Date: Fri, 25 Jan 2008 08:53:16 GMT From: John Birrell <jb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 134068 for review Message-ID: <200801250853.m0P8rGDZ000691@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=134068 Change 134068 by jb@jb_freebsd1 on 2008/01/25 08:52:41 Add some signal probes which are expected by the DTrace test suite. Affected files ... .. //depot/projects/dtrace/src/sys/kern/kern_sig.c#20 edit Differences ... ==== //depot/projects/dtrace/src/sys/kern/kern_sig.c#20 (text+ko) ==== @@ -38,6 +38,7 @@ __FBSDID("$FreeBSD: src/sys/kern/kern_sig.c,v 1.355 2008/01/13 14:44:09 attilio Exp $"); #include "opt_compat.h" +#include "opt_kdtrace.h" #include "opt_ktrace.h" #include <sys/param.h> @@ -60,6 +61,7 @@ #include <sys/posix4.h> #include <sys/pioctl.h> #include <sys/resourcevar.h> +#include <sys/sdt.h> #include <sys/sleepqueue.h> #include <sys/smp.h> #include <sys/stat.h> @@ -80,6 +82,19 @@ #include <security/audit/audit.h> +SDT_PROVIDER_DECLARE(proc); +SDT_PROBE_DEFINE(proc, kernel, , signal_send); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_send, 0, "struct thread *"); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_send, 1, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_send, 2, "int"); +SDT_PROBE_DEFINE(proc, kernel, , signal_clear); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_clear, 0, "int"); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_clear, 1, "ksiginfo_t *"); +SDT_PROBE_DEFINE(proc, kernel, , signal_discard); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_discard, 0, "struct thread *"); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_discard, 1, "struct proc *"); +SDT_PROBE_ARGTYPE(proc, kernel, , signal_discard, 2, "int"); + #define ONSIG 32 /* NSIG for osig* syscalls. XXX. */ static int coredump(struct thread *); @@ -1275,6 +1290,9 @@ ksiginfo_init(ksi); sigqueue_get(&td->td_sigqueue, sig, ksi); ksi->ksi_signo = sig; + + SDT_PROBE(proc, kernel, , signal_clear, sig, ksi, 0, 0, 0); + if (ksi->ksi_code == SI_TIMER) itimer_accept(p, ksi->ksi_timerid, ksi); error = 0; @@ -2023,6 +2041,7 @@ int tdsignal(struct proc *p, struct thread *td, int sig, ksiginfo_t *ksi) { + SDT_PROBE(proc, kernel, , signal_send, td, p, sig, 0, 0 ); #ifdef KSE sigset_t saved; int ret; @@ -2104,6 +2123,7 @@ */ mtx_lock(&ps->ps_mtx); if (SIGISMEMBER(ps->ps_sigignore, sig)) { + SDT_PROBE(proc, kernel, , signal_discard, ps, td, sig, 0, 0 ); mtx_unlock(&ps->ps_mtx); if (ksi && (ksi->ksi_flags & KSI_INS)) ksiginfo_tryfree(ksi);
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