diff options
Diffstat (limited to 'usr/src/uts/common/tnf/trace_init.c')
| -rw-r--r-- | usr/src/uts/common/tnf/trace_init.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/usr/src/uts/common/tnf/trace_init.c b/usr/src/uts/common/tnf/trace_init.c deleted file mode 100644 index 17b98a4e23..0000000000 --- a/usr/src/uts/common/tnf/trace_init.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * 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 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 1994-2003 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * Includes - */ - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/debug.h> -#include <sys/tnf.h> -#include <sys/thread.h> -#include <sys/dtrace.h> - -#include "tnf_buf.h" -#include "tnf_types.h" -#include "tnf_trace.h" - -#ifndef NPROBE - -/* - * Globals - */ - -size_t tnf_trace_file_size = TNF_TRACE_FILE_DEFAULT; - -/* - * tnf_trace_on - */ -void -tnf_trace_on(void) -{ - TNFW_B_UNSET_STOPPED(tnfw_b_state); - tnf_tracing_active = 1; - dtrace_vtime_enable_tnf(); - /* Enable system call tracing for all processes */ - set_all_proc_sys(); -} - -/* - * tnf_trace_off - */ -void -tnf_trace_off(void) -{ - TNFW_B_SET_STOPPED(tnfw_b_state); - dtrace_vtime_disable_tnf(); - tnf_tracing_active = 0; - /* System call tracing is automatically disabled */ -} - -/* - * tnf_trace_init - * Not reentrant: only called from tnf_allocbuf(), which is - * single-threaded. - */ -void -tnf_trace_init(void) -{ - int stopped; - tnf_ops_t *ops; - - ASSERT(tnf_buf != NULL); - ASSERT(!tnf_tracing_active); - - stopped = tnfw_b_state & TNFW_B_STOPPED; - - /* - * Initialize the buffer - */ - tnfw_b_init_buffer(tnf_buf, tnf_trace_file_size); - - /* - * Mark allocator running (not stopped). Luckily, - * tnf_trace_alloc() first checks tnf_tracing_active, so no - * trace data will be written. - */ - tnfw_b_state = TNFW_B_RUNNING; - - /* - * 1195835: Write out some tags now. The stopped bit needs - * to be clear while we do this. - */ - /* LINTED pointer cast may result in improper alignment */ - if ((ops = (tnf_ops_t *)curthread->t_tnf_tpdp) != NULL) { - tnf_tag_data_t *tag; - TNFW_B_POS *pos; - - ASSERT(!LOCK_HELD(&ops->busy)); - LOCK_INIT_HELD(&ops->busy); /* XXX save a call */ - - tag = TAG_DATA(tnf_struct_type); - (void) tag->tag_desc(ops, tag); - tag = TAG_DATA(tnf_probe_type); - (void) tag->tag_desc(ops, tag); - tag = TAG_DATA(tnf_kernel_schedule); - (void) tag->tag_desc(ops, tag); - - pos = &ops->wcb.tnfw_w_tag_pos; - TNFW_B_COMMIT(pos); - pos = &ops->wcb.tnfw_w_pos; - TNFW_B_ROLLBACK(pos); - - LOCK_INIT_CLEAR(&ops->busy); /* XXX save a call */ - } - - /* Restore stopped bit */ - tnfw_b_state |= stopped; -} - -#endif /* NPROBE */ |