+/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM signal
-#if !defined(_TRACE_SIGNAL_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_SIGNAL_H
+#if !defined(LTTNG_TRACE_SIGNAL_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_SIGNAL_H
-#include <linux/tracepoint.h>
+#include <probes/lttng-tracepoint-event.h>
+#include <linux/version.h>
#ifndef _TRACE_SIGNAL_DEF
#define _TRACE_SIGNAL_DEF
#include <linux/signal.h>
#include <linux/sched.h>
-#define TP_STORE_SIGINFO(info) \
- tp_assign(errno, \
+#undef LTTNG_FIELDS_SIGINFO
+#define LTTNG_FIELDS_SIGINFO(info) \
+ ctf_integer(int, errno, \
(info == SEND_SIG_NOINFO || info == SEND_SIG_FORCED || info == SEND_SIG_PRIV) ? \
0 : \
info->si_errno) \
- tp_assign(code, \
+ ctf_integer(int, code, \
(info == SEND_SIG_NOINFO || info == SEND_SIG_FORCED) ? \
SI_USER : \
((info == SEND_SIG_PRIV) ? SI_KERNEL : info->si_code))
* SEND_SIG_NOINFO means that si_code is SI_USER, and SEND_SIG_PRIV
* means that si_code is SI_KERNEL.
*/
-TRACE_EVENT(signal_generate,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0))
+LTTNG_TRACEPOINT_EVENT(signal_generate,
+
+ TP_PROTO(int sig, struct kernel_siginfo *info, struct task_struct *task,
+ int group, int result),
+
+ TP_ARGS(sig, info, task, group, result),
+
+ TP_FIELDS(
+ ctf_integer(int, sig, sig)
+ LTTNG_FIELDS_SIGINFO(info)
+ ctf_array_text(char, comm, task->comm, TASK_COMM_LEN)
+ ctf_integer(pid_t, pid, task->pid)
+ ctf_integer(int, group, group)
+ ctf_integer(int, result, result)
+ )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
+LTTNG_TRACEPOINT_EVENT(signal_generate,
+
+ TP_PROTO(int sig, struct siginfo *info, struct task_struct *task,
+ int group, int result),
+
+ TP_ARGS(sig, info, task, group, result),
+
+ TP_FIELDS(
+ ctf_integer(int, sig, sig)
+ LTTNG_FIELDS_SIGINFO(info)
+ ctf_array_text(char, comm, task->comm, TASK_COMM_LEN)
+ ctf_integer(pid_t, pid, task->pid)
+ ctf_integer(int, group, group)
+ ctf_integer(int, result, result)
+ )
+)
+#else
+LTTNG_TRACEPOINT_EVENT(signal_generate,
TP_PROTO(int sig, struct siginfo *info, struct task_struct *task),
TP_ARGS(sig, info, task),
- TP_STRUCT__entry(
- __field( int, sig )
- __field( int, errno )
- __field( int, code )
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
- ),
-
- TP_fast_assign(
- tp_assign(sig, sig)
- TP_STORE_SIGINFO(info)
- tp_memcpy(comm, task->comm, TASK_COMM_LEN)
- tp_assign(pid, task->pid)
- ),
-
- TP_printk("sig=%d errno=%d code=%d comm=%s pid=%d",
- __entry->sig, __entry->errno, __entry->code,
- __entry->comm, __entry->pid)
+ TP_FIELDS(
+ ctf_integer(int, sig, sig)
+ LTTNG_FIELDS_SIGINFO(info)
+ ctf_array_text(char, comm, task->comm, TASK_COMM_LEN)
+ ctf_integer(pid_t, pid, task->pid)
+ )
)
+#endif
/**
* signal_deliver - called when a signal is delivered
* This means, this can show which signals are actually delivered, but
* matching generated signals and delivered signals may not be correct.
*/
-TRACE_EVENT(signal_deliver,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0))
+LTTNG_TRACEPOINT_EVENT(signal_deliver,
+
+ TP_PROTO(int sig, struct kernel_siginfo *info, struct k_sigaction *ka),
+
+ TP_ARGS(sig, info, ka),
+
+ TP_FIELDS(
+ ctf_integer(int, sig, sig)
+ LTTNG_FIELDS_SIGINFO(info)
+ ctf_integer(unsigned long, sa_handler, (unsigned long) ka->sa.sa_handler)
+ ctf_integer(unsigned long, sa_flags, ka->sa.sa_flags)
+ )
+)
+#else
+LTTNG_TRACEPOINT_EVENT(signal_deliver,
TP_PROTO(int sig, struct siginfo *info, struct k_sigaction *ka),
TP_ARGS(sig, info, ka),
- TP_STRUCT__entry(
- __field( int, sig )
- __field( int, errno )
- __field( int, code )
- __field( unsigned long, sa_handler )
- __field( unsigned long, sa_flags )
- ),
-
- TP_fast_assign(
- tp_assign(sig, sig)
- TP_STORE_SIGINFO(info)
- tp_assign(sa_handler, (unsigned long)ka->sa.sa_handler)
- tp_assign(sa_flags, ka->sa.sa_flags)
- ),
-
- TP_printk("sig=%d errno=%d code=%d sa_handler=%lx sa_flags=%lx",
- __entry->sig, __entry->errno, __entry->code,
- __entry->sa_handler, __entry->sa_flags)
+ TP_FIELDS(
+ ctf_integer(int, sig, sig)
+ LTTNG_FIELDS_SIGINFO(info)
+ ctf_integer(unsigned long, sa_handler, (unsigned long) ka->sa.sa_handler)
+ ctf_integer(unsigned long, sa_flags, ka->sa.sa_flags)
+ )
)
+#endif
-DECLARE_EVENT_CLASS(signal_queue_overflow,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(signal_queue_overflow,
TP_PROTO(int sig, int group, struct siginfo *info),
TP_ARGS(sig, group, info),
- TP_STRUCT__entry(
- __field( int, sig )
- __field( int, group )
- __field( int, errno )
- __field( int, code )
- ),
-
- TP_fast_assign(
- tp_assign(sig, sig)
- tp_assign(group, group)
- TP_STORE_SIGINFO(info)
- ),
-
- TP_printk("sig=%d group=%d errno=%d code=%d",
- __entry->sig, __entry->group, __entry->errno, __entry->code)
+ TP_FIELDS(
+ ctf_integer(int, sig, sig)
+ ctf_integer(int, group, group)
+ LTTNG_FIELDS_SIGINFO(info)
+ )
)
/**
* 'group' is not 0 if the signal will be sent to a process group.
* 'sig' is always one of RT signals.
*/
-DEFINE_EVENT(signal_queue_overflow, signal_overflow_fail,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(signal_queue_overflow, signal_overflow_fail,
TP_PROTO(int sig, int group, struct siginfo *info),
* 'group' is not 0 if the signal will be sent to a process group.
* 'sig' is always one of non-RT signals.
*/
-DEFINE_EVENT(signal_queue_overflow, signal_lose_info,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(signal_queue_overflow, signal_lose_info,
TP_PROTO(int sig, int group, struct siginfo *info),
TP_ARGS(sig, group, info)
)
+#endif
-#endif /* _TRACE_SIGNAL_H */
+#endif /* LTTNG_TRACE_SIGNAL_H */
/* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>
projects / lttng-modules.git / blobdiff