X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..2d21ac55c334faf3a56e5634905ed6987fc787d4:/bsd/dev/dtrace/sdt_subr.c diff --git a/bsd/dev/dtrace/sdt_subr.c b/bsd/dev/dtrace/sdt_subr.c new file mode 100644 index 000000000..f57c5d614 --- /dev/null +++ b/bsd/dev/dtrace/sdt_subr.c @@ -0,0 +1,229 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* #pragma ident "@(#)sdt_subr.c 1.7 06/04/03 SMI" */ + +#include + +static dtrace_pattr_t vtrace_attr = { +{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_ISA }, +}; + +static dtrace_pattr_t info_attr = { +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA }, +}; + +static dtrace_pattr_t fpu_attr = { +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_CPU }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA }, +}; + +static dtrace_pattr_t fsinfo_attr = { +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +}; + +static dtrace_pattr_t stab_attr = { +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +}; + +static dtrace_pattr_t sdt_attr = { +{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA }, +{ DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_ISA }, +}; + +sdt_provider_t sdt_providers[] = { + { "vtrace", "__vtrace____", &vtrace_attr, 0 }, + { "sysinfo", "__cpu_sysinfo____", &info_attr, 0 }, + { "vminfo", "__vminfo____", &info_attr, 0 }, + { "fpuinfo", "__fpuinfo____", &fpu_attr, 0 }, + { "sched", "__sched____", &stab_attr, 0 }, + { "proc", "__proc____", &stab_attr, 0 }, + { "io", "__io____", &stab_attr, 0 }, + { "mib", "__mib____", &stab_attr, 0 }, + { "fsinfo", "__fsinfo____", &fsinfo_attr, 0 }, + { "sdt", "__sdt____", &sdt_attr, 0 }, + { NULL } +}; + +#warning !!! Need xnu cognate for disp_t. +#warning !!! Need translators for bufinfo_t, cpuinfo_t, devinfo_t, fileinfo_t. +sdt_argdesc_t sdt_args[] = { + { "sched", "wakeup", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "wakeup", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "dequeue", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "dequeue", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "dequeue", 2, 1, "disp_t *", "cpuinfo_t *" }, + { "sched", "enqueue", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "enqueue", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "enqueue", 2, 1, "disp_t *", "cpuinfo_t *" }, + { "sched", "enqueue", 3, 2, "int", NULL }, + { "sched", "off-cpu", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "off-cpu", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "tick", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "tick", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "change-pri", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "change-pri", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "change-pri", 2, 1, "pri_t", NULL }, + { "sched", "schedctl-nopreempt", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "schedctl-nopreempt", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "schedctl-nopreempt", 2, 1, "int", NULL }, + { "sched", "schedctl-preempt", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "schedctl-preempt", 1, 0, "struct proc *", "psinfo_t *" }, + { "sched", "schedctl-yield", 0, 0, "int", NULL }, + { "sched", "surrender", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "sched", "surrender", 1, 0, "struct proc *", "psinfo_t *" }, + + { "proc", "create", 0, 0, "struct proc *", "psinfo_t *" }, + { "proc", "exec", 0, 0, "string", NULL }, + { "proc", "exec-failure", 0, 0, "int", NULL }, + /* proc:::exec-success has no arguments */ + { "proc", "exit", 0, 0, "int", NULL }, + { "proc", "fault", 0, 0, "int", NULL }, + { "proc", "fault", 1, 1, "siginfo_t *", NULL }, + { "proc", "lwp-create", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "proc", "lwp-create", 1, 1, "struct proc *", "psinfo_t *" }, + /* proc:::lwp-start has no