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[src/trunk]: src/external/cddl/osnet/dist/uts/common/dtrace remove dup copies...
details: https://anonhg.NetBSD.org/src/rev/fc4a38643e56
branches: trunk
changeset: 340667:fc4a38643e56
user: christos <christos%NetBSD.org@localhost>
date: Thu Sep 24 14:23:39 2015 +0000
description:
remove dup copies of code that we've moved to dev a long while ago
diffstat:
external/cddl/osnet/dist/uts/common/dtrace/lockstat.c | 342 -----
external/cddl/osnet/dist/uts/common/dtrace/profile.c | 577 --------
external/cddl/osnet/dist/uts/common/dtrace/sdt_subr.c | 1120 -----------------
external/cddl/osnet/dist/uts/common/dtrace/systrace.c | 374 -----
4 files changed, 0 insertions(+), 2413 deletions(-)
diffs (truncated from 2429 to 300 lines):
diff -r e52703e651f9 -r fc4a38643e56 external/cddl/osnet/dist/uts/common/dtrace/lockstat.c
--- a/external/cddl/osnet/dist/uts/common/dtrace/lockstat.c Thu Sep 24 14:21:35 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,342 +0,0 @@
-/*
- * 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 2009 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident "%Z%%M% %I% %E% SMI"
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/open.h>
-#include <sys/file.h>
-#include <sys/conf.h>
-#include <sys/modctl.h>
-#include <sys/cmn_err.h>
-#include <sys/bitmap.h>
-#include <sys/debug.h>
-#include <sys/kmem.h>
-#include <sys/errno.h>
-#include <sys/sysmacros.h>
-#include <sys/lockstat.h>
-#include <sys/atomic.h>
-#include <sys/dtrace.h>
-
-#include <sys/ddi.h>
-#include <sys/sunddi.h>
-
-typedef struct lockstat_probe {
- const char *lsp_func;
- const char *lsp_name;
- int lsp_probe;
- dtrace_id_t lsp_id;
-} lockstat_probe_t;
-
-lockstat_probe_t lockstat_probes[] =
-{
- { LS_MUTEX_ENTER, LSA_ACQUIRE, LS_MUTEX_ENTER_ACQUIRE },
- { LS_MUTEX_ENTER, LSA_BLOCK, LS_MUTEX_ENTER_BLOCK },
- { LS_MUTEX_ENTER, LSA_SPIN, LS_MUTEX_ENTER_SPIN },
- { LS_MUTEX_EXIT, LSA_RELEASE, LS_MUTEX_EXIT_RELEASE },
- { LS_MUTEX_DESTROY, LSA_RELEASE, LS_MUTEX_DESTROY_RELEASE },
- { LS_MUTEX_TRYENTER, LSA_ACQUIRE, LS_MUTEX_TRYENTER_ACQUIRE },
- { LS_LOCK_SET, LSS_ACQUIRE, LS_LOCK_SET_ACQUIRE },
- { LS_LOCK_SET, LSS_SPIN, LS_LOCK_SET_SPIN },
- { LS_LOCK_SET_SPL, LSS_ACQUIRE, LS_LOCK_SET_SPL_ACQUIRE },
- { LS_LOCK_SET_SPL, LSS_SPIN, LS_LOCK_SET_SPL_SPIN },
- { LS_LOCK_TRY, LSS_ACQUIRE, LS_LOCK_TRY_ACQUIRE },
- { LS_LOCK_CLEAR, LSS_RELEASE, LS_LOCK_CLEAR_RELEASE },
- { LS_LOCK_CLEAR_SPLX, LSS_RELEASE, LS_LOCK_CLEAR_SPLX_RELEASE },
- { LS_CLOCK_UNLOCK, LSS_RELEASE, LS_CLOCK_UNLOCK_RELEASE },
- { LS_RW_ENTER, LSR_ACQUIRE, LS_RW_ENTER_ACQUIRE },
- { LS_RW_ENTER, LSR_BLOCK, LS_RW_ENTER_BLOCK },
- { LS_RW_EXIT, LSR_RELEASE, LS_RW_EXIT_RELEASE },
- { LS_RW_TRYENTER, LSR_ACQUIRE, LS_RW_TRYENTER_ACQUIRE },
- { LS_RW_TRYUPGRADE, LSR_UPGRADE, LS_RW_TRYUPGRADE_UPGRADE },
- { LS_RW_DOWNGRADE, LSR_DOWNGRADE, LS_RW_DOWNGRADE_DOWNGRADE },
- { LS_THREAD_LOCK, LST_SPIN, LS_THREAD_LOCK_SPIN },
- { LS_THREAD_LOCK_HIGH, LST_SPIN, LS_THREAD_LOCK_HIGH_SPIN },
- { NULL }
-};
-
-static dev_info_t *lockstat_devi; /* saved in xxattach() for xxinfo() */
-static kmutex_t lockstat_test; /* for testing purposes only */
-static dtrace_provider_id_t lockstat_id;
-
-/*ARGSUSED*/
-static int
-lockstat_enable(void *arg, dtrace_id_t id, void *parg)
-{
- lockstat_probe_t *probe = parg;
-
- ASSERT(!lockstat_probemap[probe->lsp_probe]);
-
- lockstat_probemap[probe->lsp_probe] = id;
- membar_producer();
-
- lockstat_hot_patch();
- membar_producer();
-
- /*
- * Immediately generate a record for the lockstat_test mutex
- * to verify that the mutex hot-patch code worked as expected.
