diff options
Diffstat (limited to 'sys/kern/kern_proc.c')
| -rw-r--r-- | sys/kern/kern_proc.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c index 29975d1..078d057 100644 --- a/sys/kern/kern_proc.c +++ b/sys/kern/kern_proc.c @@ -33,6 +33,7 @@ __FBSDID("$FreeBSD$"); #include "opt_ddb.h" +#include "opt_kdtrace.h" #include "opt_ktrace.h" #include "opt_kstack_pages.h" #include "opt_stack.h" @@ -55,6 +56,7 @@ __FBSDID("$FreeBSD$"); #include <sys/filedesc.h> #include <sys/tty.h> #include <sys/signalvar.h> +#include <sys/sdt.h> #include <sys/sx.h> #include <sys/user.h> #include <sys/jail.h> @@ -76,6 +78,35 @@ __FBSDID("$FreeBSD$"); #include <vm/vm_object.h> #include <vm/uma.h> +SDT_PROVIDER_DEFINE(proc); +SDT_PROBE_DEFINE(proc, kernel, ctor, entry); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, entry, 0, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, entry, 1, "int"); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, entry, 2, "void *"); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, entry, 3, "int"); +SDT_PROBE_DEFINE(proc, kernel, ctor, return); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, return, 0, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, return, 1, "int"); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, return, 2, "void *"); +SDT_PROBE_ARGTYPE(proc, kernel, ctor, return, 3, "int"); +SDT_PROBE_DEFINE(proc, kernel, dtor, entry); +SDT_PROBE_ARGTYPE(proc, kernel, dtor, entry, 0, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, dtor, entry, 1, "int"); +SDT_PROBE_ARGTYPE(proc, kernel, dtor, entry, 2, "void *"); +SDT_PROBE_ARGTYPE(proc, kernel, dtor, entry, 3, "struct thread *"); +SDT_PROBE_DEFINE(proc, kernel, dtor, return); +SDT_PROBE_ARGTYPE(proc, kernel, dtor, return, 0, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, dtor, return, 1, "int"); +SDT_PROBE_ARGTYPE(proc, kernel, dtor, return, 2, "void *"); +SDT_PROBE_DEFINE(proc, kernel, init, entry); +SDT_PROBE_ARGTYPE(proc, kernel, init, entry, 0, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, init, entry, 1, "int"); +SDT_PROBE_ARGTYPE(proc, kernel, init, entry, 2, "int"); +SDT_PROBE_DEFINE(proc, kernel, init, return); +SDT_PROBE_ARGTYPE(proc, kernel, init, return, 0, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, init, return, 1, "int"); +SDT_PROBE_ARGTYPE(proc, kernel, init, return, 2, "int"); + MALLOC_DEFINE(M_PGRP, "pgrp", "process group header"); MALLOC_DEFINE(M_SESSION, "session", "session header"); static MALLOC_DEFINE(M_PROC, "proc", "Proc structures"); @@ -142,7 +173,9 @@ proc_ctor(void *mem, int size, void *arg, int flags) struct proc *p; p = (struct proc *)mem; + SDT_PROBE(proc, kernel, ctor , entry, p, size, arg, flags, 0); EVENTHANDLER_INVOKE(process_ctor, p); + SDT_PROBE(proc, kernel, ctor , return, p, size, arg, flags, 0); return (0); } @@ -158,6 +191,7 @@ proc_dtor(void *mem, int size, void *arg) /* INVARIANTS checks go here */ p = (struct proc *)mem; td = FIRST_THREAD_IN_PROC(p); + SDT_PROBE(proc, kernel, dtor, entry, p, size, arg, td, 0); if (td != NULL) { #ifdef INVARIANTS KASSERT((p->p_numthreads == 1), @@ -175,6 +209,7 @@ proc_dtor(void *mem, int size, void *arg) EVENTHANDLER_INVOKE(process_dtor, p); if (p->p_ksi != NULL) KASSERT(! KSI_ONQ(p->p_ksi), ("SIGCHLD queue")); + SDT_PROBE(proc, kernel, dtor, return, p, size, arg, 0, 0); } /* @@ -186,6 +221,7 @@ proc_init(void *mem, int size, int flags) struct proc *p; p = (struct proc *)mem; + SDT_PROBE(proc, kernel, init, entry, p, size, flags, 0, 0); p->p_sched = (struct p_sched *)&p[1]; bzero(&p->p_mtx, sizeof(struct mtx)); mtx_init(&p->p_mtx, "process lock", NULL, MTX_DEF | MTX_DUPOK); @@ -193,6 +229,7 @@ proc_init(void *mem, int size, int flags) TAILQ_INIT(&p->p_threads); /* all threads in proc */ EVENTHANDLER_INVOKE(process_init, p); p->p_stats = pstats_alloc(); + SDT_PROBE(proc, kernel, init, return, p, size, flags, 0, 0); return (0); } |
