X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fsignal.h;h=7c44cb14fc25ddcc8f73fe9c344f4eea00deb2c1;hb=2ab5d8f3039688dc63410409fe356e1924bb49f4;hp=f963c807f14f914f2a6ce552940e12f906f376f5;hpb=f97eaafb28e11d68919a6d53278b117343f33d60;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/signal.h b/instrumentation/events/lttng-module/signal.h index f963c807..7c44cb14 100644 --- a/instrumentation/events/lttng-module/signal.h +++ b/instrumentation/events/lttng-module/signal.h @@ -1,25 +1,40 @@ +/* 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 +#include +#include #ifndef _TRACE_SIGNAL_DEF #define _TRACE_SIGNAL_DEF #include #include -#undef TP_STORE_SIGINFO -#define TP_STORE_SIGINFO(info) \ - tp_assign(errno, \ +#undef LTTNG_FIELDS_SIGINFO +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0) || \ + LTTNG_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0)) +#define LTTNG_FIELDS_SIGINFO(info) \ + ctf_integer(int, errno, \ + (info == SEND_SIG_NOINFO || info == SEND_SIG_PRIV) ? \ + 0 : \ + info->si_errno) \ + ctf_integer(int, code, \ + (info == SEND_SIG_NOINFO) ? \ + SI_USER : \ + ((info == SEND_SIG_PRIV) ? SI_KERNEL : info->si_code)) +#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0) */ +#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)) +#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4,20,0) */ #endif /* _TRACE_SIGNAL_DEF */ /** @@ -34,31 +49,56 @@ * 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_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0)) +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 @@ -74,53 +114,49 @@ TRACE_EVENT(signal_generate, * 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_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0)) +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) + ) ) /** @@ -134,7 +170,7 @@ DECLARE_EVENT_CLASS(signal_queue_overflow, * '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), @@ -152,14 +188,15 @@ DEFINE_EVENT(signal_queue_overflow, signal_overflow_fail, * '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