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Add entries to trace syscalls with KTR.

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This commit is contained in:
Olivier Houchard 2004-12-11 23:54:03 +00:00
parent 8804652415
commit 6cf1dd4f37
1 changed files with 6 additions and 0 deletions
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6
sys/arm/arm/trap.c
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@ -95,6 +95,7 @@ __FBSDID("$FreeBSD$");
#include <sys/syscall.h> #include <sys/syscall.h>
#include <sys/sysent.h> #include <sys/sysent.h>
#include <sys/signalvar.h> #include <sys/signalvar.h>
#include <sys/ktr.h>
#ifdef KTRACE #ifdef KTRACE
#include <sys/uio.h> #include <sys/uio.h>
#include <sys/ktrace.h> #include <sys/ktrace.h>
@ -910,6 +911,8 @@ syscall(struct thread *td, trapframe_t *frame, u_int32_t insn)
ktrsyscall(code, nargs, args); ktrsyscall(code, nargs, args);
#endif #endif
CTR4(KTR_SYSC, "syscall enter thread %p pid %d proc %s code %d", td,
td->td_proc->p_pid, td->td_proc->p_comm, code);
if ((callp->sy_narg & SYF_MPSAFE) == 0) if ((callp->sy_narg & SYF_MPSAFE) == 0)
mtx_lock(&Giant); mtx_lock(&Giant);
locked = 1; locked = 1;
@ -946,6 +949,9 @@ bad:
userret(td, frame, sticks); userret(td, frame, sticks);
CTR4(KTR_SYSC, "syscall exit thread %p pid %d proc %s code %d", td,
td->td_proc->p_pid, td->td_proc->p_comm, code);
#ifdef KTRACE #ifdef KTRACE
if (KTRPOINT(td, KTR_SYSRET)) if (KTRPOINT(td, KTR_SYSRET))
ktrsysret(code, error, td->td_retval[0]); ktrsysret(code, error, td->td_retval[0]);