#!/usr/sbin/dtrace -Cs /* * crash.d - Crashed Application info. * Written in DTrace (Solaris 10 3/05). * * $Id: crash.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * When applications crash via a SIGSEGV or SIGBUS, a report of the * process state is printed out. * * USAGE: crash.d * * FIELDS: * Type Signal type * Program Execname of process * Agrs Argument listing of process * PID Process ID * TID Thread ID * LWPs Number of Light Weight Processes * PPID Parent Process ID * UID User ID * GID Group ID * TaskID Task ID * ProjID Project ID * PoolID Pool ID * ZoneID Zone ID * zone Zone name * CWD Current working directory * errno Error number of last syscall * * SEE ALSO: mdb, pstack, coreadm * app_crash.d - Greg Nakhimovsky & Morgan Herrington * * COPYRIGHT: Copyright (c) 2005 Brendan Gregg. * * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at Docs/cddl1.txt * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * CDDL HEADER END * * 29-May-2005 Brendan Gregg Created this. * 24-Apr-2006 " " Last update. */ #pragma D option quiet #pragma D option destructive dtrace:::BEGIN { printf("Waiting for crashing applications...\n"); } /* * Print Report Header */ proc:::signal-send /(args[2] == SIGBUS || args[2] == SIGSEGV) && pid == args[1]->pr_pid/ { stop(); self->elapsed = timestamp - curthread->t_procp->p_mstart; self->crash = 1; printf("\n-----------------------------------------------------\n"); printf("CRASH DETECTED at %Y\n", walltimestamp); printf("-----------------------------------------------------\n"); printf("Type: %s\n", args[2] == SIGBUS ? "SIGBUS" : "SIGSEGV"); printf("Program: %s\n", execname); printf("Args: %S\n", curpsinfo->pr_psargs); printf("PID: %d\n", pid); printf("TID: %d\n", tid); printf("LWPs: %d\n", curthread->t_procp->p_lwpcnt); printf("PPID: %d\n", ppid); printf("UID: %d\n", uid); printf("GID: %d\n", gid); printf("TaskID: %d\n", curpsinfo->pr_taskid); printf("ProjID: %d\n", curpsinfo->pr_projid); printf("PoolID: %d\n", curpsinfo->pr_poolid); printf("ZoneID: %d\n", curpsinfo->pr_zoneid); printf("zone: %s\n", zonename); printf("CWD: %s\n", cwd); printf("errno: %d\n", errno); printf("\nUser Stack Backtrace,"); ustack(); printf("\nKernel Stack Backtrace,"); stack(); } /* * Print Java Details */ proc:::signal-send /self->crash && execname == "java"/ { printf("\nJava Stack Backtrace,"); jstack(); } /* * Print Ancestors */ proc:::signal-send /self->crash/ { printf("\nAnsestors,\n"); self->level = 1; self->procp = curthread->t_procp; self->ptr = self->procp; } /* ancestory un-rolled loop, reverse order, 6 deep */ proc:::signal-send /self->crash && self->ptr != 0/ { printf("%*s %d %S\n", self->level += 2, "", self->ptr->p_pidp->pid_id, self->ptr->p_user.u_psargs); self->ptr = self->ptr->p_parent; } proc:::signal-send /self->crash && self->ptr != 0/ { printf("%*s %d %S\n", self->level += 2, "", self->ptr->p_pidp->pid_id, self->ptr->p_user.u_psargs); self->ptr = self->ptr->p_parent; } proc:::signal-send /self->crash && self->ptr != 0/ { printf("%*s %d %S\n", self->level += 2, "", self->ptr->p_pidp->pid_id, self->ptr->p_user.u_psargs); self->ptr = self->ptr->p_parent; } proc:::signal-send /self->crash && self->ptr != 0/ { printf("%*s %d %S\n", self->level += 2, "", self->ptr->p_pidp->pid_id, self->ptr->p_user.u_psargs); self->ptr = self->ptr->p_parent; } proc:::signal-send /self->crash && self->ptr != 0/ { printf("%*s %d %S\n", self->level += 2, "", self->ptr->p_pidp->pid_id, self->ptr->p_user.u_psargs); self->ptr = self->ptr->p_parent; } proc:::signal-send /self->crash && self->ptr != 0/ { printf("%*s %d %S\n", self->level += 2, "", self->ptr->p_pidp->pid_id, self->ptr->p_user.u_psargs); self->ptr = self->ptr->p_parent; } /* * Print Report Footer */ proc:::signal-send /self->crash/ { printf("\nTimes,\n"); printf(" User: %d ticks\n", self->procp->p_utime); printf(" Sys: %d ticks\n", self->procp->p_stime); printf(" Elapsed: %d ms\n", self->elapsed/1000000); printf("\nSizes,\n"); printf(" Heap: %d bytes\n", self->procp->p_brksize); printf(" Stack: %d bytes\n", self->procp->p_stksize); self->ptr = 0; self->procp = 0; self->crash = 0; self->level = 0; self->elapsed = 0; system("/usr/bin/prun %d", pid); }