- */
- mutex_enter(&lockstat_test);
- mutex_exit(&lockstat_test);
- return (0);
-}
-
-/*ARGSUSED*/
-static void
-lockstat_disable(void *arg, dtrace_id_t id, void *parg)
-{
- lockstat_probe_t *probe = parg;
- int i;
-
- ASSERT(lockstat_probemap[probe->lsp_probe]);
-
- lockstat_probemap[probe->lsp_probe] = 0;
- lockstat_hot_patch();
- membar_producer();
-
- /*
- * See if we have any probes left enabled.
- */
- for (i = 0; i < LS_NPROBES; i++) {
- if (lockstat_probemap[i]) {
- /*
- * This probe is still enabled. We don't need to deal
- * with waiting for all threads to be out of the
- * lockstat critical sections; just return.
- */
- return;
- }
- }
-
- /*
- * The delay() here isn't as cheesy as you might think. We don't
- * want to busy-loop in the kernel, so we have to give up the
- * CPU between calls to lockstat_active_threads(); that much is
- * obvious. But the reason it's a do..while loop rather than a
- * while loop is subtle. The memory barrier above guarantees that
- * no threads will enter the lockstat code from this point forward.
- * However, another thread could already be executing lockstat code
- * without our knowledge if the update to its t_lockstat field hasn't
- * cleared its CPU's store buffer. Delaying for one clock tick
- * guarantees that either (1) the thread will have *ample* time to
- * complete its work, or (2) the thread will be preempted, in which
- * case it will have to grab and release a dispatcher lock, which
- * will flush that CPU's store buffer. Either way we're covered.
- */
- do {
- xdelay(1);
- } while (lockstat_active_threads());
-}
-
-/*ARGSUSED*/
-static int
-lockstat_open(dev_t *devp, int flag, int otyp, cred_t *cred_p)
-{
- return (0);
-}
-
-/* ARGSUSED */
-static int
-lockstat_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
-{
- int error;
-
- switch (infocmd) {
- case DDI_INFO_DEVT2DEVINFO:
- *result = (void *) lockstat_devi;
- error = DDI_SUCCESS;
- break;
- case DDI_INFO_DEVT2INSTANCE:
- *result = (void *)0;
- error = DDI_SUCCESS;
- break;
- default:
- error = DDI_FAILURE;
- }
- return (error);
-}
-
-/*ARGSUSED*/
-static void
-lockstat_provide(void *arg, const dtrace_probedesc_t *desc)
-{
- int i = 0;
-
- for (i = 0; lockstat_probes[i].lsp_func != NULL; i++) {
- lockstat_probe_t *probe = &lockstat_probes[i];
-
- if (dtrace_probe_lookup(lockstat_id, "genunix",
- probe->lsp_func, probe->lsp_name) != 0)
- continue;
-
- ASSERT(!probe->lsp_id);
- probe->lsp_id = dtrace_probe_create(lockstat_id,
- "genunix", probe->lsp_func, probe->lsp_name,
- 1, probe);
- }
-}
-
-/*ARGSUSED*/
-static void
-lockstat_destroy(void *arg, dtrace_id_t id, void *parg)
-{
- lockstat_probe_t *probe = parg;
-
- ASSERT(!lockstat_probemap[probe->lsp_probe]);
- probe->lsp_id = 0;
-}
-
-static dtrace_pattr_t lockstat_attr = {
-{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
-{ 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_COMMON },
-{ DTRACE_STABILITY_EVOLVING, DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON },
-};
-
-static dtrace_pops_t lockstat_pops = {
- lockstat_provide,
- NULL,
- lockstat_enable,
- lockstat_disable,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- lockstat_destroy
-};
-
-static int
-lockstat_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
-{
- switch (cmd) {
- case DDI_ATTACH:
- break;
- case DDI_RESUME:
- return (DDI_SUCCESS);
- default:
- return (DDI_FAILURE);
- }
-
- if (ddi_create_minor_node(devi, "lockstat", S_IFCHR, 0,
- DDI_PSEUDO, 0) == DDI_FAILURE ||
- dtrace_register("lockstat", &lockstat_attr, DTRACE_PRIV_KERNEL,
- NULL, &lockstat_pops, NULL, &lockstat_id) != 0) {
- ddi_remove_minor_node(devi, NULL);
- return (DDI_FAILURE);
- }
-
- lockstat_probe = dtrace_probe;
- membar_producer();
-
- ddi_report_dev(devi);
- lockstat_devi = devi;
- return (DDI_SUCCESS);
-}
-
-static int
-lockstat_detach(dev_info_t *devi, ddi_detach_cmd_t cmd)
-{
- switch (cmd) {
- case DDI_DETACH:
- break;
- case DDI_SUSPEND:
- return (DDI_SUCCESS);
- default:
- return (DDI_FAILURE);
- }
-
- if (dtrace_unregister(lockstat_id) != 0)
- return (DDI_FAILURE);
-
- ddi_remove_minor_node(devi, NULL);
- return (DDI_SUCCESS);
-}
-
-/*
- * Configuration data structures
- */
-static struct cb_ops lockstat_cb_ops = {
- lockstat_open, /* open */
- nodev, /* close */
- nulldev, /* strategy */
- nulldev, /* print */
- nodev, /* dump */
- nodev, /* read */
- nodev, /* write */
- nodev, /* ioctl */
- nodev, /* devmap */
- nodev, /* mmap */
- nodev, /* segmap */
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