arguments */ + /* proc:::lwp-exit has no arguments */ + { "proc", "signal-clear", 0, 0, "int", NULL }, + { "proc", "signal-clear", 1, 1, "siginfo_t *", NULL }, + { "proc", "signal-discard", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "proc", "signal-discard", 1, 1, "struct proc *", "psinfo_t *" }, + { "proc", "signal-discard", 2, 2, "int", NULL }, + { "proc", "signal-handle", 0, 0, "int", NULL }, + { "proc", "signal-handle", 1, 1, "siginfo_t *", NULL }, + { "proc", "signal-handle", 2, 2, "void (*)(void)", NULL }, + { "proc", "signal-send", 0, 0, "struct thread *", "lwpsinfo_t *" }, + { "proc", "signal-send", 1, 1, "struct proc *", "psinfo_t *" }, + { "proc", "signal-send", 2, 2, "int", NULL }, + /* proc:::start has no arguments */ + + { "io", "start", 0, 0, "struct buf *", "bufinfo_t *" }, + { "io", "start", 1, 0, "struct buf *", "devinfo_t *" }, + { "io", "start", 2, 0, "struct buf *", "fileinfo_t *" }, + { "io", "done", 0, 0, "struct buf *", "bufinfo_t *" }, + { "io", "done", 1, 0, "struct buf *", "devinfo_t *" }, + { "io", "done", 2, 0, "struct buf *", "fileinfo_t *" }, + { "io", "wait-start", 0, 0, "struct buf *", "bufinfo_t *" }, + { "io", "wait-start", 1, 0, "struct buf *", "devinfo_t *" }, + { "io", "wait-start", 2, 0, "struct buf *", "fileinfo_t *" }, + { "io", "wait-done", 0, 0, "struct buf *", "bufinfo_t *" }, + { "io", "wait-done", 1, 0, "struct buf *", "devinfo_t *" }, + { "io", "wait-done", 2, 0, "struct buf *", "fileinfo_t *" }, + + { "vminfo", "anonfree", 0, 0, "int", NULL }, + { "vminfo", "anonpgin", 0, 0, "int", NULL }, + { "vminfo", "anonpgout", 0, 0, "int", NULL }, + { "vminfo", "as_fault", 0, 0, "int", NULL }, + { "vminfo", "cow_fault", 0, 0, "int", NULL }, + { "vminfo", "dfree", 0, 0, "int", NULL }, + { "vminfo", "execfree", 0, 0, "int", NULL }, + { "vminfo", "execpgin", 0, 0, "int", NULL }, + { "vminfo", "execpgout", 0, 0, "int", NULL }, + { "vminfo", "fsfree", 0, 0, "int", NULL }, + { "vminfo", "fspgin", 0, 0, "int", NULL }, + { "vminfo", "fspgout", 0, 0, "int", NULL }, + { "vminfo", "kerenl_asflt", 0, 0, "int", NULL }, + { "vminfo", "maj_fault", 0, 0, "int", NULL }, + { "vminfo", "pgfrec", 0, 0, "int", NULL }, + { "vminfo", "pgin", 0, 0, "int", NULL }, + { "vminfo", "pgout", 0, 0, "int", NULL }, + { "vminfo", "pgpgin", 0, 0, "int", NULL }, + { "vminfo", "pgpgout", 0, 0, "int", NULL }, + { "vminfo", "pgrec", 0, 0, "int", NULL }, + { "vminfo", "pgrrun", 0, 0, "int", NULL }, + { "vminfo", "pgswapin", 0, 0, "int", NULL }, + { "vminfo", "pgswapout", 0, 0, "int", NULL }, + { "vminfo", "prot_fault", 0, 0, "int", NULL }, + { "vminfo", "rev", 0, 0, "int", NULL }, + { "vminfo", "scan", 0, 0, "int", NULL }, + { "vminfo", "softlock", 0, 0, "int", NULL }, + { "vminfo", "swapin", 0, 0, "int", NULL }, + { "vminfo", "swapout", 0, 0, "int", NULL }, + { "vminfo", "zfod", 0, 0, "int", NULL }, + + { "mib", NULL, 0, 0, "int", NULL }, + { "fsinfo", NULL, 0, 0, "struct vnode *", "fileinfo_t *" }, + { "fsinfo", NULL, 1, 1, "int", "int" }, + { NULL } +}; + +/*ARGSUSED*/ +void +sdt_getargdesc(void *arg, dtrace_id_t id, void *parg, dtrace_argdesc_t *desc) +{ +#pragma unused(arg, id) + sdt_probe_t *sdp = parg; + int i; + + desc->dtargd_native[0] = '\0'; + desc->dtargd_xlate[0] = '\0'; + + for (i = 0; sdt_args[i].sda_provider != NULL; i++) { + sdt_argdesc_t *a = &sdt_args[i]; + + if (strcmp(sdp->sdp_provider->sdtp_name, a->sda_provider) != 0) + continue; + + if (a->sda_name != NULL && + strcmp(sdp->sdp_name, a->sda_name) != 0) + continue; + + if (desc->dtargd_ndx != a->sda_ndx) + continue; + + if (a->sda_native != NULL) + (void) strcpy(desc->dtargd_native, a->sda_native); + + if (a->sda_xlate != NULL) + (void) strcpy(desc->dtargd_xlate, a->sda_xlate); + + desc->dtargd_mapping = a->sda_mapping; + return; + } + + desc->dtargd_ndx = DTRACE_ARGNONE; +}