freebsd-dev/share/dtrace/watch_vop_remove
Devin Teske abac203368 Add scripts for watching common entry points.
MFC after:	3 days
X-MFC-to:	stable/10
2016-01-22 07:19:30 +00:00

477 lines
16 KiB
Plaintext
Executable File

#!/usr/sbin/dtrace -s
/* -
* Copyright (c) 2014 Devin Teske <dteske@FreeBSD.org>
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Title: dtrace(1) script to log process(es) entering vfs::vop_remove $
* $FreeBSD$
*/
#pragma D option quiet
#pragma D option dynvarsize=16m
#pragma D option switchrate=10hz
/*********************************************************/
vfs::vop_remove:entry /* probe ID 1 */
{
this->vp = (struct vnode *)arg0;
this->ncp = &(this->vp->v_cache_dst) != NULL ?
this->vp->v_cache_dst.tqh_first : 0;
this->fi_name = args[1] ? (
args[1]->a_cnp != NULL ?
stringof(args[1]->a_cnp->cn_nameptr) : ""
) : "";
this->mount = this->vp->v_mount; /* ptr to vfs we are in */
this->fi_fs = this->mount != 0 ?
stringof(this->mount->mnt_stat.f_fstypename) : "";
this->fi_mount = this->mount != 0 ?
stringof(this->mount->mnt_stat.f_mntonname) : "";
this->d_name = args[0]->v_cache_dd != NULL ?
stringof(args[0]->v_cache_dd->nc_name) : "";
}
vfs::vop_remove:entry /this->vp == 0 || this->fi_fs == 0 ||
this->fi_fs == "devfs" || this->fi_fs == "" ||
this->fi_name == ""/ /* probe ID 2 */
{
this->ncp = 0;
}
/*********************************************************/
vfs::vop_remove:entry /this->ncp/ /* probe ID 3 (depth 1) */
{
this->dvp = this->ncp->nc_dvp != NULL ? (
&(this->ncp->nc_dvp->v_cache_dst) != NULL ?
this->ncp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name1 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->name1 == 0 || this->fi_fs == 0 ||
this->fi_fs == "devfs" || this->fi_fs == "" ||
this->name1 == "/" || this->name1 == ""/ /* probe ID 4 */
{
this->dvp = 0;
}
/*********************************************************/
/*
* BEGIN Pathname-depth iterators (copy/paste as many times as-desired)
*/
vfs::vop_remove:entry /this->dvp/ /* probe ID 5 (depth 2) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name2 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 6 (depth 3) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name3 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 7 (depth 4) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name4 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 8 (depth 5) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name5 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 9 (depth 6) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name6 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 10 (depth 7) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name7 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 11 (depth 8) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name8 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 12 (depth 9) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name9 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 13 (depth 10) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name10 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 14 (depth 11) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name11 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 15 (depth 12) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name12 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 16 (depth 13) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name13 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 17 (depth 14) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name14 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 18 (depth 15) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name15 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 19 (depth 16) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name16 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 20 (depth 17) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name17 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 21 (depth 18) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name18 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 22 (depth 19) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name19 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
vfs::vop_remove:entry /this->dvp/ /* probe ID 23 (depth 20) */
{
this->dvp = this->dvp->nc_dvp != NULL ? (
&(this->dvp->nc_dvp->v_cache_dst) != NULL ?
