|
TP_ARGS(task, clone_flags),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( pid_t, pid)
|
|
__array( char, comm, TASK_COMM_LEN)
|
|
__field( unsigned long, clone_flags)
|
|
__field( short, oom_score_adj)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->pid = task->pid;
|
|
memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
|
|
__entry->clone_flags = clone_flags;
|
|
__entry->oom_score_adj = task->signal->oom_score_adj;
|
|
),
|
|
|
|
TP_printk("pid=%d comm=%s clone_flags=%lx oom_score_adj=%hd",
|
|
__entry->pid, __entry->comm,
|
|
__entry->clone_flags, __entry->oom_score_adj)
|
|
);
|
|
|
|
TRACE_EVENT(task_rename,
|
|
|
|
TP_PROTO(struct task_struct *task, char *comm),
|
|
|
|
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);
|
|
memcpy(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)
|
|
);
|
|
|
|
#endif
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|