this->dvp->nc_dvp->v_cache_dst.tqh_first : 0
) : 0;
this->name20 = this->dvp != 0 ? (
this->dvp->nc_name != 0 ? stringof(this->dvp->nc_name) : ""
) : "";
}
/*
* END Pathname-depth iterators
*/
/*********************************************************/
vfs::vop_remove:entry /this->fi_mount != 0/ /* probe ID 24 */
{
printf("%Y %s[%d]: ", timestamp + 1406598400000000000, execname, pid);
/*
* Print full path of file to delete
* NB: Up-to but not including the parent directory (printed below)
*/
printf("%s%s", this->fi_mount, this->fi_mount != 0 ? (
this->fi_mount == "/" ? "" : "/"
) : "/");
printf("%s%s", this->name = this->name20, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name19, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name18, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name17, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name16, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name15, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name14, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name13, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name12, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name11, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name10, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name9, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name8, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name7, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name6, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name5, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name4, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name3, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name2, this->name != "" ? "/" : "");
printf("%s%s", this->name = this->name1, this->name != "" ? "/" : "");
/* Print the parent directory name */
this->name = this->d_name != 0 ? this->d_name : "";
printf("%s%s", this->name, this->name != "" ? "/" : "");
/* Print the entry name */
this->name = this->fi_name != 0 ? this->fi_name : "";
printf("%s", this->name);
printf("\n");
/*
* Examine process, parent process, and grandparent process details
*/
/******************* CURPROC *******************/
this->proc = curthread->td_proc;
this->pid0 = this->proc->p_pid;
this->uid0 = this->proc->p_ucred->cr_uid;
this->gid0 = this->proc->p_ucred->cr_rgid;
this->p_args = this->proc->p_args;
this->ar_length = this->p_args ? this->p_args->ar_length : 0;
this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
this->arg0_0 = this->ar_length > 0 ?
this->ar_args : stringof(this->proc->p_comm);
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg0_1 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg0_2 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg0_3 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg0_4 = this->ar_length > 0 ? "..." : "";
/******************* PPARENT *******************/
this->proc = this->proc->p_pptr;
this->pid1 = this->proc->p_pid;
this->uid1 = this->proc->p_ucred->cr_uid;
this->gid1 = this->proc->p_ucred->cr_rgid;
this->p_args = this->proc ? this->proc->p_args : 0;
this->ar_length = this->p_args ? this->p_args->ar_length : 0;
this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
this->arg1_0 = this->ar_length > 0 ?
this->ar_args : stringof(this->proc->p_comm);
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg1_1 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg1_2 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg1_3 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg1_4 = this->ar_length > 0 ? "..." : "";
/******************* GPARENT *******************/
this->proc = this->proc->p_pptr;
this->pid2 = this->proc->p_pid;
this->uid2 = this->proc->p_ucred->cr_uid;
this->gid2 = this->proc->p_ucred->cr_rgid;
this->p_args = this->proc ? this->proc->p_args : 0;
this->ar_length = this->p_args ? this->p_args->ar_length : 0;
this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
this->arg2_0 = this->ar_length > 0 ?
this->ar_args : stringof(this->proc->p_comm);
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg2_1 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg2_2 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg2_3 = this->ar_length > 0 ? this->ar_args : "";
this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
this->ar_args += this->len;
this->ar_length -= this->len;
this->arg2_4 = this->ar_length > 0 ? "..." : "";
/***********************************************/
/*
* Print process, parent, and grandparent details
*/
printf(" -+= %05d %d.%d %s",
this->pid2, this->uid2, this->gid2, this->arg2_0);
printf("%s%s", this->arg2_1 != "" ? " " : "", this->arg2_1);
printf("%s%s", this->arg2_2 != "" ? " " : "", this->arg2_2);
printf("%s%s", this->arg2_3 != "" ? " " : "", this->arg2_3);
printf("%s%s", this->arg2_4 != "" ? " " : "", this->arg2_4);
printf("%s", this->arg2_0 != "" ? "\n" : "");
printf(" \-+= %05d %d.%d %s",
this->pid1, this->uid1, this->gid1, this->arg1_0);
printf("%s%s", this->arg1_1 != "" ? " " : "", this->arg1_1);
printf("%s%s", this->arg1_2 != "" ? " " : "", this->arg1_2);
printf("%s%s", this->arg1_3 != "" ? " " : "", this->arg1_3);
printf("%s%s", this->arg1_4 != "" ? " " : "", this->arg1_4);
printf("%s", this->arg1_0 != "" ? "\n" : "");
printf(" \-+= %05d %d.%d %s",
this->pid0, this->uid0, this->gid0, this->arg0_0);
printf("%s%s", this->arg0_1 != "" ? " " : "", this->arg0_1);
printf("%s%s", this->arg0_2 != "" ? " " : "", this->arg0_2);
printf("%s%s", this->arg0_3 != "" ? " " : "", this->arg0_3);
printf("%s%s", this->arg0_4 != "" ? " " : "", this->arg0_4);
printf("%s", this->arg0_0 != "" ? "\n" : "");
}